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The GE IS200STURH2A 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, particularly those related to generator synchronization.
Function and Purpose ⚙️
The IS200STURH2A is a critical component for ensuring the safety of the turbine, especially during the synchronization process with the electrical grid. It is designed to receive inputs from primary protection sensors and relay signals to the main controller. These signals are related to critical safety parameters, such as:
- Grid synchronization: Monitoring the generator’s voltage, frequency, and phase angle to ensure safe connection to the grid.
- Voltage and frequency protection: Tripping the turbine if the generator’s voltage or frequency exceeds a safe limit.
- Overspeed detection: Initiating a trip if the turbine’s rotational speed exceeds a safe limit.
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 IS200STURH2A 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, voltage transducers, and frequency monitors, to acquire the necessary data for safety monitoring.
