GE Multilin 489-P5-HI-A20-E-H

Description

The 489-P5-HI-A20-E-H is a specialized protection relay designed by GE Multilin for demanding industrial environments, combining an enhanced display, harsh environmental coating, and 5A phase CT secondaries. Below is a breakdown of its technical parameters and key features:

1. 489-P5-HI-A20-E-H Core Technical Parameters

• Phase Current Transformers (CTs):
  • Secondary Current Rating: 5A (standard for most protection relays, ensuring compatibility with common CT ratios).
  • Accuracy & Burden: Likely meets IEC/IEEE standards for protection-class CTs (e.g., Class 5P or 10P accuracy).
• Voltage Inputs:
  • Control Power: 90–300 VDC and 70–265 VAC (48–62 Hz), enabling flexible power supply options.
  • Voltage Transformers (VTs): Built-in monitoring for VT fuse failure, ensuring reliable voltage sensing.
• Analog Output:
  • 4–20 mA Signal: Standard for transmitting process variables (e.g., current, voltage) to SCADA or PLC systems.
• Environmental Rating:
  • Harsh Environmental Coating: Protects against corrosion, moisture, dust, and extreme temperatures (e.g., NEMA 4X/IP66 or higher).
  • Operating Temperature Range: Typically -40°C to +70°C (extended range for harsh environments).

2. 489-P5-HI-A20-E-H Protection & Monitoring Functions

• Trip & Alarm Protection:
  • Configurable protection logic for overcurrent, underfrequency, overvoltage, etc.
  • Multiple trip stages (e.g., instantaneous, time-delayed) with adjustable settings.
• Breaker Failure Detection:
  • Monitors circuit breaker status to detect failed trips and initiate backup protection.
• Metering & Monitoring:
  • Real-time measurement of RMS current, voltage, power, and energy.
  • Event logging and fault recording for post-mortem analysis.
• Flash Memory & Data Storage:
  • Non-volatile memory for storing configuration, settings, and event logs.
• Trip Coil Monitoring:
  • Verifies proper operation of trip coils to prevent misoperation.

3. 489-P5-HI-A20-E-H Display & User Interface

• Enhanced LCD Display:
  • Larger screen compared to the base 489-P5-HI-A20 model, improving readability and navigation.
  • Multi-language support, status indicators, and configurable menus.
• Front-Panel Controls:
  • Buttons for local configuration, testing, and resetting alarms.

4. Communication & Integration

• Modbus/DNP3 Protocols:
  • Enables remote monitoring and control via SCADA/HMI systems.
• Enervista 489PC Software:
  • PC-based tool for configuration, firmware updates, and real-time data visualization.

5. Mechanical & Electrical Specifications

• Enclosure:
  • Draw-out design (SR489-CASE) for easy maintenance and replacement.
  • Ruggedized construction for shock/vibration resistance (e.g., MIL-STD-810 compliance).
• Power Consumption:
  • Low power operation (e.g., <10 W at full load) for energy efficiency.
• Insulation & Dielectric Strength:
  • High voltage withstand (e.g., 2.5 kV AC for 1 minute) between terminals and ground.

6. Certifications & Compliance

• Approvals:
  • UL, CE, IEC 61850, IEEE C37.90 (for protection relays).
  • Compliance with marine/offshore standards (e.g., DNV GL, ABS) if used in those sectors.

Applications

• Industries:
  • Oil & gas, mining, renewable energy (wind/solar farms), marine, and utilities.
• Use Cases:
  • Generator protection, motor control centers (MCCs), substation automation, and critical infrastructure.

Summary

The 489-P5-HI-A20-E-H stands out as a ruggedized, feature-rich protection relay with:
✅ 5A phase CT secondaries for accurate current sensing.
✅ Harsh environmental coating for reliability in extreme conditions.
✅ Advanced protection, metering, and communication capabilities.
✅ Enhanced display for easier operation.

This model is ideal for applications where reliability, durability, and precise control are critical. For exact specifications, refer to GE Multilin’s official datasheet or contact their technical support.

489-P5-HI-A20-E-H是GE Multilin为苛刻的工业环境设计的专用保护继电器，结合了增强的显示器、恶劣的环境涂层和5A相CT二次线圈。以下是其技术参数和主要特征的细分：

1.核心技术参数
相电流互感器（CT）：
二次电流额定值：5A（大多数保护继电器的标准，确保与常见CT比率的兼容性）。
精度和负载：可能符合IEC/IEEE保护等级CT标准（例如，5P或10P精度）。
电压输入：
控制电源：90–300 VDC和70–265 VAC（48–62 Hz），提供灵活的电源选项。
电压互感器（VT）：内置VT保险丝故障监测，确保可靠的电压传感。
模拟输出：
4-20mA信号：用于将过程变量（如电流、电压）传输到SCADA或PLC系统的标准。
环境评级：
恶劣环境涂层：防止腐蚀、潮湿、灰尘和极端温度（例如NEMA 4X/IP66或更高）。
工作温度范围：通常为-40°C至+70°C（恶劣环境下的扩展范围）。
2.保护和监控功能
跳闸和报警保护：
过电流、欠频率、过电压等的可配置保护逻辑。
具有可调设置的多个行程阶段（例如，瞬时、延时）。
断路器故障检测：
监控断路器状态，以检测故障跳闸并启动后备保护。
计量与监控：
RMS电流、电压、功率和能量的实时测量。
用于事后分析的事件记录和故障记录。
闪存和数据存储：
用于存储配置、设置和事件日志的非易失性存储器。
跳闸线圈监测：
验证跳闸线圈的正确操作，以防止误操作。
3.显示和用户界面
增强型液晶显示器：
与基本型号489-P5-HI-A20相比，屏幕更大，提高了可读性和导航性。
多语言支持、状态指示器和可配置菜单。
前面板控制：
用于本地配置、测试和重置警报的按钮。
4.沟通与整合
Modbus/DNP3协议：
通过SCADA/HMI系统实现远程监控。
Enervista 489PC软件：
基于PC的工具，用于配置、固件更新和实时数据可视化。
5.机械和电气规范
圈地：
抽出式设计（SR489-CASE）便于维护和更换。
坚固的结构，具有抗冲击/振动性能（例如，符合MIL-STD-810标准）。
功耗：
低功率运行（例如，满载时<10 W）以提高能源效率。
绝缘和介电强度：
端子和地面之间的高压耐受性（例如，2.5 kV AC持续1分钟）。
6.认证与合规
批准：
UL、CE、IEC 61850、IEEE C37.90（用于保护继电器）。
如果在这些领域使用，则符合海洋/海上标准（如DNV GL、ABS）。
应用
行业：
石油和天然气、采矿、可再生能源（风能/太阳能发电场）、海洋和公用事业。
使用案例：
发电机保护、电机控制中心（MCC）、变电站自动化和关键基础设施。
总结
489-P5-HI-A20-E-H是一款坚固耐用、功能丰富的保护继电器，具有：
✅ 5A相CT次级线圈，用于精确电流传感。
✅ 耐恶劣环境涂层，在极端条件下具有可靠性。
✅ 先进的保护、计量和通信功能。
✅ 增强显示，便于操作。

该模型非常适合可靠性、耐用性和精确控制至关重要的应用。有关确切规格，请参阅GE Multilin的官方数据表或联系他们的技术支持。