描述
产品简要说明
MALLING 827.41是DEIF专为中高压电力系统设计的智能保护继电器,核心特性包括:
全信号监测:实时采集电压、电流、频率等参数
多故障诊断:支持过流、欠压、接地故障等12类保护逻辑
紧凑型设计:模块化结构适配标准控制柜
产品详细说明
1.功能架构与算法
保护逻辑引擎
故障类型覆盖:
过电流(I²t积分保护)、电压不平衡、频率偏移、差动保护等
动作特性:
反时限特性曲线(可选IEC/IEEE标准)
快速跳闸模式(动作时间<30ms)
通信与集成
协议支持:
Modbus TCP/IP、IEC 61850(可选配)
系统联动:
支持与DEIF SCM-1同步控制器协同实现并联保护
2.**硬件设计亮点
环境适应性
防护等级:
IP20(标准)/IP65(防水选件)
工作温度:
-25°C至+70°C(宽温设计)
接口配置
输入输出:
8路数字量输入(湿接点兼容)
4路继电器输出(触点负载10A 250V AC)
3.**运维与诊断
状态指示:
LED面板显示运行状态(就绪/报警/故障)
数据记录:
内置事件日志(容量1000条,支持USB导出)
Product brief description
MALLING 827.41 is an intelligent protection relay designed by DEIF for medium and high voltage power systems.The core features include:
Full signal monitoring:Real-time acquisition of voltage,current,frequency and other parameters
Multi-fault diagnosis:supports 12 types of protection logic such as overcurrent,undervoltage,and grounding faults.
Compact design:modular structure adapted to standard control cabinet
Product details
1.Functional architecture and algorithms
Protect logic engine
Fault type coverage:
Overcurrent(I²t integral protection),voltage imbalance,frequency offset,differential protection,etc.
Action characteristics:
Inverse time limit characteristic curve(optional IEC/IEEE standard)
Quick Trip Mode(action time<30ms)
Communication and integration
Protocol support:
Modbus TCP/IP,IEC 61850(optional)
System linkage:
Supports parallel protection in cooperation with DEIF SCM-1 synchronization controller
2.**Hardware design highlights
Environmental adaptability
Protection level:
IP20(standard)/IP65(waterproof option)
Operating temperature:
-25°C to+70°C(wide temperature design)
Interface configuration
Input and output:
8-channel digital input(wet contact compatible)
4-channel relay output(contact load 10A 250V AC)
3.**Operation and maintenance and diagnosis
Status indicator:
LED panel displays running status(ready/alarm/fault)
Data record:
Built-in event log(capacity 1000,support USB export)