Novel full-fiber current transformer of isolation circuit breaker type
A technology of current transformer and isolation circuit breaker, applied in the direction of voltage/current isolation, etc., can solve the problems of low degree of functional combination, high investment cost, large floor space, etc., to simplify the main power wiring, large measurement range, reduce The effect of floor space
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[0020] Aiming at the shortcomings of the prior art, the present invention adopts a passive all-optical current transformer and fundamentally realizes deep integration with the isolating circuit breaker, and proposes a new isolating circuit breaker type all-optical current transformer. It has high accuracy, large measurement range, good transient characteristics, high installation integration, and small size, saving space and cost, which will be described in detail below with reference to the drawings.
[0021] Such as figure 1 Shown is a new type of isolating circuit breaker type all-optical current transformer, including circuit breaker interrupter 1, all-optical current transformer sensitive ring 2, terminal board 3, optical fiber composite bushing 4, all-optical current transformer electrical unit 5. Polarization maintaining fiber 6, insulating ring 7 (ring thin-wall epoxy resin), conductive support flange 8, transition flange 9; all-fiber current transformer sensitive ring 2 i...
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