Three-phase diode clamping three-level double-sampling single immediate refreshing method
A diode-clamped, three-level technology, applied in the field of power electronics, can solve the problems of reducing control system robustness, signal distortion, high-frequency noise, etc., to improve steady-state and dynamic performance, eliminate digital control delay, The effect of increasing system bandwidth
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[0018] The technical solutions of the present invention will be further elaborated below with reference to the accompanying drawings and specific embodiments.
[0019] A three-phase diode-clamped three-level dual-sampling single-immediate refresh method is applied to a voltage quality adjustment device with a three-phase diode-clamped three-level topology, see figure 1 As shown, the three-phase diode-clamped three-level topology structure includes an incoming and outgoing circuit breaker, a three-phase fully-controlled inverter / rectifier bridge, a DC side electrolytic filter capacitor, an LCL filter circuit on the rectifier side and the inverter side, and a coupled series connection. The electronic and mechanical bypass parts of the transformer and inverter side, the system passes through the three-phase voltage and current collector, and is conditioned by the hardware precision conditioning circuit and sent to the controller for operation to obtain the three-phase modulated wa...
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