MENÜ
This paper deals with the technique to suppress the high dv/dt and to mitigate overvoltage at motor terminals due to voltage reflection using a sine-wave LC filter. The speed control of PWM VSI fed Induction Motor (IM) is implemented using DSP TMS320F28335. The sine-wave LC filter is designed and tested below the rated frequency.
Details
The sinusoidal PWM method and space vector PWM method used in VSI fed induction motor are studied, and also, the comparison between them is studied and analyzed. These methods have advantages in terms of harmonic reduction. ... (2012) VSI PWM inverter feed induction machine using volts per hertz control scheme. Prz …
Details 
In this paper, a novel, simple field-weakening strategy, which provides a maximum torque capability for a sinusoidal PWM VSI-fed induction motor drive, is presented. The purpose of proposed strategy is to add the absolute q-axis current to d-axis current reference so that proper flux and torque for any given torque-producing current reference ...
Details 
berbasis mikrokontroler. Pengendalian menggunakan rangkaian jembatan inverter jenis PWM-VSI (DC-Link inverter) dengan teknik modulasi PWM menggunakan mikrokontroler 68HC11E9, dan diharapkan dapat menggerakkan motor induksi pada kecepatan yang berbeda-beda. Pada penelitian ini digunakan motor induksi satu fasa Z-406, 220 Volt, …
Details 
This fact has made the inverter fed induction motor having a very common configuration in the majority of industrial applications. The VSI-fed IM drives are increasingly applied in many recent industrial applications that require excellent transient performance of drives. Better performance of P, PI and PID controller is studied and compared.
Details 
The brushless self-excited synchronous motor with half-wave rectified field windings invented by Nonaka (1958) is discussed. For low speed drive of the motor, a new method of voltage supply, one which superimposes higher-order harmonic components on sinusoidal low-frequency voltage by a pulsewidth modulated (PWM) GTO inverter, is presented.
Details 
Karakaya / Asenkron Motorun Modellenmesi ve Modern Denetim Yöntemleri ile Hız Analizi 498 Karaelmas Fen Müh. Derg., 2017; 7(2):497-502 2. Gereç ve Yöntem Yapılan çalışmada, asenkron motorun matematiksel modeli Matlab/Simulink paket programında gerçekleştirilmektedir. Asenkron motorun hız denetimi, PI ve BMPI Denetleyi-
Details 
Abstract: A description is given of a novel brushless stator DC-excited synchronous motor without a rotating AC exciter. The DC-exciting winding, having pole numbers different from that of the main three-phase winding, is incorporated in the stator. The rotor circuit consists of field coils short-circuited with diodes.
Details 
：. In this paper, the overmodulation region voltage-gain characteristics and waveform quality of carrier-based pulsewidth-modulated (PWM) methods are investigated. Through detailed analytical study, voltage-gain characteristics are extracted independent of carrier frequency. The influence of blanking time and minimum pulsewidth (MPW ...
Details 
Description. The Space Vector PWM VSI Induction Motor Drive block represents a classical closed-loop Volts/Hz control drive for induction motors. The block contains a closed-loop speed control with slip regulation. The speed-control loop outputs the reference motor slip, which is added to the measured rotor speed to obtain the reference frequency of the …
Details 
Keywords: Induction motor, Matlab, VSI, Sine PWM, VVVF. 1. Introduction The three phase induction motor, which is most widely used AC motor type in the domestic, industry, has been favored because of its self starting capability, low inertia, simple & rugged structure, suitable to all applications, low cost, low maintenance cost, less weight ...
Details 
ZIDANI et al.: FUZZY-BASED APPROACH FOR THE DIAGNOSIS OF FAULT MODES IN INDUCTION MOTOR DRIVE 587 case detected within one-fourth of the fundamental cycle. More recently, in [17], the PWM-VSI induction motor condition monitoring mechanism is based on discrete wavelet transform and fuzzy logic. The fault features are directly …
Details 
The voltage distortion in a PWM VSI is analysed and a new online estimation method for a permanent magnet synchronous motor (PMSM) is proposed to compensate for the time-varying voltage distortion. This new estimation method is not based on a direct voltage observation but on an indirect observation of the intermediate …
Details 
Vector control PWM-VSI induction motor drive with a long motor feeder: performance analysis of line filter networks ... Filtering techniques to minimize the effect of long motor leads on PWM inverter-fed AC motor drive systems. IEEE Trans. Ind. Appl., 4, 919 - 926 9) E. Persson . Transient effects in application of PWM inverters to induction ...
Details 
part of open-loop PWM-VSI drives requiring no additional hardware and only a few extra lines of software code. The proposed technique has been tested in the lab as part of a constant motor drive giving excellent results. The im-plementation of the proposed compensation technique requires only one current sensor and a low-sampling frequency, …
Details 
Description. The Space Vector PWM VSI Induction Motor Drive block represents a classical closed-loop Volts/Hz control drive for induction motors. The block contains a closed-loop speed control with slip regulation. The speed-control loop outputs the reference motor slip, which is added to the measured rotor speed to obtain the reference …
Details 
This study deals with simulation of Sine PWM VSI inverter fed induction motor drive. By varying the modulation index of SPWM then vary the voltage of VSI. This technique minimizes the lower order harmonics, heating and improves the response of VSI. The transient rotor current, electromagnetic torque and rotor speed of the Induction Motor will …
Details 
This example shows a PWM VSI induction motor drive with a braking chopper for a 3HP AC motor. H.Blanchette, L.-A. Dessaint (Ecole de technologie superieure, Montreal) Description. The induction motor is fed by a PWM inverter, which is built using a Universal Bridge Block. The speed controller consists in a PI regulator that produces a slip ...
Details
Benzetimlerde asenkron motor Ty=20 Nm ile yüklenerek, anahtarlama frekansı 2 kHz alınmıştır. 0 0.5 1 1.5 2 2.5 3 3.5 4 0 50 100 150 200 250 300 350 zaman(t) sn Wrref Wr Şekil-4.Doğal örneklemeli SPWM kontrollü asenkron ... Microsoft Word - Düzenli Örneklemeli Sinüzoidal PWM'in Asenkron Motorun Hız Kontrolündeki Etkileri.doc
Details 
For simplicity the proposed space vector approach generates pulses using instantaneous phase voltages only. To validate the proposed algorithm simulation studies have been carried on v/f controlled induction motor drive at various modulation indices and the results are presented. The results show the good agreement with the proposed work.
Details Copyright © 2023 Shibang Industry & Technology Group Co., Ltd.
