描述
产品简要说明
RMC-122D是DEIF专为电力系统短路保护设计的高性能继电器，核心能力包括：
快速响应：短路故障检测时间≤30ms
双模式监控：矢量偏移与ROCOF（df/dt）双重判据
灵活配置：支持常开/常闭触点自定义
产品详细说明
1.保护逻辑与算法
故障检测机制
矢量偏移监控：
比较相邻周期相位角变化，阈值可设0.5°～5°（步长0.1°）
ROCOF（df/dt）保护：
频率变化率超过±1Hz/s时触发动作（响应时间100ms）
动作特性
模式触发条件输出触点类型
短路保护电流>120%额定值常闭触点瞬时断开
过载保护持续电流>110%额定值×10s延时报警+闭锁
2.系统集成能力
协同设备：
可与LMR-122D（主电网失电保护继电器）组成完整发电机保护链
通信接口：
支持干接点输出+可选Modbus扩展模块（需外接CIO系列I/O）
产品概述:RMC-122D
作为DEIF电力保护产品线的关键成员，RMC-122D通过混合判据算法实现短路与异常频率的精准识别，适用于船舶发电机、陆用配电柜等场景，符合IEC 61557-9接地故障检测标准。
Product brief description
PSM-1 DELOMATIC-3 is a DC/AC compatible power module designed by DEIF for harsh environments.The core features include:
High stability output:voltage fluctuation<±1%(typical)
Full scene adaptation:Supports 85~264V AC or 100~370V DC input
Intelligent protection:Overload/short circuit dual protection+redundant configuration support
Product details
1.Power management technology
Output Characteristics
Dynamic response:
The response time of sudden loading step is≤2ms(when the load changes±20%)
Ripple suppression:
Voltage ripple at the output end<50mV(24V DC mode)
Protection mechanism
Protection type Detection threshold Perform action
Overload protection 120%~150%rated power Current limit+sound and light alarm
Short circuit protection Current>2×Rated value Instantaneous cutoff+automatic restart attempt
2.Environmental adaptability design
Temperature compensation:
Built-in NTC thermistor achieves efficiency optimization in full temperature zone-20°C~+60°C(minimum efficiency≥85%)
Seismic enhancement:
Built-in shock absorbing bracket(compliant with IEC 60092-353 marine standards)
Product Overview:PSM-1 DELOMATIC-3
As the core power supply unit of the DELOMATIC-3 series,PSM-1 achieves full power supply from traditional industrial equipment to intelligent control systems through modular design.It is especially suitable for scenarios such as ship distribution cabinets and distributed energy stations that require strict space and reliability,and is compatible with DEIF PPM/SG,PPU and other control equipment interfaces.
