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The ABB 3BHE032025R0101 PCD235A101 is an Excitation Controller Module used in ABB's REG670 or REL670 series, primarily for generator excitation control and protection in power plants and industrial applications.
Key Features:
Excitation System Control – Manages generator field current (AVR – Automatic Voltage Regulation).
Protection Functions – Includes over/under excitation (24), field overcurrent (51/51V), loss-of-excitation (40),
and PSS (Power System Stabilizer).
Communication Protocols – Supports IEC 61850 (GOOSE, MMS), IEC 60870-5-103/104, DNP3, Modbus.
Redundancy Support – Can be configured in a redundant setup for critical power generation systems.
Hardware – Includes analog/digital I/O, fiber-optic ports, and high-speed processing for real-time control.
Configuration & Programming – Configured via PCM600 (ABB’s Protection and Control IED Manager).
Applications:
Synchronous generator excitation control (hydro, gas, steam turbines)
Power plant voltage regulation
Grid stability enhancement.
Product picture：
