Failure detecting method for relay in inverter
一种检测方法、继电器的技术,应用在电路断路器测试等方向,能够解决误报继电器异常、错误接线等问题,达到避免误判的效果
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[0037] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.
[0038] This embodiment provides a method for detecting failure of a relay in an inverter. The circuit diagram of the inverter is shown in figure 1 As shown, it includes an inverter module, an inductor, a capacitor, a control circuit (not shown in the figure) and multiple relays. Multiple relays are connected in series from the grid side or the load ...
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