Type of Compensation.

For each individual inductive load corresponding capacitor is allocate. This compensates lagging reactive power immediately at the individual load. different loads & capacitors can be connected jointly in the system by means of one main switch.

Automatic power factor correction is typical for lage electrical systems with fluctuating load where it is common to connect number of capacitors to main power distribution sation or substation. The capacitors are controlled by controller which continuously monitors the relative power demand.the ralay connects or disconnects the capacitors to compensate for actual reactive power of the total load and reduce overall demand supply.

• Proper reduction in KVa demand.

• In Auto Comensation at no load condition over compensation does not occur. Over compensation is dangerous as it leads to over voltage in the system, resulting into failure at insulation of terminal equipments.

• Less burden on capacitors & switchgear thus compensation life is more.
• Release of system capacity form same source giving advantage to connect  more equipments