Communication control-based low-voltage reactive compensation device
A compensation device and technology on the low-voltage side, applied in reactive power compensation, reactive power adjustment/elimination/compensation, circuit devices, etc., can solve problems such as inconvenient maintenance, contactors affecting normal compensation, complicated wiring, etc., and achieve installation hours reduction, convenient on-site maintenance, and improved power factor
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[0027] The technical solution of the present invention will be further described below in conjunction with the drawings and embodiments. The present invention provides a reactive power compensation device based on communication control, see figure 1 The reactive power compensation device mainly includes: main switch QF, voltmeter V loop, ammeter A loop, arrester FA loop, controller JKW loop, split-phase smart capacitor CF loop, common-phase smart capacitor CS loop, and secondary CT.
[0028] The V loop of the voltmeter is connected to the A and N phases of the transformer via the fuse FU, and displays the A phase voltage on the low voltage side of the transformer.
[0029] The circuit of the ammeter A is connected in series on the secondary side of the current Ta transformer, the current transformer Ta is a through-core type, and the transformation ratio is determined according to the capacity of the reactive power compensation. The secondary side current is 0-5A, indicating the low ...
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