What relay configurations are used in timer relays for GT?

What relay configurations are used in timer relays for GT?

• A. TP energized and TP de-energized advanced
• B. TP de-energized and TP energized advanced
• C. H and V in the clear
• D. HV de-energized

Answer: (B)

In timer relays for Gas Turbine (GT) control systems, the configuration often involves a design where timing and control sequences are crucial for the operation of the turbine. The correct answer indicates a setup where the Timer Pulse (TP) is de-energized first and then energized in an advanced sequence. This sequence is critical as it allows for the correct timing of events in the control system. When the TP relay is de-energized, it can stabilize the system by ensuring that operations are ceased or paused in a controlled manner. Subsequently energizing the TP enables a precise timing function, which is essential for the overall operation of the gas turbine. Accurate timing controls are necessary to manage transitions in operations, such as starting, stopping, or initiating safety protocols. The other options do not reflect the typical demand for timing during the operational phases of a gas turbine. The configurations suggested in those choices either do not establish a clear sequence of de-energizing followed by energizing or refer to states that are not typically employed in timing functions of GT control systems. This makes the selected advanced sequence the most appropriate for effective timer relay operation.

In timer relays for Gas Turbine (GT) control systems, the configuration often involves a design where timing and control sequences are crucial for the operation of the turbine. The correct answer indicates a setup where the Timer Pulse (TP) is de-energized first and then energized in an advanced sequence.

This sequence is critical as it allows for the correct timing of events in the control system. When the TP relay is de-energized, it can stabilize the system by ensuring that operations are ceased or paused in a controlled manner. Subsequently energizing the TP enables a precise timing function, which is essential for the overall operation of the gas turbine. Accurate timing controls are necessary to manage transitions in operations, such as starting, stopping, or initiating safety protocols.

The other options do not reflect the typical demand for timing during the operational phases of a gas turbine. The configurations suggested in those choices either do not establish a clear sequence of de-energizing followed by energizing or refer to states that are not typically employed in timing functions of GT control systems. This makes the selected advanced sequence the most appropriate for effective timer relay operation.