نتایج جستجو برای: traction motor
تعداد نتایج: 169609 فیلتر نتایج به سال:
Electric Vehicles (EVs) are continuing to grow their share of total vehicle sales as consumers, companies, and governments prioritize automotive electrification. Types EVs include hybrid electric, plug-in battery fuel cell vehicles. Today, commonly use an ac permanent magnet or induction motor. A traction inverter is a critical drivetrain element required convert the dc current available from p...
background with increasing incidence of traumatic fractures, the use of orthopedic intervention such as traction has increased. inappropriate traction care may cause substantial morbidity and delay the patient rehabilitation. objectives this study was conducted to evaluate the quality of care for patients with traction in the orthopedic unit of kashan's shahid beheshti hospital, kashan, iran. p...
The stator winding insulation system is the most critical and weakest part of EMU’s (electric multiple unit’s) traction motor. effective diagnosis for ITSC (inter-turn short-circuit) faults can prevent a fault from expanding into phase-to-phase or ground short-circuits. TCU (traction control unit) controls inverter to output SPWM (sine pulse width modulation) excitation voltage when motor at st...
The design procedure of a second-generation wavelet packet decomposition, based on an evolutionary approach, is introduced for industrial fault detection. The procedure has been validated by means of an experimental case study for an induction motor used as traction machine in an elevator system. Preliminary results on three mechanical faults related to ball-bearing show encouraging performance.
This study deals with the demands of traction motor design process in where not only the application set some design limits but also the control method set its own boundaries. It is a demanding task to design a traction application in where the driving speed varies from low speed up to field weakening area. Permanent Magnet (PM) synchronous reluctance motors are often used in traction applicati...
Although motorcycle crash is one of the most common causes of death and injury, there hasn’t been a standard experiment system to simulate the generation of the resulting motorcycle impact injuries. A unique motor drive unit (MDU) and motorcycle crash simulation unit (MCSU) were developed to establish a short-track and high-accuracy experiment system of motorcycle impact injury. The control har...
Day by day use of internal combustion engines (ICE) compared to electric vehicles (EV) is deteriorating because mainly pollution and their less fuel availability. In the present scenario, an vehicle plays a major role in place ICE vehicle. So that performance EV can be improved proper selection motor. Initially, prefers induction motors for traction purposes, but complexity controlling motor, p...
In numerous vital industrial, medical and defence applications the translational movements are performed by linear electric motors. In such applications both the linear motor and its power converter should be fault tolerant. To fulfil this assignment redesigned motor structures with novel phase connections must be used. In the paper a three-phase fault-tolerant modular variable reluctance linea...
The paper deals with analysis of dynamic behavior of a feedback flux weakening control of PMSM traction drive for light vehicles. The PMSM flux weakening is very important for traction drives. Two torque control structures were analyzed pure feedback control and feedback control with prediction of the field producing current component. The principles, control structures, simulation and experime...
The article presents the features of traction switched reluctance motors with a diametric closure magnetic flux and “short field”. A computer simulation motor short field is performed for ideal location rotor inside stator, as well two cases displacement. hodographs radial interaction forces stator are calculated.
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