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The ABB PP D117 A 3BHE030410R3011 PPD117A3011 is an Excitation Controller Module from ABB's Relion® 670 series, specifically designed for generator excitation control and protection. It is part of ABB's PP-D117 product line, providing advanced regulation and monitoring for synchronous generator field excitation systems.
Key Features & Functions
Excitation Control
Automatic Voltage Regulation (AVR) – Maintains stable generator terminal voltage.
Field Current Control – Manual/auto modes for precise excitation adjustment.
Power System Stabilizer (PSS) – Enhances grid stability by damping oscillations.
Generator Protection Integration
Over/Under Excitation (24/40) – Protects against field winding overcurrent or loss of excitation.
Field Ground Fault Detection (64F) – Monitors insulation integrity in the rotor circuit.
Voltage/Frequency Protection (27/59, 81O/81U) – Prevents damage from abnormal grid conditions.
Monitoring & Diagnostics
Communication & SCADA Integration
Protocols: IEC 61850, Modbus, DNP3, Profibus
Hardware Interfaces: Ethernet, RS485, fiber optic (optional)
Redundancy & Reliability
Applications
Hydro/Gas/Steam Turbine Generators
Industrial Synchronous Motors
Grid-Connected Renewable Energy Plants
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