Low-power-consumption rapid capacitor switching switch with intelligent control
A capacitor switching and intelligent control technology, applied in reactive power compensation, reactive power adjustment/elimination/compensation, etc., can solve problems such as large steepness, unfavorable power grid operation and users, reactive power compensation, etc.
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[0050] Combine below figure 1 Describe this embodiment. The low-power fast capacitor switching switch with intelligent control described in this embodiment includes three-phase power input A1, B1, C1, three-phase control output A2, B2, C2, electronic switch 2 , 2', current transformer 1, 1', zero-crossing signal detection circuit at both ends of the switch 5, 5', zero-crossing trigger module 4, 4', current detection circuit 3, 3', working status indication 6, external control signal 7. Control unit 8.
[0051] The input terminal a of the electronic switch 2 is connected to the power supply input A1 through the current transformer 1 and connected to the A-phase power input of the three-phase power supply input, and the output terminal c of the electronic switch 2 is connected to the first terminal of the three-phase power capacitor through the control output A2 , the power input B1 is directly connected to the B phase of the three-phase power input, the control output B2 is co...
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