Relay protection tripping matrix automatic testing device
The utility model provides a relay protection tripping matrix automatic test device, which comprises a first lead, a divider resistance circuit and an analyzer, one end of the first lead is connected with current access test equipment, the other end of the first lead is connected with the input end...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a relay protection tripping matrix automatic test device, which comprises a first lead, a divider resistance circuit and an analyzer, one end of the first lead is connected with current access test equipment, the other end of the first lead is connected with the input end of a relay in a protection device, and the output end of the relay is electrically connected with the divider resistance circuit; the first wire is connected with a current acquisition unit, the current acquisition unit is used for acquiring a current signal in the first wire, and the current acquisition unit is electrically connected with the timing module; the divider resistance circuit comprises a first resistor, a second resistor and a third resistor which are connected in sequence, the input end of the divider resistance circuit is electrically connected with a current detection unit in the analyzer through the first resistor and the second resistor, the current detection unit is electrically connected with th |
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