GE Multilin 469-P1-HI-A20-E-H

Description

469-P1-HI-A20-E-H 中压/大型电机保护管理继电器技术参数中文介绍

产品概述
469-P1-HI-A20-E-H 是通用电气（GE）Multilin 469 系列电机保护继电器中的一款HI控制电源型号，专为中压至大型电机的保护与控制设计。该继电器采用宽范围电源输入（90-300 VDC 或 70-265 VAC，48-62 Hz），并配备大尺寸LCD显示屏和三防涂层（Conformal Coating），适用于恶劣工业环境。

---

1. 469-P1-HI-A20-E-H  核心电源参数

• 直流电源（DC）：
  • 输入范围：90-300 VDC
  • 适用场景：直流供电系统或备用电源场景
• 交流电源（AC）：
  • 输入范围：70-265 VAC
  • 频率范围：48-62 Hz（兼容全球电网频率波动）
• 功耗：
  • 典型值：<15 W（低功耗设计，减少发热）

---

2. 469-P1-HI-A20-E-H  电机保护功能

• 启动与运行保护：
  • 过载保护（热过载模型，符合IEC 60255-8标准）
  • 堵转保护（电流阈值可设定，时间-电流曲线灵活配置）
  • 欠载/空载保护（适用于泵类或风机负载）
• 故障检测：
  • 相不平衡保护（检测电压/电流不平衡度）
  • 接地故障保护（可配置高阻或低阻接地系统）
  • 负序电流保护（检测反向旋转分量，防止电机反转）
• 电压与频率保护：
  • 过压/欠压保护（电压阈值可设定，延时动作）
  • 过频/欠频保护（适用于变频器驱动电机）

---

3. 显示与用户界面

• 大尺寸LCD显示屏：
  • 分辨率：128×64像素，支持中文/英文菜单
  • 显示内容：实时测量值（电流、电压、功率等）、故障记录、事件日志
  • 背光控制：可调亮度，支持自动关闭功能
• 三防涂层（Conformal Coating）：
  • 防护等级：IP20（涂层增强防潮、防尘、防腐蚀性能）
  • 适用环境：高温高湿、盐雾、化学腐蚀等恶劣工业场景

---

4. 输入/输出配置

• 模拟量输入：
  • 3路电流输入（5A或1A可选，支持CT二次侧直接接入）
  • 3路电压输入（100V或57.7V可选，支持PT二次侧直接接入）
  • 2路4-20mA模拟量输入（可外接温度传感器或压力传感器）
• 数字量输入：
  • 8路可编程数字输入（支持干接点或NPN/PNP晶体管信号）
• 继电器输出：
  • 6路可编程继电器输出（触点容量：250 VAC/30 VDC，5A）
  • 输出功能：跳闸、报警、控制信号等
• 通信接口：
  • RS-485（Modbus RTU协议）
  • 以太网（可选Modbus TCP/IP或DNP3协议）
  • USB接口（用于参数配置或固件升级）

---

5. 事件记录与诊断

• 事件记录：
  • 存储容量：支持1000条事件记录（带时间戳）
  • 记录类型：故障事件、操作事件、通信事件等
• 故障录波：
  • 采样率：128点/周期（50Hz时为2.56kHz）
  • 录波长度：可配置为故障前2周期至故障后8周期
• 自诊断功能：
  • 硬件自检（电源、CPU、内存、通信模块）
  • 传感器故障检测（CT/PT断线、极性反接报警）

---

6. 环境适应性

• 工作温度：
  • 运行范围：-20°C至+60°C（无降容）
  • 存储范围：-40°C至+85°C
• 湿度：
  • 5%至95%（无冷凝）
• 振动与冲击：
  • 符合IEC 60068-2-6（振动）和IEC 60068-2-27（冲击）标准
• 电磁兼容性（EMC）：
  • 静电放电（ESD）：IEC 61000-4-2，4级
  • 辐射抗扰度（RS）：IEC 61000-4-3，3级
  • 浪涌抗扰度（Surge）：IEC 61000-4-5，4级

---

7. 认证与标准

• 国际认证：
  • UL、cUL、CE、CCC
• 行业标准：
  • IEC 60255系列（继电器保护标准）
  • IEEE C37.90（电力继电器标准）
  • GB/T 14598（中国国家标准）

---

8. 典型应用场景

• 石油化工行业：
  • 泵类电机、压缩机电机保护
• 冶金行业：
  • 轧机电机、风机电机保护
• 电力行业：
  • 水电站/火电站辅机电机保护
• 基础设施：
  • 地铁牵引电机、机场行李系统电机保护

---

总结

469-P1-HI-A20-E-H 继电器凭借其宽范围电源输入、高防护等级、丰富的保护功能以及灵活的通信能力，成为中压至大型电机保护领域的理想选择。其三防涂层设计显著提升了在恶劣环境下的可靠性，而大尺寸LCD显示屏则简化了现场操作与维护。

如需进一步了解参数配置或具体应用方案，建议参考《GE Multilin 469系列电机保护继电器技术手册》或联系GE官方技术支持。

Introduction to Technical Parameters of 469-P1-HI-A20-E-H Medium Voltage/Large Motor Protection and Management Relay in Chinese

product overview
469-P1-HI-A20-E-H is a HI control power supply model in the General Electric (GE) Multilin 469 series motor protection relays, designed specifically for the protection and control of medium voltage to large motors. This relay adopts a wide range power input (90-300 VDC or 70-265 VAC, 48-62 Hz), and is equipped with a large-sized LCD display screen and conformal coating, suitable for harsh industrial environments.

1. Core power parameters
Direct current power supply (DC):
Input range: 90-300 VDC
Applicable scenarios: DC power supply system or backup power supply scenario
AC power supply:
Input range: 70-265 VAC
Frequency range: 48-62 Hz (compatible with global grid frequency fluctuations)
power waste:
Typical value:<15 W (low-power design, reducing heat generation)
2. Motor protection function
Startup and operation protection:
Overload protection (thermal overload model, compliant with IEC 60255-8 standard)
Locking protection (current threshold can be set, time current curve can be flexibly configured)
Underload/no-load protection (applicable to pump or fan loads)
Fault detection:
Phase imbalance protection (detecting voltage/current imbalance)
Ground fault protection (can be configured with high resistance or low resistance grounding system)
Negative sequence current protection (detects reverse rotation component to prevent motor reversal)
Voltage and frequency protection:
Overvoltage/undervoltage protection (voltage threshold can be set, delayed action)
Over frequency/under frequency protection (applicable to variable frequency drive motors)
3. Display and User Interface
Large LCD display screen:
Resolution: 128 × 64 pixels, supports Chinese/English menus
Display content: real-time measurement values (current, voltage, power, etc.), fault records, event logs
Backlight control: adjustable brightness, supports automatic shutdown function
Conform Coating:
Protection level: IP20 (coating enhances moisture, dust, and corrosion resistance)
Applicable environment: harsh industrial scenarios such as high temperature and humidity, salt spray, chemical corrosion, etc
4. Input/output configuration
Analog input:
3-channel current input (5A or 1A optional, supporting direct connection to CT secondary side)
3-channel voltage input (100V or 57.7V optional, supporting direct connection to PT secondary side)
2-channel 4-20mA analog input (can be connected to external temperature or pressure sensors)
Digital input:
8 programmable digital inputs (supporting dry contacts or NPN/PNP transistor signals)
Relay output:
6-way programmable relay output (contact capacity: 250 VAC/30 VDC, 5A)
Output functions: trip, alarm, control signal, etc
Communication interface:
RS-485 (Modbus RTU protocol)
Ethernet (optional Modbus TCP/IP or DNP3 protocol)
USB interface (for parameter configuration or firmware upgrade)
5. Event recording and diagnosis
Event record:
Storage capacity: Supports 1000 event records (with timestamps)
Record types: fault events, operation events, communication events, etc
Fault recording:
Sampling rate: 128 points per cycle (2.56kHz at 50Hz)
Recording length: configurable from 2 cycles before the fault to 8 cycles after the fault
Self diagnostic function:
Hardware self-test (power supply, CPU, memory, communication module)
Sensor fault detection (CT/PT disconnection, polarity reversal alarm)
6. Environmental adaptability
Working temperature:
Operating range: -20 ° C to+60 ° C (without derating)
Storage range: -40 ° C to+85 ° C
Humidity:
5% to 95% (non condensing)
Vibration and impact:
Compliant with IEC 60068-2-6 (vibration) and IEC 60068-2-27 (impact) standards
Electromagnetic compatibility (EMC):
Electrostatic Discharge (ESD): IEC 61000-4-2, Level 4
Radiated Immunity (RS): IEC 61000-4-3, Level 3
Surge immunity: IEC 61000-4-5, Level 4
7. Certification and Standards
International certification:
UL、cUL、CE、CCC
Industry standards:
IEC 60255 series (relay protection standard)
IEEE C37.90 (Power Relay Standard)
GB/T 14598 (Chinese National Standard)
8. Typical application scenarios
Petrochemical industry:
Pump motor and compressor motor protection
Metallurgical industry:
Protection of rolling mill motor and fan motor
Power industry:
Protection of auxiliary motors in hydropower/thermal power plants
infrastructure:
Subway traction motor, airport luggage system motor protection
summarize
The 469-P1-HI-A20-E-H relay is an ideal choice for medium voltage to large motor protection due to its wide range of power input, high protection level, rich protection functions, and flexible communication capabilities. The three proof coating design significantly improves reliability in harsh environments, while the large-sized LCD display simplifies on-site operation and maintenance.

For further information on parameter configuration or specific application solutions, it is recommended to refer to the “GE Multilin 469 Series Motor Protection Relay Technical Manual” or contact GE’s official technical support.