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SKU: 3BHE012276R0101 UAD143A101

ABB 3BHE012276R0101 UAD143A101 UNITROL Advanced PCB Card Module

The ABB 3BHE012276R0101 (UAD143A101) is an advanced PCB control card for UNITROL excitation systems. Featuring a high-grade copper substrate and 1MB Flash memory, it provides high-speed regulation and superior heat dissipation for critical industrial automation and power generation tasks.

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High-Integrity Control Interface for Excitation Systems

The ABB 3BHE012276R0101, identified by the hardware code UAD143A101, functions as a critical control interface board within the UNITROL series of static excitation systems. This advanced PCB card manages the high-speed processing requirements of synchronous generator control by executing real-time regulation algorithms. Because industrial power environments generate significant thermal and electromagnetic stress, ABB engineers this module on a high-grade copper substrate. This design choice significantly improves heat dissipation and maintains electrical signal integrity. Consequently, the UAD143A101 ensures that the excitation system responds instantly to load changes, thereby stabilizing the voltage output of the generator.

Essential Technical Specifications

  • Manufacturer: ABB
  • Part Number: 3BHE012276R0101
  • Hardware Code: UAD143A101
  • Product Type: Advanced PCB Card / Drives Control Board
  • System Range: UNITROL Excitation Systems / ACS Drives
  • Onboard Memory: 1 MB High-Speed Flash Memory
  • Substrate Material: High-grade thermal-conductive copper
  • Physical Mass: 0.32 kg
  • Dimensions: 26.5 cm x 15.0 cm x 3.8 cm
  • Manufacturing Origin: Sweden

Sophisticated Architecture and Operational Benefits

The UAD143A101 maximizes system availability by incorporating a robust architecture that supports complex control logic and multi-channel data acquisition. Specifically, the integrated 1 MB Flash Memory stores critical firmware and user-defined control parameters, which allows for local execution of protective functions without relying on external processors. Furthermore, the module features versatile connection interfaces that enable seamless integration into existing Distributed Control Systems (DCS). Moreover, the board undergoes rigorous testing to meet ISO 9001 and ABB-specific quality standards, ensuring it survives the corrosive or vibration-heavy atmospheres typical of power plants. Since the card serves as a “plug-in” component, maintenance teams can perform hardware swaps rapidly, which minimizes costly downtime during service intervals.

Primary Industrial Applications

  • Power Generation: Regulating the field current of large synchronous generators to maintain grid stability.
  • Static Excitation: Serving as the core logic interface for UNITROL 5000 and 6000 systems.
  • Heavy Duty Drives: Managing the control loop for high-power ACS series frequency converters.
  • Grid Synchronization: Facilitating the precise timing and voltage matching required for paralleling generators.
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