33kv 17steps 250A Auto Voltage Regulator for Power and Distribution Transformer
China 33kv 17steps 250A Auto Voltage Regulator for Power and Distribution Transformer, Find details about China on Load Tap Changer, Tap Changer from 33kv 17steps 250A Auto Voltage Regulator for Power and Distribution Transformer
Basic Info.
Model NO.
SYTZZ, SYJZZ
Trademark
HEMG
Specification
11kv 100A, 125A 200A 250A
Origin
China
Model NO.
SYTZZ, SYJZZ
Trademark
HEMG
Specification
11kv 100A, 125A 200A 250A
Origin
China
Product Desciption
33KV 250A 50HZ/60HZ AUTO VOLTAGE REGULATOR FOR POWER AND DISTRIBUTION TRANSFORMER
Technical Specification
SYTZZ-33/200-17 is designed and produced according to IEC-60214-1(2003), the main specifications is shown by Table 1.
Table 1 SYTZZ-33/200-17 series OLTC Technical Specification
4. The wiring diagram
(a ) (b)
SYTZZ-33/200-17
5. Operation Condition
5.1 Service ambient air temperature range of tap changer is -25ºC ~ +40ºC,Relative humidity is less then 85%.
5.2 Service temperature range of the tap changer in oil is -25ºC ~ +100ºC.
5.3 Vertical inclination of OLTC should not be over 2% when it is mounted onto the transformer.
5.4 OLTC should be operated in the place without heavy dusty and any corrosive or explosive gas.
6. Automatic Voltage Regulator
SYTZZ-33/200-17 OLTC is equipped with automatic voltage regulator YK-2. please refer to appendix for YK-2 automatic voltage regulator circuit diagram.
7. Special Design.
Special design will be provided according to the requirements of the customer. The OLTC can be equipped with temperature sensor for cold region application and a manual operation mechanism with DC power supply to YK-2 AVR for position display during installation.
Technical Specification
SYTZZ-33/200-17 is designed and produced according to IEC-60214-1(2003), the main specifications is shown by Table 1.
Table 1 SYTZZ-33/200-17 series OLTC Technical Specification
| Model | SYTZZ-33/200-17 | ||
| max. through current | 240 | ||
| Phase number | 3 | ||
| Wiring method | End part voltage regulation | ||
| Max working position number | 17 | ||
| Rated grade voltage | 600 | ||
| Insulation Level (KA) | Insulation grade | 33 | |
| Max working voltage | 36 | ||
| Industrial test voltage 1min | To earth | 85 | |
| Between phase | 85 | ||
| Between max. and min. | 36 | ||
| Between neighboring contact | 36 | ||
| Shocking test (1.2/50us) | 200 | ||
| Shout circuit test | Thermal stability(3S) | 4 | |
| Dynamic stability | 10 | ||
| Mechanical life | (10000 times) | Not less than 50 | |
| Electrical life | Not less than 5 | ||
| Tight test | Working pressure | 3×104 Pa | |
| Test pressure | 6×104 Pa 24h without leakage | ||
| Switch weight (without oil) | (kg) | 130 | |
| Oil weight filled | According to switch height | ||
| Drying | 105+ 5ºC | ||
| Controller fitted | YK-2 | ||
4. The wiring diagram
(a ) (b)
SYTZZ-33/200-17
5. Operation Condition
5.1 Service ambient air temperature range of tap changer is -25ºC ~ +40ºC,Relative humidity is less then 85%.
5.2 Service temperature range of the tap changer in oil is -25ºC ~ +100ºC.
5.3 Vertical inclination of OLTC should not be over 2% when it is mounted onto the transformer.
5.4 OLTC should be operated in the place without heavy dusty and any corrosive or explosive gas.
6. Automatic Voltage Regulator
SYTZZ-33/200-17 OLTC is equipped with automatic voltage regulator YK-2. please refer to appendix for YK-2 automatic voltage regulator circuit diagram.
7. Special Design.
Special design will be provided according to the requirements of the customer. The OLTC can be equipped with temperature sensor for cold region application and a manual operation mechanism with DC power supply to YK-2 AVR for position display during installation.
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