GE Multilin 469-P1-HI-A1-E

Description

GE Multilin 469-P1-HI-A1-E 电机保护继电器技术参数中文介绍

GE Multilin 469-P1-HI-A1-E 是一款专为保护中压电机设计的高性能电机保护继电器，具备全面的保护功能和先进的通信能力，适用于工业、发电厂、变电站等关键领域。以下是其主要技术参数和功能介绍：

一、469-P1-HI-A1-E  核心保护功能

1. 过载保护
   • 实时监测电机电流，当电流超过预设值时，立即触发保护动作，防止电机因过载而损坏。
2. 短路保护
   • 快速检测电路中的短路故障，迅速切断电源，避免电机和电路设备受损。
3. 接地故障保护
   • 检测接地故障，及时切断电源，确保电机安全运行。
4. 过温保护
   • 监控电机温度，当温度超过预设值时启动保护，防止过热损坏。
5. 扭矩保护（可选功能）
   • 监测电机扭矩，防止因扭矩异常导致的机械损伤。
6. 电流不平衡校正
   • 自动检测并校正三相电流不平衡，避免电机因电流不平衡而受损。

二、469-P1-HI-A1-E 显示与操作界面

• 增强型LCD显示屏
  • 配备大尺寸、高分辨率的LCD显示屏，支持直观查看设备运行状态、参数设置及故障信息。
  • 面板集成LED状态指示灯、数字键盘、控制及编程键，操作便捷。

三、469-P1-HI-A1-E 电气参数

• 控制电源
  • 直流输入：90–300 VDC
  • 交流输入：70–265 VAC（48–62 Hz）
• 电流互感器（CT）输入
  • 标配1A相CT次级输入，支持高精度电流测量。
• 模拟输出
  • 0–1 mA或4–20 mA可选，用于远程监控或控制系统集成。

四、通信与集成能力

• 串行通信接口
  • 支持RS-232/RS-485接口，兼容Modbus RTU、DNP3等协议，实现远程监控和数据交换。
• 事件记录与诊断
  • 内置事件记录器，可存储故障信息、操作日志，支持故障诊断与分析。
• 与EnerVista软件兼容
  • 通过EnerVista软件套件，用户可实现参数配置、逻辑编程及数据集成至SCADA/HMI系统。

五、环境适应性

• 工作温度
  • -20°C至+60°C（宽温范围设计，适应不同工业环境）。
• 存储温度
  • -40°C至+85°C。
• 湿度
  • 95%（非冷凝）@ 55°C。
• 防护等级
  • 符合IP30标准，适用于室内安装。

六、机械与可靠性设计

• 抽出式结构
  • 支持快速更换和维护，减少停机时间。
• F级绝缘
  • 额定温度155°C，定子电阻温度检测器跳闸水平建议设置为140°C–155°C。
• 阻燃、防腐、防尘底盘
  • 提升设备在恶劣工业环境中的可靠性和耐用性。

七、应用领域

• 工业生产线
  • 保护关键电机设备，确保生产连续性。
• 发电厂与变电站
  • 监测发电机、变压器等设备的运行状态，提升电力系统可靠性。
• 石油、天然气、化工行业
  • 适应高温、高湿、腐蚀性环境，保障设备安全运行。

八、附加功能

• 电机启动监督
  • 监控启动间隔时间、每小时启动次数及重启时间，防止电机因频繁启动而受损。
• 相位差动保护
  • 保护电机定子绕组和供电电缆，支持6个CT外部连接或3个通量平衡CT配置。
• 热容量模型修正
  • 支持电阻式温度检测器（RTD）偏置功能，修正热模型计算，提升温度监测精度。

九、优势总结

• 全面保护：集成过载、短路、接地、过温等多重保护功能。
• 智能监控：通过通信接口实现远程监控与数据分析。
• 高可靠性：适应恶劣环境，减少维护成本。
• 易用性：增强型显示屏与EnerVista软件简化配置与故障排查。

GE Multilin 469-P1-HI-A1-E 凭借其先进的技术参数和功能设计，成为电机保护领域的可靠选择，尤其适用于对设备安全性和运行效率要求较高的工业场景。

Introduction to Technical Parameters of GE Multilin 469-P1-HI-A1-E Motor Protection Relay in Chinese

GE Multilin 469-P1-HI-A1-E is a high-performance motor protection relay designed specifically for protecting medium voltage motors. It has comprehensive protection functions and advanced communication capabilities, and is suitable for key fields such as industry, power plants, and substations. The following is an introduction to its main technical parameters and functions:

1、 469-P1-HI-A1-E core protection function
overload protection
Real time monitoring of motor current, triggering protection action immediately when the current exceeds the preset value to prevent motor damage due to overload.
Short circuit protection
Quickly detect short circuit faults in circuits, cut off power quickly, and avoid damage to motors and circuit equipment.
Earth fault protection
Detect grounding faults, promptly cut off power, and ensure safe operation of the motor.
Over Temperature Protection
Monitor the temperature of the motor and activate protection when the temperature exceeds the preset value to prevent overheating and damage.
Torque protection (optional function)
Monitor motor torque to prevent mechanical damage caused by abnormal torque.
Current imbalance correction
Automatically detect and correct three-phase current imbalance to avoid motor damage caused by current imbalance.
2、 469-P1-HI-A1-E display and operation interface
Enhanced LCD display screen
Equipped with a large-sized and high-resolution LCD display screen, it supports intuitive viewing of device operating status, parameter settings, and fault information.
The panel integrates LED status indicator lights, numeric keypad, control and programming keys for easy operation.
3、 469-P1-HI-A1-E Electrical Parameters
Control power supply
DC input: 90-300 VDC
Communication input: 70-265 VAC (48-62 Hz)
Current Transformer (CT) Input
Standard 1A phase CT secondary input, supporting high-precision current measurement.
Analog Output
0-1 mA or 4-20 mA are optional for remote monitoring or control system integration.
4、 Communication and integration capabilities
Serial communication interface
Supports RS-232/RS-485 interface, compatible with protocols such as Modbus RTU and DNP3, enabling remote monitoring and data exchange.
Event recording and diagnosis
Built in event recorder, capable of storing fault information and operation logs, supporting fault diagnosis and analysis.
Compatible with EnerVista software
Through the EnerVista software suite, users can configure parameters, program logic, and integrate data into SCADA/HMI systems.
5、 Environmental adaptability
operation temperature
-20 ° C to+60 ° C (wide temperature range design, suitable for different industrial environments).
storage temperature
-40 ° C to+85 ° C.
humidity
95% (non condensing) @ 55 ° C.
protection grade
Compliant with IP30 standard and suitable for indoor installation.
6、 Mechanical and Reliability Design
Withdrawable structure
Support quick replacement and maintenance, reducing downtime.
F-class insulation
The rated temperature is 155 ° C, and it is recommended to set the tripping level of the stator resistance temperature detector to 140 ° C-155 ° C.
Flame retardant, anti-corrosion, dustproof chassis
Improve the reliability and durability of equipment in harsh industrial environments.
7、 Application Fields
Industrial production line
Protect critical motor equipment and ensure production continuity.
Power plants and substations
Monitor the operating status of equipment such as generators and transformers to improve the reliability of the power system.
Petroleum, natural gas, and chemical industries
Adapt to high temperature, high humidity, and corrosive environments to ensure the safe operation of equipment.
8、 Additional features
Motor start-up supervision
Monitor the start-up interval, hourly start-up frequency, and restart time to prevent damage to the motor due to frequent start-up.
Phase differential protection
Protect the motor stator winding and power supply cable, supporting 6 CT external connections or 3 flux balanced CT configurations.
Revision of heat capacity model
Support bias function of resistance temperature detector (RTD), correct thermal model calculation, and improve temperature monitoring accuracy.
9、 Summary of Advantages
Comprehensive protection: integrates multiple protection functions such as overload, short circuit, grounding, and overheating.
Intelligent monitoring: Remote monitoring and data analysis are achieved through communication interfaces.
High reliability: Adapt to harsh environments and reduce maintenance costs.
Usability: Enhanced display screen and EnerVista software simplify configuration and troubleshooting.

GE Multilin 469-P1-HI-A1-E, with its advanced technical parameters and functional design, has become a reliable choice in the field of motor protection, especially suitable for industrial scenarios that require high equipment safety and operational efficiency.