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Karthikeyan Nainar and Florin Iov
Power-distribution grids consist of assets such as transformers, cables, and switches, of which the proper utilization is essential for the provision of a secure and reliable power supply to end customers. Distribution-system operators (DSOs) are respons...
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Dimitar V. Bozalakov, Joannes Laveyne, Mohannad J. Mnati, Jan Van de Vyver and Lieven Vandevelde
The share of renewable energy is increasing because of environmental concerns and favorable economic conditions. The majority of the distributed energy resources, connected to the low-voltage grid, are inverter-connected units. These inverters are contro...
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N. Ntsadu
During an exceedance of the voltage unbalance limit at a busbar there is a need to determine which entity is causing the problem between Eskom, wind farms and other entities that can influence the voltage unbalance at the busbar. There were voltage unbal...
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Ivan Ramljak,Drago Bago
Pág. 159 - 165
In last period many distribution system operators (DSO) invest significant amount of money in smart metering system. Those investments are in part due to regulatory obligations and in part due to needs of DSO (utilities) for knowledge about electric ener...
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Biying Ren, Xiangdong Sun, Shasha Chen and Huan Liu
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Guido Carpinelli, Fabio Mottola, Daniela Proto, Angela Russo and Pietro Varilone
This paper deals with the problem of optimal allocation (siting and sizing) of storage resources in unbalanced three-phase low voltage microgrids. The siting and sizing problem is formulated as a mixed, non-linear, constrained optimization problem whose ...
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Kyoung Jin Joo, Gang Seok Lee, Hyun Seok Hong, Sung Hong Won and Ju Lee
Since an existing 3-phase inner rotor torque actuator (TA) has severe torque ripples, it is not appropriate for a gimbal system that requires precise position control. Therefore, a coreless TA is considered to eliminate the core causing torque ripples. I...
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Chao Long, Mohamed Emad A. Farrag, Donald M. Hepburn and Chengke Zhou
Voltage unbalance (VU) in residential distribution networks (RDNs) is mainly caused by load unbalance in three phases, resulting from network configuration and load-variations. The increasing penetration of distributed generation devices, such as small ...
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Vladimir Sousa Santos,Percy Viego Felipe,Julio Gómez Sarduy,Marcos de Armas Teyra
Pág. 163 - 173
En los sistemas eléctricos de potencia es muy común encontrar problemas de calidad de la energía. La circulación de armónicos de tiempo en las redes de suministro eléctrico industrial junto al desbalance de tensión, afecta considerablemente el funcionami...
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Tine L. Vandoorn, Jeroen D. M. De Kooning, Jan Van de Vyver and Lieven Vandevelde
For islanded microgrids, droop-based control concepts have been developed both in single and three-phase variants. The three-phase controllers often assume a balanced network; hence, unbalance sharing and/or mitigation remains a challenging issue. Theref...
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