Results 131 to 140 of about 564 (164)

Analyzing and restraining on harmonic of the SPWM inverter

2009 International Conference on Communications, Circuits and Systems, 2009
With the increasing of switch frequency, the carrier wave frequency become higher and higher. High switch frequency can enhance the performance and decrease the output filter of power supply system. However, higher switch frequency may also bring about heavy harmonics interference.
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Study on the technology of inverter based on DSP and SPWM

International Conference on Automatic Control and Artificial Intelligence (ACAI 2012), 2012
This paper introduces a SPWM inverter to output the high precision three-phase SPWM through rule sampling method,based on TMS320LF2407A chip,by using comparison units on event manager. Simple circuit,easy programming,high quality and reliability of SPWM waveform,and output waveform of the variable frequency,all can well meet the requirements of VVVF ...
null Lin Chengwu, null Sun Bingbin, null Liu Yan   +2 more
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Design of a Multilevel Inverter Using SPWM Technique

2019
This paper proposes and examines a sinusoidal pulse width modulation (SPWM)-based single-phase diode clamped multilevel inverter for generation of multilevel output voltage. The SPWM signals and digital square pulses are generated using a single PWM module and I/O port of a PIC microcontroller.
Arka Ray, Shuvadeep Datta, Amitava Biswas, Jitendra Nath Bera   +3 more
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Dead-Time Compensation of SPWM Based on STM32F103

Applied Mechanics and Materials, 2014
This paper analyzes the negative influence of dead-time,point out the shortcomings of traditional dead-time compensation methods , and then present a dead-time compensation method. Simulink simulation shows that the proposed method is effective.
Sheng En Zhuang, Ming Yu Gao, Xin Xin Zhan, Liang Wang   +3 more
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Analysis and Suppression Strategy of Harmonics for SPWM Inverter

Advanced Materials Research, 2012
The three-phase voltage type SPWM inverter output voltage and current harmonic and its generation rule is discussed. And put forward a new easy to implement harmonic suppression strategy, the method through the correct choice of the carrier frequency and the sinusoidal wave superimposed on a three wave makes saddle shaped wave, to produce a ...
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Estimation of Harmonics for Generating SPWM Based on DSP

2010 International Conference on Artificial Intelligence and Computational Intelligence, 2010
Aiming at the wide application of SPWM sinusoidal modulation wave in the inverter circuit, the paper presents a method of generating SPWM wave according to an improved equal area algorithm based on digital signal processor (DSP) TMS320F2812, and adopts a particle swarm optimization (PSO) algorithm to estimate the amplitude and phase of harmonics, hence,
Wei Ji, Weixing Lin
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The Study of SPWM Controller Based on TMS320F2812 DSP

Advanced Materials Research, 2012
The paper gives an introduction to a generation method of SPWM, based on TMS320F2812 DSP developed by the IT Company to adapt to the situation that the SPWM is widely used in the medium voltage inverter. It discusses the SPWM generation principle, and shows the System hardware architecture and its Software implementation. By experiments, this method is
exaly   +2 more sources

Implementation of a Multilevel SPWM Inverter For Capacitive Loads

2006 IEEE International Conference on Industrial Technology, 2006
In this paper, implementation of a SPWM multilevel inverter based on harmonic cancellation and sideband reduction method has been presented for improving inverter efficiency in driving capacitive loads for an ITS application. MatLab simulation and experimental results have validated the proposed harmonic cancellation approach.
Hirak Patangia, Dennis Gregory
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Bubbling phenomenon in a unipolar SPWM inverter

2021 IEEE 5th Colombian Conference on Automatic Control (CCAC), 2021
Anderson Fabian Abella, Jose D. Morcillo, Fabiola Angulo   +2 more
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A switching loss study in SPWM IGBT inverter

2008 IEEE 2nd International Power and Energy Conference, 2008
This work discusses an exact mathematical approach of calculating the IGBT turn-on, turn-off and on-state energy losses. Instantaneous voltage and current values are studied, linearized and employed to formulate the equations needed to calculate the IGBT switching loss.
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