Original ABB PPD517A3011 3BHE041576R3011 excitation control processor for UNITROL 6000 generator excitation system, power plant automation replacement spare part.

Product Overview

ABB PPD517A3011, part number 3BHE041576R3011, is high‑performance panel processor unit for UNITROL 6000 excitation system and AC800PEC platform. It executes generator excitation regulation algorithm, processes field measurement signals, completes closed‑loop voltage and reactive power control, communicates with upper DCS system, widely used for thermal power, hydropower generator excitation cabinet maintenance and spare‑parts replacement.

Key Features

• High‑speed 32‑bit processor for fast excitation closed‑loop control calculation
• Supports multiple excitation working modes including voltage, current and power‑factor regulation
• Built‑in over‑excitation, under‑excitation and fault protection logic
• Equipped with Ethernet and RS‑485 communication interfaces
• Supports 1+1 redundant hot‑standby configuration for uninterrupted operation
• Rich on‑board self‑diagnosis function for fault locating

• Rack‑mount panel structure for cabinet installation

• 
  

Technical Specifications

• Brand: ABB
• Model: PPD517A3011
• Part Number: 3BHE041576R3011
• Applicable System: UNITROL 6000, AC800PEC
• Power Supply: 24V DC
• Interfaces: Ethernet, RS‑485
• Operating Temperature: ‑20℃ ~ +70℃
• Application: Generator excitation control, power plant automation

• Certification: CE certified

• 
  

Compatibility

Matches UNITROL6000 excitation system accessories, adapts to AC800PEC control platform, used for power plant generator excitation cabinet overhaul and spare‑parts replacement.