Product Description
1. General
1.1 Ratings: system voltage 40.5kV, rated current up to 2000A, AC 50/60Hz.
1.2 Application: applicable for power receiving and distribution of power plant and substations for control, protection and measurement.
1.3 Standard: I EC 62271-200
2 Type Designation
3. Main Technical Parameter
4.1 Switchgear Panel Parameters
| ltem | Unit | Data | ||
| Rated voltage | kV | 40.5 | ||
| Rated current |
Rated current of main bus bar | A | 1250,1600,2000,(2500) | |
| Rated current of matchedVCB | A | 1250,1600,2000,(2500) | ||
| 1min power frequency withstand voltage | KV | 95 | ||
| Lightning withstand voltage | kV | 185 | ||
| Power frequency withstands voltage of auxilarycircuit and control circuit |
V/imin | 2000 | ||
| Rated frequency | Hz | 50 | ||
| Rated short-circuit breaking current | kA | 202531.5 | ||
| Rated short-time withstand current/Rated short-circuit continuous time | kA/4s | 20 25 31.5 | ||
| Rated withstands current (peak) | kA | 50 63 80* | ||
| Rated short-circuit making current | kA | 506380* | ||
| Rated voltage of control circuit | V | DC:110220; AC:110220 |
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| Protection level | Switchgear shell Compartments (door opened) |
P3X | ||
| P2X | ||||
4.2 VCB Parameter
| ltem | Unit | Data | |
| Rated voltage | kV | 40.5 | |
| Rated current | A | 1250,1600,2000,(2500) | |
| Rated frequency | Hz | 50 | |
| Rated short-time breaking current | kA | 2025 | 31.5 |
| Rated short-circuit making current | kA | 5063 | 80 |
| Rated peak withstand current | kA | 5063 | 80 |
| Rated short-time withstand current/Rated short-circuit continuous time | kA/4s | 2025 | 31.5 |
| Rated 1min power frequency withstand voltage (rms) | kV | 95 | |
| insulation Thundering withstand voltage(rms) | KV | 185 | |
| evel Powerfrequency withstand voltage of auxillary circuit and oontrol circuit | V1min | 2000 | |
| Mechanical life | Times | 10000 | |
| Electro-magnetic mechanism | s | ≤0.2 | |
| Making time Spring mechanism | S | ≤0.15 | |
| Breaking time | s | ≤0.07 | |
| Rated operation sequence | open-0,3s-closeopen-180s-close | ||