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1.338  Articles
1 of 135 pages  |  10  records  |  more records»
Squirrel cage ball bearings are used in recent aero engines to overcome the vibration andstability problems associated with rotor systems supported by conventional bearings. The criticaldesign feature of squirrel cage bearing is to provide flexible suppor... see more

Most of the electrical machines design studies found in literature lie on the concept that the design under investigation (and optimization) focuses mainly on the geometrical aspects of the machine and thus takes into account only a certain ferromagnetic ... see more

This paper presents some spatial saliencies found in standard squirrel-cage induction motors. A technique for measuring and determining the magnitude of saliencies in induction machines by injecting a balanced, three-phase high frequency carrier signal is... see more

This paper describes the reduced capacity of the inrush current suppressor using a matrix converter (MC) in a large-capacity wind power generation system (WPGS) with two squirrel-cage induction machines (SCIMs). These SCIMs are switched over depending on ... see more

The conventional protection schemes may lead towards the inadvertent operation of the protection devices with the increased penetration of renewable energy sources based distributed generation (RES-DG) in distribution networks (DN). The miscoordination an... see more

TThe induction motor is the electric drive for industry so special attention is needed for maintainance and control system. Induction motors pulling high starting currents at starting. Various starting methods have been developed to overcome this problem,... see more

Induction motor usage is increasing drastically due to new entrant of electric vehicle, traction and propulsion systems at present. Temperature of electric motors are significantly affect its parameters. Since, resistances variation of stator and rotor wi... see more

Recently, the idea of electricity generation from one side has changed by introducing the concept of microgrid. The latter enables not only producer to be consumer or vice versa. But to aggregate different renewable energy sources like solar and wind in o... see more

 
It was conducted a calculation of the parameters of the T-shaped equivalent circuit of a large asynchronous engine with the use of precise G-shaped equivalent circuit for nominal data and some characteristic sizes of the machines. It was chosen the calcul... see more

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