By-pass switch trigger device of MMC flexible direct-current electronic module
A technology of bypass switch and flexible direct current, applied in the field of bypass switch trigger device, can solve problems such as system tripping and shutdown, bypass switch malfunction, fault expansion, etc., to enhance anti-interference ability, reduce power requirements, and avoid malfunction Effect
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[0017] The present invention will be further introduced below with reference to the accompanying drawings and specific embodiments.
[0018] like figure 2 Shown is the circuit schematic diagram of the embodiment of the bypass switch trigger device of the MMC flexible DC transmission electronic module of the present invention. It can be seen from the figure that the device includes an energy storage circuit for connecting with the power supply and a combination for connecting with the bypass switch. The trigger circuit connected to the gate coil L, the energy storage circuit and the trigger circuit are connected to each other; the trigger circuit is connected in series with a switch tube T used to control the on and off of the trigger circuit, and the control end of the switch tube is used to connect through the switch tube drive circuit The trigger signal terminal of the sub-module controller, and a trigger control switch P1 that is in the same state as the main contact K of ...
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