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What is Power Factor (PF or cosf)

Chapter 17
Handbook of Research on Smart Power System Operation and Control
Is the ratio between the power that can be used in electric circuit (real power, P) and the power from the result of multiplication between the current and voltage circuit (apparent power, S).
Published in Chapter:
Power Quality and Stability Analysis of Variable-Speed Drive Systems (VSDS)
Safwan Mhrez Nadweh (Tishreen University, Syria) and Ola Ahmad Khaddam (Tishreen University, Syria)
Copyright: © 2019 |Pages: 25
DOI: 10.4018/978-1-5225-8030-0.ch017
Abstract
This chapter introduces an analysis of power quality of variable-speed drive systems (VSDS). In this chapter, several issues have been discussed as VSDS in terms of cost and effectiveness, VSDS control loops (open loop, closed loop), and power quality in VSDS. Harmonics standards and harmonics in VSDS were discussed in this chapter in addition to highlighting the effects of harmonics on power factor, crest factor, and other power quality specifications. The solutions used to mitigate the harmonics in VSDS were discussed in detail. Finally, simulation of the conventional VSDS model and VSDS with one harmonic mitigation solution in order to clarify the usefulness of using this solution on power quality specifications were discussed.
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