Evaluation of Residential PV-EV System for Supply and Demand Balance of Power System

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  • 電力系統の需給バランスのための住宅用PV-EVシステムの評価
  • デンリョク ケイトウ ノ ジュキュウ バランス ノ タメ ノ ジュウタクヨウ PV-EV システム ノ ヒョウカ

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Abstract

In recent years there has been a growing interest in the ecofriendly technologies like residential Photovoltaic (PV) systems and Electric Vehicle (EV). PV systems and the EVs will contribute to reduce CO2 emissions in the residential sector and the transportation sector respectively. In spite of that, high penetration of the PV system into the power grid can cause grid voltage and frequency stability problems. Also the growth of the EV market will create an extra electricity load (for charging EV fleet) leading to increase the power utility fuel cost.  In this research we proposed the usage of the PV-EV system as a method to mitigate the impact of spreading of the residential PV system and EV on the power grid. We built a PV-EV system simulation model and investigated the PV-EV system contribution in the balance of supply and demand of power and in reducing the total power cost of the household under different electricity pricing scenarios. Also we evaluated the effect of forecast uncertainty of load and PV output on the performance of PV-EV system.

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