Results 71 to 80 of about 233 (108)
A novel current-tracking method for active filters based on a sinusoidal internal model [for PWM invertors]A new current control method based on the internal model principle in control theory is proposed. It introduces a sinusoidal internal model into the control system. It does not use any coordinate transformations. The method can be used for tracking an arbitrary number of harmonics: a DC component or fundamental frequency component signal. It is applied
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Een three-level invertor als vermogenselektronische netkoppeling van een permanentmagneet generator [PDF]
, 1995 Dijkhuizen, F.R.
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Methods and Models for Computer Aided Design of Wind Power Systems for EMC and Power Quality [PDF]
, 2010 Alexey Shamaev +4 more
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Power quality and electromagnetic compatibility : special report - session 2 [PDF]
, 2017 Desmet, Jan +2 more
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Optimal surplus harmonic energy distribution [in PWM invertors]
IECON '98. Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.98CH36200), 2002A new optimal programmed PWM technique is described. The voltage total harmonic distortion at the output of an L-C filter connected to a PWM inverter is minimized. The proposed technique can be directly applied to constant frequency, constant amplitude sinusoidal power supplies such as uninterruptible power supplies.
null Li Li, D. Czarkowski, J. Dzieza
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Comprehensive study on space-vector-PWM and carrier-based-PWM correlation in multilevel invertors
IEE Proceedings - Electric Power Applications, 2006The paper presents a theoretical analysis of the correlation between carrier-based unipolar PWM (CPWM) and space-vector PWM (SVPWM) for the entire modulation-index range of multilevel invertors, including overmodulation. By presenting corresponding parameters of vector redundancies in a zero-sequence function, the carrier-based PWM has matched the ...
Nho, NV, Youn, MJ Youn, Myung Joong
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PESC97. Record 28th Annual IEEE Power Electronics Specialists Conference. Formerly Power Conditioning Specialists Conference 1970-71. Power Processing and Electronic Specialists Conference 1972, 2002
The authors present a statistical approach to the analysis of random PWM (RPWM) methods, for use in DC/AC power conversion, which generate PWM signals by comparing a reference modulating function with random numbers or signals. Such an approach is used to analyse and optimise a new weighted RPWM (WRPWM) method and also a standard trapezoidal RPWM ...
Y. Shrivastava +2 more
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The authors present a statistical approach to the analysis of random PWM (RPWM) methods, for use in DC/AC power conversion, which generate PWM signals by comparing a reference modulating function with random numbers or signals. Such an approach is used to analyse and optimise a new weighted RPWM (WRPWM) method and also a standard trapezoidal RPWM ...
Y. Shrivastava +2 more
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FPGA implementation of PWM pattern generators [for PWM invertors]
Canadian Conference on Electrical and Computer Engineering 2001. Conference Proceedings (Cat. No.01TH8555), 2002Pulse width modulation is used in power converters to modulate a reference signal into gating pulses for IGBT switches. This conversion can be carried out using analog circuits or digital circuits, such as DSPs and microcontrollers. A more efficient and faster solution is the use of field programmable gate arrays (FPGA).
null Dan Deng, null Su Chen, G. Joos
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