Results 161 to 170 of about 5,546 (208)

An analysis of delta modulated PWM inverter

1985 IEEE Power Electronics Specialists Conference, 1985
This paper presents an analysis of a voltage source delta modulation (DM) inverter. The delta modulation method provides several advantageous characteristics over commonly used sine modulation process. It is relatively easy to implement and provides low harmonics at the inverter output.
M. A. Rahman, J. E. Quaicoe, M. A. Choudhury   +2 more
openaire   +1 more source

Different PWM modulation techniques indexes performance evaluation

ISIE '93 - Budapest: IEEE International Symposium on Industrial Electronics Conference Proceedings, 2002
Fully digital AC drives with pulse width modulated inverters are becoming an industrial standard. For PWM inverters several strategies are used. A complete view of the most common carrier based strategies, as sinusoidal PWM, third harmonic injected PWM, discontinuous or dead band PWM and space vector PWM is presented. The authors propose a method based
BOGLIETTI, Aldo, GRIVA, Giovanni Battista, PASTORELLI, MICHELE ANGELO, PROFUMO, Francesco, ADAM T.   +4 more
openaire   +2 more sources

PWM sinusoidal inverter with modulation switching and carrier frequency modulation

1998 International Conference on Power Electronic Drives and Energy Systems for Industrial Growth, 1998. Proceedings., 2005
This paper discusses basic characteristics of the pulse width modulation (PWM) sinusoidal inverter achieved by means of modulation switching operations. The considered PWM is to repeat the operation of leading and trailing edge modulation at each peak of a reference sinusoidal signal.
S. Kaku, S. Hashimoto, K. Yoshida
openaire   +1 more source

Near-Optimum On-Line Modulation of PWM Inverters

IFAC Proceedings Volumes, 1983
Abstract The paper analyses the influence of the total harmonic deviation on supplementary losses and torque pulsations in the induction motor. By dissembling the deviation between the stator flux-linkage polygon and the fundamental circle into its components, a new insight is won.
openaire   +1 more source

Interleaved PWM with discontinuous space-vector modulation

IEEE Transactions on Power Electronics, 1999
This paper describes the effect of interleaved discontinuous space-vector modulation (SVM) in paralleled three-phase systems using three-phase pulsewidth modulation (PWM) rectifiers as an example. At the discontinuous point of the SVM, the phase shift between the switching signals of the paralleled modules generates a zero-sequence excitation to the ...
null Kun Xing, F.C. Lee, D. Borojevic, null Zhihong Ye, S. Mazumder   +4 more
openaire   +1 more source

Performance Analysis of Delta Modulated PWM Inverters

IEEE Transactions on Power Electronics, 1987
An analysis is presented of a voltage source delta modulation (DM) inverter. The delta modulation method provides several advantageous characteristics over commonly used sine modulation process. It is relatively easy to implement and provides low harmonics at the inverter output.
M. Azizur Rahman, John E. Quaicoe, M. A. Choudhury   +2 more
openaire   +1 more source

Development of a Modulation Strategy for a PWM Inverter Drive

IEEE Transactions on Industry Applications, 1979
When induction motors are driven by electronic inverters, the applied voltage waveforms are quite nonsinusoidal. The fundamental component of the current is controlled by the load. The harmonic currents are limited principally by the motor leakage inductance and are independent of load. These harmonic currents can lead to increased motor heating and to
Gerald B. Kliman, Allan B. Plunkett
openaire   +1 more source

A New Microcomputer Controlled Modulator for PWM Inverters

IEEE Transactions on Industry Applications, 1986
The design of a new microcomputer controlled modulator for a pulsewidth modulated (PWM) inverter supplying a three-phase induction machine is presented. The requirements for the control of variable speed drives in general are discussed. The specifications for the PWM modulator are set out and explained.
Johan Hamman, Lourens P. Du Toit
openaire   +1 more source

PWM modulator with increased reliability in FPGA circuit

2012 ELEKTRO, 2012
This paper deals with the design and simulation of PWM modulator with increased reliability implemented in FPGA circuit Spartan-3A DSP-1800th. The proposal and design has been made in the simulation program ISE from Xilinx. Quantification of the reliability of single, double and three — module system is also discussed in paper.
Ondrej Hock, Peter Drgona
openaire   +1 more source

Research of Chain-SVG PWM Modulation Strategy

Advanced Materials Research, 2014
With the rapid development of control theory and microprocessor, many new rectifier control strategy has been born. In current power system, the rapid development of full-control devices, the high application of converter makes the electricity demand is higher and higher.
Lin Liu, Zhong Chu Wang, Chun Bo Gu
openaire   +1 more source