電気学会論文誌B(電力・エネルギー部門誌)
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
論文
太陽光,風力発電の安定供給コスト
新田目 倖造
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ジャーナル フリー

2018 年 138 巻 6 号 p. 451-459

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Photovoltaic and wind power generations are renewable and domestic energy, so increasing rapidly in recent power system of Japan. Power of PV and wind generating electricity is variable and unstable according to weather condition such as sunshine and wind velocity. Comparing costs of PV and wind generating electricity with other stable power generations such as thermal or nuclear power generation, it is necessary to arrange their conditions of stable supplying to demand. This paper analyzes costs of PV and wind generating electricity in two cases of using with storage battery or thermal power generation. As a result, stable supplying unit costs of PV and wind generations is several times of usually used generating unit costs that is only generating costs divided by unstable generating energy. In future, introduction of much PV and wind power generations is necessary to be increased gradually in the extent of stable operation of power system, in other words stable supply of electric power to demand, considering economical and technological situations.

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