Title :
Size Reduction Of UPS Output Filter by Optimal PWM
Author :
Rahmati, A. ; Abrishamifar, A. ; Arasteh, M.
Author_Institution :
Iran Univ. of Sci. & Technol., Tehran
Abstract :
Generally the size of the power inverters is determined by its output LC filter since it is bulky. It can be made smaller using the higher switching frequency. However, in high-power inverters we can not increase the switching frequency due to switching losses limitations. Optimal PWM is the most efficient way to reduce THD while the switching frequency is low. The technique used in this paper is based on optimal PWM to remove low frequency harmonics up to 78th
Keywords :
PWM invertors; harmonic distortion; power conversion harmonics; power harmonic filters; switching convertors; uninterruptible power supplies; PWM power inverters; THD reduction; UPS LC output filter; switching frequency; Capacitors; Convergence; Nonlinear equations; Polynomials; Power harmonic filters; Pulse width modulation; Pulse width modulation inverters; Switching frequency; Uninterruptible power systems; Voltage;
Conference_Titel :
Universities Power Engineering Conference, 2006. UPEC '06. Proceedings of the 41st International
Conference_Location :
Newcastle-upon-Tyne
Print_ISBN :
978-186135-342-9
DOI :
10.1109/UPEC.2006.367553
