Universiti Teknologi Malaysia Institutional Repository

Design of a current mode PI controller for a single-phase PWM inverter

Mortezaei, A. and Azli, N. A. and Ayob, S. M. and Cherati, S. M. (2011) Design of a current mode PI controller for a single-phase PWM inverter. In: IEEE Applied Power Electronics Colloqium (IAPEC).

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Official URL: http://ieeexplore.ieee.org/document/5779864/


This paper presents the design of current mode PI controller for single-phase PWM inverter. The controller is comprised of inductor current as the inner loop and output voltage as the outer feedback loop. The control design is carried out using Sisotool, which is provided in Matlab. By using this tool, users can examine the effects of changing the gain control values to system's transient response and stability, simultaneously. Hence, simplify and speed up the control design process. To evaluate the performance of the designed controller, the inverter is simulated under several types of load disturbances. From the result, it is shown that the designed controller exhibits a good transient response i.e. fast rising and settling time with small overshoot when subjected to step load disturbance.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Inverters, Voltage control, Inductors, Load modeling, Feedback loop, Bandwidth, Transfer functions, transient response, control system synthesis, electric current control, gain control, PI control, PWM invertors, stability
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:45725
Deposited By: Haliza Zainal
Deposited On:10 Jun 2015 03:01
Last Modified:06 Jul 2017 04:50

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