GE Mark VI IS200VTURH1BAC Protection Board

The IS200VTURH1BAC model is a specialized Turbine Specific Primary Trip board designed for controlling three primary overspeed trip relays on one of the TRPx terminal boards. This board plays a critical role in safety by generating trip signals that are sent to the VTUR module and subsequently to the TRPx terminal board for tripping emergency solenoids. The trip signals can be activated either by this board or by the VPRO board within the Mark VI system.

System Configuration

• Simplex System:
  • Utilizes 9 relays for trip control.
• Triple Modular Redundant (TMR) System:
  • Uses 3 relays for trip control, enhancing reliability through redundancy.

Technical Specifications:

• Board Number: IS200VTURH1BAC
• Series: Mark VI IS200
• Manufacturer: GE Industrial Systems, General Electric Company, USA
• Functional Acronym/Abbreviation: VTUR
• Model Type: Protection Board
• Functional Description: Primary Turbine Protection
• Boards Supported with the VTUR:
  • TRPG (Turbine Relay Protection Group)
  • TRPL (Turbine Relay Protection Logic)
  • TREG (Turbine Relay Emergency Group)
  • TRPS (Turbine Relay Protection System)
• MPU Pulse Rate Range: 2 Hz to 20 kHz
• MPU Pulse Rate Accuracy: 0.05% of Reading
• Number of Trip Solenoids: 3
• Contact Voltage Sensing:
  • High (HI): 20 V dc
  • Low (LO): 6 V dc

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