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The GE DS200TCTEG1 is a critical circuit board known as the TC2000 Trip Module used in General Electric’s Speedtronic Mark V Turbine Control System.1
Its primary function is to handle and process signals related to the turbine’s trip logic, ensuring safe and immediate shutdown of the turbine when critical safety limits are exceeded.2
🛑 Function and Key Features
Primary Function: Trip Logic Processing
The DS200TCTEG1 (TCTE) serves as a safety and protection module. Its core function is to:
- Process Trip Conditions: It receives and evaluates input signals from various sensors and control components that monitor the turbine’s operational health (e.g., overspeed, high vibration, low pressure).
- Execute Trip Logic: It executes the specific logic required to declare a trip condition (emergency shutdown) based on the state of the inputs.
- Control Trip Relays: While the main trip relays (Primary Trip Relays – PTRs) are often housed on an accompanying board like the $\text{DS200TCTGG1A}$ (TCTG), the TCTE module is integral to the overall trip system, managing the signals that activate the trip mechanism.
Hardware Components
The board features hardware typically associated with robust industrial control and safety logic:
- Relays: It is populated with a number of plug-in relays (e.g., the base version DS200TCTEG1A is cited as having 20 plug-in relays).3
- Connectors: It includes multiple pin connectors (e.g., 50-pin, 34-pin) for high-density interface with other boards in the turbine control panel.
System Context
- Series: GE Speedtronic Mark V Turbine Control System.4
- Application: Used in the control of industrial gas and steam turbines.5
- Naming: The part number structure ($\text{DS200TCTEG1}$) confirms its role within the GE DS200 series of boards for the Mark V system, with TCTE being the functional acronym for the Trip Module.
In the highly redundant architecture of the Mark V system, the Trip Module plays a non-negotiable role in turbine protection, ensuring that critical failures lead to a safe, controlled shutdown.
