Xuchang Shangji Electric Co., Ltd
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800 series device
Product Features
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  • Information Introduction

  • Product Features

    *Adopting the high-performance, reliable, and powerful Xuji next-generation hardware platform,

    16 bit high-precision dual A/D, floating-point operation 32-bit DSP, fully considering redundancy and functional expansion, multiple DSPs work together to complete the main and backup protection functions;

    *The visualized logic development tool VLD, in which all protection logic is developed using different visualized flexible relay groups in the VLD development environment

    Realize a fully transparent design for microcomputer protection;

    *Software runtime memory content 'log system' and protection logic information 'black'

    Record the "box" and achieve rapid and accurate positioning of abnormal situations;

    *The device adopts an integral panel and a standard 6U chassis, which can be plugged in and out after insertion, with strong

    800 series microcomputer protection device product functions

    WDLK-861A/P is suitable for circuit breaker protection with single circuit breaker wiring for voltage levels of 220kV and above.

    WMH-800A / P

    Suitable for busbars of various voltage levels and main wiring methods up to 750kV, used as busbars for power plants and substations

    A complete set of protective devices.

    WXH-803A/P is a complete set of digital protection devices suitable for transmission lines with voltage levels of 220kV and above.

    WBH-801A

    Suitable for transformers with various voltage levels of 220kV and above. The WBH-801A device integrates a transformer

    All electrical quantity protection.

    WBH-802A

    Suitable for transformers of various voltage levels up to 500kV. The WBH-802A device integrates a transformer

    All non electrical quantity protection.

    FCK-851

    *Suitable for interval layer measurement and control units with voltage levels of 1000kV and below, with full range high-precision measurement, high reliability control, complete interval layer monitoring, interval layer logic self-locking interlock, programmed control and other functional features, supporting IEC 60870-5-104/IEC 61850 protocol.

    *The weak current circuit is strictly separated, greatly improving the anti-interference ability of the device;

    *The A/D circuit of the device Comprehensive self inspection of CPU plugins, relay coils, etc


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