Electronic voltage regulating coil

Abstract

The utility model relates to the field of electric power system electric energy quality control, concretely relates to an electronic type voltage regulating coil, including voltage regulating coil, 1~5# electronic switch, current -limiting resistance, relay, microprocessor, wireless communication module, wherein each electronic switch includes 1 rectifier bridge and 1 IGBT switch tube, the positive pole of rectifier bridge is linked with the D end of IGBT switch tube, the negative pole of rectifier bridge is linked with the S end of IGBT switch tube, and the AC input is as two input ends of electronic switch, and is respectively recorded as S1_1, S1_2, S2_1, S2_2, S3_1, S3_2, S4_1, S4_2, S5_1, S5_2. The utility model patent is the voltage regulating coil based on electronic switch control, will change the inductance value of voltage regulating coil in circuit through the on-off of electronic switch, will be used for on-load voltage regulating transformer to realize flexible voltage regulation, reduce the number of turns of voltage regulating coil, reduce the manufacturing process, and save copper material further.

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