Description
The 489-P5-HI-A20-E is a sophisticated generator management relay manufactured by GE Multilin, part of the 489 Series known for advanced protection and control capabilities in power generation applications. Below are its key technical parameters and features:
1. 489-P5-HI-A20-EDisplay & Interface
- Enhanced LCD Display:
- Larger and higher-resolution screen compared to the base model, improving readability and user interaction.
- Intuitive menu-driven interface for easy configuration and monitoring.
2. 489-P5-HI-A20-EPower Supply & Voltage Ratings
- Control Power Input:
- DC Voltage: 90–300 VDC
- AC Voltage: 70–265 VAC (48–62 Hz)
- Designed for high-voltage applications, ensuring reliable operation in demanding power systems.
3.489-P5-HI-A20-E Protection & Control Functions
- Comprehensive Protection:
- Overcurrent, Overvoltage, Undervoltage, Reverse Power, Frequency, and Differential Protection
- Loss of Excitation (LOE), Out-of-Step, and Underfrequency Protection
- Advanced Generator Protection Algorithms for synchronous and induction machines.
- Control Features:
- Breaker Failure Detection & Auto-Reclosing
- Voltage Regulator Control & Power Factor Correction
- Synchronizing & Load Shedding Capabilities
4. Input/Output (I/O) Configuration
- Current Transformers (CTs):
- 5A Phase CT Secondary Inputs (standard for high-current measurements).
- Analog Outputs:
- 4–20 mA Output for monitoring or control purposes.
- Digital Inputs/Outputs (DI/DO):
- Configurable for status monitoring and control commands.
- Communication Ports:
- RS-232/RS-485 Serial Communication
- Modbus RTU/DNP3 Protocol Support for integration with SCADA/EMS systems.
5. Software & Configuration
- EnerVista 489 Setup Software:
- User-Friendly Configuration Tool for setting protection parameters, logic, and communication settings.
- Real-Time Monitoring & Event Logging for diagnostics and troubleshooting.
- Firmware Upgrades & Remote Configuration via the software.
6. Environmental & Mechanical Specifications
- Operating Temperature: -20°C to +60°C (standard, no harsh environment coating).
- Storage Temperature: -40°C to +85°C.
- Humidity: 5–95% non-condensing.
- Enclosure Rating: IP30 (indoor use, not suitable for extreme environments without additional protection).
7. Approvals & Standards
- Compliance with IEC 60255, IEEE C37.2, IEEE C37.90, and Other Relevant Standards
- UL, CE, and cUL Listed (depending on regional requirements).
8. Applications
- Power Generation Plants (Hydro, Thermal, Gas, Renewable)
- Industrial & Utility Substations
- Cogeneration & Distributed Generation Systems
Summary of Strengths
- High-Voltage Operation: Suitable for medium- to high-voltage power systems.
- Advanced Protection & Control: Comprehensive features for generator reliability.
- User-Friendly Interface: Enhanced display and EnerVista software simplify configuration.
- Scalable Communication: Supports integration with modern control systems.
Limitations
- No Harsh Environment Coating: May require additional protection in extreme conditions (dust, moisture, chemicals).
- Indoor Use Only: Not designed for outdoor or hazardous locations without enclosure modifications.
The 489-P5-HI-A20-E is an ideal choice for critical power generation applications where robust protection, precise control, and ease of use are essential. However, for harsh environments, additional protective measures or a different model (e.g., with conformal coating) should be considered.
Would you like further details on specific protection functions, communication protocols, or comparison with other GE Multilin relays?
489-P5-HI-A20-E是由GE Multilin制造的复杂发电机管理继电器,是489系列的一部分,以发电应用中的先进保护和控制能力而闻名。以下是其主要技术参数和特点:
1.显示和界面
增强型液晶显示器:
与基本型号相比,屏幕更大、分辨率更高,提高了可读性和用户交互。
直观的菜单驱动界面,便于配置和监控。
2.电源和电压额定值
控制电源输入:
直流电压:90–300 VDC
交流电压:70–265伏交流电(48–62赫兹)
专为高压应用而设计,确保在要求苛刻的电力系统中可靠运行。
3.保护和控制功能
全面保护:
过电流、过电压、欠电压、逆功率、频率和差动保护
失磁(LOE)、失步和欠频保护
同步和感应电机的先进发电机保护算法。
控制功能:
断路器故障检测和自动重合闸
电压调节器控制和功率因数校正
同步和减载能力
4.输入/输出(I/O)配置
电流互感器(CT):
5A相CT二次输入(大电流测量标准)。
模拟输出:
4-20mA输出,用于监测或控制目的。
数字输入/输出(DI/DO):
可配置状态监测和控制命令。
通信端口:
RS-232/RS-485串行通信
Modbus RTU/DNP3协议支持与SCADA/EMS系统集成。
5.软件和配置
EnerVista 489安装软件:
用户友好的配置工具,用于设置保护参数、逻辑和通信设置。
用于诊断和故障排除的实时监控和事件记录。
通过软件进行固件升级和远程配置。
6.环境和机械规范
工作温度:-20°C至+60°C(标准,无恶劣环境涂层)。
储存温度:-40°C至+85°C。
湿度:5-95%不凝结。
外壳等级:IP30(室内使用,不适合没有额外保护的极端环境)。
7.489-P5-HI-A20-E批准和标准
符合IEC 60255、IEEE C37.2、IEEE C37.90和其他相关标准
UL、CE和cUL认证(取决于地区要求)。
8.应用
发电厂(水力、火力、天然气、可再生能源)
工业和公用事业变电站
热电联产和分布式发电系统
优势概述
高压运行:适用于中高压电力系统。
先进的保护和控制:发电机可靠性的综合功能。
用户友好界面:增强的显示和EnerVista软件简化了配置。
可扩展通信:支持与现代控制系统的集成。
局限性
无恶劣环境涂层:在极端条件下(灰尘、水分、化学物质)可能需要额外的保护。
仅供室内使用:未经外壳修改,不适用于室外或危险场所。
489-P5-HI-A20-E是关键发电应用的理想选择,在这些应用中,强大的保护、精确的控制和易用性至关重要。然而,对于恶劣的环境,应考虑采取额外的保护措施或采用不同的模型(例如,采用保形涂层)。
您想了解有关特定保护功能、通信协议或与其他GE Multilin继电器比较的更多详细信息吗?
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