Current limiter for short circuit fault
A short-circuit fault, current limiter technology, applied in circuit devices, emergency protection circuit devices, protection against overcurrent, etc., can solve the problems of technical difficulty and high cost of bias power supply, and eliminate steady-state current waveform distortion. , Guarantee power quality, improve the effect of current limiting effect
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[0022] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0023] Such as figure 2As shown, Embodiment 1 of the present invention is a single-phase short-circuit fault current limiter. The existing single-phase short-circuit fault current limiter is composed of a single-phase rectifier bridge composed of a first thyristor T1, a second thyristor T2, a first diode D1, and a second diode D2, and a current-limiting inductance L0. On this basis, the first capacitor C1 and the second capacitor C2 are respectively connected in series at the positive and negative DC ends of the rectifier bridge, and the current-limiting inductance L0 in the existing short-circuit fault current limiter is formed by the first current-limiting inductance (general inductance or super Conductive inductance can be replaced by L1 and the second current-limiting inductance L2, the connection point of the first thyristor T1 and the second ...
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