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Harmonic distortion assessment for a single-phase grid-connected photovoltaic system

Menti, Anthoula; Zacharias, Thomas; Milias-Argitis, John - In: Renewable Energy 36 (2011) 1, pp. 360-368

Nowadays, grid-connected photovoltaic (PV) systems constitute an emerging technology. This has given rise to concerns about their contribution to harmonic distortion levels in utility grids. Valuable insight into the electrical behavior of such a system, including its impact on power quality,...

Persistent link: https://www.econbiz.de/10010805614

Flicker mitigation in a doubly fed induction generator wind turbine system

Machmoum, Mohamed; Hatoum, Ahmad; Bouaouiche, Toufik - In: Mathematics and Computers in Simulation (MATCOM) 81 (2010) 2, pp. 433-445

established and the adopted control strategies for machine side and grid side converters are described. Flicker phenomenon is … flicker severity is evaluated using flickermeter. Appropriate vector power control of the machine side converter is proposed … and applied to achieve flicker mitigation. …

Persistent link: https://www.econbiz.de/10010749975

Improvement of electrical arc furnace operation with an appropriate model

Hocine, Labar; Yacine, Djeghader; Kamel, Bounaya; … - In: Energy 34 (2009) 9, pp. 1207-1214

and R arc function are discussed in detail. This new operating strategy has been determined taking into account Flicker …

Persistent link: https://www.econbiz.de/10010809551

Power quality evaluation in deregulated power system using matrix method

Dahiya, Surender; Jain, Dinesh Kumar; Kumar, Ashok; … - In: International Journal of Global Energy Issues 28 (2007) 1, pp. 1-10

Power quality has emerged as a challenging area in the context of deregulation, wherein electricity distribution buyers and sellers carry out mutually agreed-upon exchanges. A market for active power and reactive power is installed in many places as a result of a deregulation process. However,...

Persistent link: https://www.econbiz.de/10005751634

Power quality evaluation in deregulated power system using matrix method

Dahiya, Surender; Jain, Dinesh Kumar; Kumar, Ashok; … - In: International Journal of Global Energy Issues 28 (2007) 1, pp. 1-10

Persistent link: https://www.econbiz.de/10008539005

Wind turbine effect on the voltage profile of distribution networks

Boulaxis, N.G.; Papathanassiou, S.A.; Papadopoulos, M.P. - In: Renewable Energy 25 (2002) 3, pp. 401-415

The operation of wind turbines in the distribution networks may affect the power quality offered to the consumers. One of the most important considerations is the effect on the voltage profile, i.e. the induced slow voltage variations, which are the subject of this paper. Two alternative...

Persistent link: https://www.econbiz.de/10010803697

Modelling of three-phase grid-connected inverters

Smedley, Keyue Ma; Guiotto, Edoardo Maria; Vacher, Francois - In: International Journal of Global Energy Issues 26 (2006) 3/4, pp. 302-321

Grid-connected inverters are key elements that interface the distributed energy sources with the grid. In this paper, a graphic modelling method based on switching flow graph is presented for modelling inverters, with a one-cycle controlled inverter as an example. This method features great...

Persistent link: https://www.econbiz.de/10010669989

Impacts of COVID-19 on Kuwait’s electric power grid

Al-Abdullah, Yousef M; Al-Saffar, Mahdi; Alazemi, Ahmad M. - In: The electricity journal 34 (2021) 9, pp. 1-11

Persistent link: https://www.econbiz.de/10013415370

Characterisation of flicker emission and propagation in distribution networks with bi-directional power flows

Perera, D.; Meegahapola, L.; Perera, S.; Ciufo, P. - In: Renewable Energy 63 (2014) C, pp. 172-180

in the electricity grid, resulting voltage fluctuations and flicker can be expected to become an important power quality … characterises flicker emission and propagation resulting from fluctuating generating sources connected to a distribution network …. Mathematical models are developed for flicker emission under different generator control strategies and flicker propagation to …

Persistent link: https://www.econbiz.de/10010807078

Experimental study on flicker emissions by photovoltaic systems on highly cloudy region: A case study in Malaysia

Lim, Yun Seng; Tang, Jun Huat - In: Renewable Energy 64 (2014) C, pp. 61-70

Photovoltaic (PV) systems are the most promising renewable energy sources in Malaysia because of its location being around the equatorial region where sunlight is available throughout the year. However, the country is warm and surrounded by the South China Sea and Malacca Straits. A large amount...

Persistent link: https://www.econbiz.de/10011046005

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