Three-phase power supply phase sequence detection device and control method thereof

The invention discloses a three-phase power supply phase sequence detection device and a control method thereof.The device comprises a power supply phase sequence access module, a relay assembly, a phase sequence detection module, an optical coupler and a display module, one end of the power supply...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI WEIHAO, JANG HONG-BAE, TAN WENZHE, LAO JINFU, WU FENG, QIN BAOCHANG, ZHANG JIANNENG, PAN JIANMIN, HONG JUNG-HYUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The invention discloses a three-phase power supply phase sequence detection device and a control method thereof.The device comprises a power supply phase sequence access module, a relay assembly, a phase sequence detection module, an optical coupler and a display module, one end of the power supply phase sequence access module is connected with one end of the phase sequence detection module, and the power supply phase sequence access module is used for being externally connected with a three-phase power supply; the phase sequence detection module is used for detecting an input three-phase voltage and generating a power supply state, the other end of the power supply phase sequence access module is connected with one end of the display module through the relay assembly, and the other end of the display module is connected with the other end of the phase sequence detection module through the optical coupler; and the display module is used for analyzing the power supply state and the three-phase voltage and disp