GE P54691NL6M0760M属于MiCOM P40 Agile P546双断路器线路差动保护装置，源自原Alstom电网产品线，专门面向3/2断路器接线的超高压出线间隔。

GE P54691NL6M0760M is MiCOM P40 Agile P546 relay for breaker-and-a-half bays, originating from Alstom Grid, dedicated for EHV transmission line bays.

配置分相电流差动主保护、子周期距离后备保护，支持两台断路器独立控制、分相跳闸、故障测距与同期检功能，兼容光纤纵差通道与IEC61850冗余以太网，自带录波和事件记录，是国内及海外EHV变电站主流保护备件。

It has phase-segregated differential and sub-cycle distance backup, independent breaker control, single-pole trip, fault locator and synch check. Fiber link and IEC61850 redundant Ethernet with disturbance recorder for EHV substation 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：P54691NL6M0760M

• 3. Function Type / 类型：Dual Breaker Line Differential Relay 双断路器线路差动保护装置

• 4. Key Features / 特性：2-breaker independent control, phase segregated differential, IEC61850, fault recorder

• 5. Compatibility / 配套：CT/PT, MiCOM S1 Agile software, substation SCADA system

Core Functions 核心功能

• 1. 分相电流差动主保护，带暂态偏置抑制CT饱和，高阻接地故障灵敏检测。
  Phase-segregated differential main protection with transient bias, CT saturation restraint and sensitive high resistance earth fault detection.

• 2. 双断路器主从逻辑，两台开关配置独立重合闸、闭锁、同期合闸逻辑。
  Leader-follower dual breaker logic, separate auto-reclose, blocking and synchronism close for each breaker.

• 3. 多段距离后备保护、断路器失灵保护、故障测距一体化集成配置。
  Integrated backup protection: multi-zone distance, breaker failure protection and fault location function.

• 4. IEC61850 GOOSE/MMS，支持PRP/HSR冗余组网，InterMiCOM光纤纵差通讯。
  IEC61850 GOOSE/MMS with PRP/HSR, InterMiCOM protocol for fiber teleprotection channel.

• 5. 内置扰动录波、事件顺序记录、CT回路监视，方便故障复盘与回路巡检。
  Built-in disturbance recorder, event sequence log and CT supervision for post-fault analysis and routine check.

Application Scenarios 应用场景

• 1. 220kV、500kV变电站3/2断路器接线出线间隔主保护配置。
  Main protection for 220kV / 500kV breaker-and-a-half transmission bays in EHV substations.

• 2. 大型石化、冶金自备电站总降站高压联络线、电缆出线保护。
  HV tie line and cable feeder protection for large petrochemical and metallurgy captive power plants.

• 3. 海外输变电EPC项目继电保护屏成套供货，配套P543、P545备件。
  Relay panel package supply for overseas power EPC projects, matched with P543 and P545 spares.

• 4. 存量MiCOM P40 Agile保护系统改造更换，复用原有光纤通道与保护定值。
  Legacy MiCOM P40 Agile retrofit, replace failed relay and reuse fiber links and setting files.

• 5. 新能源汇集站送出超高压线路保护，风电光伏基地远距离输电差动保护。
  EHV outgoing line protection for renewable energy collector stations, long-distance transmission differential protection.

FAQ 常见问答

Similar Models 相似型号

P54691NH7M0760M

P54391AC7M0760M

P545

P544

P54691NL6M0761M