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GE DS200TCTGG1A turbine tripping circuit board
Functional features: It is equipped with four microprocessors. The LAN control processor (LCP) can accept five different bus types of feed to the driver. The Drive Control Processor (DCP) is used to handle analog and digital I/O conversion, and can also control and convert peripheral I/O devices such as encoders and timers. The Motor Control processor (MCP) processes the digital I/O sent to the driver; The Comotor processor (CMP) can provide additional computing power when the DCP processing capacity is insufficient. In addition, this board is equipped with an alphanumeric keyboard for system programming and diagnosis.
Technical parameters
Power supply voltage: Usually 24VDC.
Connectors: Equipped with 3 50-pin connectors (ID: JLY, JLX and JLZ) and 2 12-pin connectors (ID: JN and JM).
Relays: There are 21 plug-in relays on the board, including the main trip relay (PTR) and the emergency trip relay (ETR), which are used to control functions such as fuel cut-off.
Overall dimensions: approximately 50*76mm.
Weight: Approximately 1.5kg.
Working environment: The working temperature is generally 5 to 40°C, and the relative humidity is 5 to 95%.
Function-related parameters: There is a hardware jumper J1 used to activate the emergency overspeed servo clip. This jumper is required when applying 24VDC to the servo output.
Application field
1. Power and energy industry
Gas turbine power station: As a key protective component in large gas turbine generator sets. When dangerous situations such as turbine overspeed, bearing overheating, abnormal vibration or fuel system failure are detected, the tripping mechanism is promptly triggered to prevent equipment damage or safety accidents and ensure the stable operation of the power generation system.
Combined cycle power generation system: When working in coordination with steam turbines and other equipment, it monitors the operating status of the gas turbine in real time. When abnormal parameters occur during the combined cycle process (such as temperature exceeding the threshold, pressure imbalance, etc.), it cuts off the fuel supply to the gas turbine through tripping protection to avoid affecting the safety of the entire power generation system.
2. Industrial self-owned power plants and distributed energy
Industrial production supporting power supply: In self-owned power plants of industries such as chemical engineering, petroleum, and metallurgy, gas turbines provide electricity and heat for production equipment. The DS200TCTGG1A can activate protection when the equipment is overloaded, has mechanical failures or experiences fluctuations in the external power grid, preventing industrial production disruptions or equipment damage caused by gas turbine failures.
Distributed energy stations: In small-scale distributed gas turbine power generation systems, they are used to ensure safety during independent operation, especially suitable for scenarios with high requirements for power supply reliability (such as hospitals, data centers, etc.).
3. The oil and gas industry
Oil and gas field power equipment: In scenarios such as oilfield exploitation and natural gas compression and transportation, gas turbines are often used to drive compressors, pumps and other equipment. This circuit board can monitor dangerous signals such as mechanical vibration and fuel leakage during the operation of the equipment, trip and stop the machine in time, and avoid safety accidents caused by oil and gas leakage.
Offshore drilling platforms: The gas turbine systems on offshore platforms have extremely high safety requirements. The DS200TCTGG1A can operate stably in humid and high-salt spray environments. It prevents turbine failures through tripping protection, ensuring the power supply and equipment safety of the platform.
4. Aerospace and Marine power
Marine gas turbine propulsion system: In the gas turbine propulsion system of large ships (such as warships and merchant ships), when problems such as propeller jamming and lubrication system failure are detected, the circuit breaker is triggered to protect the engine and prevent accidents caused by power system failures during navigation.
Ground gas turbine test platform: In the research and development testing of aero engines or gas turbines, it is used to simulate the tripping protection function test under abnormal working conditions and verify the safety design of the equipment.
5. Energy and equipment maintenance field
Equipment fault diagnosis and maintenance: As an independent protection module, it can be used for the maintenance and troubleshooting of gas turbines. When the system alarms, the source of the fault (such as relay action status, abnormal sensor signals, etc.) is analyzed through the tripping logic of this circuit board to assist maintenance personnel in quickly locating the problem.
Backup protection system integration: When upgrading the control system of old gas turbines, it can be integrated with the new system as a backup trip protection module to enhance the safety redundancy of the equipment.
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