产品概述 Product overview

GZDW 系列直流屏用镉镍电池、浮充电机、配置自动检测报警装置，具有使用寿命长、无污染、维护方便、电压稳定、超低内阻输出、承受大电流冲击及适应性强、可靠性高等特点，是一种较为优良的直流操作电源装置，可广泛应用于 500kV 及以下的变配电所及以下的电厂，也可应用于冶金、矿山、石油、广播电视、计算机房、地下铁道、高层建筑等部门，作为直流控制、信号电源、断电保护和断路器操作机构分合闸电源。 

本产品符合 JB/T5777.4-2000《电力系统直流电源设备通用技术条件及安全要求》标准。 

GZDW series Cd-Ni batteries for DC screens, floating charge motors and automatic detection and alarm devices are characterized by long service life, no pollution, convenient maintenance, stable voltage, ultra-low internal resistance output, strong adaptability and high reliability. They are ideal DC operation power supply devices. They can be widely used in power plants below 500kV and power plants below 500 kV, as well as in departments such as metallurgy, mining, petroleum, radio and television, computer room, underground railway, high-rise buildings, etc. They can be used as DC control, signal power supply, power cut-off protection and on/off power supply for breaker operating mechanisms. 

This product complies with JB/T5777.4-2000《general technical conditions and safety requirements for DC power supply equipment in power system》.

结构特点 Design feature 

微机控制的双路交流输入可自动转换； 

交流输入过欠压，过流，缺相缺零自动检测，显示和报警保护； 

充电和浮充电装置采用智能高频开关整流器模块，N+1 冗余相合，自动均流，并可以带电插拔； 

蓄电池均充和浮充过程自动转换，并可按照电脑设置的正常运行。电网解列、恢复送电等程序实现蓄电池智能均浮充管理； 

在微机控制装置故障或发出错误控制指令时，充电模块进入自主工作状态，输出电压为出厂设定的安全电压，保障系统运行的可靠性。 

智能四遥系统针对交流输入、直流输出、电池回路以及扩充的环境监测提供详细的通讯协议，并具备与变电站综合自动化系统通讯的智能接口。 

Two-way AC input controlled by microcomputer can be automatically converted. 

Automatic detection, display and alarm protection for AC input over/under voltage, over current, phase and zero deficiency; 

The charging and floating charging device adopts an intelligent high-frequency switching rectifier module, N+1 redundancy is combined, automatic current sharing is realized, and the charging and floating charging device can be plugged and unplugged with electricity; 

The battery charging and floating charging processes are automatically switched and can operate normally according to the computer settings. The intelligent floating charge management of storage battery is realized by the procedures of power grid disconnection, power transmission restoration and the like; 

When the microcomputer control device fails or sends out an error control instruction, the charging module enters an autonomous working state, and the output voltage is the factory-set safe voltage to ensure the reliability of the system operation. 

The intelligent four-remote system provides detailed communication protocols for AC input, DC output, battery circuit and expanded environmental monitoring, and has an intelligent interface for communication with the substation integrated automation system.