One or two fusion standardized custom ring cage
Product Parameters
Performance characteristics
In addition to all the features of a secondary fusion set of ring cage, it also adds the following advantages:
1, can realize the power generation car fast access
2. Uniform size and interchangeability of lifting equipment
3, reliable anti condensation, improve the stability of the secondary circuit
4. Add partial discharge and cable temperature real-time monitoring function
Technical parameters
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Name |
Parameters |
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Load switch cabinet |
Combined electrical cabinet |
Circuit breaker cabinet |
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Ring cage body |
Rated voltage |
12kV |
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Rated frequency |
50Hz |
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Rated current |
630A |
125A |
630A |
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Rated transfer current |
- |
1500A |
- |
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Rated short-time withstand current |
Main circuit |
20kA/4s |
- |
20kA/4s |
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Earthing switch |
20kA/4s |
- |
20kA/4s |
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Rated short-circuit closing current |
Main circuit |
50kA |
80kA |
50kA |
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Earthing switch |
50kA |
80KA |
50kA |
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Mechanical life |
Main switch |
5000 times (SF6)/10000 times (vacuum) |
10000 times |
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Earthing switch |
3000 times |
3000 times |
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Protection level |
Gas chamber |
IP67 |
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Cabinet |
IP4X |
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Shell |
IP44 |
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Distribution terminal DTU |
Nominal value of voltage input |
AC 100V or AC 220V optional |
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Nominal value of current input |
AC 1A or AC 5A optional |
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Working power supply |
DC screen in the station |
DC220V/DC110V, single channel |
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No DC screen in the station |
AC220V/DC220V, dual |
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Measurement and control capacity |
(1) Capacity configuration: 4~16 circuit; (2) Telemetry: fully equipped with 8 voltages and 48 currents; (3) Remote mail: 120; Remote control: fully equipped with 16 circuits (2 for each circuit: opening and closing). |
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Voltage measurement accuracy |
0.5 level |
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Current measurement accuracy |
The phase measurement value is 0.5 grade (≤ 1.2In), and the phase protection value is ≤ 3%(≤ 10In). |
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Remote communication resolution |
≤ 2ms |
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Software anti-jitter time |
2~60000ms can be set |
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punctuality accuracy |
Every 24 hours error 2s |
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Installation method |
Group screen/outdoor/shielded |
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Connection mode of DTU |
Terminal block/aviation connector |
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Average trouble-free working time |
≥ 50000 |
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