Ningbo Tianan (Group) Co.,Ltd.
Ningbo Tianan (Group) Co.,Ltd
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40 . 5KV Prefabricated Special Substation For PV Power Generation
|
Item |
Unit |
Parameters |
||||
|---|---|---|---|---|---|---|
| HV Unit | Switch Type | Combined Electrical Apparatus | Circuit Breaker | |||
| Rated Voltage | kV | 40.5 | 40.5 | |||
| Rated Frequency | Hz | 50 | 50 | |||
| Rated Main Busbar Current | A | 630 | 1250 | |||
| 1min Rated power Frequency Withstand Voltage To earth, Between Phases/to open gap | kV | 95/118 | 95/118 | |||
| Lightning Impulse Withstand Voltage To earth, Between Phases/to open gap | kV | 185/215 | 185/215 | |||
| Rated Short-time Withstand Current | kA/s | 20/2 | 25/4 | |||
| Rated Peak Withstand Current | kA | 50 | 63 | |||
| Rated Short- circuit Making Current | kA | 31.5 | 63 | |||
| Rated Short-circuit Breaking Current | kA | 31.5 | 25 | |||
| LV Unit | Rated Voltage | V | 480 | |||
| Rated Main Circuit Current | A | 1600～3300 | ||||
| Rated Limit Short-circuit Breaking Capacity | kA | 50 | ||||
| Rated Operating Short-circuit Breaking Capacity | kA | 40 | ||||
| Rated Short-time Withstand Current | kA/1s | 40 | ||||
| Transformer Unit | Rated Capacity | kVA | 2500 | |||
| Resistance Voltage | % | 4； 4.5 | ||||
| Tapping Range | % | ±2X2.5； ±5 | ||||
| Connected Group | Y,yn0； D,yn11 | |||||
| Enclosure | Degree of Protection | HV Room | IP33 | |||
| LV Room | IP33 | |||||
| Transformer Room | IP23 | |||||
| Sound Level | dB | ≤55 | ||||