Two simple control strategies for current-controlled VSI-PWM (voltage-source-inverter-pulse-width-modulated) transistor inverters are presented. Both methods are based on three-level hysteresis comparators that select appropriate inverter output voltage vectors using a switching EPROM table. The first ...
Study and Simulation of Current Controlled PWM Inverters and their applications A voltage source inverter can be operated as a voltage source or current source depending on the modulation technique used. Traditional modulation techniques for the control of Voltage Source Inverters (VSI) generally use op...
A prototype PWM rectifier/inverter system (2.2 kW) has been implemented and tested. Some experimental results show reduction characteristics of the supply ... S Ogasawara,M Fujikawa,H Akagi - 《Electrical Engineering in Japan》 被引量: 18发表: 2010年 Control of an induction motor drive fed wit...
Current measurement and pulse-width modulation (PWM) are critical components of modern current controlled voltage source inverters (VSI). Current measurement enables accurate and robust closed-loop control of current, while PWM enables the efficient, high bandwidth regulation of the voltage. These two ...
18, NO. 3, MAY 2003 Stationary Frame Current Regulation of PWM Inverters With Zero Steady-State Error Daniel Nahum Zmood, Student Member, IEEE and Donald Grahame Holmes, Member, IEEE Abstract—Current regulators for ac inverters are commonly categorized as hysteresis, linear PI, or deadbeat ...
analysis and experimental verification for an improved predictive current control technique applied to single phase grid connected voltage source inverters (VSI)... Atia,Yousry,Salem,... - 《Journal of Power Electronics》 被引量: 12发表: 2013年 PERFORMANCE ANALYSIS OF PWM CONTROLLED SINGLE PHASE QU...
A load voltage and output current control for the three-level neutral-point-clamped (NPC) VSI is presented in this work. In usual operation, the regulator controls the voltage applied to the load. If an overcurrent occurs, the regulator will switch to current mode controller and the current ...
The currentcontrolledPWM stra... A Ionescu,M Imecs,I Incze - 《Journal of Computer Science & Control Systems》 被引量: 2发表: 2013年 Single-Feedback Based Inverter-Current-Controlled LCL-Type Grid-Connected Inverters with Capacitor-Current Active Damping: Robust Design and Single-Feedbac... ...
II. M ODELING OF VOLTAGE S OURCE C ONVERTERS WITH LCL - FILTER In this Section, a discrete model for grid-connected voltagesource inverters with LCL-?lter is derived. Fig. 1 shows a typical VSI with LCL-?lter where the grid is represented by its Thevenin equivalent circuit at the ...
Topology and PWM control method of a novel voltage-source inverter Multilevel inverters have been used widely because of their high power capability, lower output harmonics and lower commutation losses and so on. Their mai... X Sun,L Sun,Y Zhang,... - 《Transactions of China Electrotechnical...