DS200TCTGG1A Turbine Trip Board (TCTG)
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DS200TCTGG1A Turbine Trip Board (TCTG)
The DS200TCTGG1A Turbine Trip Board (TCTG) is a critical component in the GE Speedtronic Mark V control system. It is located in position 4 of the core and plays a vital role in controlling the fuel shutoff halves for the turbine.Â
The board provides gas turbine trip notifications and houses the primary trip relays (PTRs). These PTRs are controlled by the Control System Processor (CSP) and communication errors. The emergency trip relays (ETRs) are managed by the Turbine Control and Emergency Action (TCEA) boards in the core.
The DS200TCTGG1A is designed to ensure the safe operation of the gas turbine by monitoring various parameters and initiating trips when necessary. It is equipped with 21 plug-in relays that can be configured to perform multiple functions, including synchronizing relays for grid connection, failsafe fuel valve functioning using the trip relays, and other control functions.
Part Number: DS200TCTGG1A
Type: Turbine Trip Board (TCTG)
Manufacturer: General Electric (GE)
Model: Mark V
Location: Position 4 of the core
Function: Controls fuel shutoff halves for the turbine and provides gas turbine trip notifications
Relays: 21 plug-in relays
Power Supply: 24 V dc
Features:
Reliable Operation: The DS200TCTGG1A is designed to provide reliable operation in harsh environments, ensuring the safe and efficient operation of the gas turbine.
Configurable Relays: The board features 21 plug-in relays that can be configured to perform various functions, providing flexibility and customization options.
Trip Notifications: The board provides gas turbine trip notifications, enabling operators to take prompt action in an emergency.
Failsafe Fuel Valve Functioning: The board ensures that the failsafe fuel valve functions using the trip relays. In the event of a trip, the board activates the trip relays, which close the fuel valve, preventing fuel from entering the turbine and ensuring the safety of the turbine and its operators.
Synchronizing Relays: The board includes synchronizing relays that help synchronize the turbine with the grid. These relays ensure that the turbine’s output voltage and frequency match the grid’s, enabling efficient and reliable power generation.
Compatibility:
The DS200TCTGG1A is fully compatible with the GE Speedtronic Mark V control system, a widely used control system in the gas turbine industry.
It is designed to work seamlessly with other components in the system, ensuring smooth integration and operation. The board is available from various industrial automation and parts suppliers.
Benefits:
Improved Safety: The DS200TCTGG1A ensures the safe operation of the gas turbine by monitoring various parameters and initiating trips when necessary.
Configurable relays and failsafe fuel valve function are not just about safety: they also significantly enhance the turbine’s efficiency. This ensures a reduction in downtime and an overall increase in operational efficiency, giving you the confidence of a smoothly running system.
Reliability: The board’s reliable operation and robust design ensure minimal downtime and reduced maintenance costs. However, it is important to note that the board’s reliability can be affected by improper handling and poor storage. Regular maintenance and adherence to the manufacturer’s guidelines are essential to ensure the board’s long-term performance.
High degree of flexibility and customization options: This empowers operators to tailor the system to their specific needs, giving them a sense of control over the system’s performance
Applications:
The DS200TCTGG1A is designed for use in gas turbines and is suitable for various applications, including:
Power Generation: The board is a crucial component in power generation applications, ensuring the safe and efficient operation of gas turbines. It plays a key role in controlling the fuel shutoff halves for the turbine and providing gas turbine trip notifications, thereby contributing to the overall safety and efficiency of the power generation process.
Industrial Processes: The board is used in industrial processes that require reliable and efficient operation of gas turbines.
Oil and Gas: The board is used in oil and gas applications to ensure gas turbines’ safe and efficient operation.
Installation Process:
The installation process for the DS200TCTGG1A involves the following steps:
Preparation: Ensure the installation site is clean and free from any obstructions.
Mounting: Mount the board in position 4 of the core, ensuring proper alignment and secure fastening.
Power Connection: Connect the power supply to the board, ensuring the 24 V DC power is properly connected.
Relay Configuration: Configure the relays according to the application’s specific requirements.
Testing: Test the board to ensure it is functioning properly and that all relays operate correctly.
Commissioning: Commission the board by integrating it with other components in the GE Speedtronic Mark V control system.
Frequently Asked Questions about DS200TCTGG1A:
What is DS200TCTGG1A?
DS200TCTGG1A is a Turbine Trip Board (TCTG) developed by GE for use in the Mark V Series of turbine control systems.
What is the primary function of DS200TCTGG1A?
The primary function of DS200TCTGG1A is to control the fuel shutoff halves for the turbine and provide gas turbine trip notifications.
Where is DS200TCTGG1A located in the core?
DS200TCTGG1A is located in position 4 of the core.
Are there different types of trip relays on the board?
Yes, two types of trip relays are available for failsafe fuel valve functioning: primary trip relays (PTRs) and emergency trip relays (ETRs).
How are the PTRs controlled?
PTRs are controlled by the CSP and communication errors.
How are the ETRs managed?
ETRs are managed by the TCEA boards in the core. In the event of an emergency, such as a sudden increase in turbine speed, the TCEA boards initiate an emergency trip. This requires a 2/3 vote, ensuring that the trip is only initiated when necessary, thereby enhancing the safety of the gas turbine operation.
Can the board be software configured?
No, the TCTG board is not configured with any software.
 How does the board function failsafe fuel valve functioning?
The trip relay on the board performs failsafe fuel valve functioning.
Are there any hardware jumpers on the board?
There is only one hardware jumper, the Emergency Overspeed servo Clamp (J1).
What does the hardware jumper J1 do?
Applying 24 V DC to the servo outputs requires opening servo valves 1-4 with this jumper.
Is the board reliable?
Yes, the DS200TCTGG1A board is very reliable and less prone to damage, but improper handling and poor storage can affect its functionality.
 Can the board be repaired?
Yes, the board can be repaired by experts in a controlled environment using industrial-grade components that meet or exceed OEM standards.
