描述
产品细节说明:SR489-P5-LO-A20-E GE 发电机管理继电器
- 发电机保护:
- 提供全面的发电机保护功能,包括差动保护、100%定子接地保护、接地方向过流保护、负序过流保护、高整定值过电流保护、低电压闭锁过流保护、过/低电压保护、过/低频率保护、距离保护和逆功率保护等。
- 配备大量DSP(数据处理芯片)及1、2个CPU,数据处理由DSP完成,CPU仅进行逻辑判断,提高运算速度和集成度。
- 监测与测量:
- 涵盖电流有效值、负序电流、电压、三相功率和12个RTD温度输入量的监视。
- 模拟输入支持4-20mA、0-20mA或0-1mA,并可设置最小、最大值及单位,具有阻塞、低于或超过阈值、跳闸或报警、延迟等功能。
- 显示与操作:
- 具有一个40个字符的显示屏,允许用户查看值消息、诊断和设置点。
- 前面板包括多个状态LED、输入按钮、数字键盘、输入端口和用于读取设备位置信息的LCD屏幕,便于用户查看和操作继电器的状态和功能。
- 通信与接口:
- 后面板包括十二个RTD输入、六个输出继电器、两个RS485通信端口和四个VT输入。
- 通信端口支持ModbusRTU或DNP 3.0协议(或两者),最高可达19200 bps。
- 还包括四个隔离的4-20 mA模拟输入和输出以及七个可分配的数字输入。
- 电气参数:
- 继电器可以在25、50或60赫兹下运行,频率参数范围为0.00到90.00 Hz。
- 零线电压(第3个)参数范围为0至25000 V,功率因数参数范围为0.01至1.00超前/滞后,无功功率(Mvar)参数范围是额定电压的-2.00至2.00倍。
- 设计与安装:
- 结构紧凑、体积小巧,易于安装和维护。
- 装运重量约为10千克(近似值),尺寸为21.6厘米(长)×22.4厘米(宽)×25.2厘米(高)。
产品详情参数 :SR489-P5-LO-A20-E GE 发电机管理继电器
- 扩展接口:虽然直接关于SR489-P5-LO-A20-E的扩展接口信息有限,但类似产品可能包含如PCI-104插槽等用于多功能应用扩展的接口。
- 可靠性与寿命:具有高可靠性、长寿命的特点,能够保持发电机的稳定运行,提高发电效率。
SR489-P5-LO-A20-E GE 应用领域:
SR489-P5-LO-A20-E是一款功能全面、技术成熟的发电机管理继电器,适用于各种发电机管理和保护应用。其强大的保护功能、丰富的监测与测量功能、便捷的显示与操作界面以及灵活的通信与接口设计,使得该产品在工业自动化领域具有广泛的应用前景。
Product details: SR489-P5-LO-A20-E GE Generator Management Relay
Generator protection:
Provide comprehensive generator protection functions, including differential protection, 100% stator grounding protection, grounding direction overcurrent protection, negative sequence overcurrent protection, high setting overcurrent protection, low voltage lockout overcurrent protection, over/low voltage protection, over/low frequency protection, distance protection, and reverse power protection.
Equipped with a large number of DSP (data processing chips) and 1 or 2 CPUs, the data processing is completed by the DSP, and the CPU only performs logical judgments to improve computational speed and integration.
Monitoring and measurement:
Monitoring covering effective current value, negative sequence current, voltage, three-phase power, and 12 RTD temperature inputs.
Analog input supports 4-20mA, 0-20mA, or 0-1mA, and can be set with minimum, maximum values, and units. It has functions such as blocking, below or exceeding threshold, tripping or alarm, delay, etc.
Display and operation:
A 40 character display screen that allows users to view value messages, diagnostics, and set points.
The front panel includes multiple status LEDs, input buttons, numeric keyboards, input ports, and LCD screens for reading device location information, making it easy for users to view and operate the status and functions of relays.
Communication and Interface:
The rear panel includes twelve RTD inputs, six output relays, two RS485 communication ports, and four VT inputs.
The communication port supports ModbusRTU or DNP 3.0 protocol (or both), up to 19200 bps.
It also includes four isolated 4-20 mA analog inputs and outputs, as well as seven assignable digital inputs.
Electrical parameters:
The relay can operate at 25, 50, or 60 Hz, with frequency parameters ranging from 0.00 to 90.00 Hz.
The parameter range for zero line voltage (3rd) is 0 to 25000 V, the power factor parameter range is 0.01 to 1.00 lead/lag, and the reactive power (Mvar) parameter range is -2.00 to 2.00 times the rated voltage.
Design and installation:
Compact structure, compact size, easy to install and maintain.
The shipping weight is approximately 10 kilograms (approximately), with dimensions of 21.6 centimeters (length) x 22.4 centimeters (width) x 25.2 centimeters (height).
Product details parameters: SR489-P5-LO-A20-E GE generator management relay
Expansion Interface: Although there is limited information about the expansion interface directly related to SR489-P5-LO-A20-E, similar products may include interfaces such as PCI-104 slots for multifunctional application expansion.
Reliability and lifespan: It has the characteristics of high reliability and long lifespan, which can maintain the stable operation of the generator and improve power generation efficiency.
SR489-P5-LO-A20-E GE application areas:
SR489-P5-LO-A20-E is a comprehensive and technologically mature generator management relay suitable for various generator management and protection applications. Its powerful protection functions, rich monitoring and measurement functions, convenient display and operation interface, and flexible communication and interface design make this product have broad application prospects in the field of industrial automation.
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