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Search results for: frequency
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Year: 2014, Volume: 14, Number: 3
... of a connected in parallel with the capacitor, being PWM (Pulse two speed single phase induction motor drive is presented. The Width Modulation) controlled at supply frequency (Fig. 1). ECC solution and the method with solution with a fixed value capacitor are comparatively analyzed in terms of efficiency and maximum torque availability ...
Year: 2010, Volume: 10, Issue: 3
... semiconductor power electronic between inverter output and filter elements is required to components have enabled advanced control techniques with reshape the motor terminal voltage which may violate the high switching frequency and the high efficiency. Complex inverter's current limit. control algorithms have been widely used and got simplified In classical PWM and flux vector controlled drives, due ...
Year: 2021, Volume: 21, Number: 2
... the I. INTRODUCTION inverter. All this makes it possible not only to have a DTC Permanent magnet synchronous motors (PMSM) are operating at a fixed switching frequency but also to take into efficiently used in industrial applications. They have account the nonlinearity and uncertainty of the system, relatively higher power density, high torque ...
Year: 2020, Volume: 20, Number: 4
... (SGW): its primary functions mechanism that consists of three phases. The first considers include the routing and forwarding of packets, as well as the the frequency domain for the effective use of bandwidth; the necessary support so that UEs move in areas serviced by second manages transmission queues and calculates different eNodeBs; expected ...
Year: 2017, Volume: 17, Number: 2
... , the following blocks were used: torque; T L – load torque; Ω m – mechanical rotor angular SM – synchronous motor; speed. FC – frequency converter; The electrical rotor speed is given by the derivative of the T 3/2 – block of the Clarke transformation; electrical rotor angle: PWM ...
Year: 2010, Volume: 10, Issue: 4
... topology of the is obviously that the last must be as small as possible in inverter is chosen in accordance with the commutation table order to achieve a convenient switching frequency. [7]. The requested action is delivered by two hysteresis In simulation it is possible to choose a fixed step size as discrete controllers which give ...
287. Accurate Modeling of a Transverse Flux Permanent Magnet Generator Using 3D Finite Element Analysis
Year: 2011, Volume: 11, Number: 3
... can be significantly reduced by of stator cores) and n rps  stands for the rotational speed, combining three single phase modules into a three phase then the frequency of output voltage is determined exactly machine. as it would be for a synchronous machine, i.e., Digital Object Identifier 10.4316/AECE.2011.03019 115 1582-7445© ...
Year: 2016, Volume: 16, Number: 4
... of Technical Sciences, Novi Sad, 21000, Serbia sgoran@uns.ac.rs 1 Abstract — This paper presents the prototype of a capacitive planar electrodes exited by a high frequency signal to angular position/velocity sensor which exploits the advantages measure capacitance [8]. One approach uses two (usually of flexible/printed electronics. ...
Year: 2014, Volume: 14, Number: 1
... aircraft; IEEE 1394b [3] is used in number of elements. The amount of elements depends on unmanned vehicles and tactical military aircraft. For the what frequency the given flight or aircraft parameter will be proposed aircraft on-board electronic system, the Controller transmitted at, on the number of flight parameters and on the Area ...
Year: 2011, Volume: 11, Number: 2
... of the motor for both speeds. motor represented the best solution for variable speed A comparison between motors with two distinct windings applications. Then, the development of frequency converters and with one winding with switchable number of poles based on transistors and later on other powerful "electronic proves a better utilization of the machine for the ...
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