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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP5670877ApriorityCriticalpatent/JPS53141431A/en
Publication of JPS53141431ApublicationCriticalpatent/JPS53141431A/en
PURPOSE: To provide an operation of detecting a zero point of current in a good precision, by such means that with a current transformer inserted into between a connection point of negative arm of a thyristor constituting a converter and a surge absorber, a load current be detected by the detected current.