POWER QUALITY IMPROVEMENT IN VARIABLE SPEED DRIVES
Author(s):
K. Bhuvaneswari
Keywords:
Energy conservation,electric drives,Variable Frequency Drive
Abstract
Energy conservation is necessary because with the ever increasing demand, need for electrical power can only meet by conserving electrical power in addition to installation of new generating units.A major portion of electrical power in a plant is consumed by electric drives. Selecting a higher efficiency pump will reduce power consumption, but by improving the design of pump and controlling the interaction between the pump and the system would achieve greater improvement.A Variable Frequency Driveoffers a very good response to pumping system. The speed control of induction motor using VFD can save energy according to affinity law. Thus the consumption of electrical energy is depends on the load requirement. Reduces the flow with VFD, motor consumes very less power. This type of fluid flow control is common in industry, wide spread application of variable frequency drives with power electronics area can help in large energy conservation. Thus the variable frequency drive serves both in case of speed control of motor as well as energy savings. The main objective of this proposed research work is to design, model, simulate and implement an improved power quality VFD for mitigating the power quality problems in variable speed drives used in different applications
Article Details
Unique Paper ID: 147082

Publication Volume & Issue: Volume 5, Issue 4

Page(s): 34 - 37
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