Xuji WXH-813A microcomputer line protection measurement and control device
WXH-813A / T1 microcomputer line protection device is mainly used as the longitudinal differential main protection and backup protection of 110kV T-type transmission line.
WXH-813A / T1 microcomputer line protection device is suitable for a complete set of digital protection device for 110kV T-type transmission line.
The main protection of WXH-813A / T1 device is phase current differential protection, backup protection includes three-phase and ground distance protection and four-section zero-sequence protection, and is equipped with three-phase primary reclosing function.Further, the series includes a dual-bus AC voltage switching loop, an outlet operating loop for the breaker single or double-trip coil.
WXH-813A / T1 is suitable for dedicated optical fiber or multiplexing 2 Mb/s communication interface mode
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