Zobrazeno 1 - 10
of 45
pro vyhledávání: '"G. B. Gharehpetian"'
Publikováno v:
Protection and Control of Modern Power Systems, Vol 8, Iss 1, Pp 1-16 (2023)
Abstract High voltage direct current (HVDC) systems are efficient solutions for the integration of large-scale renewable energy sources with the main power grids. The rapid development of the HVDC grid has resulted in a growing interest in DC circuit
Externí odkaz:
https://doaj.org/article/e7146fc8d2ab45f190b1bd3a1df181d6
Publikováno v:
IET Power Electronics, Vol 14, Iss 11, Pp 2007-2020 (2021)
Abstract To increase the power rating and reduce the cost and complexity of a multi‐pulse rectifier (MPR), it is well known that the pulse number must be increased. In some practical cases, a 12‐pulse rectifier (12PR) is suggested as a good solut
Externí odkaz:
https://doaj.org/article/692029c6932641b6bcdc9c33ae78ab97
Publikováno v:
Journal of Operation and Automation in Power Engineering, Vol 7, Iss 2, Pp 168-175 (2019)
In this paper a repetitive control (RC) approach to improve current sharing between parallel-connected boost converters in DC microgrids is presented. The impact of changes in line impedance on current sharing is investigated. A repetitive controller
Externí odkaz:
https://doaj.org/article/d2e4e51089e447b49281bd43c0a794d0
Publikováno v:
Complexity, Vol 2020 (2020)
The fault ride-through (FRT) capability and fault current issues are the main challenges in doubly fed induction generator- (DFIG-) based wind turbines (WTs). Application of the bridge-type fault current limiter (BFCL) was recognized as a promising s
Externí odkaz:
https://doaj.org/article/fdeaa27f2deb4fea97a64f1a28264651
Publikováno v:
Iranian Journal of Electrical and Electronic Engineering, Vol 14, Iss 3, Pp 289-298 (2018)
Recently, smart grids have been considered as one of the vital elements in upgrading current power systems to a system with more reliability and efficiency. Distributed generation is necessary for most of these new networks. Indeed, in all cases that
Externí odkaz:
https://doaj.org/article/65570e5be0844ac0abb20623adc40069
Publikováno v:
Iranian Journal of Electrical and Electronic Engineering, Vol 13, Iss 2, Pp 142-151 (2017)
Photovoltaic systems integrated to the grid have received considerable attention around the world. They can be connected to the electrical grid via galvanic isolation (transformer) or without it (transformerless). Despite making galvanic isolation, l
Externí odkaz:
https://doaj.org/article/3bc840c3be3d43fe8d412766e4d85556
Publikováno v:
Iranian Journal of Electrical and Electronic Engineering, Vol 13, Iss 2, Pp 161-169 (2017)
This paper proposes a new single phase transformerless Photovoltaic (PV) inverter for grid connected systems. It consists of six power switches, two diodes, one capacitor and filter at the output stage. The neutral of the grid is directly connected t
Externí odkaz:
https://doaj.org/article/212269d9f98640a98f186231758f1334
Publikováno v:
Iranian Journal of Electrical and Electronic Engineering, Vol 13, Iss 1, Pp 10-21 (2017)
The Micro-Grid (MG) stability is a significant issue that must be maintained in all operational modes. Usually, two control strategies can be applied to MG; V/f control and PQ control strategies. MGs with V/f control strategy should have some Distrib
Externí odkaz:
https://doaj.org/article/2454116cf83047d48696b5e1995419d9
Publikováno v:
Iranian Journal of Electrical and Electronic Engineering, Vol 12, Iss 2, Pp 126-133 (2016)
Multilevel voltage source inverters have several advantages compare to traditional voltage source inverter. These inverters reduce cost, get better voltage waveform and decrease Total Harmonic Distortion (THD) by increasing the levels of output volta
Externí odkaz:
https://doaj.org/article/78a7475fded64587bfa0365176890558
Autor:
Reza Noroozian, G. B. Gharehpetian
Publikováno v:
International Islamic University Malaysia Engineering Journal, Vol 17, Iss 2 (2016)
In this paper, the configuration of the PV generation system, the dynamic model for PV modules and its power electronic interfacing have been presented. A novel control strategy for the DC-DC converter has been developed in order to extract the maxim
Externí odkaz:
https://doaj.org/article/7b061b77d2414f4092acd365bd41eb2b