Cable line cross interconnection loop metal shielding resistor live-line detection system and method
The invention relates to a cable line cross interconnection loop metal shielding resistor live-line detection system and method. The system comprises a voltage excitation assembly (1) used for applying two groups of excitation voltage signals with different frequencies to a to-be-detected branch (0)...
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Format: | Patent |
Sprache: | chi ; eng |
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