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- Javad Ebrahimi, Ebrahim Babaei, Gevork B. Gharehpetian
- IEEE Trans. Industrial Electronics
- 2012

In this paper, a new topology for cascaded multilevel converter based on submultilevel converter units and full-bridge converters is proposed. The proposed topology significantly reduces the number of dc voltage sources, switches, IGBTs, and power diodes as the number of output voltage levels increases. Also, an algorithm to determine dc voltage sources… (More)

- J. Olamaei, T. Niknam, Gevork B. Gharehpetian
- Applied Mathematics and Computation
- 2008

- Babak Abdi, Amir Hossein Ranjbar, Gevork B. Gharehpetian, Jafar Milimonfared
- IEEE Trans. Industrial Electronics
- 2009

Accurate modeling and parameters identification of Metal Oxide Surge Arrester (MOSA) are very important for arrester allocation, systems reliability and insulation coordination studies. Several models with acceptable accuracy have been proposed to describe this behavior. It should be mentioned that the estimation of nonlinear elements of MOSAs is very… (More)

- M. Mohammadi, Gevork B. Gharehpetian
- Eng. Appl. of AI
- 2009

- Rohollah Abdollahi, Gevork B. Gharehpetian
- IEEE Trans. Industrial Electronics
- 2016

A new evolutionary algorithm known as the shuffled frog leaping algorithm is presented in this paper, to solve the unit commitment (UC) problem. This integer-coded algorithm has been developed to minimize the total energy dispatch cost over the scheduling horizon while all of the constraints should be satisfied. In addition, minimum up/down-time constraints… (More)

- Hossein Karami, Mohammad Javad Sanjari, Seyed Hossein Hosseinian, Gevork B. Gharehpetian
- IEEE Trans. Smart Grid
- 2014

- Mohamad Reza Banaei, Seyed Hossein Hosseini, Sohrab Khanmohammadi, Gevork B. Gharehpetian
- Simulation Modelling Practice and Theory
- 2006

To restore the load voltage, dynamic voltage restorer (DVR), which installed between the supply and a sensitive load, should inject voltage and active power from DVR to the distribution system during voltage sag. Due to the limit of energy storage capacity of DC link, it is necessary the minimize energy injection from DVR. In this paper the techniques of… (More)

- Sadegh Azizi, Gevork B. Gharehpetian, Ahmad Salehi-Dobakhshari
- IEEE Trans. Smart Grid
- 2013