GE DS200TCTGG1AFF Simplex Trip Board

GE DS200TCTGG1AFF Simplex Trip Board

The , a revision of the Turbine Trip Board (), is instrumental in the turbine’s protection system:

  • Trip Execution: It houses the electromechanical relays, known as Primary Trip Relays (PTRs) and often the Emergency Trip Relays (ETRs), which directly control the hydraulic trip system that quickly closes the fuel/steam stop valves.
  • Protection Logic: It receives trip signals from the main control processors and hardwired safety inputs. In a Triple Modular Redundant (TMR) system, the board manages the two-out-of-three voting logic at the hardware level for the most critical ETR functions, ensuring that a single controller failure doesn’t cause a false trip.
  • Simplex/TMR Use: Although called a “Simplex Trip Board,” it is designed to be used in the architecture of the Mark V, which supports both Simplex (non-redundant) and TMR configurations.
  • Monitoring and Diagnostics: The board is equipped with internal circuitry for self-testing and status indication (often via LEDs) to assist operators and maintenance staff in quickly identifying faults and the status of the trip circuits.
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الوصف

The GE DS200TCTGG1AFF Simplex Trip Board is a safety-critical component within the General Electric Speedtronic Mark V Turbine Control System.

Its primary and essential function is to provide the hardware interface and logic required to safely and rapidly shut down (or “trip”) the turbine in the event of dangerous operating conditions.

🛡️ Core Functionality

The , a revision of the Turbine Trip Board (), is instrumental in the turbine’s protection system:

  • Trip Execution: It houses the electromechanical relays, known as Primary Trip Relays (PTRs) and often the Emergency Trip Relays (ETRs), which directly control the hydraulic trip system that quickly closes the fuel/steam stop valves.
  • Protection Logic: It receives trip signals from the main control processors and hardwired safety inputs. In a Triple Modular Redundant (TMR) system, the board manages the two-out-of-three voting logic at the hardware level for the most critical ETR functions, ensuring that a single controller failure doesn’t cause a false trip.
  • Simplex/TMR Use: Although called a “Simplex Trip Board,” it is designed to be used in the architecture of the Mark V, which supports both Simplex (non-redundant) and TMR configurations.
  • Monitoring and Diagnostics: The board is equipped with internal circuitry for self-testing and status indication (often via LEDs) to assist operators and maintenance staff in quickly identifying faults and the status of the trip circuits.

💻 Technical Specifications

The part number includes three final revision letters (AFF), indicating several functional or manufacturing updates over the original design. Despite the revisions, the core hardware characteristics generally remain consistent:

Feature Specification
Board Type Simplex Trip Board ()
System GE Speedtronic Mark V
Relay Count 21 plug-in relays (labeled K1, K2, etc.)
Main Connectors 3 x 50-pin connectors ()
Auxiliary Connectors 2 x 12-pin connectors ()
Function Controls fuel shutoff halves, ETR/PTR logic, and synchronization relays.

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