Phase-zero sequence integrated voltage sensor for sulfur hexafluoride circuit breaker
A voltage sensor, sulfur hexafluoride technology, applied in the direction of only measuring voltage, measuring current/voltage, instruments, etc., can solve the problems of high withstand voltage requirements, narrow space, slow response, etc., to overcome narrow frequency band, wide measurement range , the effect of ensuring safety
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[0014] In order to make the purpose of the invention, technical solutions and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods;
[0015] In the accompanying drawings: a phase-zero-sequence integrated voltage sensor for a sulfur hexafluoride circuit breaker, including phase-sequence circuits and zero-sequence circuits of phase A, phase B, and phase C; it is characterized in that: the phase A, phase B The phase and C phase circuits include primary insert 1 at the high voltage end. The primary insert 1 at the high voltage end is set above the high voltage primary capacitor fixing block 2, and the capacitor fixing block 2 runs through the high voltage end phase zero-sequence integrated polypropylene from top to bottom. Capacitor 4, high-voltage end phase zero-sequence integrated polypropylene capacitor 4 is provided with a p...
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