Description

Not for real photos. All pictures are for reference only.

Product Overview

The PPD513 3BHE039724R2643 is a high-speed programmable processing module built for ABB generator excitation and power electronic control systems, primarily deployed within UNITROL and MEGATROL excitation platforms. It executes fast closed-loop voltage regulation, reactive power control, limiting logic, protection sequences and synchronisation algorithms for synchronous generators and large rotating machines. It communicates via fibre optic links and dedicated backplane buses to interface with firing boards, measurement I/O and the higher-level plant DCS. Designed for continuous operation in power stations, this legacy high-performance controller is a critical spare for hydro, thermal and combined-cycle generator excitation retrofits and maintenance.

Technical Specifications

• Brand: ABB
• Model: PPD513 3BHE039724R2643
• Warranty: One Year
• Condition: 100% New & Original
• Input/Output: Onboard high-speed sampling circuits; fibre-optic communication ports; backplane interface to local I/O and power stage boards
• Operating Temp: -25°C to +70°C
• Communication: Optical fibre links, internal system bus, Ethernet / ARCnet depending on system build
• Auxiliary Supply: 24 VDC
• Processor: High‑speed real-time industrial processor for excitation control loops
• Diagnostics: Front panel LEDs for power, run, fault and communication status
• Mounting: Subrack slot mounting inside UNITROL / MEGATROL cubicles
• Hot Swap: Supported within compatible excitation racks
• Function: Automatic voltage regulation, VAr / power factor control, excitation limiting, de-excitation and fault protection logic
• Compatibility: ABB UNITROL series, MEGATROL excitation systems
• Protection: Watchdog, over-temperature, internal parity and bus fault detection
• Enclosure Rating: IP20
• Certifications: CE, IEC power plant control compliance
• Lifecycle: Legacy spare for existing excitation installations
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