Product Description

Overview

The PCD231B101 (3BHE025541R0101) is an advanced Excitation Control Module and Converter Control Interface (CCI) engineered for ABB’s UNITROL 6000 X-power static excitation systems. Built on the AC 800PEC platform, it functions as a high-speed control bridge between the power converters and the system controller, precisely regulating synchronous generator and motor field currents to maintain voltage stability and optimize grid performance.

Technical Specifications

• Manufacturer: ABB

• Model: PCD231B101

• Order Number: 3BHE025541R0101

• Series: UNITROL 6000 / AC 800PEC

• Function: Excitation Controller / Converter Control Interface

• Power Supply: +24V DC (standard for AC 800PEC modules)

• Processing: High-speed DSP/FPGA for real-time converter firing

• Weight: 1.43 kg (Net), 1.14 kg (Shipping)

• Dimensions: 73.5 mm x 373 mm x 142 mm (WxHxD)

• Country of Origin: Switzerland / Sweden / China

• Communication: Fiber-optic or high-speed bus links to AC 800PEC master controllers

Key Features

• Dual-Channel Operation: Supports redundant configurations for uninterrupted excitation control.

• Precision Current Regulation: Maintains stable field current, ensuring optimal generator voltage and reactive power performance.

• High-Speed Response: Rapid reaction to load changes and grid disturbances via AC 800PEC technology.

• Modular Design: PEC80 form factor allows fast replacement and minimal system downtime.

• Environmental Durability: Resistant to vibration, EMI, and extreme industrial conditions.

• Monitoring & Diagnostics: Integrated diagnostics for field current with a 10V DC output for real-time system monitoring.

Applications

• Power Plants: Steam, gas, and hydro generator excitation management.

• Industrial Motors: Synchronous motor control in mining, steel, and heavy industry.

• Grid Stability: SVC and synchronous condenser systems for reactive power management.

FAQ

Q: Can the module operate in redundant mode?
A: Yes, it supports dual-channel redundancy to maintain excitation control in case of a single controller failure.

Q: What environments can it handle?
A: Designed for harsh industrial conditions including high vibration, EMI, and temperature variations.

Q: Is the module compatible with UNITROL 6000 cabinets?
A: Fully compatible and plug-and-play for UNITROL 6000 systems.