Xu Ji WBH-802A, WXH-801A, WXH-803 microcomputer transformer protection measurement and control device

Xuji WXH-803 microcomputer line protection measurement and control device


1.1 Application Scope
WXH-801 (802) series ultra-high voltage line protection device (hereinafter referred to as the device) is a complete set of digital protection device suitable for the voltage grade of 110kV and above.Main protection principle is longitudinal direction includes WXH-801, WXH-801 / A, WXH-801 / D, main protection principle is longitudinal distance includes WXH-802, WXH-802 / A, WXH-802 / D, WXH-801 / E is not equipped with main protection.


WXH-801 (802) and WXH-801 (802) / D are mainly suitable for voltage grade single and double bus wiring of 220kV and above; when the longitudinal protection cooperates with the transceiver, the high frequency channel of WXH-801 (802) / D device
Logic is completed by protection, WXH-801 (802) device high frequency channel logic is completed by the transceiver.
WXH-801 (802) / A device is mainly suitable for 330kV and above, without reclosing.
WXH-801 / E is mainly suitable for 110kV voltage level, without main protection.
Xuji WXH-803 microcomputer line protection measurement and control device