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GE DS2020EXPSG3

  • Product Introduction: A special assembly exciter power supply module that provides regulated DC power to turbine excitation subsystems, ensuring stable magnetic field generation and precise synchronous control in EX2000 brushless generator excitation systems.
  • Technical Specifications:
    • Manufacturer: GE Fanuc / General Electric
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Detailed content

    • Product Type: Exciter Power Supply Module
    • Series: Mark V Speedtronic (EX2000 excitation)
    • Assembly Type: DS2020 Special Assembly, Group 3
    • PCB Dimensions: Approx. 28 cm × 18 cm × 4 cm
    • Net Weight: Approx. 1.2 kg (including mounted components)
    • Operating Temperature: -40 °C to +70 °C (industrial grade)
    • Weight: 0.8–1.0 kg
  • Hardware Features:
    • Terminal strips, inductors, MOVs (metal oxide varistors) for surge suppression
    • Heavy-duty aluminum heat sinks for thermal stability
    • Integrated DS200GDPA and DS200EXPS PCBs in multi-tier assembly
    • Insulated mounting standoffs; plexiglass shield
    • Energy storage electrolytic capacitors, industrial-grade rectifier diodes, voltage regulators
    • Precision resistors and filtering capacitors
    • High-density multi-pin edge connector for backplane interface
  • Primary Function: Delivers consistent regulated DC voltage to the exciter field, ensuring the turbine-generator set maintains required reactive power output and voltage stability during grid fluctuations.
  • Mounting Method: Rack-mounted PCB installed inside Mark V control cabinet.
  • Protection Features: Overload protection, surge suppression, static-sensitive component protection.
  • Redundancy: Supported for high-availability turbine loops.
  • Applications: Generator excitation control within Mark V turbine automation platforms in power generation plants, refineries, and industrial turbine systems.
  • Installation Notes: Integration requires verifying the Mark V controller’s firmware flash compatibility. The module carries warning labels indicating risk of electric shock or burns if improperly handled.
  • Maintenance: Modular design allows fast replacement without modifying system wiring.

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