Mixed type magnetic saturation fault current limiter
A fault current limiter, hybrid technology, used in emergency protection circuit devices for limiting overcurrent/overvoltage, inductors with magnetic cores, transformers/inductor cores, etc. Due to the large amount of permanent magnets and the impact of device performance, the effects of small impact, compact structure, and reduced device loss and cost are achieved.
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[0027] The features and advantages of the present invention can be further understood through the following detailed description in conjunction with the accompanying drawings. The examples provided are only illustrative of the method of the present invention and do not limit the rest of the present disclosure in any way.
[0028] Such as figure 1 As shown, a hybrid magnetic saturation fault current limiter includes an iron core, a coil winding, a DC power supply and a current-limiting reactance. The iron core includes an open stem and a first stem respectively located on the left side of the open stem , the second core column and the third core column and the fourth core column on the right, the upper and lower ends of the open core column respectively have an upper yoke and a lower yoke, and the upper yoke is inlaid with a first permanent magnet, The third permanent magnet, the second permanent magnet and the fourth permanent magnet are inlaid in the lower yoke, the two ends...
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