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 deficiencies of the prior art, the present invention proposes a novel isolated circuit breaker-type all-optical current transformer by adopting a passive all-fiber optic current transformer and fundamentally realizing deep integration with an isolated circuit breaker, which not only High accuracy, large measurement range, good transient characteristics, high installation integration, small size, saving space cost, the following will be described in detail with the accompanying drawings.
[0021] Such as figure 1 A new isolated circuit breaker-type all-optical current transformer is shown, including circuit breaker interrupter 1, all-fiber-optic current transformer sensitive ring 2, terminal board 3, fiber-optic composite bushing 4, all-fiber-optic current transformer electrical unit 5. Polarization-maintaining optical fiber 6, insulating ring 7 (annular thin-walled epoxy resin), conductive support flange 8, transition flange 9; all-optical current transfor...
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