Passivity-Based Control of Voltage Source PWM Rectifier Based on Synthesis Space Vector

2012 ◽  
Vol 466-467 ◽  
pp. 1120-1124 ◽  
Author(s):  
Sheng Sheng Xu ◽  
Jiu He Wang ◽  
Xiao Bin Mu ◽  
Wen Gu
Keyword(s):  
Response Speed ◽  
Voltage Source ◽  
System Response ◽  
Pwm Rectifier ◽  
Space Vector ◽  
Voltage Space Vector ◽  
Power Circuit ◽  
Space Vectors ◽  
Simulation Results ◽  
Passivity Based Control

This paper presents passivity-based control of voltage source PWM rectifier based on voltage space vector synthesis. According to the power circuit of voltage source PWM rectifier, port controlled Hamilton dissipation (PCHD) model of this rectifier is established. Based on the PCHD model, passivity based controller can be derived. The controller is realized by modulation of synthetic space vectors .The passivity based controller can improve the system response speed and stability more effectively. The simulation results verify the feasibility of the proposed controller.

Research of Fixed-Point SVG Algorithm Research Based on Deadbeat SVPWM Control

2013 ◽  
Vol 441 ◽  
pp. 813-816
Author(s):  
Ming Ke Zhang ◽  
Ying Zhang ◽  
Xiao Ming Zhang
Keyword(s):  
Reactive Power ◽  
System Response ◽  
Switching Frequency ◽  
Deadbeat Control ◽  
Space Vector ◽  
Voltage Space Vector ◽  
Power Theory ◽  
Instantaneous Reactive Power Theory ◽  
High Switching Frequency ◽  
Instantaneous Reactive Power

Nowadays, it is increasing high for power in instantaneous reactive power theory in Voltage Quality Improvement .In this paper, a deadbeat control method based on SVPWM is presented which is a new method of Reactive power compensation of SVG subsystem. This method could detect the reaction current in real-time by instantaneous reactive power theory .To improve system response speed. This paper takes the theory of voltage space vector to against to the lack of direct current control high switching frequency. Also gives the analysis about the application of the principle of voltage space vector theory. Using deadbeat control technology is to eliminate the delay caused by calculation and sampling. Combined deadbeat control and voltage space vector in Matlab simulation system of the Control scheme. Simulation results demonstrate the validity and effectiveness of this method.

Study on DPC-SVM Rectifier Based on Power Feedforward

2011 ◽  
Vol 383-390 ◽  
pp. 6942-6947
Author(s):  
Zhang Fei Zhao ◽  
Guo Jun Tan ◽  
Meng Liu ◽  
Guo Zhen Chen ◽  
Zheng Wang
Keyword(s):  
Control Method ◽  
Feedforward Control ◽  
Dynamic Performance ◽  
Response Speed ◽  
Mathematic Model ◽  
System Response ◽  
Pwm Rectifier ◽  
Vector Modulation ◽  
Control Principle ◽  
The Impact

In this paper, on the basis of the mathematic model of the three-level PWM rectifier, a power feedforward based control strategy is proposed combining with direct power control with space vector modulation (DPC-SVM) control principle. Feedforward control can reduce or even eliminate the impact on the system causing by load disturbance to improve dynamic performance. The simulation results show that the control method makes the system response speed faster and the dynamic performance better, it largely improved the system rectifier capacity against load disturbances.

scholarly journals Performance Analysis of Three-Phase Inverter Using Different Techniques for the Grid- Connected Pv System

2021 ◽  
Vol 23 (06) ◽  
pp. 1682-1698
Author(s):  
Laxmi Singh ◽  
◽  
Dr. Imran ◽  
Keyword(s):  
Pulse Width Modulation ◽  
Harmonic Distortion ◽  
Voltage Source ◽  
Phase Voltage ◽  
Voltage Source Inverter ◽  
Pv System ◽  
Space Vector ◽  
Switching Losses ◽  
Three Phase ◽  
Simulation Results

The model of a three-phase voltage source inverter is examined based on space vector theory. SVPWM offers an improved outcome with the inverter as compared to the conservative SPWM technique for the inverter. There is a 15.5% upsurge in the line voltage of the inverter. SVPWM better exploits the available DC-link power with the SVPWM inverter. It has been revealed that the SVPWM method utilizes DC bus voltage extra competently and produces a smaller amount of harmonic distortion and easier digital realization in a three-phase voltage-source inverter. For converter‘s gating signals generation, the space-vector pulse width modulation (SVPWM) strategy lessens the switching losses by restricting the switching to two-thirds of the pulse duty cycle. A hypothetical study regarding the use of the SVPWM the three-level voltage inverter and simulation results are offered to prove the usefulness of the SVPWM in the involvement in the switching power losses lessening, output voltages with fewer harmonics. Nevertheless, despite all the above-cited benefits that SVPWM enjoys over SPWM, the SVPWM technique used in three-level inverters is more difficult on account of a large number of inverter switching states. The attained simulation outcomes were satisfactory. As prospects, future experimental works will authenticate the simulation results. A software simulation model is developed in Matlab/Simulink.

scholarly journals The modified space vector PWM for three-phase voltage source inverter with AC decoupling circuit

2014 ◽  
Vol 17 (2) ◽  
pp. 18-32
Author(s):  
Dzung Quoc Phan ◽  
Anh Bao Nguyen ◽  
Hiep Chi Le
Keyword(s):  
Pulse Width Modulation ◽  
Voltage Source ◽  
Phase Voltage ◽  
Voltage Source Inverter ◽  
Space Vector ◽  
Pv Panel ◽  
Three Phase ◽  
Space Vectors ◽  
Current Flows ◽  
Bidirectional Switches

This paper proposes the modified space vector pulse width modulation (SVPWM) control algorithm for the three-phase voltage source inverter (VSI), which consists of traditional six switches VSI and three bidirectional switches for creating the ac decoupling circuit. This topology has some advantages such as the ability to reduce the leakage ground current from PV panel and therefore improve the efficiency of photovoltaic (PV) energy conversion based on the principle of decoupling when the zero space vectors occur. Likewise, no current flows through six traditional switches in zero space vectors, thus they operate at lower average temperature. In this case, the conduction losses are reduced. For avoiding shoot-through states between six traditional switches and three bidirectional switches, a delay time has been added to switching time and managed carefully to guarantee THD of output voltage. Operating of the inverter with the modified SVPWM method is simulated by using Matlab/Simulink software and implemented in the experimental prototype by using FPGA Virtex 5 (Xilinx).

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