POWER FACTOR CORRECTION TUTORIALS AND LINKS

Power factor correction is a big business in engineering. More importantly, correcting or increasing one's power factor is a way of reducing the energy resources we utilize. This is a collection of links, and tutorials relating to power factor correction.

What is Power Factor Correction?
Reactive power charges can be made significantly smaller by the introduction of Power Factor Correction Capacitors which is a widely recognised method of reducing an electrical load and minimizing wasted energy, improving the efficiency of a plant and reducing the electricity bill. Read more...

Who needs power factor correction?
The actual demand for power that your business places on the electricity network is measured in kVA (1000s of Volt Amps). A low power factor means a higher kVA demand and higher running costs. So large energy users on a kVA demand tariff, will probably benefit from having power factor correction equipment installed. Read more... 

Power Factor Correction Capacitors Application Guide
The following bulletin is intended to help the design engineer select the proper capacitor to fill a particular need. In order to select the proper capacitor for a job, the designer is required not only to have a description of the device but also some insight into its advantages and disadvantages for a given application. Some peculiarities of construction, mechanical or environmental limitations, reliability, and failure modes or mechanisms must be taken into consideration. Read more...

Assessment of the Impacts of Power Factor Correction in Computer Power Supplies on Commercial Building Line Losses
This study first assesses the energy-saving benefit of improved efficiency in computer power supplies. It then extends that analysis to consider any additional energy savings resulting from power factor correction in the computer itself and in the building wiring that distributes power to the computer. The resulting impacts are tallied per computer, for the state of California as a whole, and for the United States. The analysis showed that the use of high efficiency computer power supplies will result in three effects. Read more...

Low Voltage Power Factor Correction
These low voltage GEM® type capacitors are designed primarily for power factor correction at the motor. Fixed Power Factor Correction with harmonic filters are also available for harmonic rich environments.  Read more... 

Power Factor Correction Inductor Design For Switched Mode Power Supplies
This article describes a step by step procedure for designing the inductive element in continuous mode boost pre-regulator for correcting input power factor and limiting harmonic currents. Read more... 

Three-Phase Power Factor Correction Circuits or Low-Cost Distributed Power Systems
The purpose of the front-end converter is to regulate the DC output voltage, supply all the load converters connected to the distributed bus, guarantee current sharing, and charge a bank of batteries to provide backup energy when the power grid breaks down. Read more... 

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