capacitors contactors needed contactorsthyristors total kva specific requirements connected directly environment types enclosure houses automatically switches offer faster solidstate switches electromechanical switches devices control longer lifespan transformers leading voltage drops significantly reduce penalize consumers voltage resulting motors transformers work leading significant portion crucial component current freeing current flowing protective components panel enclosure individual loads inductive loads wasted energy electrical system lower current apparent power lagging current power factor electrical system factors current power factor lagging current caused power factor panel fuses circuit breakers reduce electricity costs lower power factor electrical components due core components storing loads central correction releasing electrical energy desired power factor power factor closer improving power factor low power factor improve power factor effectively electrical power electrical systems designed entire facility choosing fluorescent lighting ballasts