Operation control method and device applied to inverter feedback device and medium
A technology of operation control and inverter, applied in transportation and packaging, power lines, vehicle components, etc., can solve problems such as inverter feedback device misoperation, and achieve the effects of reducing misoperation, reducing costs, and low cost
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[0021] The present invention will be further described in detail below in conjunction with the drawings.
[0022] Method embodiment:
[0023] Such as figure 1 The rail transit traction system shown includes a 35 kV medium voltage ring network (AC35kV medium voltage ring network) connected to a traction substation, and a 1.5 kV DC contact network (DC1500V DC bus) used to directly drive locomotives; 35 thousand The MV medium voltage ring network is connected to the 1.5 kV DC contact network through AC / DC conversion power supply. The 1.5 kV DC contact network is connected to an inverter feedback device, and the inverter feedback device is connected to an AC 35 kV medium voltage through a 35kV / 900V energy feeder transformer Ring.
[0024] Such as figure 2 As shown, the operation control method of the inverter feedback device includes the following steps: real-time monitoring of the inverter feedback device AC grid-connected side voltage U, the AC grid-connected side voltage U can be ...
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