GE 469-P5-HI-A20-E-H Motor Management Relay

• Protection Functions: Provides a full suite of protective relaying functions including overcurrent, differential, reverse power, loss of excitation, and thermal overload protection.
• I/O Capacity: Includes configurable digital inputs and outputs for status monitoring, alarm signaling, and control logic execution.
• Measurement Accuracy: Offers high-precision measurement of electrical parameters such as voltage, current, power, frequency, and power factor, typically within ±0.5% accuracy.
• Environmental Tolerance: Operates reliably in industrial environments with operating temperature ranges from -20°C to +70°C and high immunity to electrical noise and transient disturbances.

Function Features:

• Generator Protection: The 469-P5-HI-A20-E-H delivers comprehensive protection for three-phase generators, preventing damage due to electrical faults and abnormal operating conditions.
• Programmable Logic: Supports user-defined logic via the GE Multilin SManager software, allowing customization of protection schemes and control sequences.
• Event Recording: Features sequence of events (SOE) recording with time stamping accuracy of 1 millisecond, enabling detailed fault analysis and system diagnostics.
• Metering and Monitoring: Continuously monitors generator performance parameters and provides real-time data for operational oversight and energy management.
• Human-Machine Interface: Incorporates a built-in display and keypad for local access to settings, measurements, and event logs, reducing dependency on external systems for routine checks.
• Cyber Security: Includes password protection and configurable access levels to prevent unauthorized changes to critical settings.

Applications:

• Power Plants: Widely used in hydroelectric, thermal, and gas turbine power stations for protecting generator sets.
• Industrial Facilities: Applied in large industrial complexes with on-site power generation, such as refineries, manufacturing plants, and data centers.
• Renewable Energy: Deployed in wind farms and biomass plants where generator protection is essential for grid compliance and equipment safety.
• Backup Power Systems: Utilized in hospitals, airports, and critical infrastructure to ensure reliability of standby and emergency power generators.
• Grid Interconnection: Supports safe synchronization and protection of generators connected to utility grids, complying with IEEE and IEC protection standards.