Static transfer switch (STS) device with external replacement protection

The utility model belongs to a static transfer switch (STS) device with external replacement protection. The device comprises a static transfer switch STS, breakers K1, K2, and K3, power supply lines S1 and S2, and an output line OUTPUT. The device is characterized in that breakers K4 and K1 are con...

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Bibliographische Detailangaben
1. Verfasser:	JI ENGUANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The utility model belongs to a static transfer switch (STS) device with external replacement protection. The device comprises a static transfer switch STS, breakers K1, K2, and K3, power supply lines S1 and S2, and an output line OUTPUT. The device is characterized in that breakers K4 and K1 are connected on the power supply line S1, and breakers K5 and K2 are connected on the power supply line S2. Other ends of the breakers K4 and K5 are connected, and are connected with the breaker K3 and the output line OUTPUT. With the device provided by the utility model, when STS is damaged, enough reparation time is provided, and device reparation and replacement can be realized without power off. Therefore, a safety protection effect is provided, and the device is safe and reliable.