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- W2189341873 abstract "Variable Frequency Drives (VFD) are the devices used for varying the speed of a driven equipment (such as pumps,blowers,fans etc) to exactly match the process requirements and achieve energy savings as well. Experimental investigations have been carried out in this research on a submersible pump. The electrical power is supplied to the submersible pump through VFD. The submersible pump is driven by VFD at different speeds and the flow is controlled with throttle valve. The flow is also controlled by controlling the speed of the prime mover by varying the frequency input of the prime mover. The performance of pump at different speeds with flow adjustment is studied. The flow of pump is calculated by considering the time taken for 24 liters of water collection. The overall efficiency of the system is calculated in each case of flow adjustment. The electrical power consumed in each case of flow control is noted by using wattmeter readings. The variation of electrical power consumption with variation in flow by variable speed control is compared with that of throttle valve control. Factors affecting shift in best efficiency point with reduction in speed, variation of electrical power with flow, effect of VFD on power factor of the system have been discussed. The observation include the revelation of the fact that the reduced speed of operation results in saving of power, keeping the operation efficiency as high as possible across variation in system’s flow demand can reduce the energy and maintenance costs of the pump significantly." @default.
- W2189341873 created "2016-06-24" @default.
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- W2189341873 date "2009-12-14" @default.
- W2189341873 modified "2023-09-26" @default.
- W2189341873 title "A Study of Variable Frequency Drive (VFD) For Minimization of Energy Consumption in Submersible Pumps" @default.
- W2189341873 hasPublicationYear "2009" @default.
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