Enevo Group - SCADA Systems | Process Automation | Engineering & Design | Dispatch & Telecom | Protection & Control | Power Factor Correction (PFC)
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Power Factor Correction (PFC)

Power Factor Correction (PFC)

It is commonly known that in any large manufacturing facility elec-tricity quality and consumption represents an important cost factor. As described above, power factor correction represent one of the efficient measures a company can take to reduce con-sumption while increasing machine life expectancy.

EnExPro PFC solutions are specifi-cally designed to be used in networks with variable loads and are thus ideal for industry and utility applications (rolling mills, steel presses, wind turbines, con-tainer cranes, large buildings etc.).  Each PFC unit is equipped with a controller that will automatically adjust the reactive power according to the variations in load and/or power factor.

EnExPro solutions are focused on keeping power factor in check, but they can help you with much more. The EnExPro PFC units are equipped with top of the line capacitors, contactors, HRC fuses and detuning reactors that ensure continuous and safe operation. Addi-tionally, depending on the client needs, our PFC units can be equipped with a switchgear and a control and protection box that increase the overall security of the equipment and offer the possibility to do maintenance work with a minimal impact on the larger network.

ENEVO has already successfully implemented such projects in power generation, power transmission and distribution and steel industry in the last 2 years, totaling over 20MVA of power, proving the value of our engineering team on such projects. We will continue to invest in such solutions, leaving our footprint on the path of sustainable and efficient power.



  • Reduce energy losses by up to 30%
  • Optimize power consumption and reduce carbon emissions
  • Reduce reactive energy billing penalties
  • Reduce the effects of starting large machines
  • Reduce voltage drops
  • Increase network capacity

Power with Efficiency

In any AC distribution system that sup-plies power to a complex set of non-lin-ear loads, the quality of the supply is affected by the fact that the voltage and the current get distorted and out of phase. This increases the reactive component of the apparent power and thus lowers the overall power factor of the system. The best way to increase the quantity of active power that reaches the load is to use ded-icated power factor correction equipment. EnExPro solutions increase your power quality while reducing energy consumption.

But first, let’s settle what  you need to know about power.

What is Active Power?

Active or True Power, P, is the power drawn by the electrical resistance of a machinery that performs the intended work (rotate, lift, heat) and is measured in Watts (W).

What is Reactive Power?

Reactive Power, Q, measured in VAr, appears when there are capacitive and/or inductive properties in the system (inductive motors, transformers, capac-itors, solenoids) that cause the current and voltage to get out of phase. It does not translate in actual work from the ma-chinery that absorbs and returns it, but is essential to moving the active power through the system.

What is Apparent Power?

Apparent Power, S, is measured in VA and is the total power present in the system, both used for work and absorbed/returned by the machinery. It has a trigonometri-cal relation with the Active and Reactive powers, being the hypotenuse in the right triangle (“power triangle”) formed by them.

What is Power Factor?

Power Factor, or cos phi, is the ratio between the Active power and the Apparent Power. It varies between 1 (when current and voltage are in phase) and 0 (when current is out of phase with voltage by 900). It indicates how much of the current supplied is put at good use and is a measure of the efficiency of a power system.


Low Power Factor means:

  • Consume more power for less productivity, scoring higher costs
  • Less power distributed via the network
  • Power loss in the network
  • Higher transformer losses
  • Increased voltage drops in power distribution networks.