High security neutral conductor of three -phase electricity broken string protection device

• Main Authors: ZHANG RUI, YU YUANQING, WANG YUESHENG, ZHOU GUANGWU, LUO YAXI, MA MIN
• Format: Patent
• Language: Chinese; English
• Published: 28.09.2018
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The utility model discloses a high security neutral conductor of three -phase electricity broken string protection device, this protection device include disconnection detection module, control module, power switching over output module, protection switch, disconnection detection module is connected with each phase line and the neutral conductor respectively for monitor the break -make of each phase line and the neutral conductor, control module and disconnection detection module, power switching over output module are connected for receive disconnection detection module's signal and control power switching over output module and carry out the phase line switching, power switching over output module is used for selecting arbitrary double -phase power output to provide working power supplyfor protection switch. The utility model discloses can monitor the neutral conductor or arbitrary phase line broken string and starting protection switch and come the disconnection power supply with protection electrical equi