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成果報告書詳細
管理番号20170000000399
タイトル*平成28年度中間年報 「分散型エネルギー次世代電力網構築実証事業 研究開発項目 3.未来のスマートグリッド構築に向けたフィージビリティスタディ」
公開日2017/5/31
報告書年度2016 - 2016
委託先名一般財団法人エネルギー総合工学研究所 一般財団法人電力中央研究所 国立大学法人東京大学 国立大学法人東北大学 学校法人五島育英会東京都市大学
プロジェクト番号P14010
部署名スマートコミュニティ部
和文要約
英文要約Title: Experimental Project of Advanced Power Grid with Distributed Energy Sources, Feasibility Study on Development of Future Smart Grid (FY2014-FY2018) FY2016 Annual Report
(1) Survey on domestic and international distribution systems
We are interested in hosting capacity as an evaluation method that can quantify the maximum amount of PV penetration. And we investigated into hosting capacity in order to evaluate each review model.

(2) Analysis of electrical characteristics
1) Study on Static characteristic analysis
We analyzed the tidal current state and the voltage distribution of the distribution system model using the power flow calculation program. We investigated the electrical analysis of "voltage boost in part of distribution networks" and "highly developed control of distribution networks".
O Definition of hosting capacity
We defined the constraint conditions of hosting capacity as "voltage","current","stability".
O Calculating hosting capacity
The amount of hosting capacity was larger in the "voltage boosting in part of distribution networks" than in the "advanced control of the distribution networks" for both the concentrated and distributed penetration of PV systems.
O Calculation of loss in distribution line
By "voltage boosting in part of distribution networks", we realized both increase of amount of PV penetration and reduction of loss in distribution line.
2) Study on dynamic characteristic analysis
We created a simulation model of the distribution system model. We calculated the dynamic analysis of the newly proposed "voltage boost in part of distribution networks".

(3) Economical evaluation
1) Determination of economic evaluation method
In addition to "the cost of construction", we also calculated "the cost of maintenance".
2) Evaluation result of distribution networks with concentrated penetration of PV systems
We conducted economic evaluation of distribution networks with concentrated penetration of PV systems. (in a feeder, in a transformer, in a substation)
Voltage boosting in part of distribution networks is expensive in the feeder. On the other hand, "voltage boosting in part of distribution networks" is both inexpensive and large amount of PV penetration in the transformer and substation.
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