Oil Immersed Current Transformers Products

PRODUCT INTRODUCTION

The current transformers which the insulation material is oil. It’s vertical structure, assembled by a metal expander, high voltage porcelain bushing, pressure relief valve, oil tank and oil-letting valve.

PRODUCT DETAILS

The current transformers which the insulation material is oil. It's vertical structure, assembled by a metal expander, high voltage porcelain bushing, pressure relief valve, oil tank and oil-letting valve. The primary winding whose main insulation is made up of crepe paper and capacitor screens. The secondary winding are through the primary winding and are fixed inside the oil tank together. The secondary terminals block is casted by epoxy resin, the frame of the secondary terminals box is a seal structure, it suits for outdoor.

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Sihui Oil Immersed Transformer

Service Conditions

Ambient air temperature: maximum +40℃, minimum -45℃, average value of the ambient air temperature does not exceed 30℃ measured during a period of 24h.

Altitude: The altitude does not exceed 1000m (this is the routine requirement, if there is any different requirement, we can provide the products with 2000m, 3000m, 4000m or 5000m altitude according to the clients’ requriments).

The average value of the relative humidity does not exceed 95% at 25℃ measured during a period of one month.

The maximum wind speed does not exceed 34m/s.

Eerthquake intensity does not exceed 8 degree.

There have to be no gas that may seriously affect the insulation and conductive ability of electric equipments, steam, ash, salt, chemical deposit, pollution and corrosive or explosive material.

Technical Parameters

Rated frequency is 50Hz or 60Hz

Rated primary current: 10~4000 A

Rated secondary current: 1, 2 or 5 A

Rated output: 10~60VA

Instrument security factor (FS) for metering cores: 5 or 10

Accuracy limit factor: 10, 15, 20, 30, 40, 50 or 60

Accuracy class for metering cores: 0.2, 0.2S, 0.5, 0.5S, 1 or 0.3, 0.6, 1.2

Accuracy class for protection cores: 5P, 10P, PR, PX, TPS, TPX, TPY, TPZ or C10, C20, C50, C100, C200, C400, C800

Rated frequency: 50Hz or 60Hz

Ambient air temperature: -45 ℃/+40 ℃

Altitude: ＜1000m, if need to design exceed 1000m, please declare in the order.

Rated short-time thermal current: up to 50 kA, 3s; rated dynamic current: up to 125 kA (the actual data shall be corresponding with primary current).

Arcing distance and creepage distance of outer insulation please see table 1.

Table 1

Rated voltage (kV)	Arcing distance (mm)	Creepage Distance (mm)
Rated voltage (kV)	Arcing distance (mm)	Pollution Level Ⅱ (W1)	Pollution Level Ⅲ (W2)	Pollution Level Ⅳ (W3)
35	≥410	≥810	≥1013	≥1256
66	≥720	≥1450	≥1813	≥2248
110	≥1010	≥2520	≥3150	≥3906
132	≥1160	≥2900	≥3625	≥4495
150	≥1350	≥3400	≥4250	≥5270
220	≥2010	≥5040	≥6300	≥7812
330	≥2360	≥7260	≥9075	≥11253
380	≥3323	≥8400	≥10500	≥13020
500	≥3980	≥11000	≥13750	≥17050

Insulation requirements for the primaries please see table 2.

Table 2

Rated voltage (kV) power-frequency withstand voltage (r.m.s) (kV)	35 95	66
	35 95	160	230	275
The wet test for the current transformer of power-frequency withstand (r.m.s) (kV)	95	160	230	275
Rated switching impulse withstand voltage (peak) (kV)	—	—	—	—
Rated lightning impulse withstand voltage (peak) (kV)	200	325	550	650
chopped ligtning impulse voltage (peak) (kV)	230	373	635	750
power-frequency withstand voltage at the SF6 gas pressure 0MPa (kV)	30	54	95	109
Partial discharge level	prestressing performed voltage (r.m.s) (kV)	76	112	184
	Test voltage 1.2Um or Um (kV) PD≤10pC	49	87	126
	Test voltage 1.2Um/√3 (kV) PD≤5pC	28	50	87
Rated voltage (kV)	35	66	110	132

Mechanical requirements for the primary terminals please see table 3.

Table 3

Rated voltage (kV) Mechanical requirements (horizontal of two directions and vertical) (N)	35 Load Ⅰ	66
	35 Load Ⅰ	—	1250	2000
	Load Ⅱ	—	2500	3000
Applied to the primary terminals with duration (s)	—	60	60	60
Rated voltage (kV)	35	66	110	132
Mechanical requirements (horizontal of two directions and vertical) (N)	Load Ⅰ	—	1250	2000
	Load Ⅱ	—	2500	3000
Applied to the primary terminals with duration (s)	—	60	60	60
Rated voltage (kV)	35	66	110	132
Mechanical requirements (horizontal of two directions and vertical) (N)	Load Ⅰ	—	1250	2000
	Load Ⅱ	—	2500	3000

Dimensions of the Current Transformers

The outline and installation dimensions please see drawing 1~2, and the dimensions of the primary termanils please see table 4~5.

Drawing 1 Drawing 2

1 Oil viewing window 2 Primary terminals 3 Porcelain isolator

4 Earthing Terminal 5 Secondary terminals box 6 Nameplate

Table 4

Rated Voltage	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	Drawing No.
35	785	1463	475	790	20	1
35	584	1770	258	424	14	2
66	785	1712	475	790	20	1
66	630	1800	410	630	18	2
110	785	2212	475	790	20	1
110	654	2450	475	710	20	2
132	878	2375	450	790	20	1
132	654	2750	475	710	20	2
150	878	2675	450	790	20	1
150	654	3050	475	710	20	2
220	881	3652	600	760	24	1
220	896	375	520	880	24	2

Notes: There may be any change of the dimensions for the current transformers because of renewing, the clients must basis on the updated drawings.

Oil Immersed Filled Industrial Current Transformer CT Manufacturer factory price ISO9001 Products

PRODUCT INTRODUCTION

This current transformer is an oil-paper insulated type with a metallic expansion bellow, Connection between components uses argon-arc welding, fill in high pressure nitrogen to detect leakage after assembly is complete.

PRODUCT DETAILS

Current transformer LVB product range is based on top core design. It is an oil-paper insulated type with a metallic expansion bellow, Connection between components uses argon-arc welding, fill in high pressure nitrogen to detect leakage after assembly is complete, so oil penetration and oil leakage caused by oil-immersed products are resolved at root. Use an aluminum alloy cast case, all components including the base, connection box, stainless steel expander, and nameplate etc do not rust forever. It is outdoor, single phase, and oil-immersed to-head type, which is used for metering and relay protection of 220kv, 50 or 60Hz system. It is a reliable product with minimum maintenance and suitable for wide range of environmental conditions.

This product is light and handy with a small volume and light weight and meets the requirement of horizontal transportation.

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Sihui Oil Type Transformer

一、Service Conditions

a. Outdoor

b. Ambient air temperature: –45 ~ +40℃(average value of the ambient air temperature does not exceed 30℃ measured during a period of 24h).

c. Altitude ≤1000m(this is the routine requirement, if there is any different requirement, we can provide the products with 2000m, 3000m, 4000m or 5000m altitude according to the clients’ requirements).

d. Application: There have to be no gas that may seriously affect the insulation and conductive ability of electric equipments, steam, ash, salt, chemical deposit, pollution and corrosive or explosive material

e. The average value of the relative humidity does not exceed 95% at 25℃ measured during a period of one month.

f. Max. wind speed ≤34m/s

g. Earthquake intensity ≤ 7 degree.

二、Technical Parameters

Rated frequency: 50 or 60Hz
Rated primary current: 50 ~ 4000A
Rated secondary current: 1 or 5A
Rated output: 10~60VA
Instrument security factor: 5 or 10
Accuracy limited factor:10, 15, 20, 30, 40, 50 or 60
Accuracy class for metering cores: 0.2, 0.2S, 0.5, 0.5S, 1 or 0.3, 0.6, 1.2
Accuracy class for protective cores: 5P, 10P, PR, PX, TPS, TPX, TPY, TPZ or C10, C20, C50, C100, C200, C400, C800
Rated short-time thermal current: ≤63kA/3s
Rated dynamic: ≤160kA
Creepage distance: 31mm/kV

三、Arcing distance and creepage distance of outer insulation please see table 1.

Rated voltage(kV)	Arcing distance(mm)	Creepage Distance (mm)
35	≥410	≥1256
66	≥720	≥2248
110	≥1010	≥3906
132	≥1160	≥4495
150	≥1350	≥5270
220	≥2010	≥7812

四、Insulation requirements for the primaries please see table 2.

Rated voltage (kV)		35	66	110	132	150	220
power-frequency withstand voltage (r.m.s) (kV)		95	160	230	275	325	460
The wet test for the current transformer of power-frequency withstand (r.m.s) (kV)		95	160	230	275	325	460
Rated switching impulse withstand voltage (peak) (kV)		—	—	—	—	—	—
Rated lightning impulse withstand voltage (peak) (kV)		200	325	550	650	750	1050
chopped ligtning impulse voltage (peak) (kV)		230	373	635	750	865	1208
power-frequency withstand voltage at the SF₆ gas pressure 0MPa (kV)		30	54	95	109	128	190
Partial discharge level	prestressing performed voltage (r.m.s) (kV)	76	112	184	220	260	368
	Test voltage 1.2U_m or U_m (kV) PD≤10pC	49	87	126	145	170	252
	Test voltage 1.2U_m/√3 (kV) PD≤5pC	28	50	87	100.5	118	174

五、Mechanical requirements for the primary terminals please see table 3.

Rated voltage (kV)		35	66	110	132	150	220
Mechanical requirements (horizontal of two directions and vertical) (N)	Load Ⅰ	—	1250	2000	2000	2000	2500
	Load Ⅱ	—	2500	3000	3000	3000	4000
Applied to the primary terminals with duration (s)		—	60	60	60	60	60

六、Dimensions and the outline drawing of the Current Transformers.

outline drwaing of CT

2. Dimensions of CT

Rated Voltage	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)
35	785	1463	475	790	20
66	785	1712	475	790	20
110	785	2212	475	790	20
132	878	2375	450	790	20
150	878	2675	450	790	20
220	881	3652	600	760	24

Note: There may be any change of the dimensions for the current transformers because of renewing, the clients must basis on the updated drawings.

Oil Immersed Filled Industrial Inductive Voltage Transformer IVT VT PT Manufacturer Factory Price ISO9001 Products

PRODUCT INTRODUCTION

Oil Immersed Inductive Voltage Transformer 110kV, shall be suitable for measurement control and relay protection in the outdoor AC power system of nominal voltage 40.5~252kV, and frequency of 50 or 60Hz.

PRODUCT DETAILS

Inductive instrument transformer of JDX series shall be suitable for measurement control and relay protection in the outdoor AC power system of nominal voltage 40.5~252kV, and frequency of 50 or 60Hz, this type voltage transformers are oil immersed electromagnetic voltage transformer. The core was used cold-rolled silicon steel strip to folded single-column and three pairs of the same potential with the ground. High voltage coil main insulation chose sheet paper, small oil clearance and large structures. It was wounded as pagoda-shaped segments. High-voltage leads were insulated by a condenser bushing. We select corrugated metal expander as oil temperature variation compensator and can inspect the oil level through window. Fuel tank and the lower tank welded together, and all the other seals are made of sealed limit, effectively preventing the leakage of oil. Outline dimensions drawing and structure shown in Figure 1

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SH Brand Industrial Voltage Transformers

一、Service Conditions

a. Ambient air temperature: maximum +40℃, minimum -45℃, average value of the ambient air temperature does not exceed 30℃ measured during a period of 24h.

b. Altitude: The altitude does not exceed 1000m (this is the routine requirement, if there is any different requirement, we can provide the products with 2000m, 3000m, 4000m or 5000m altitude according to the clients’ requriments).

c. The average value of the relative humidity does not exceed 95% at 25℃ measured during a period of one month.

d. The maximum wind speed does not exceed 34m/s.

e. Eerthquake intensity does not exceed 8 degree.

f. There have to be no gas that may seriously affect the insulation and conductive ability of electric equipments, steam, ash, salt, chemical deposit, pollution and corrosive or explosive material.

二、Main Technical Parameters

Rated frequency: 50Hz or 60Hz
Rated primary voltage:35/√3, 66/√3, 110/√3, 132 /√3, 150 /√3, 220 /√3kV
Secodary voltage for metering cores:100/√3, 110 /√3, 120 /√3, 150 /√3kV
Secondary voltage for protective cores:100/√3, 110 /√3, 120 /√3, 150 /√3kV
Residual voltage winding: 100,110,120,150 V
Accuracy class for metering cores: 0.2,0.5
Accuracy class for protective cores: 3P,6P
Accuracy class for residual cores: 3P,6P
Rated output for metering: 50,100,150,200 VA
Rated output for protective cores: 50,100,150,200 VA
Rated output for residual winding: 100,200,300 VA
Thermal limited burden: 1000VA
Ambient air temperature: -45 ℃~+40 ℃
Altitude: ＜1000m, if need to design exceed 1000m, please declare in the order.

三、Arcing distance and creepage distance of outer insulation please see table 1.

Rated voltage (kV)	Arcing distance (mm)	Creepage Distance (mm)
Rated voltage (kV)	Arcing distance (mm)	Pollution Level Ⅱ (W1)	Pollution Level Ⅲ (W2)	Pollution Level Ⅳ (W3)
35	≥410	≥810	≥1013	≥1256
66	≥720	≥1450	≥1813	≥2248
110	≥1010	≥2520	≥3150	≥3906
132	≥1160	≥2900	≥3625	≥4495
150	≥1350	≥3400	≥4250	≥5270
220	≥2010	≥5040	≥6300	≥7812

四、Insulation requirements for the primaries please see table 2.

Rated voltage (kV)		35	66	110	132	150	220
Power-frequency withstand voltage (r.m.s) (kV)		95	160	230	275	325	460
The wet test for the current transformer of power-frequency withstand (r.m.s) (kV)		95	160	230	275	325	460
Rated switching impulse withstand voltage (peak) (kV)		—	—	—	—	—	—
Rated lightning impulse withstand voltage (peak) (kV)		200	325	550	650	750	1050
Chopped ligtning impulse voltage (peak) (kV)		230	373	635	750	865	1208
Partial discharge level	Prestressing performed voltage (r.m.s) (kV)	76	112	184	220	260	368
	Test voltage 1.2U_m or U_m (kV) PD≤10pC	49	87	126	145	170	252
	Test voltage 1.2U_m/√3 (kV) PD≤5pC	28	50	87	100.5	118	174

五、Mechanical requirements for the primary terminals please see table 3.

Rated voltage (kV)		35	66	110	132	150	220
Mechanical requirements (horizontal of two directions and vertical) (N)	Load	—	500	1000	1000	1000	1250
Applied to the primary terminals with duration (s)		—	60	60	60	60	60

六、Dimensions of Inductive Voltage Transformer

1.The outline and installation dimensions please see drawing 1.

2. The dimensions of the primary termanils please see table 4.

Rated Voltage (kV)	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)
35	1230	550	650	400	16
66	1850	700	670	500	20
110	2250	850	810	550	20
132	2450	900	860	600	20
150	2690	960	900	700	24
220	3520	1050	950	850	24

Note: There may be any change of the dimensions for the inductive voltage transformer because of renewing, the clients must basis on the updated drawings.

Oil Immersed Industrial Station Service Voltage Transformer SSVT Manufacturer Factory ISO9001 Products

PRODUCT INTRODUCTION

Oil Immersed Station Service Voltage Transformer shall be suitable for measurement control and relay protection in the outdoor AC power system of nominal voltage 40.5~252kV, and frequency of 50 or 60Hz.

PRODUCT DETAILS

The SSVT (Station service voltage transformer) shall be suitable for measurement control and relay protection in outdoor AC power system of nominal voltage 40.5~252kV, and frequency of 50 or 60Hz. SSVT- type voltage transformers are oil immersed electromagnetic station service voltage transformer. The core was used cold-rolled silicon steel strip to folded single-column and three pairs of the same potential with the ground. High voltage coil main insulation chose sheet paper, small oil clearance and large structures. It was wounded as pagoda-shaped segments. High-voltage leads were insulated by a condenser bushing. We select corrugated metal expander as oil temperature variation compensator and can inspect the oil level through window. Fuel tank and the lower tank welded together, and all the other seals are made of sealed limit, effectively preventing the leakage of oil.

Outline dimensions drawing and structure shown in Figure 1.

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Sihui Station Service Voltage Transformers

一、Service Conditions

a. Ambient air temperature: maximum +40℃, minimum -45℃, average value of the ambient air temperature does not exceed 30℃ measured during a period of 24h.

b. Altitude: The altitude does not exceed 1000m (this is the routine requirement, if there is any different requirement, we can provide the products with 2000m, 3000m, 4000m or 5000m altitude according to the clients’ requriments).

c. The average value of the relative humidity does not exceed 95% at 25℃ measured during a period of one month.

d. The maximum wind speed does not exceed 34m/s.

e. Eerthquake intensity does not exceed 8 degree.

f. There have to be no gas that may seriously affect the insulation and conductive ability of electric equipments, steam, ash, salt, chemical deposit, pollution and corrosive or explosive material.

二、Main Technical Parameters

Rated frequency: 50Hz or 60Hz
Rated primary voltage: 35/√3,66/√3,110/√3,132/√3,150/√3,220/√3 kV
Rated secondary voltage: 100/√3,110/√3,120/√3,200/√3,400/√3 V
Rated output: 10,25,50,75,100,125 kVA
Accuracy class for core: 0.2, 0.5, 3P
Ambient air temperature: -45 ℃/+40 ℃
Altitude: ＜1000m, if need to design exceed 1000m, please declare in the order.

Note: System earthing conditions: Non-effectively earthed neutral system and effectively earthed neutral system.

三、Arcing distance and creepage distance of outer insulation please see table 1.

Rated voltage (kV)	Arcing distance (mm)	Creepage Distance (mm)
Rated voltage (kV)	Arcing distance (mm)	Pollution Level Ⅱ (W1)	Pollution Level Ⅲ (W2)	Pollution Level Ⅳ (W3)
35	≥410	≥810	≥1013	≥1256
66	≥720	≥1450	≥1813	≥2248
110	≥1010	≥2520	≥3150	≥3906
132	≥1160	≥2900	≥3625	≥4495
150	≥1350	≥3400	≥4250	≥5270
220	≥2010	≥5040	≥6300	≥7812

四、Insulation requirements for the primaries please see table 2.

Rated voltage (kV)		35	66	110	132	150	220
power-frequency withstand voltage (r.m.s) (kV)		95	160	230	275	325	460
The wet test for the current transformer of power-frequency withstand (r.m.s) (kV)		95	160	230	275	325	460
Rated switching impulse withstand voltage (peak) (kV)		—	—	—	—	—	—
Rated lightning impulse withstand voltage (peak) (kV)		200	325	550	650	750	1050
chopped ligtning impulse voltage (peak) (kV)		230	373	635	750	865	1208
Partial discharge level	prestressing performed voltage (r.m.s) (kV)	76	112	184	220	260	368
	Test voltage 1.2U_m or U_m (kV) PD≤10pC	49	87	126	145	170	252
	Test voltage 1.2U_m/√3 (kV) PD≤5pC	28	50	87	100.5	118	174

五、Mechanical requirements for the primary terminals please see table 3.

Rated voltage (kV)		35	66	110	132	150	220
Mechanical requirements (horizontal of two directions and vertical) (N)	Load	—	500	1000	1000	1000	1250
Applied to the primary terminals with duration (s)		—	60	60	60	60	60

六、Dimensions Of The Station Service Voltage Transformer

The outline and installation dimensions please see drawing 1.
The dimensions of the primary termanils please see table 4.

Rated Voltage (kV)	Rated output (kVA)	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)
35	25	1490	700	730	600	20
	50	1650	725	860	630	20
	75	1680	755	890	660	20
	100	1680	810	890	700	20
	125	1700	840	910	740	20
66	25	1890	730	800	650	20
	50	2020	760	930	680	20
	75	2050	790	960	710	20
	100	2070	840	980	760	20
	125	2110	850	1020	850	20
110	25	2260	790	900	710	20
	50	2360	810	980	730	20
	75	2390	840	1010	770	20
	100	2410	890	1030	810	20
	125	2460	900	1070	900	20
132	25	2430	820	930	740	20
	50	2540	840	1010	770	20
	75	2570	870	1040	800	20
	100	2590	920	1070	840	20
	125	2640	930	1100	930	20
150	25	2670	850	980	760	24
	50	2780	870	1060	790	24
	75	2810	900	1090	820	24
	100	2830	950	1120	860	24
	125	2880	960	1150	950	24
220	25	3610	940	1100	880	24
	50	3720	960	1180	910	24
	75	3780	990	1210	940	24
	100	3980	1340	1480	1000	24
	125	4050	1050	1270	1070	24

Note:

There may be any change of the dimensions for the station service voltage transformer because of renewing, the clients must basis on the updated drawings.

Oil Immersed Industrial Capacitor voltage transformer VT CVT with carrier accessories Manufacturer Factory Price ISO9001. Products

PRODUCT INTRODUCTION

Oil Immersed Capacitor voltage transformer with carrier accessories, also known as coupling capacitor voltage transformer, is abbreviated to CVT.

PRODUCT DETAILS

Capacitor voltage transformer with carrier accessories, also known as coupling capacitor voltage transformer, is abbreviated to CVT. The instrument transformer with carrier accessories shall be suitable for measurement control and relay protection in the outdoor AC power system of nominal voltage 161 kV, BIL750kV, 50Hz and also used for the power line carrier coupling with carrier frequency 50kHz-500 kHz PLC system.

The capacitor voltage divider is mainly composed of porcelain sleeve with flange, bottom sealing plate, capacitor core, upper sealing plate and bellows expander with PXE oil. The electromagnetic unit is mainly composed of cast aluminum case, intermediate transformer, series reactor, anti-resonance device and overvoltage protector, inner part is filled with transformer oil. All parts of the equipment are sealed up limitedly, oil leakage was effectively prevented. The product adopts small design, light weight and novel structure. The product has good insulation performance, can restrain the ferromagnetic resonance phenomenon and run stably. Other devices such as drain rings, spark gap and carrier grounding switches are provided only when the CVT is used as a coupling capacitor for line carrier.

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Sihui Capacitive Voltage Transformers

一、Service Conditions

a. Outdoor

b. Ambient air temperature: -45~+40℃(average value of the ambient air temperature does not exceed 30℃ measured during a period of 24h).

c. Altitude ≤1000m(this is the routine requirement, if there is any different requirement, we can provide the products with 2000m, 3000m, 4000m or 5000m altitude according to the clients’ requirements).

d. Application: There have to be no gas that may seriously affect the insulation and conductive ability of electric equipments, steam, ash, salt, chemical deposit, pollution and corrosive or explosive material

e. The average value of the relative humidity does not exceed 95% at 25℃ measured during a period of one month.

f. Max. wind speed ≤34m/s

g. Earthquake intensity ≤7 degree.

二、Main technical Parameters

Arcing distance and creepage distance of outer insulation please see table 1.

Rated voltage(kV)	Arcing distance(mm)	Creepage Distance (mm)
35	≥410	≥1256
66	≥705	≥2248
110	≥1005	≥3906
132	≥1160	≥4495
150	≥1350	≥5270
220	≥2010	≥7812
330	≥2700	≥11253
500	≥4665	≥17050

2. Insulation requirements for the primaries please see table 2.

Rated voltage (kV)		35	66	110	132	150	220	330	500
Highest Voltage for Equipment (r.m.s.) (kV)		40.5	72.5	123	145	170	245	363	550
power-frequency withstand voltage (r.m.s) (kV)		95	160	230	275	325	460	510	740
The wet test for the current transformer of power-frequency withstand (r.m.s) (kV)		95	160	230	275	325	460	510	740
Rated switching impulse withstand voltage (peak) (kV)		—	—	—	—	—	—	950	1300
Rated lightning impulse withstand voltage (peak) (kV)		200	325	550	650	750	1050	1175	1675
chopped ligtning impulse voltage (peak) (kV)		230	373	635	750	865	1208	1350	1925
Partial discharge level	prestressing performed voltage (r.m.s) (kV)	76	112	184	220	260	368	408	592
	Test voltage 1.2Um or Um (kV) PD≤10pC	49	87	126	145	170	252	363	550
	Test voltage 1.2Um/√3 (kV) PD≤5pC	28	50	87	100.5	118	174	252	381

Note: Altitude≤1000m, if need to design exceed 1000m, please declare in the order.

3. Table 3

Voltage range (kV)	35	66	110	132	150	220	330	500
Rated capacitance（pF）	10000 /20000	10000 /20000	10000 /20000	5000 /10000	5000 /10000	5000 /10000	5000 /7500	2800 /5000
Rated frequency（Hz）	50/60
Rated secondary voltage（V）	100/√3、110/√3、115/√3 or 120/√3 V etc.
Rate output（VA）	10、15、25、30、50、75、100 VA or it’s multiples
Accuracy class	0.2、0.5、1.0、3.0 or 0.3、0.6、1.2 3P、6P or 0.3、0.6、1.2 Cosφ=0.8
Rated voltage facor	1.5U_n，30s or 1.9U_n，8h
System earthed	Neutral point solidly earthed system or Neutral point solidly non-earthed system.
Standared	GB/T 20840.5、IEC 61869-5 or IEEE C57.13

三、Dimensions of the Voltage Transformers

Voltage range(kV)	No. of capacitor	Grading ring or not	H mm	W1×W2 mm×mm	D mm
35	1	×	1535~1770	470×324	22
66	1	×	1535~1770
110	1	×	1835~2070
132	1	×	2035~2270
150	1	×	2245~2470
220	2	×	3095~3425
330	2	√	3915~4225
500	3	√	5580~6405

Notes:

1)There may be any change of the dimensions for the current transformers because of renewing, the clients must basis on the updated drawings.

2)If the product installation dimensions do not meet the requirements, we can provide transitional mounting bracket to meet the installation requirements.

Oil Immersed Industrial Combined Transformer CT VT PT Together Manufacturer Factory price ISO9001 Products

PRODUCT INTRODUCTION

JLD-72.5 type voltage transformers are oil immersed combined current voltage transformer.

PRODUCT DETAILS

JLD-72.5 type voltage transformers are oil immersed combined current voltage transformer. The part of VT is imitation shape tank structure. The core was used cold-rolled silicon steel strip to folded. The high voltage coil adopts sectional winding method. The part of CT is inverted structure. The primary conductor passes through the center of the secondary winding and has high measurement accuracy. The secondary windings are protected within the aluminum shield. The rods part of the two body are insulated with capacitive screen structure. They are inside the porcelain bushing and reduce the amount of oil used in the transformer. We select corrugated metal expander as oil temperature variation compensator and can inspect the oil level through window. Outline dimensions drawing and structure shown in Figure 1.

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Sihui Electrical Current Transformer

一、Service condition

a. outdoor

b. Surrounding Temperature Max. temperature: 40℃, min. temperature :-45℃.

c. Altitude will not exceed 1000m.

d. Relative Humidity Max. 95%/ Min. 35%

e. 24h average ambient temperature shall not exceed 35℃.

f. Solar radiation level reaching 1000W/m²(sunshine at noon) shall be considered.

g. Pollution Level of the area can be Ⅳ. The ambient air is polluted by dust, smoke, corrosive gas, corrosive steam and salt.

h. Wind pressure shall not exceed 0.7kPa (equal to wind speed 34m/s).

二、Main Technical Parameters

Main Technical Parameters
Type		JLD-72.5		Rated frequency		60Hz
Highest voltage		72.5kV		Insulation level		140/350kV
CT I_th.1s		31.5kA		CT I_dyn.		80kA
Rated voltage factor		1.2 con./1.5 30s		Limited burden		500VA
Instalation		outdoor		Creepage distance		2248mm
CT.
secondary terminal			current rated		accuracy class		burden
1S1-1S5	2S1-2S5		1200/5A		5P20		50VA
1S2-1S5	2S2-2S5		1000/5A
1S3-1S5	2S3-2S5		900/5A
1S1-1S4	2S1-2S4		800/5A
1S2-1S4	2S2-2S4		600/5A
1S3-1S4	2S3-2S4		500/5A
1S4-1S5	2S4-2S5		400/5A
1S1-1S3	2S1-2S3		300/5A
3S1-3S3			200/5A		0.2		50VA
3S1-3S2			100/5A
VT.
secondary terminal	primary voltage		secondary voltage		accuracy class		burden
X1-X2	42000V		120V		0.2		75VA
Y1-Y2	42000V		120V		3P		75VA

三、Outline Dimensions and Structure Drawing

Reactors manufactuer factory ISO9001 competitive price Products

PRODUCT INTRODUCTION

CKSC Series Reactors

PRODUCT DETAILS

CKSC series reactor is suitable for a power system of 6~10kV. It is connected seriesly with high voltage parallel capacitor group to depress a wave deformation in the system.

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High Voltage Reactor Main Technical Parameters

SF6 Gas Industrial Current Transformers CT for GIS PASS H.GIS Manufacturer Factory ISO9001 Products

PRODUCT INTRODUCTION

The current transformers match 35~1000kV high voltage switchgears are including the current transformers for outdoor of busbar going through with the stainless steel or aluminium cases, secondary windings with the insulating material wound, casted by epoxy resin with the flanges, installed with the enclosures and so on. The shapes, dimensions, technical parameters and service environments can be designed according to the requirements of the clients.

PRODUCT DETAILS

The current transformers match 35~1000kV high voltage switchgears are including the current transformers for outdoor of busbar going through with the stainless steel or aluminium cases, secondary windings with the insulating material wound, casted by epoxy resin with the flanges, installed with the enclosures and so on. The shapes, dimensions, technical parameters and service environments can be designed according to the requirements of the clients.

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Sihui Sf6 Gas Insulated Transformer

一、Profile of products

The current transformers match 35~1000kV high voltage switchgears are including the current transformers for outdoor of busbar going through with the stainless steel or aluminium cases, secondary windings with the insulating material wound, casted by epoxy resin with the flanges, installed with the enclosures and so on. The shapes, dimensions, technical parameters and service environments can be designed according to the requirements of the clients.

Surface: There are different kinds of the current transformers for GIS according to the requirements of the clients, the the surface of the current transformers which used in SF6 gas are wound by insulating tap, casted by epoxy resin or casted with the flanges by epoxy resin; the the surface of the current transformers which used in air are casted by indoor or outdoor epoxy resin, printing after casted by epoxy resin, or closed by the metal enclosures.

The current transformers which used in SF6 gas are manufactured in the constant temperature, humidity and clean room, then dry and vacuum, the moisture contained is very low, they can be used inside the pressure vessel of GIS directly without dry by the clients; they are very clear and can match the cleaning requirement of the GIS.

There is good aging resistivity for the current transformers which casted by indoor or outdoor epoxy resin or printing after casted by epoxy resin used in the air.

There is good agglutinate strength of metal and secondary windings which joined by epoxy resin for the current transformers which closed by the metal enclosures, the protection degree can reach IP66, and there is the function of preventing condensation for the secondary termanils box.

Protection of products: The current transformers which used in SF6 gas should be packed by vacuum to prevent moisture, and be cushioned to prevent damnify during transportation.

The current transformers which used in the air should be packed by the plasic film to prevent moisture, and be cushioned to prevent damnify during transportation.

二、Technical parameters

The other technical parameters please see table 1.

Rated Frequency

(Hz)

Rated Primary Current

(A)

Rated Secondary Current

(A)

Accuracy Classes Combination

Instrument Security Factor

Rated Output

cosΦ= 0.8

(VA)

Rated Voltage

(kV)

50

60

50~4000

5

1

0.2S

0.2

0.5S

0.5

5P5~5P70

10P5~10P70

PX

PR

TPS

TPX

TPY

TPZ

≤5

≤10

≤15

≤20

≤25

5~60

0.66

Note: These are the routine parameters in the above table, if there is any different parameters required, we can design according to the technical parameters of the clients.

三、Service conditions

Ambient air temperature: -60 ~ 80℃.
Altitude: ≤3000 m.
Service environments: it can be used in the air, vacuum, SF6, or oil.
The average relative humidity in a month: ≤90 %.
There have to be no gas that may seriously affect the insulation and conductive ability of electric equipment, steam, ash, salt, chemical deposit, pollution and corrosive or explosive material.

Drawing 1 CTs for GIS (casted with the flanges) outline and installation dimensions

Table 1 Dimensions of drawing 1

Symbols of drawing 1	Dimension of each product type (mm)
	66kV		110~150kV			220kV
B	Φ115		Φ140			Φ220
C	Φ285 4		Φ316.4 4			Φ550 4
D	Φ255		Φ273			Φ478
E	Φ552		Φ593.5			Φ1060
H	280	380	144	344	445	325	460	585

Note: These are the routine dimensions in the above table, if there is any different dimensions required, we can design according to the the clients.

Drawing 2 CTs for GIS (casted by epoxy resin with flanges) outline and installation dimensions

Table 2 Dimensions of drawing 2

Symbols of drawing 2	Dimension of each product type (mm)
	66kV		110kV		220kV		330kV
B	Φ115		Φ136		Φ220		Φ255
D	Φ242		Φ260		Φ478		Φ532
E	202		215		380		410
F	210		230		305		325
H1	402	565	465	953	665	1025	725	1085
H2	510	673	565	1053	825	1185	885	1245

Note: These are the routine dimensions in the above table, if there is any different dimensions required, we can design according to the the clients.

Drawing 3 CTs for GIS (closed by the metal enclosures) outline and installation dimensions

Table 3 Dimensions of drawing 3

Symbols of drawing 3	Dimension of each product type (mm)
	500kV			750kV			1000kV
B	Φ415			Φ670			Φ870
C	Φ680			Φ840			Φ1080
D	Φ770			Φ1160			Φ1390
E	519			705			830
F	940			1290			1530
H	520	780	1040	650	900	1150	755	1005	1255

Note: These are the routine dimensions in the above table, if there is any different dimensions required, we can design according to the the clients.

SF6 Gas Insulation Combined Transformer CT VT PT Free – oil together Manufacturer Factory ISO9001 Products

PRODUCT INTRODUCTION

The combined transformers combinate the characters of inductive voltage transformer and inductive current transformer

PRODUCT DETAILS

The combined transformers combinate the characters of inductive voltage transformer and inductive current transformer, and it also has the function of current transformer and voltage transformer. The insulation material is SF6 gas. The bushing of the instrument transformer is made by silicon rubber or porcelain

The combined instrument transformer shall be suitable for measurement control and relay protection in the outdoor AC power system of nominal voltage 72.5~550kV, and frequency of 50 or 60Hz. Outline and the Installation Dimensions shown in Figure 1.

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一、Service Conditions

a. Ambient air temperature: maximum 40℃, minimum -40℃, average value of the ambient air temperature does not exceed 30℃ measured during a period of 24h.

b. Altitude: The altitude does not exceed 1000m (this is the routine requirement, if there is any different requirement, we can provide the products with 2000m, 3000m, 4000m or 5000m altitude according to the clients’ requirements)

c. The average value of the relative humidity does not exceed 95% at 25℃ measured during a period of one month

d. The maximum wind speed does not exceed 34m/s

e. Earthquake intensity does not exceed 8 degree

f. There have to be no gas that may seriously affect the insulation and conductive ability of electric equipments, steam, ash, salt, chemical deposit, pollution and corrosive or explosive material.

二、Current Transformer And Voltage Transformer Main Technical Parameters

Table 1

Rate voltage( kV)	72.5	126	145	170	252	363	420	550
power-frequency withstand voltage (r.m.s) (kV)	140	230	275	325	460	510	630	680
Rated lightning impulse withstand voltage (peak) (kV)	325	550	650	750	1050	1175	1425	1550
Rated switching impulse withstand voltage (peak) (kV)	–	–	–	–	–	950	1050	1175
Rated frequency( Hz)	50/60
Creepage distance mm/kV	25~31 or more
Insulation level	E
Ambient air temperature	-30/+50℃ （special design is available of -60℃）
Current transformer part
Rated current( A)	100A ~ 4000A
Rated secondary current (A)	1A, 5A or others
Accuracy class	0.2S、0.5S、5P、10P、PX、PR、TPX、TPY、TPZ or others
Voltage transformer part
Rated primary voltage (kV)	66/v√3、110/√3、132/√3、150/√3、220√3、330/√3、380√3 or 500/√3
Rated secondary voltage	100/√3、100 or others
Rated Voltage factor	1.5/30s，1.9/8h or others
Accuracy class	0.2、0.5、3P、6P or others

Standard: GB 20840.1、GB 20840.2、GB 20840.3 IEC 61869-1、IEC 61869-2、IEC 61869-3、ANSI C57.13

Table 2 Unit:mm

Rate voltage (kV)	H1	H2	A	B	C	D
72.5	2450	600	780	540	400	20
126	2862	960	877	600	450	24
145	3112	1150	950	620	450	24
170	3412	1255	950	620	450	24
252	4025	2105	1105	800	560	24
363	4434	2950	1200	860	560	24
420	5324	3350	1200	860	600	24
550	6210	4380	1450	980	900	28

三、Outline and the Installation Dimensions

SF6 Gas Insulation Industrial distribution Inductive Voltage Transformer VT IVT PT Free-oil Manufactuer Factory price ISO9001 Products

PRODUCT INTRODUCTION

The inductive voltage transformers which the insulation material is SF6 gas. The bushing of the voltage transformer is made by silicon rubber or porcelain.

PRODUCT DETAILS

The inductive voltage transformers which the insulation material is SF6 gas. The bushing of the voltage transformer is made by silicon rubber or porcelain. There are some aluminium electrodes inside the voltage transformer, to improve the electric field distribution inside the voltage transformer. There is a pressure relief device at the top of the voltage transformer, when the pressure is more than 0.8MPa (1.0 MPa only for 500 kV) if the voltage transformer is discharge inside, the relief device will be broken to release the pressure and send an alarm information. There is a SF6 density monitor fix at the base, it can indicate the SF6 pressure which inside the voltage transformer (its indicated value is the SF6 pressure at 20℃), and it will provide an information when the SF6 pressure is drop down to the minimum service pressure of the current transformer, to remind the user replenish the SF6 gas to the rated pressure. The secondary terminals block is casted by epoxy resin, the frame of the secondary terminals box is a seal structure, it suits for outdoor.

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Guangdong Sihui Inductive Voltage Transformer

一、Service Conditions :

Ambient air temperature: maximum 40℃, minimum -40℃, average value of the ambient air temperature does not exceed 30℃ measured during a period of 24h.
Altitude: The altitude does not exceed 1000m (this is the routine requirement, if there is any different requirement, we can provide the products with 2000m, 3000m, 4000m or 5000m altitude according to the clients’ requriments).
The average value of the relative humidity does not exceed 95% at 25℃ measured during a period of one month.
The maximum wind speed does not exceed 34m/s.
Eerthquake intensity does not exceed 8 degree.
There have to be no gas that may seriously affect the insulation and conductive ability of electric equipments, steam, ash, salt, chemical deposit, pollution and corrosive or explosive material.

二、Technical Parameters:

Rated frequency is 50Hz or 60Hz
Rated secondary voltage:
Measuring secondary winding is 0.1/√3kV, 0.11/√3kV, 0.12/√3kV or 0.15/√3kV
Protective secondary winding is 0.1/√3kV, 0.11/√3kV, 0.12/√3kV or 0.15/√3kV
Residual voltage winding is 0.1kV, 0.11kV, 0.12kV, 0.15kV
Rated operating pressure of gas SF6 is 0.40MPa (0.50 MPa only for 500 kV); Minimun operating pressure of the gas SF6 is 0.35MPa (0.45 MPa only for 500 kV).

三、Rated output and relative accuracy class (cosφ=0.8 lag) please see table 1

Table 1

Winding	Measuring Winding	Protective Winding	Residual Voltage Winding	Winding	Measuring Winding	Protective Winding
Terminals Marking Accuracy Class	1a-1n	2a-2n	3a-3n	Terminals Marking	1a-1n	2a-2n
Terminals Marking Accuracy Class	0.2	0.5	0.5	Accuracy Class	0.2	0.5
Rated Output (VA)	100	–	–	Rated Output (VA)	100	–
Rated Output (VA)	–	150	–		–	150
Winding	75	–	100		75	–
Winding	Measuring Winding	Protective Winding	Residual Voltage Winding	Winding	Measuring Winding	Protective Winding
Terminals Marking Accuracy Class	1a-1n	2a-2n	3a-3n	Terminals Marking	1a-1n	2a-2n
Terminals Marking Accuracy Class	0.2	0.5	0.5	Accuracy Class	0.2	0.5
Rated Output (VA)	100	–	–	Rated Output (VA)	100	–
Rated Output (VA)	–	150	–		–	150
Winding	75	–	100		75	–
Winding	Measuring Winding	Protective Winding	Residual Voltage Winding	Winding	Measuring Winding	Protective Winding

Note: Each thermal limit burden for protective winding is 2000VA.

四、Arcing distance and creepage distance of outer insulation please see table 2.

Rated voltage(kV)	Arcing distance(mm)	Creepage Distance (mm)
Rated voltage(kV)	Arcing distance(mm)	Pollution Level Ⅱ (W1)	Pollution Level Ⅲ (W2)	Pollution Level Ⅳ(W3)
35kV	≥410	≥810	≥1013	≥1256
66kV	≥720	≥1450	≥1813	≥2248
110kV	≥1010	≥2520	≥3150	≥3906
132kV	≥1160	≥2900	≥3625	≥4495
150kV	≥1350	≥3400	≥4250	≥5270
220kV	≥2010	≥5040	≥6300	≥7812
330kV	≥2360	≥7260	≥9075	≥11253
380kV	≥3323	≥8400	≥10500	≥13020
500kV	≥3980	≥11000	≥13750	≥17050

五、Insulation requirements for the primaries please see table 3.

Rated voltage (kV)		35	66	110	132	150	220	330	380	500
power-frequency withstand voltage (r.m.s) (kV)		95	160	230	275	325	460	510	630	740
The wet test for the current transformer of power-frequency withstand (r.m.s) (kV)		95	160	230	275	325	460	510	630	740
Rated switching impulse withstand voltage (peak) (kV)		/	/	/	/	/	/	950	1050	1175
Rated lightning impulse withstand voltage (peak) (kV)		200	325	550	650	750	1050	1175	1425	1550
chopped ligtning impulse voltage (peak) (kV)		230	343	635	750	865	1208	1351	1640	1930
power-frequency withstand voltage at the SF6 gas pressure 0MPa (kV)		30	54	95	109	128	190	272	315	413
Partial discharge level	prestressing performed voltage (r.m.s) (kV)	76	112	184	220	260	368	408	504	592
	Test voltage 1.2Um or Um (kV) PD≤10pC	49	87	126	145	170	252	363	420	550
	Test voltage 1.2Um/√3 (kV) PD≤5pC	28	50	87	100.5	118	174	252	291	381

六、Mechanical requirements for the primary terminals please see table 4.

Rated voltage (kV)	35	66	110	132	150	220	330	380	500
Mechanical requirements (horizontal of two directions and vertical) (N)	—	500	1000	1000	1000	1250	1250	1500	1500
Applied to the primary terminals with duration (s)	—	60	60	60	60	60	60	60	60

七、Dimensions of the voltage transformers

The outline and installation dimensions please see drawing 1, and the dimensions of the primary termanils please see table 5.

Rated voltage(kV)	H(mm)	W1(mm)	W2(mm)	D(MM)
35	1050	335	335	16
66	1500	400	400	20
110	1905	450	450	20
132	2150	450	450	20
150	2350	450	450	20
220	3470	600	600	24
330	4150	600	600	24
380	4720	680	680	32
500	5920	750	750	32

Drawing 1 JDQXF-□W outline and installation dimensions

SF6 Gas Insulation Industrial Voltage Transformer VT PT Match High Voltage Switchgears, GIS H.GIS PASS Products

PRODUCT INTRODUCTION

Voltage Transformers Match High Voltage Switchgears

PRODUCT DETAILS

The voltage transformers are match 35~1000kV GIS or PASS high voltage switchgears. Their dimensions,

technical parameters and service environments can be designed according to the requirements of the clients.

The enclosures of the voltage transformers are made by metal which is steel or aluminium, there are two kinds

of the technics for the enclosures: casted or welded.

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Sihu High Voltage Current Transformer

一、Service conditions

Ambient air temperature: -60 ~ 50℃.
Altitude: ≤3000 m.
Atmospheric conditions: Atmospheres which are not heavily polluted by dust, smoke, aggressive gases, vapors or salt spray and explosive medium.
Installation site: Indoor, outdoor or the special service conditions products can be provided according to theclients’ requirements.
Installation method: there are several kinds of the installation methods, such as standing, upending or thespecial installation method products can be provided according to the clients’ requirements.
Earthing system: Neutral point effective ground system.

Note: If there is any different from the service conditions of the above, we can design according to the requirements of the clients.

二、Main Technical Parameters

Rated primary voltage: 35kV, 66kV, 110kV, 132kV, 150kV, 220kV, 330kV, 380kV, 500kV, 750kV and 1000kV and so on.
Rated secondary voltage: 0.1 / 3 kV, 0.11 / 3 kV or 0.115/ 3 kV.
Rated voltage of residual voltage winding: 0.1kV, 0.11kV or 0.115kV.
Rated frequency: 50 Hz or 60Hz.

三、Voltage ratios, maximum rated outputs and corresponding accuracy classes please see below table.

Voltage Transformers and Arresters Trucks Manufacturer Factory ISO9001 Competitive price Products

PRODUCT INTRODUCTION

Being a compact structure, with the voltage transformers and arresters in a truck, the trucks are suitable for the switchgears with the widths 650mm or 800mm, and the height 537mm of the trucks can be installed in the under layer of the switchgears.

PRODUCT DETAILS

Being a compact structure, with the voltage transformers and arresters in a truck, the trucks are suitable for the switchgears with the widths 650mm or 800mm, and the height 537mm of the trucks can be installed in the under layer of the switchgears. The trucks have the electromagnetic locks which can prevent disoperation, and with the earthed copper bars in the chassis of trucks. The trucks can equipped the assistant switches S8 and S9, which can provide the structures with 3-open 2-close, 4-open 1-close or 5-open and so on.We can design the trucks according to the customers' special requirements as well.

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Voltage Transformer Main Technical Parameters

Table 1 Main Data of VTs for YBCⅢ Trucks

Type	Rated Primary Voltage (kV)	Rated Secondary Voltage (kV)	Rated Voltage of Residual Winding (kV)	Accuracy Class and Burden of Secondary (VA)			Limiting Output (VA)
Type	Rated Primary Voltage (kV)	Rated Secondary Voltage (kV)	Rated Voltage of Residual Winding (kV)	Cl. 0.2	Cl. 0.5	Cl. 1	Limiting Output (VA)
JDZX30(G)-10RC	10/√3	0.1/√3	0.1/3	15	30	60	350
JDZX18(G)-10RC	10/√3	0.1√3	0.1/3	20	50	100	500

Note: The accuracy classes and burdens of residual windings are 6P, 50VA or 100VA.

Table 2 Main Data of VTs for YBCⅡ Trucks

Type	Rated Primary Voltage (kV)	Rated Secondary Voltage (kV)	Accuracy Class and Burden of Secondary (VA)			Limiting Output (VA)
Type	Rated Primary Voltage (kV)	Rated Secondary Voltage (kV)	Cl. 0.2	Cl. 0.5	Cl. 1	Limiting Output (VA)
JDZ19(G)-10RJC and JDZ19(G)-10RVJC	10	0.1	15	30	60	350
JDZ21(G)-10R(GB) and JDZ21(G)-10RV(GB)	10	0.1	50	100	200	500

Table 3 Main Data of Fuses

Type	Rated Voltage (kV)	Rated Current (A)	Breaking Ability (kA)

XRNP1-3.6	3.6	0.3,0.5,1,2,3	50
XRNP1-7.2	7.2
XRNP1-12	12

Table 4 Main Data of Arresters

Type

System Rated Voltage

(kV)

Rated Voltage

(kV)

Continuous Operating Voltage

(kV)

Reference Voltage at DC 1mA

(kV)

Max Residual Voltage at Nominal Current (8/20μs 5kA)

(kV)

Max Residual Voltage at Switching Impulse

(kV)

Current Impulse

2ms Rectangular Wave (18 times)

(A)

4/10μs Wave

(2 times)

(kA)

YH5WS-17/50

10

17

13.6

≥25

50

42.5

100

Note: The data listed in the above table are the normal ones, or we can design them according to the customers’ special requirements.

Outline drawing and installation dimensions

There are two structures for the trucks:

a. 2 VTs structure with type YBCⅡ-12: 2 units voltage transformers with fuses, JDZ19 (G)-10RJC, JDZ19 (G)-10RVJC or JDZ21 (G)-10R (GB), JDZ21 (G)-10RV (GB) in V-connection, and with a fuse support.

b. 3 VTs structure with type YBCⅢ-12: 3 units voltage transformers with fuses, JDZX30 (G)-10RC or JDZX18 (G)-10RC in Y-connection, and their residual voltage windings are for symmetrical monitor on 3-phase voltage.

Drawing 1. Outline and Installation Dimensions for Type YBCⅡ-12/150-650

Drawing 2 Outline and Installation Dimensions for Type YBCⅢ-12/150-650

Drawing 3 Outline and Installation Dimensions for Type YBCⅡ-12/210-800

Drawing 4 Outline and Installation Dimensions for Type YBCⅢ-12/210-800

Drawing 5 Outline and Installation Dimensions for Type YBCII-12/150-650

Drawing 6 Outline and Installation Dimensions for Type YBCII-12/210-800

Drawing 7 Electric Connection for Type YBC II-12

Drawing 8 Electric Connection of Two 3-open-2-close Assistant Switches S8 or S9 for Type YBC II-12

Drawing 9 Eearthing Connection for Type YBC III-12 Drawing 10 Electric Connection of Type YBC III-12

Drawing 11 Inner Secondary Connection for Type YBC III-12

Note: All the numbers lead to the secondary socket; 2.5mm² strand wire shall be used for secondary circuit of voltage transformers (colors are according to the phase sequence).

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Sihui Oil Immersed Transformer

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