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The GE IS230TNTRH2C is a triple-modular redundant (TMR) primary turbine protection assembly for the GE Mark VIe control system. This module is a complete, pre-configured unit designed for a specific safety function, handling high-priority signals that trigger an immediate and safe shutdown, or “trip,” of a turbine to prevent damage or catastrophic failure.
Key Features
- Triple-Modular Redundant (TMR): This is the most critical feature. The TMR configuration uses three identical I/O packs operating in parallel. A voting algorithm compares the signals from all three packs, ensuring that the control system receives the correct information even if one or two modules fail. This redundancy is the core of its high-reliability design, making it suitable for mission-critical applications where a single point of failure cannot be tolerated.
- Primary Protection Module: This is a core component of a turbine’s safety system. It’s configured to process high-priority signals from critical sensors that, upon reaching a setpoint, demand an immediate shutdown to prevent a dangerous condition like overspeed or excessive vibration.
- Assembly: The part number signifies a complete, ready-to-install unit, consisting of both a terminal board and the specialized electronic I/O packs that process the protection signals.
- Mark VIe Integration: As part of the IS230 series, this assembly is a key component of the Mark VIe control platform, which is widely used for controlling turbines in power generation and other heavy industries.
Applications
The IS230TNTRH2C is used in critical industrial settings where a reliable emergency shutdown system is non-negotiable.
- Power Generation: It is a core component in the primary protection logic of gas and steam turbines. It monitors critical parameters and provides the trip logic to ensure a controlled shutdown in the event of an emergency.
- Safety Instrumented Systems (SIS): The module’s TMR design and function make it suitable for use in safety-instrumented systems, where the goal is to bring a process to a safe state when dangerous conditions are met.
