Product Overview

The first-generation microcomputer-controlled DC power system, GZDW series, features an integrated modular design. It mainly consists of a monitoring module, rectifier module, insulation monitoring module, battery inspection module, AC/DC monitoring module, switch status monitoring module, step-down module, distribution unit, battery, and cabinet. It is characterized by flexible configuration, stable performance, user-friendly interface, simple operation, and intelligent management. It is widely used in various power plants, substations, mobile communication base stations, industrial and mining enterprises, electrified railways, airports, ports, as well as high-rise buildings and residential areas. It can serve as the operating and control power supply for high-voltage switches, electromechanical protection, automation devices, communication equipment, program-controlled switches, and power carrier machines.

Model Meaning

Product Features

◆ Two AC inputs with automatic switching, ensuring normal system operation;

◆ Ultra-wide voltage input range, strong power grid adaptability, suitable for relatively harsh environments;

◆ High-frequency switching power supply technology, modular design, N+1 hot standby, high reliability;

◆ Rectifier module supports hot swapping for online maintenance, convenient and fast;

◆ The charging module uses new switch technology, high conversion efficiency, low electromagnetic interference;

◆ Hardware low-difference current sharing technology, module output current imbalance typically within ±3%;

◆ Monitoring available with LCD, touch screen, or color touch screen; large graphical display, rich and user-friendly interface, simple to operate;

◆ Real-time monitoring and control of system operation; supports system settings, information queries, as well as remote monitoring and control including telemetry, remote control, remote signaling, and remote adjustment for unattended operation;

◆ Automatically manages battery voltage, charge/discharge current, and temperature compensation; includes over/under-voltage, overtemperature, and fault alarms, ensuring optimal battery operation and extending battery life;

◆ Supports manual and automatic voltage regulation and branch insulation detection;

◆ Reliable lightning protection and high-level insulation measures ensure system and personal safety;

◆ Provides RS232 and RS485 communication ports, with RTU, CDT, and MODBUS protocol options;

◆ Equipped with expansion interfaces to connect external devices;