Incoming cabinet control system
The invention discloses an incoming cabinet control system. The incoming cabinet control system comprises a tripping signal circuit, a closing signal circuit and an over-current hunting circuit, wherein the tripping signal circuit, the closing signal circuit and the over-current hunting circuit are...
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Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
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Zusammenfassung: | The invention discloses an incoming cabinet control system. The incoming cabinet control system comprises a tripping signal circuit, a closing signal circuit and an over-current hunting circuit, wherein the tripping signal circuit, the closing signal circuit and the over-current hunting circuit are connected to the two ends of a power source respectively and connected in parallel. The incoming cabinet control system is characterized by further comprising a voltage loss starting circuit and a shunt release energizing circuit which are connected to the two ends of the power source respectively and connected in parallel; the voltage loss starting circuit comprises an alternating current voltage relay and a time relay which are connected in series; the shunt release energizing circuit comprises a time relay control switch, a tripping and closing relay and a shunt release; the time relay control switch is further connected with a first button switch in parallel; the time relay is powered on to control the time rel |
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