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China ZGS11-12 Combined American Prefabricated Substation - Reliable Suppliers & Factory Solutions
Model Meaning
Conditions of Use
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Altitude not exceeding 1000m;
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Ambient temperature: -35℃~+40℃;
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Relative humidity: daily average value is not more than 95%, monthly average value is not more than 90%;
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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
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Product operation location and special requirements;
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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;
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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;
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Indicate the requirements for product surface treatment;
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When ordering combined transformers, please specify terminal type or ring network type.
Product Appearance Drawings
Frequently Asked Questions
What is the maximum altitude for installation?
The equipment is designed for installation at altitudes not exceeding 1000 meters above sea level.
What is the rated capacity range for this model?
The rated capacity ranges from 50 KVA to 1600 KVA depending on specific requirements.
What cooling method does the transformer utilize?
It uses an oil-immersed self-cooling method to ensure stable operation.
What are the ambient temperature limits for operation?
The unit can operate safely in ambient temperatures ranging from -35℃ to +40℃.
What protection level (IP rating) does the product have?
This product features a protection level of IP43, suitable for its intended installation environments.
What information is required for ordering?
You should provide operation location details, wiring diagrams, transformer capacity, component specifications, and any special surface treatment requirements.