Which of the listed temperature measuring devices installed on a large turbo-electric alternating current propulsion generator would be the most reliable for monitoring generator temperatures to avoid premature winding insulation failure?

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Accepted Answer

Temperature sensors inserted in the stator slots for measuring stator winding temperature.

Answer

Temperature sensors measuring the temperature of the cooling air associated with the generator air cooler.

Answer

Temperature sensors measuring the temperature of the cooling water associated with the generator air cooler.

Answer

Current transformers are the most reliable means of monitoring generator temperatures.

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