Direct-detection type intelligent direct-current system insulation and state diagnosis instrument
A DC system and diagnostic instrument technology, applied in the direction of testing the dielectric strength, etc., can solve the problems of not being able to detect multiple branches at the same time, not being able to detect the DC system, and time-consuming and laborious judgment, so as to achieve strong anti-interference ability and accurate fault location , Judging the effect of fast speed
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[0013] The present invention will be further described below in conjunction with accompanying drawing:
[0014] Such as figure 1 and figure 2 The direct-measurement intelligent DC system insulation and state diagnostic instrument shown includes a diagnostic system mainly composed of a signal generator, a power amplifier, a signal injector, a signal receiver, a signal amplifier, an A / D conversion module, a single-chip microcomputer system and an alarm. Host 1; the output end of the signal generator of the diagnostic host 1 is connected to the main loop of the DC power supply system through a power amplifier, signal injector, and capacitor C in sequence, and the output end of the main loop of the DC power supply system is connected to the diagnostic host via capacitor C 1 signal receiver is connected; the signal received by the signal receiver is input to the single-chip system through the processing of the signal amplifier and the A / D conversion module in turn; the single-chi...
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