एक KVAR नियंत्रक मुख्य रूप से __________ द्वारा वाणिज्यिक उपयोगिता लागत को कम करने में मदद करता है।

Which equipment is most commonly used in industries for improving the power factor?

A system's power factor is improved from 0.7 lagging to 0.9 lagging. If the active power consumed by the load remains constant at 100 kW and the supply voltage is fixed, how does the total current change?