نتایج جستجو برای: variable speed drive
تعداد نتایج: 530452 فیلتر نتایج به سال:
چکیده ندارد.
Given the significant power generation and consumption of variable-speed pumped storage power plants (VSPSPs), it is crucial to enhance drive methods and decrease drive losses, thereby increasing productivity. This paper proposes the topology for VSPSP drivers with two level voltage source converters (2LVSC) with 6+1 converters. Hydraulic and electrical VSPSP models are presented, following whi...
Variable speed drive technology has advanced dramatically in the last 10 years with the advent of new power devices and magnetic materials. This has given rise to substantial confusion by users and specifiers of variable speed drive equipment. Add to that the difficulty in evaluating efficiency and power factor and the subject of drive selection becomes a daunting task indeed. There is no singl...
Permanent Magnet Synchronous Motor because of high energy storage capability is very important in electrical drive industry. Speed control of this motor suffers from parameter variations such as variable inductance. In this paper, The Integral-Terminal Sliding Mode Control (ITSMC) method is used to control the speed (torque) along with d-axis current control. This method is like to classic slid...
Improving the operational reliability of nuclear power plants, combined heat and plants (CHP), as well oil gas pipelines is a priority task in development variable-speed drive for lock valves used at these facilities. This paper analyzes technical requirements such devices: motor has been selected, its electrical equilibrium moment equations have obtained; recommendations selection kinematic sc...
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