Power supply switching device

The invention discloses a power switching device. It is applied to the switching between the autogenous power and the auxiliary power. It includes: the comparator connects to the auxiliary power and judge whether the auxiliary power can be used; the selecting switch connects to the autogenous and th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUIDONG SHI, YONGGEN TAN
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATION RELAYS SELECTORS SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The invention discloses a power switching device. It is applied to the switching between the autogenous power and the auxiliary power. It includes: the comparator connects to the auxiliary power and judge whether the auxiliary power can be used; the selecting switch connects to the autogenous and the auxiliary power, and switches on the auxiliary power when it can be used and switches on the autogenous power when the auxiliary power cannot be used. Adopting the above technology, this power switching device can switch between the autogenous and the auxiliary power, cut off the autogenous power when the auxiliary power is in use to assure the quality of the electric power, and use the autogenous power when the auxiliary power can not supply the power.