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Apparatus and methods for monitoring parallel-connected power switching devices responsive to drive circuit parameters
Apparatus and methods for monitoring parallel-connected power switching devices responsive to drive circuit parameters
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机译:响应于驱动电路参数而监视并联连接的功率开关装置的装置和方法
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摘要
An apparatus, such as an inverter or rectifier in a double-conversion UPS, includes a plurality of power switching devices, such as IGBTs, coupled in parallel. A drive circuit is coupled to the power switching devices at a plurality of drive nodes and configured to drive the drive nodes responsive to a drive control signal. A monitoring circuit is coupled to the drive circuit and configured to determine respective statuses of respective ones of the power switching devices. The monitoring circuit may be configured to generate respective measures of drive delivered to respective ones of the drive nodes.
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