Short circuit fault current limiter
A technology of fault current limiter and short-circuit fault, which is applied in the direction of circuit devices, emergency protection circuit devices, and protection against overcurrent, which can solve the problems that the current limiting resistor technology is difficult to realize, and is beneficial to heat dissipation design and realization The effect of high voltage current limiting and avoiding the impact of high current
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[0024] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0025] Such as figure 2 As shown, Embodiment 1 of the present invention is a single-phase short-circuit fault current limiter. Controllable solid-state switch tubes K11, K12, ..., K1n are respectively connected in parallel with current-limiting resistors R11, R12, ..., R1n, and then connected in series with diodes D11, D12, ..., D1m. Controllable solid-state switch tubes K21, K22, ..., K2n are respectively connected in parallel with current-limiting resistors R21, R22, ..., R2n, and then connected in series with diodes D21, D22, ..., D2m, the controllable solid-state switching tubes K31, K32, ..., K3n are respectively The loop connected in parallel with the current limiting resistors R31, R32, ..., R3n, and then connected in series with the diodes D31, D32, ..., D3m, the controllable solid-state switching tubes K41, K42, ..., K4n are respectively co...
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