Results 171 to 180 of about 3,368 (221)
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An improved design of SVPWM system
Proceedings of 2011 6th International Forum on Strategic Technology, 2011Aiming at the low utilization rate of SPWM voltage, numerous harmonics, and complex structure of general space voltage vector SVPWM(space vector pulse width modulation), an improved SVPWM system is designed in this paper. In our design, two orthogonal sinusoidal input voltage U x and U y are processed with simple addition and subtraction, as well as ...
null Wu Li-hua +3 more
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Research on A Novel SVPWM Algorithm
2007 2nd IEEE Conference on Industrial Electronics and Applications, 2007The dwelling time of neighboring voltage space vectors in space vector pulse width modulation (SVPWM) is considered, and a novel algorithm is proposed in this paper, which significantly reduces computation burden and is easy to realize in program comparing to the conventional one.
Xing Shaobang, Zhao Ke-You
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A Modeling and Simulation Method for SVPWM
Applied Mechanics and Materials, 2014The SVPWM technique plays an important role in the DC-AC transform. The modeling and simulation for SVPWM were proposed in this paper. The sector calculating model and basic vector working time model were set up. The effective vector function of time was set up. The triangle wave symmetry modulation was established too. The simulation results show that
Jia Quan Lin, Xu Yu Cheng, Xin Mu
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FPGA implementation of SVPWM approximation
2015 Conference on Design of Circuits and Integrated Systems (DCIS), 2015The PWM signal generator is a key element in DC-AC conversion and AC drives. A new scheme based on the approximation of Space Vector Pulse Width Modulation is proposed to minimize the mathematical complexity involved with the SVPWM, while retaining its advantages. The proposition has been implemented on FPGA using Hardware Description Language VHDL and
Salim Boukaka +2 more
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Application of Random SVPWM Technique
Applied Mechanics and Materials, 2014This paper analyses the harmonic distribution of current and voltage of inverter output based on RSVPWM control strategy and compares the result with normal SVPWM strategy. It gives the random strategy and verifiesthe strategys feasibility. Experimental results show that RSVPWM control method makes harmonic energy evenly distributed in wide frequency ...
Jian Guang Zhu +2 more
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Quality Analysis of SVPWM Inverter Output Voltage
2008 International Conference on Computer Science and Software Engineering, 2008This paper simply introduces the working principle of SVPWM inverter. And then analysis the method of space vector calculation, deduces the detail equations that can be easily used. The paper also calculates and compares the output voltage waves of SVPWM inverter with different modulation rate k in every fan district, try to obtain the harmonic compose.
Guilian Guo, Wenxia You
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Based FPGA Development of Optimized SVPWM Algorithm
2009 Pacific-Asia Conference on Circuits, Communications and Systems, 2009An optimized algorithm using neural network is presented, and the characteristics of neural network are introduced. This algorithm has advantages in increasing precision, reducing calculating time, reducing additional memory and the deterioration of the harmonic. This paper introduces a new FPGA: ALTERA’S ACEX chip and EDA tool: MAX+PLUS II. For recent
Jianlin Li, Honghua Xu, Zhangzhong Chao
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Synchronized SVPWM techniques for five-phase drives
2017 IEEE 26th International Symposium on Industrial Electronics (ISIE), 2017This paper introduces a set of synchronized Space Vector Pulse Width Modulation (sSVPWM) techniques suitable to be used with five-phase voltage source inverters (VSI), for both static loads and adjustable speed drives. Medium voltage speed drives usually operate at reduced switching frequencies trying to minimize the semiconductors' switching losses ...
Joel Prieto +2 more
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A simplified SVPWM control algorithm for multilevel VSI based two-level SVPWM control algorithm
2007 International Conference on Electrical Machines and Systems (ICEMS), 2007Multi-level VSI is most promising in high power, high voltage application environment. As the number of level increasing, the SVPWM is more and more complexity. In this paper, a new SVPWM method for multi-level VSI is proposed. This method is based SVPWM method for two-level VSI.
null Weidong Jiang +3 more
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Analysis of SVPWM Driving Characteristics
Applied Mechanics and Materials, 2013The switch turn-on schedule is given according to principle of Voltage Space Vector PWM, SVPWM modulation function and its discrete function are introduced, the switch drive logic function is derived too. Based on DSP TMS320F2812, a five-phase SVPWM drive out is realized, and the single-end and double-end drive output signal are measured, the signal ...
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