Remove air conditioning unit with wrong looks protect function that lacks mutually

• Main Authors: LIANG YONG, DUAN QIANHUA, LI XUEQIN, SHAN YANQING, TIAN GONGWU
• Format: Patent
• Language: Chinese; English
• Published: 12.10.2018
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The utility model discloses a remove air conditioning unit with wrong looks protect function that lacks mutually, relate to the electric power tech field, this removes air conditioning unit includingthe operation main circuit, control circuit and consumer, move main circuit connection three phase current and consumer, control circuit control connection moves the main circuit, including a phase sequence protector and the 2nd phase sequence protector in the operation main circuit, a phase sequence protector and the 2nd phase sequence protector sample to three phase line's phase sequence, a phase sequence protector's output relay switch inserts the operation main circuit, the 2nd phase sequence protector's output relay switch access control circuit, the feasible air conditioning unit that should remove also can normally work at the wrong phase time of power, has good fault -tolerant function, when default -phase fault takes place for the power, the power that lacks looks can't switch onto the consumer, the circu