APFC Panel Manufacturers Design and build panels that automatically correct the power factor in electrical systems. These panels use a microcontroller to monitor the power factor and connect or disconnect capacitor banks as needed to compensate for reactive power. This process helps businesses avoid penalties from utility companies, reduces electricity costs, and improves the efficiency and lifespan of electrical equipment. Prominent manufacturers in India include BCH Electric Limited, Wonder Systems India, and Hindustan Power Control System (HPCS), among others.