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    New Fashion Design for China DC Low Voltage Cubicle Electrical Power Equipment Switchgear

    This new generation of microcomputer controlled direct-current power supply panel GZDW/GZTW series adopts integrated module structure, is mainly composed of monitoring module, rectifier module, insulated monitoring module, battery inspection module,AC/DC monitoring module, switching value monitoring module, step-down module, distribution unit, storage battery and cabinet body, is featured with flexible configuration, stable performance, friendly interface, simple operation, intellectualized management, etc. The products are widely applied to various power plants, transformer substations, mobile communication station, industrial and mining enterprises, electrified railways, airports, havens, high-rise buildings, residential areas, etc, also can be used as operating and control source of high-voltage switch, electromechanical protection, automatic device, communication equipment, SPC exchange, electric carrier and other equipment.

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    Product Detail

    Product Tags

    Model and meaning

    未標題-1

    Industry Standard

    DL/T459-2000 Specifications of D.C supply cabinet in power system
    DL/T637-1997 Specification for order of the valve regulated sealed lead-acid batteries
    DL/T724-2000 Specification of operation and maintenance of battery DC power supply equipment for electric power system
    DL/T781-2001 High frequency switching converter module in power system
    DL/T856-2004 DC electrical source supervisor for electric power
    DL/T857-2004 Specification of rectification inversion equipment for battery of power plant and substation
    DL/T5044-2004 Technical code for designing DC system of power projects
    DL/T5120-2000 DC System design code for small electric power project

    Scope of application

    This microcomputer controlled direct-current power supply panel RZ-GZDW-1/2/3/4 is an integrated power supply panel especially designed for users of different capacity. The?system is mainly composed of monitoring module, rectifier module, AC/DC monitoring module, insulated monitoring module, battery inspection module, switching?value monitoring?module, step-down module, is featured with stable performance, friendly interface, simple operation, intellectualized management, etc.The products are applicable to transformer?substations of different voltage class, power plants, industrial and mining enterprises, electrified railways, high-rise buildings,etc, also can be used as operating and control?source of high-voltage switch, relay protection and automatic device.

    The main technical parameters

    未標題-2

    System Features

    1)Two circuits of alternating-current input transfer automatically, ensuring normal running of system;
    2) Wide input voltage range, strong power grid adaptability;
    3) Adoption of high-frequency switching power supply technology, modularized design, N+ 1 hot standby, high reliability;
    4) The rectifier module adopts live hot plug, convenient and quick daily maintenance;
    5) High-accurate dynamic current sharing; independent, controlling or controlled running is available;
    6)LCD screen, touch screen and colorized touch screen are available for selection, big screen with images and characters, has friendly interface, simple and convenient operation;
    7)The monitor will carry out all-around monitoring and control to the running of system, it can realize system setting, information query, as well as“remote measurement, remote control, remote signaling, remote adjustment" four-remote function to the system through background monitoring and remote monitoring, realize unattended operation;
    8)The monitor is able to control the voltage of storage battery, charging/discharging current and temperature compensation of storage battery accurately, has over/under voltage and over-temperature alarm as well as fault alarm, ensuring optimum state of storage battery, prolong the service life of storage battery;
    9) Functions of manual and automatic voltage regulation, as well as branch insulation detection;
    10) Reliable lightning proof and excellent insulating protection measures, guaranteeing safety for system and person;
    11)RS232 and RS485 two communication interfaces, and RTU, CDT, MODBUS three types of communication protocols issued by Ministry of Electric Power for selection;
    12) With expansion interface, can switch in other external equipment;
    13)It can realize two groups of storage battery independent charging and discharging management by adopting a set of monitoring system, two groups of storage battery, two groups of charging device and bus segment.

    Note: It can be equipped with accident signal or distant signal alarm functions and inverter power, direct-current conversion module to carry out DC/AC and DC/DC conversion if it


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