Original ABB excitation controller module for synchronous generator excitation system, power plant spare part.

Product Overview

PPD117A3011 (3BHE030410R3011) is ABB high‑precision digital excitation controller module. It serves as core control unit for synchronous generator excitation system, adjusts excitation current to stabilize generator output voltage and reactive power. Built‑in complete fault protection and self‑diagnosis functions, widely used as maintenance spare part for thermal power, hydropower and industrial generator sets.

Key Features

• High‑precision digital PID regulation for stable generator voltage control
• Multiple built‑in protections: overvoltage, overcurrent, overtemperature and short‑circuit protection
• Supports multi‑industrial communication protocols for system interconnection
• On‑board LED indicators for status and fault diagnostic display
• Strong EMC anti‑interference performance for power‑plant harsh environment

• Modular structure, convenient cabinet installation and field replacement

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Technical Specifications

• Brand: ABB
• Model: PPD117A3011, 3BHE030410R3011
• Module Type: Excitation Controller Module
• Power Supply: 24VDC
• Communication: Ethernet, Modbus, Profibus‑DP
• Operating Temp: ‑20℃ ~ +60℃
• Storage Temp: ‑40℃ ~ +85℃
• Humidity: 5‑95% non‑condensing

• Installation: Cabinet rack mount

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Compatibility

Compatible with ABB generator excitation system and AC800PEC platform. Parameter commissioning and excitation loop test are required after module replacement.