Novel analog circuit breaker
The utility model discloses a novel analog circuit breaker, which relates to the technical field of circuit verification, and comprises a two-position relay, a first switch and a second switch, a first coil in the two-position relay is connected in series in a closing control loop of a relay protect...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a novel analog circuit breaker, which relates to the technical field of circuit verification, and comprises a two-position relay, a first switch and a second switch, a first coil in the two-position relay is connected in series in a closing control loop of a relay protection device operation box, and a second coil in the two-position relay is connected in series in a closing control loop of the relay protection device operation box. A second coil in the two-position relay is connected in series in a tripping control loop of a relay protection device operation box, a first switch is connected in series in a closing control loop, and a second switch is connected in series in the tripping control loop; after the first switch is closed, the first coil generates repulsive force, the normally open contact corresponding to the first coil is closed, the novel simulation circuit breaker is closed to generate a closing signal, and the closing signal is transmitted to the relay protection dev |
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