GE 489-P5-HI-A20-E发电机保护继电器
1.产 品 资 料 介 绍：
中文资料：
GE 489-P5-HI-A20-E是一款数字式保护继电器，具有以下配置和功能说明：
- P5：该字母表这是一款基于GE Multilin P5平台设计的保护继电器。
- HI：该字母表示该继电器是为高压（高压）电网设计的。
- A20：该数字代表应继电器具20个模拟输入通道。
- E：该字母代表该继电器的执行器（Output）采用电气（Electrical）类。
GE 489-P5-HI-A20-E具有以下主要功能作用：
- 过电流保护：应该继续电器能足够通过电流变化检测到电网中的过电流故障，然后及时切断故障线路以保护设备。
- 过压保护：应继续电器能检测电网中的过压故障，然后及时切断故障线路以保护设备。
- 低压保护：应继续电器能检测电网中的低压故障，然后及时切断故障线路以保护设备。
- 瞬变保护：应该继续电器能够检测电网中的瞬变故障，例如短暂停过电压、短暂停负电压等，然后及时切断故障以线路保护设备。
- 地面故障保护：应该继续电器能够检测电网中的地面故障，然后及时切断故障线路以保护设备。
- 偏差保护：应该继续电器能足够检测线路中的偏差电流，以判定断路是否存在故障，并能及时切断故障线路以保护设备。
- 通信功能：应该继续电器能够通过现代通信协议与其他设备进行通信，例如Modbus、IEC 61850等。
GE 489-P5-HI-A20-E主要应用于高压电网的保护，例如变电站、发电厂、输电线线路等领域。
英文资料：
GE 489-P5-HI-A20-E is a digital protective relay with the following configuration and function description:
P5: This alphabet is a protective relay designed based on the GE Multilin P5 platform.
HI: This letter indicates that the relay is designed for high voltage (high voltage) power grids.
A20: This number represents a relay with 20 analog input channels.
E: This letter represents that the output of the relay adopts the electrical class.
GE 489-P5-HI-A20-E has the following main functional roles:
Overcurrent protection: The electrical equipment should be able to detect overcurrent faults in the power grid through current changes, and then cut off the faulty lines in a timely manner to protect the equipment.
Overvoltage protection: The electrical equipment should continue to detect overvoltage faults in the power grid, and then promptly cut off the faulty line to protect the equipment.
Low voltage protection: Electrical equipment should continue to detect low voltage faults in the power grid, and then promptly cut off the faulty lines to protect the equipment.
Transient protection: The electrical equipment should continue to be able to detect transient faults in the power grid, such as short interruptions of overvoltage, short interruptions of negative voltage, etc., and then promptly cut off the fault to protect the equipment on the line.
Ground fault protection: The electrical equipment should continue to be able to detect ground faults in the power grid, and then promptly cut off the faulty line to protect the equipment.
Deviation protection: The electrical equipment should continue to be able to detect enough deviation current in the circuit to determine whether there is a fault in the open circuit, and be able to cut off the faulty circuit in a timely manner to protect the equipment.
Communication function: The appliance should continue to be able to communicate with other devices through modern communication protocols, such as Modbus, IEC 61850, etc.
GE 489-P5-HI-A20-E is mainly used for the protection of high-voltage power grids, such as substations, power plants, transmission lines, and other fields.
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3.主 营 品 牌
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