Results 131 to 140 of about 1,688,898 (159)
Selective Targeting of Kinesin on Lipid Droplets in the Liver Reduces Serum Lipids
Tripathy S +7 more
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Energy saving improved evaluation of inverter upgrade in submersible pump induction motor drives
, 2000 DI GERLANDO, ANTONINO, PERINI, ROBERTO
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Determination of operating conditions of submersible induction motors
IEEE Transactions on Industry Applications, 1992Adjustable-speed operations of induction motors are required to maintain their maximum efficiency levels. This can be achieved by constant slip operation of induction motors. In applications like submersible motor pumps, variable speed operation is also needed to obtain maximum efficiency at all loads. To maintain a constant slip operation of induction
M A Choudhury, M A Rahman
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Efficiency Analysis of Submersible Induction Motor with Broken Rotor Bar
, 2014 This study analyzes effects of squirrel cage faults on submersible induction motors efficiency at steady-state condition. There are a lot of studies about effects of the cage faults on motor performance. Especially, the effects of the cage faults on the motor parameters such as current, torque and speed are well known. Unlike the literature, cage fault
Arabaci, Hayri, Bilgin, Osman
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The detection of rotor faults in the manufacturing of submersible induction motor
2007 International Aegean Conference on Electrical Machines and Power Electronics, 2007In this study, rotor faults detection in submersible induction motors which is used at deep well submersible pumps is presented by analyzing stator current. In some production squirrel cage rotor bars are welded to end rings by argon welding. While the welding sometimes some bars are not connected to end rings ore bad connection have been occurred ...
Osman Bilgin, Hayri Arabaci
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Starting performances of delta-modulated inverter-fed submersible induction motors
IEEE Transactions on Industry Applications, 1992An analysis of the starting performance of tuned delta-modulated inverter-fed submersible motors is presented. Submersible motors are induction motors having unique constructional features. These motors are required to operate in one of the harshest environmental conditions.
M A Choudhury, M A Rahman
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A Numerical Model for Single-Point Bearing Faults Analysis in Submersible Induction Motors
IEEJ Transactions on Electrical and Electronic Engineering, 2022Submersible motors are widely used in industry, agriculture, and life. Despite their safety and efficiency, submersible motors suffer from a harsh working environment. Overheating and overload may cause seal damage to make sediment flood in, which will lead to bearing faults. Meanwhile, due to the particularity of the working environment of submersible
Chong Di, Yang Zhou, Zhe Ke
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Design considerations of submersible unprotected solid-rotor induction motor
2008 18th International Conference on Electrical Machines, 2008This paper deals with alternative solution of submersible sealed oil-extended motor - submersible unprotected solid-rotor induction motor of 12/18 kW, 750/1500 V, 3000/6000 rpm, which can operate inside oil well, in corrosive medium-strata liquid (mixture of oil, associated water, mineral admixture and oil gas) with ambient temperature 1500degC and ...
Viktor Antipov, Irina Kruchinina
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Design and Development of Energy Efficient Induction Motor for Solar PV fed Submersible Water Pump
2020 3rd International Conference on Energy, Power and Environment: Towards Clean Energy Technologies, 2021This paper presents an optimized energy efficient design and development of solar PV based three-phase submersible three-phase induction motor (SIM) prototype for water pumping system. It is a special kind of IM as designs and specifications differ from surface mounted induction motor. The efficiency of low rating (< 3hp) SIM is poor because of various
Rashmi Rai, Bhim Singh
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