Practice question

What is the purpose of a capacitor bank in a roadway lighting system?

To store energy for emergency lighting
To correct the overall power factor of the lighting system by providing leading reactive power to offset the lagging reactive power of the loads
To increase the voltage to the luminaires
To generate harmonic currents

Answer: B — To correct the overall power factor of the lighting system by providing leading reactive power to offset the lagging reactive power of the loads

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