Yaw proximity sensors give turbine position data in ______.

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Multiple Choice

Yaw proximity sensors give turbine position data in ______.

Explanation:
Yaw position is tracked using a pulse train. Each time the yaw mechanism passes a fixed increment (such as a tooth or magnetic pole), the proximity sensor emits a pulse. The turbine controller counts these pulses to determine how far the nacelle has yawed from a reference position. If you know how many pulses constitute a full revolution, you can convert the count into degrees, but the raw data from the sensor is in pulses. Degrees would require that conversion, RPM measures speed, and Volts would be an analog signal, not the discrete position data produced by these proximity sensors.

Yaw position is tracked using a pulse train. Each time the yaw mechanism passes a fixed increment (such as a tooth or magnetic pole), the proximity sensor emits a pulse. The turbine controller counts these pulses to determine how far the nacelle has yawed from a reference position. If you know how many pulses constitute a full revolution, you can convert the count into degrees, but the raw data from the sensor is in pulses. Degrees would require that conversion, RPM measures speed, and Volts would be an analog signal, not the discrete position data produced by these proximity sensors.

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