ABB PPD512A10-150000 3BHE040375R1023 Excitation Control Module – Key Functions
1. Generator Excitation Control
Regulates field current in synchronous generators to maintain stable terminal voltage under varying loads
Supports automatic voltage regulation (AVR) and field current control (FCR) modes for precise excitation management
2. Power System Stability Enhancement
Improves transient stability by providing fast field forcing during faults
Features power system stabilizer (PSS) functionality to dampen electromechanical oscillations
3. Advanced Protection Features
Over-excitation/Under-excitation protection with inverse-time characteristics
Field short-circuit detection and rotor temperature monitoring capabilities
4. Communication & Integration
Supports IEC 61850 and Modbus protocols for seamless integration with modern substation automation systems
Compatible with ABB’s System 800xA for plant-wide control and monitoring
5. Robust Hardware Design
High immunity to EMI/RFI for reliable operation in electrically noisy environments
Wide operating temperature range (-40°C to +70°C) for harsh industrial conditions
6. Application Areas
Thermal power plants (coal, gas-fired generators)
Hydroelectric power stations
Industrial power generation (steel mills, chemical plants)
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