This system works at its best during any time of the day at any kind of sunlight. The induction motor has very high starting current which is around four times of the running current of the motor. The VFD in controller eliminates the high starting current of the induction motor. Because of the smooth start using VFD, the motor will start as early as even 9am and works till 5:30pm. It delivers maximum water during 10am to 4pm.