GE P54691NH7M0760M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，专门针对3/2接线、双断路器间隔场景开发。

GE P54691NH7M0760M is MiCOM P40 Agile P546 relay for dual-breaker bays, originating from Alstom Grid, optimized for breaker-and-a-half substation schemes.

具备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、各自重合闸、分相跳闸、故障定位，光纤通道与IEC61850通讯，自带录波与事件记录，是500kV、220kV变电站主流保护备件。

It offers phase-segregated differential and sub-cycle distance backup, independent control and auto-reclose for two breakers, single-pole trip and fault locator. Fiber link and IEC61850 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：P54691NH7M0760M

• 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 control, single-pole trip, differential + distance, IEC61850, fault locator

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

Core Functions 核心功能

• 1. 双断路器独立控制，主从模式配置，两台开关可配置独立重合闸与闭锁逻辑。
  Dual breaker independent control, leader-follower mode, separate auto-reclose and blocking logic.

• 2. 分相电流差动主保护，高阻接地故障灵敏识别，CT饱和抑制，区内故障快速跳闸。
  Phase-segregated differential main protection, sensitive for high-resistance earth faults with CT saturation restraint.

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

• 4. IEC61850 GOOSE/MMS及光纤差动通道，支持点对点光纤、SDH/MPLS通道组网。
  IEC61850 GOOSE/MMS and fiber differential channel, compatible with direct fiber, SDH and MPLS links.

• 5. 内置故障录波、事件顺序记录、CT断线监视，方便运维人员故障分析排查。
  Built-in disturbance recorder, event log and CT supervision for post-fault analysis and troubleshooting.

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. 变电站母联、分段联络线路，双开关间隔安全保护与控制。
  Bus tie and section tie lines, protection and control for dual-breaker switching bays.

• 3. 海外输变电EPC项目继电保护屏成套供货，配套同系列P543备件。
  Relay panel package supply for overseas power EPC projects, paired with P543 spare units.

• 4. 存量MiCOM P40 Agile保护改造，替换故障装置，复用原有光纤通道与定值。
  Legacy MiCOM P40 Agile retrofit, replace failed relay and reuse existing fiber links and settings.

• 5. 大型石化、冶金自备电厂总降站高压送出线路保护。
  HV outgoing line protection for large petrochemical and metallurgy self-owned power plants.

FAQ 常见问答

Similar Models 相似型号

P54391AC7M0760M

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P54691NH7M0761M