Which loads achieve the best energy savings from voltage optimisation?

Most building loads can be classed as resistive, inductive or capacitive. Using voltage optimisation for resistive or inductive type loads including uncontrolled motors, incandescent lamps, switch start fluorescent lighting and other high energy consuming equipment can achieve the highest energy savings. Voltage optimisation does not generally achieve savings for capacitive loads such as IT servers and computers due to the operation of their switch mode power supplies.



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