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China ZGS11-12 Combined American Prefabricated Substation - Reliable Suppliers and Factory Solutions
Model meaning
Conditions of Use
Altitude not exceeding 1000m;
Ambient temperature: -35℃~+40℃;
Relative humidity: daily average value is not more than 95%, monthly average value is not more than 90%;
Installation location: A well-ventilated place without fire or explosion hazards, chemical corrosive gases, and a ground inclination of no more than 3 °.
Technical Parameters
| NO. | Name | Unit | Technical Parameters |
|---|---|---|---|
| 1 | Rated voltage | KV | 10/0.4(high pressure/1 low pressure) |
| 2 | Maximum operating voltage | KV | 12 (high voltage side) |
| 3 | Rated frequency | HZ | 50 |
| 4 | Rated capacity | KVA | 50-1600 |
| 5 | 1 minute power frequency withstand voltage | KV | 35 |
| 6 | Lightning impulse voltage | KV | 75 |
| 7 | Cooling method | - | Oil-immersed self-cooling |
| 8 | High voltage backup fuse breaking current | KA | 50 |
| 9 | Plug-in fuse breaking current | KA | 25 |
| 10 | Ambient temperature | - | -35~+40 |
| 11 | Coil allowable temperature rise | ℃ | 65 |
| 12 | No-load voltage regulation | ℃ | ±5%or±2×2.5% |
| 13 | Noise Level | db | 50 |
| 14 | Protection level | - | lp43 |
Installation Dimensions
Ordering Instructions
Product operation location and special requirements;
Provide product ordering drawings, which should include wiring diagrams, and should indicate transformer capacity, main component models and specifications, power distribution branch circuits and capacity;
When electric energy metering and reactive power automatic compensation devices are required, the configuration requirements of the metering electric energy meter and mutual inductor shall be provided, and the capacity of the compensation capacitor shall be indicated;
Indicate the requirements for product surface treatment;
When ordering combined transformers, please specify terminal type or ring network type.
Examples of some product appearance drawings
Frequently Asked Questions (FAQ)
Q1: What are the environmental temperature limits for operating this equipment?
A: The equipment is designed to operate safely within an ambient temperature range of -35℃ to +40℃.
Q2: What is the maximum installation altitude and ground inclination allowed?
A: The installation location should have an altitude not exceeding 1000 meters, and the ground inclination must not exceed 3 degrees.
Q3: What is the rated capacity range and cooling method of the transformer?
A: The rated capacity ranges from 50 to 1600 KVA, and it utilizes an oil-immersed self-cooling method.
Q4: What technical parameters are specified for electrical safety?
A: The system features a 1-minute power frequency withstand voltage of 35 KV, a lightning impulse voltage of 75 KV, and high-voltage backup fuse breaking current of 50 KA.
Q5: What drawings and details should be provided when placing an order?
A: You should provide product ordering drawings including wiring diagrams, transformer capacity, main component models/specifications, and power distribution branch circuits and capacity.
Q6: What is the protection level and noise rating of the transformer?
A: The equipment features a protection level rating of IP43 and operates with a noise level of 50 dB.