GE P54391AC7M0760M为MiCOM P40 Agile系列P543线路差动保护继电器，源自原Alstom电网产品线，面向高压、超高压架空线路及电力电缆主保护。

GE P54391AC7M0760M is MiCOM P40 Agile P543 numerical line differential relay, inherited from Alstom Grid, serving as main protection for HV/EHV overhead lines and power cables.

集成电流差动、短周期距离保护、定向接地故障、断路器失灵保护、重合闸与同期检核功能，支持光纤直连与IEC61850冗余以太网，自带故障录波与事件记录，是变电站输电线路保护主流备件。

It integrates differential, sub-cycle distance, earth fault, breaker failure, auto-reclose and synch check. Fiber link and IEC61850 redundant Ethernet are supported with built-in fault recorder for substation line protection.

Main Specifications 技术参数

• 1. Product Series / 产品系列：GE MiCOM P40 Agile Protection Relay

• 2. Part Numbers / 型号编码：P54391AC7M0760M

• 3. Function Type / 类型：Line Differential Protection Relay 线路差动保护装置

• 4. Key Features / 特性：Current differential, distance protection, IEC61850, fiber comm, fault recording

• 5. Compatibility / 配套：CT/PT, MiCOM engineering software, substation SCADA system

Core Functions 核心功能

• 1. 高速电流差动主保护，对全线故障快速识别跳闸，不受负荷电流与过渡电阻影响。
  High-speed current differential main protection, fast trip for whole-line faults, immune to load and fault resistance.

• 2. 多后备保护集成，距离保护、定向接地故障、断路器失灵、自动重合闸逻辑。
  Multiple backup protection: distance, directional earth fault, breaker failure and auto-reclose functions.

• 3. 光纤通道点对点通讯，两端保护同步采样，实现长距离线路差动方案。
  Point-to-point fiber communication, synchronized sampling for long-distance transmission line differential.

• 4. IEC61850标准通讯，冗余网口，支持GOOSE、MMS，接入变电站综合自动化系统。
  IEC61850 with redundant Ethernet, GOOSE/MMS for substation automation integration.

• 5. 故障录波与事件日志，可自定义逻辑编程，方便故障复盘与保护逻辑定制。
  Disturbance recording and event log, user configurable logic for fault analysis and customization.

Application Scenarios 应用场景

• 1. 电网高压、超高压变电站输电线路主保护，线路相间及接地故障快速切除。
  Main protection for HV/EHV substation transmission lines, clear phase and earth faults rapidly.

• 2. 厂矿自备电站、石化总降变电站，电源联络电缆与架空线保护。
  On-site power plants and petrochemical substations, protection for tie cables and overhead feeders.

• 3. 海外电力EPC输变电项目，成套继电保护屏配套备件供货。
  Spare supply for overseas power EPC transmission and substation relay panel packages.

• 4. 存量MiCOM P40 Agile保护系统维护，替换故障装置，复用原有定值与通道。
  Maintenance of legacy MiCOM P40 Agile systems, replace failed unit and reuse settings and fiber links.

• 5. 新能源汇集站送出线路保护，风电光伏基地外送线路差动保护配置。
  Protection for renewable energy collector station outgoing lines, wind and solar farm transmission feeders.

FAQ 常见问答

Similar Models 相似型号

P545

P546

P143

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