EAN: 9783960670810

POWER QUALITY ISSUES AND THEIR IMPACT ON THE PE...

Power supply quality concerns are the consequences of the increasing use of solid state
switching devices  power electronically switched loads  unbalanced power systems  lightning
controls  computer and data processing equipment  as well as industrial plant rectifiers and
inverters. In this book  special prominence is given to the degrading of power quality due to
unbalanced power supply. Moreover  the impact of unbalanced voltage on the performance of
three-phase induction motors are also underlined. Three-phase induction motors are broadly used
in diverse industrial applications while unbalances in supply voltage are responsible for
various ailing impacts on their performance. Furthermore  the variation of performance
parameters of three-phase induction motors have been analysed. Additionally  various existing
methods for the assessment of the performance induction motor under the supply voltage
unbalance have been critically reviewed to underline their shortcomings. The causes  effects 
mitigation techniques along with the various interpretations of voltage unbalance  prescribed
in different standard  are also discussed to highlight their deficits.

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