GE Multilin MIFIIPI5LE20HI00 数字式馈线保护继电器

Description

GE Multilin MIF II 数字式馈线保护继电器（型号：MIFIIPI5LE20HI00，110-250VDC/110-230VAC）技术参数

一、基础电气参数

1. 额定电压范围
   • 直流：110-250VDC
   • 交流：110-230VAC（50/60Hz）
2. 功耗
   • 典型功耗需参考具体手册（未直接提供，但通常数字式继电器功耗较低，如10W以内）。
3. 输入/输出接口
   • 支持多路数字/模拟输入输出，具体数量需结合应用配置。

二、保护功能参数

1. 过电流保护
   • 相过流（51P）、接地过流（51G）延时及瞬时保护，支持IEC/ANSI标准反时限曲线。
   • 可配置高/低设定值（如50P1/50P2、50G1/50G2）。
2. 热过载保护
   • 热模型（49号功能）模拟设备发热过程，支持电机、变压器等负载保护。
3. 自动重合闸
   • 支持单次/多次重合闸逻辑，重合闸时间及次数可编程。
4. 断路器失灵保护（选项2型号）
   • 检测断路器拒动并触发后备保护。

三、通讯与接口参数

1. 通讯协议
   • 支持Modbus、DNP3等通讯协议，可通过RS232/RS485或以太网（需选配）连接。
2. I/O扩展
   • 支持多组数字量输入/输出（如接点输入/输出），具体数量需参考模块化配置。

四、环境与机械参数

1. 工作温度
   • 通常为-25°C至+70°C（需参考具体环境认证，如IEC 60255）。
2. 防护等级
   • 至少IP20（面板安装），可选更高防护等级（如IP54）用于户外或恶劣环境。
3. 机械尺寸
   • 标准19英寸机架安装尺寸（宽×高×深：需参考具体产品手册，通常为标准模块尺寸）。

五、认证与标准

1. 国际认证
   • CE、UL、IEC 61850等认证（需确认具体型号认证情况）。
2. 电磁兼容性
   • 符合IEC 60255-26标准，抗干扰能力强。

六、特殊功能（选项功能）

1. 事件记录与录波
   • 支持故障录波及事件顺序记录（SOE），数据存储容量需参考具体配置。
2. 逻辑编程
   • 可编程逻辑（选项2型号）实现复杂保护逻辑或自动化控制。

七、应用场景

• 适用于中压配电系统馈线保护，支持发电厂、变电站、工业配电等场景。

备注：

• 详细技术参数（如I/O数量、精确功耗、通讯速率等）需参考GE官方技术手册或联系GE技术支持获取。
• 可选功能（如以太网通讯、逻辑编程等）需根据具体订单配置确认。

此技术参数基于GE Multilin MIF II系列数字式馈线保护继电器的典型特性，具体型号（MIFIIPI5LE20HI00）的详细参数需以GE官方文档为准。

Technical parameters of GE Multilin MIF II digital feeder protection relay (model: MIFIIPI5LE20HI00110-250VDC/110-230VAC)

1、 Basic electrical parameters
Rated voltage range
DC: 110-250VDC
Communication: 110-230VAC (50/60Hz)
power consumption
Typical power consumption should refer to the specific manual (not directly provided, but digital relays usually have lower power consumption, such as within 10W).
Input/output
Support multiple digital/analog inputs and outputs, the specific quantity needs to be combined with the application configuration.
2、 Protection function parameters
Overcurrent protection
Delay and instantaneous protection for phase overcurrent (51P) and ground overcurrent (51G), supporting IEC/ANSI standard inverse time curve.
Configurable high/low setting values (such as 50P1/50P2, 50G1/50G2).
thermal overload protection
The thermal model (function 49) simulates the heating process of equipment and supports load protection for motors, transformers, and other devices.
Automatic reclosing
Support single/multiple reclosing logic, with programmable reclosing time and frequency.
Circuit breaker failure protection (Option 2 model)
Detect circuit breaker refusal and trigger backup protection.
3、 Communication and interface parameters
Communication protocol
Supports communication protocols such as Modbus and DNP3, and can be connected via RS232/RS485 or Ethernet (optional).
I/O expansion
Support multiple sets of digital input/output (such as contact input/output), the specific quantity needs to refer to modular configuration.
4、 Environmental and mechanical parameters
operation temperature
Usually ranging from -25 ° C to+70 ° C (subject to specific environmental certification, such as IEC 60255).
protection grade
At least IP20 (panel mounted), with the option of higher protection levels (such as IP54) for outdoor or harsh environments.
Mechanical dimensions
Standard 19 inch rack installation dimensions (width x height x depth: refer to the specific product manual, usually standard module dimensions).
5、 Certification and Standards
international certification
CE, UL, IEC 61850 and other certifications (specific model certification needs to be confirmed).
electromagnetic compatibility
Compliant with IEC 60255-26 standard, with strong anti-interference ability.
6、 Special function (option function)
Event recording and waveform recording
Support fault recording and sequence of events (SOE) recording, data storage capacity needs to refer to specific configuration.
Logic programming
Programmable logic (Option 2 model) is used to implement complex protection logic or automation control.
7、 Application scenarios
Suitable for feeder protection in medium voltage distribution systems, supporting scenarios such as power plants, substations, and industrial distribution.
remarks:

Detailed technical parameters (such as I/O quantity, precise power consumption, communication speed, etc.) should be obtained by referring to the official GE technical manual or contacting GE technical support.
Optional functions (such as Ethernet communication, logic programming, etc.) need to be confirmed based on the specific order configuration.
This technical parameter is based on the typical characteristics of the GE Multilin MIF II series digital feeder protection relay. The detailed parameters of the specific model (MIFIIPI5LE20HI00) should be based on the official GE document.