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Evaluation of operation characteristics in multiple interconnection of PV systems |
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| Authors: | Takashi Ishikawa Kosuke Kurokawa Naotaka Okada Kiyoshi Takigawa |
| Affiliation: | a Tokyo University of Agriculture and Technology (TUAT), 2-24-16, Naka-cho, Koganei, Tokyo, 184-8588, Japan;b Central Research Institute of Electric Power Industry (CRIEPI), 2-11-1, Iwado Kita, Komae-shi, Tokyo, 201-8511, Japan |
| Abstract: | A method for evaluating the operation characteristic of grid-connected PV systems in multiple interconnection was proposed and a suppression of PV electric energy which is reduced by an automatic voltage control unit was estimated using a yearly scale simulation. The automatic voltage control unit is one of the PV inverter functions. In Japan, PV systems must be provided with this function to maintain within 101 V±6 V for the standard voltage of 100 V according to the technical recommendations. The automatic control voltage unit adjusts the distribution-line voltage at a connected point using leading reactive power or active power. Especially, the adjustment of active power will cause a suppression of PV electric energy. |
| Keywords: | Grid-connected PV system Operation characteristic Automatic voltage control unit Active power control Reactive power control |
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