Power electronic equipment failure self-healing method
A power electronics and equipment failure technology, applied in the direction of electrical components, circuit devices, etc., can solve problems such as overloading of power devices, damage to multiple devices, and inestimable economic losses of power companies, so as to avoid chain occurrence and ensure safe operation.
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[0008] According to the research of the inventors, power electronic equipment such as converter valves, electronic switches, and electronic AC power controllers, the main part is to form a power device string by connecting a large number of power devices in parallel, and then a plurality of power devices. A three-phase current conversion control system is formed by connecting in parallel with each other. During the operation of these devices, the current passing through the current conversion control unit of each phase is equally borne by each power device. Once a serious uneven voltage situation occurs, it will lead to overload of large-area power devices and cause a large number of damage to power devices. And the paralysis of the entire equipment, not only the maintenance workload is huge, resulting in large-scale and long-term power outages, but also brings serious economic losses to power companies. Therefore, in the design of power electronic equipment, it is generally n...
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