2001
DOI: 10.1109/61.956770
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Assessment of voltage unbalance

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Cited by 577 publications
(273 citation statements)
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“…One reason is the approximate representation of the PV generation and another is the use of single-phase equivalents for the distribution system. Tools based on single-phase equivalents may not provide the best operating solutions for three-phase systems, especially when circuits and/or loads are considerably unbalanced [2]. For these reasons, this work models the PV power plants in the TOPF (three-phase optimal power flow) from the PV module equivalent circuit and, with TOPF, analyzes the impact of the PV generation on the Corresponding author: Malinwo Estone Ayikpa, electrical engineer, research field: electric power systems.…”
Section: Introductionmentioning
confidence: 99%
“…One reason is the approximate representation of the PV generation and another is the use of single-phase equivalents for the distribution system. Tools based on single-phase equivalents may not provide the best operating solutions for three-phase systems, especially when circuits and/or loads are considerably unbalanced [2]. For these reasons, this work models the PV power plants in the TOPF (three-phase optimal power flow) from the PV module equivalent circuit and, with TOPF, analyzes the impact of the PV generation on the Corresponding author: Malinwo Estone Ayikpa, electrical engineer, research field: electric power systems.…”
Section: Introductionmentioning
confidence: 99%
“…Table 1 lists the network parameters, and the line and load data. The unbalance factor (UF) is defined as the ratio of the negative sequence voltage to the positive sequence voltage [16]. This line impedance means that the short circuit ratio (SCR) is approximately 10 and the X/R ratio is 3 [17].…”
Section: Experimental Setup and Conditionsmentioning
confidence: 99%
“…This occurs as a result of; uneven distribution of loads such as single phase traction drives and electric locomotives; open wye and delta transformer banks; asymmetric transmission impedances; and blown fuses in three phase capacitor banks [1]. These unbalanced voltages in power system result in sags, swells and interruptions [2].…”
Section: Introductionmentioning
confidence: 99%