When the iron core of a power transformer is grounded at two or more points, circulating current will be generated insid...
This device monitors the phase voltage and zero sequence voltage of the PT secondary side in real time. When the insulat...
The TZY-MMI-A series low-voltage control and protection device can be widely used in various industries such as power, m...
The TZY-NP2000A intelligent neutral line protection device and system are connected to the distribution system by simult...
The TZY-ASD series intelligent anti vibration device is a controller developed to solve the problem of equipment shutdow...
The TZY-PCT2000 power frequency current monitoring device digitizes the grounding current signal through the RS-485 bus ...
The TZY-AIP500 anti islanding protection device has a simple structure, easy operation, high reliability, small size, ea...
The neutral point gap protection device for transformers is suitable for neutral point overvoltage protection of ungroun...
With the rapid development of urban distribution networks, especially in large civil buildings and residential areas, it...
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