描述
GE DFP100是一款多功能工业自动化设备,集保护、控制、计量和监控功能于一体,广泛应用于配电馈线保护及工业控制系统。以下是其核心功能与技术特点的综合解析:
一、核心功能与应用
配电馈线保护
DFP100是数字馈线继电器,针对配电系统提供全面保护,包括:
-过电流保护:支持低/高设置过电流及定向过电流保护。
-电压与频率保护:具备欠压、过压、欠频、过频保护功能。
-断路器失灵保护:防止断路器拒动引发的故障扩散。
-冷负荷拾取:支持重合闸功能(可选四次重合器)。
控制与监控
-可配置输入/输出:支持自定义逻辑控制,适用于备用母线、变压器线路保护等场景。
-故障定位与记录:提供200条事件记录及I/V波形捕获功能,便于故障分析。
-断路器健康监测:实时评估断路器状态,预防潜在故障。
计量与数据管理
-电能计量:支持AVW(视在功率)、var(无功功率)、Hz(频率)等参数计量。
-需量电流表:记录瞬时电流峰值,优化能源管理。
二、技术参数与性能
输入/输出通道:16路数字输入+16路数字输出(扩展模块可选)。
通信接口:RS-485、以太网、光纤接口,支持远程配置与数据传输。
编程语言:支持梯形图(Ladder Logic)及功能块图(Function Block Diagram)。
工作环境:
-温度:-10°C至60°C(工作),-40°C至70°C(存储)。
-电压范围:100~240V AC输入,12V DC输出。
三、人机交互与扩展性
用户界面:
-10个目标/警报LED指示灯,直观显示设备状态。
-可选配显示器和键盘,支持本地操作。
-RS232/RS485接口,兼容远程上位机管理。
模块化设计:
支持与其他GE自动化组件(如DCS系统、PLC模块)集成,形成统一控制平台。
四、适用场景
电力行业:变电站馈线保护、备用母线监控。
工业制造:生产线配电系统、大功率电机驱动保护。
能源领域:光伏电站、储能系统故障隔离与管理。

smart
GE DFP100 is a multifunctional industrial automation device that integrates protection,control,metering and monitoring functions.It is widely used in distribution feeder protection and industrial control systems.The following is a comprehensive analysis of its core functions and technical features:
I.Core functions and applications
Distribution feeder protection
DFP100 is a digital feeder relay that provides comprehensive protection for distribution systems,including:
-Overcurrent protection:supports low/high setting overcurrent and directional overcurrent protection.
-Voltage and frequency protection:has undervoltage,overvoltage,underfrequency,and overfrequency protection functions.
-Circuit breaker failure protection:prevents the spread of faults caused by circuit breaker refusal.
-Cold load pickup:supports reclosing function(four-time recloser is optional).
Control and monitoring
-Configurable input/output:supports custom logic control,suitable for scenarios such as backup busbar and transformer line protection.
-Fault location and recording:provides 200 event records and I/V waveform capture function for easy fault analysis.
-Circuit breaker health monitoring:Real-time evaluation of circuit breaker status to prevent potential failures.
Metering and data management
-Electric energy metering:Supports AVW(apparent power),var(reactive power),Hz(frequency)and other parameter metering.
-Demand current meter:Record instantaneous current peak value to optimize energy management.
2.Technical parameters and performance
Input/output channels:16 digital inputs+16 digital outputs(optional expansion modules).
Communication interface:RS-485,Ethernet,fiber optic interface,support remote configuration and data transmission.
Programming language:Supports ladder logic and function block diagram.
Working environment:
-Temperature:-10°C to 60°C(operating),-40°C to 70°C(storage).
-Voltage range:100~240V AC input,12V DC output.
3.Human-computer interaction and scalability
User interface:
-10 target/alarm LED indicators,intuitively displaying the device status.
-Optional display and keyboard,support local operation.
-RS232/RS485 interface,compatible with remote host computer management.
Modular design:
Supports integration with other GE automation components(such as DCS system,PLC module)to form a unified control platform.
4.Applicable scenarios
Power industry:substation feeder protection,backup bus monitoring.
Industrial manufacturing:production line distribution system,high-power motor drive protection.
Energy field:photovoltaic power station,energy storage system fault isolation and management.