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The GE IS230TGNAH2A is a triple-modular redundant (TMR) Generator Protection and Logic Unit (PLU) assembly for the GE Mark VIe control system. This module is an assembly of the TGNAH1A terminal board and the PGENH1A I/O pack, specifically designed for high-reliability generator protection applications.
Key Features
- TMR (Triple-Modular Redundant): This is the most important feature. The TMR configuration uses three identical modules operating in parallel. A voting algorithm compares the outputs from the three modules, ensuring that the system can continue to operate and provide accurate protection even if one or two modules fail. This redundancy is a core component of the Mark VIe’s high-reliability architecture.
- Generator PLU: This module is specifically designed to handle the protection and control logic for a power generator. It monitors critical electrical parameters such as voltage, current, frequency, and power to ensure the generator operates safely and efficiently.
- Assembly: The part number signifies a complete assembly of the terminal board and the I/O pack. This means it is a ready-to-install unit, where the terminal board provides the connection points for field wiring and the I/O pack contains the electronic circuitry that processes the signals.
- Mark VIe Integration: As part of the IS230 series, this assembly seamlessly integrates with the Mark VIe control platform, which is widely used for controlling turbines and generators in power plants.
Applications
The IS230TGNAH2A is a vital component in power generation plants, providing the robust protection needed for large electrical generators.
- Generator Protection: It’s a fundamental component of the generator’s protection system, designed to detect severe electrical faults such as over-voltage, over-current, and under-frequency conditions. The TMR redundancy ensures that a single fault does not cause a protection system failure.
- Synchronization and Control: It can also be used in the control logic for synchronizing the generator with the electrical grid and for regulating power output, where the high reliability of the TMR configuration is essential.
