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The GE IS200STURH1A is a Simplex Primary Turbine Protection Relay board for the GE Mark VIe (MKVIe) turbine control system. Its main function is to serve as a high-integrity, safety-rated interface for turbine protection signals in a non-redundant configuration.
Function and Purpose ⚙️
The IS200STURH1A is a critical component for ensuring the safety of the turbine. It is designed to receive inputs from primary protection sensors and relay signals to the main controller. These signals are typically related to critical safety parameters, such as:
- Overspeed detection: Monitoring the turbine’s rotational speed and initiating a trip if it exceeds a safe limit.
- Flame detection: Shutting down the turbine if a loss of flame is detected in the combustor.
- High vibration: Tripping the turbine if excessive vibration is detected.
The board provides the necessary signal conditioning and electrical isolation to ensure that these crucial signals are accurately and reliably transmitted to the control system. The “Simplex” designation indicates that this board is used in applications where a single, non-redundant channel for protection signals is sufficient.
Related Components
The IS200STURH1A works in conjunction with other components of the Mark VIe system, including:
- Protection I/O Packs: These electronic modules mount directly on the terminal board and contain the active electronics for processing and validating the protection signals.
- Processor Cards: The main CPU of the system, which receives the processed data from the I/O packs and executes the safety logic.
- Field Devices: The board connects to various sensors, such as speed sensors, flame detectors, and vibration probes, to acquire the necessary data for safety monitoring.
