Built-in capacitive voltage divider voltage transformer, which directly outputs standard small voltage signals, simplifies the system structure, reduces error sources, and improves the stability and accuracy of the entire measurement system;
The built-in current sensor has a wide frequency range, a large measurement range, good linearity, and strong anti-interference ability, which can make the protection device operate reliably under system fault conditions;
No overcurrent will be generated when the voltage output terminal is short-circuited twice, there is no hidden danger of ferromagnetic resonance failure, which has better equipment safety;
The first and second fusion solid-sealed poles are highly integrated, small in size, light in weight, and low in energy consumption, suitable for highly integrated applications in intelligent distribution networks
Electromagnetic Current Transformer
TYPE | Parameter Index |
---|---|
Rated primary current | Phase Current: 600A Zero Sequence Current: 20A |
Rated secondary current | Phase Current: 1V Zero Sequence Current: 0.2V |
Accuracy | Phase Current: Level 0.5(5P10) Zero Sequence Current: Level 1(5P10) |
Rated load | ≥20kΩ |
Rated frequency | 50Hz |
Insulation level | 3kV |
Executive standard | IEC 60044-8;GB/T20840.8-2007 T/ZDG018-2018 Technical conditions of 10kV and 20kV AC sensors in distribution network |
Operating enviroment | -40℃~70℃ |
Zero Sequence Voltage Sensor
Type | Parameter Index |
---|---|
Rated primary voltage | 10kV/√3 |
Rated secondary voltage | 6.5V/3 |
Accuracy | lavel 3 |
Rated load | 2MΩ、5MΩ |
Rated frequency | 50Hz |
Insolation level | 12/42/75kV |
Partial discharge | ≤10pC(14.4kV) |
Executive standard | IEC 60044-8;GB/T20840.8-2007 T/ZDG018-2018 Technical conditions of 10kV and 20kV AC sensors in distribution network |
Operating enviroment | -40℃~70℃ |
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