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Power Factor Correction

Power Factor Correction, has been the topic of much conversation and even more confusion now that energy conservation earns a more eager audience. To make matters worse power factor is difficult for even electrical engineers to fully comprehend and it is an invisible inefficiency. Many companies are paying large power factor penalty charges, either without knowing or not knowing how to correct it. The conservative ROI for most installations is generally within 2 years and larger applications will perform even better. Many Power suppliers offer incentives for the installation of this type of equipment based on documented savings.

Why does power factor need correcting?  

The "dirty energy" coming from the grid is far too non-specific for facilities specific needs. The equipment effected most by this issue includes all inductive loads such as motors, pumps, and ballasts. Constant smaller electronic spikes and surges are inherent in raw grid energy and it will cause heat, and heat will eventually damage valuable equipment. This inefficiency is caused by a delay between when demand begins to move electrons through the circuit (voltage) and when they actually move (current). The ratio used to describe the amount of energy used, and not lost is called “Power Factor”. We find that corporate power factors often average about .75, meaning that 25% of the available energy for inductive loads is lost to inefficiency. Industrial facilities with larger inductive loads will often show even lower power factors unless corrected. Properly sourced, sized and located Power Conditioning Equipment will eliminate the wasted energy produced for inductive loads. 

How will a company benefit by Power Conditioning?  

This patented and specially designed technology will bring many benefits; some of the most important remain unnoticed until tested.
• 5% to15% energy reduction on inductive loads
• Eliminate power factor penalty and demand charges
• Reduced electrical equipment and circuit board replacement
• Reduced repair and maintenance costs
• Reduce current and heat at electrical loads, reduces HVAC
• Protect equipment from surges, spikes and lightning strikes
• Reduce damaging harmonic distortion on your electrical system

How much can power factor correction save?  Savings will depend on the amount and type of inductive loads within a facility and the existing power factor.  The process requires a trained specialist to carefully inspect and analyze your facility and usage patterns to best determine how to bring your Power Factor to near 100%. Professional data logging is recommended for larger applications. After installation, inductive loads will consume electricity more efficiently and thus demand less energy. There will be reduction in both KWH as well as Power Factor Penalty Charges. Correcting power factor at the distribution panel can free up additional energy for building usage and benefit a building owner in multiple ways. National Energy Technologies is a direct distributer for the only power factor equipment capable of cycling the additional harmonics back into usable power. Many other systems do not.

   Power companies are now charging for power factor imbalance or charging penalties if power factor ratios are below 85% (NY is now 95%!).this is due to all of the unused surge energy is bouncing back to the supplier taking up valuable line bandwidth. We expect this trend to continue and to see the a higher percentage standard for uncorrected power factor to spread across the country..