What do igniters receive from the ignition exciters?

What do igniters receive from the ignition exciters?

• A. Mechanical input
• B. Hydraulic pressure
• C. Electrical output
• D. Thermal energy

Answer: (C)

Igniters in a gas turbine ignition system are driven by electrical energy from the ignition exciters. The ignition exciter provides a controlled electrical output—high-voltage pulses or bursts—that the igniter uses to produce a spark (for spark-type igniters) or to generate heat (for hot-surface igniters). This electrical energy is what initiates combustion by lighting the fuel-air mixture. Other energy forms like mechanical input, hydraulic pressure, or direct thermal energy aren’t what the ignition exciter delivers to the igniter; its purpose is specifically to supply electrical energy to trigger ignition.

Igniters in a gas turbine ignition system are driven by electrical energy from the ignition exciters. The ignition exciter provides a controlled electrical output—high-voltage pulses or bursts—that the igniter uses to produce a spark (for spark-type igniters) or to generate heat (for hot-surface igniters). This electrical energy is what initiates combustion by lighting the fuel-air mixture. Other energy forms like mechanical input, hydraulic pressure, or direct thermal energy aren’t what the ignition exciter delivers to the igniter; its purpose is specifically to supply electrical energy to trigger ignition.