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The GE part number IC3600STKD1 is a Temperature Control Card. This is a specialized electronic circuit board used in GE Speedtronic Mark I and Mark II series turbine control systems. Its primary function is to precisely regulate the temperature of a turbine, ensuring it operates within safe and efficient limits.
Function and Key Features
The IC3600STKD1 is a crucial component in the turbine’s temperature control loop. It works by:
- Monitoring Temperature Signals: The card receives input signals from various temperature sensors, such as thermocouples, placed throughout the turbine, particularly in the exhaust duct. These signals are typically low-voltage and need to be amplified and conditioned before they can be used by the control system.
- Providing Control Logic: Based on these temperature inputs, the card provides the necessary control signals to other boards in the system. For instance, it might signal a fuel control card to decrease fuel flow if the turbine’s exhaust temperature exceeds a setpoint. This is essential for preventing overheating, which can cause catastrophic damage to the turbine blades and other components.
- Interfacing with the System: The card is an integral part of a larger control system and interacts with other components to ensure the turbine operates smoothly. The GE Mark I and II systems rely on a “redundancy by association” philosophy, where different loops (startup, speed, and temperature) work together to maintain control. The temperature control card plays a vital role in this.
- Robust Design: Like all GE industrial control boards, it is built to withstand the harsh conditions of a power plant, including vibrations, temperature fluctuations, and electromagnetic interference.
Applications
The IC3600STKD1 is a legacy component, so it is primarily used in power generation facilities that still operate GE’s older Mark I and Mark II turbine control systems. It is an essential component for:
- Turbine Control: It is a vital element in both gas and steam turbine control panels, where it ensures the turbine operates within safe temperature parameters.
- Safety Systems: By preventing over-temperature conditions, it acts as a critical safety device, protecting expensive equipment and ensuring operational safety.
