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Cascaded multilevel converter self-test system and self-test method for the same
Cascaded multilevel converter self-test system and self-test method for the same
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机译:级联多电平转换器自检系统及其自检方法
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摘要
A cascaded multilevel converter self-test system and a self-test method for the cascaded multilevel converter self-test system are provided. The self-test system includes a cascaded multilevel converter and a self-test device. The cascaded multilevel converter includes at least two converting circuits which are cascaded. The self-test device includes at least one current detecting circuit, a voltage acquiring module and a calculating module. The current detecting circuit is configured to detect a first detected current and a second detected current. The voltage acquiring module is configured to acquire first bus voltages and second bus voltages. The calculating module is configured to calculate an insulation resistance value of the cascaded multilevel converter based on the first detected current, the second detected current, the first bus voltages and the second bus voltages.
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