JP2021184683A - 分散電源制御システム、分散電源制御方法、及びプログラム - Google Patents
分散電源制御システム、分散電源制御方法、及びプログラム Download PDFInfo
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- Y02T90/10—Technologies relating to charging of electric vehicles
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- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
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Abstract
Description
図1は、実施形態に係る電力システム1の構成の一例を示す図である。電力システム1は、需給管理システム11、分散電源制御システム12、分散電源21、通信ネットワーク25、及び送配電ネットワーク26を含む。
図2は、実施形態に係る分散電源制御システム12のハードウェア構成の一例を示すブロック図である。本実施形態に係る分散電源制御システム12は、CPU(Central Processing Unit)31、RAM(Random Access Memory)32、ROM(Read Only Memory)33、補助記憶装置34、通信I/F(Interface)35、ユーザI/F36、及びバス37を有する。
図3は、実施形態に係る分散電源制御システム12の機能構成の一例を示すブロック図である。本実施形態に係る分散電源制御システム12は、出力配分演算部51、制御指令演算部52(演算部)、補正部53、及び記憶部54を有する。これらの機能部51〜54は、図2に示すような分散電源制御システム12のハードウェア構成要素31〜37、ROM33や補助記憶装置34に記憶されたプログラム等の協働により実現される。
図4を参照して出力配分演算部51の処理例を説明する。出力配分演算部51は、システム指令値rsの更新に合わせて、基準出力指令値riを更新し、更新された基準出力指令値riを制御指令演算部52に出力する。
図5及び図6を参照して制御指令演算部52の処理例を説明する。
図7及び図8を参照して、補正部53の処理例を説明する。
Claims (10)
- 所定の運用順位に基づく複数の分散電源の出力配分を示す基準出力指令値と、前記分散電源毎の発電特性を示す分散電源特性情報とに基づき、前記複数の分散電源の各出力を合計したシステム出力値の予測値を示すシステム予測値を演算し、前記システム出力値の目標値を示すシステム目標値と、前記システム予測値との差が小さくなるように、前記分散電源毎の出力の目標値を示す制御指令値を所定の制御周期毎に演算する演算部、
を備える分散電源制御システム。 - 前記演算部は、前記システム出力値が前記システム目標値に達するまでの前記システム出力値の所定の経時変化を示す目標軌道と、前記システム予測値の経時変化を示す予測軌道との差が所定範囲内となるように、前記制御指令値を演算する、
請求項1に記載の分散電源制御システム。 - 前記分散電源の実際の出力を示す分散電源出力値と、当該分散電源に対応する前記分散電源特性情報に基づき演算される当該分散電源の出力の予測値を示す分散電源予測値との差が小さくなるように、前記演算部により演算された前記制御指令値を補正する補正部、
を更に備える請求項1又は2に記載の分散電源制御システム。 - 前記システム目標値と、前記運用順位を示す運用順位情報とに基づき、前記基準出力指令値を演算する出力配分演算部、
を更に備える請求項1〜3のいずれか1項に記載の分散電源制御システム。 - 前記出力配分演算部は、更に、前記分散電源の出力を変動させる要因に関する出力変動情報に基づき、前記基準出力指令値を演算する、
請求項4に記載の分散電源制御システム。 - 前記発電特性は、出力要求に対する応答性を示す応答性情報、出力変化の制約を示す出力変化制約情報、出力の上限値を示す最大出力情報、出力の下限値を示す最小出力情報の少なくとも何れかを含む、
請求項1〜5のいずれか1項に記載の分散電源制御システム。 - 前記演算部は、二次計画法又は凸最適化法を用いて前記制御指令値を演算する、
請求項1〜6のいずれか1項に記載の分散電源制御システム。 - 前記システム目標値は、所定時間経過後に必要となる前記システム出力値の予測値を示す需要予測値である、
請求項1〜7のいずれか1項に記載の分散電源制御システム。 - 所定の運用順位に基づく複数の分散電源の出力配分を示す基準出力指令値と、前記分散電源毎の発電特性を示す分散電源特性情報とに基づき、前記複数の分散電源の各出力を合計したシステム出力値の予測値を示すシステム予測値を演算する工程と、
前記システム出力値の目標値を示すシステム目標値と、前記システム予測値との差が小さくなるように、前記分散電源毎の出力の目標値を示す制御指令値を所定の制御周期毎に演算する工程と、
を含む分散電源制御方法。 - コンピュータに、
所定の運用順位に基づく複数の分散電源の出力配分を示す基準出力指令値と、前記分散電源毎の発電特性を示す分散電源特性情報とに基づき、前記複数の分散電源の各出力を合計したシステム出力値の予測値を示すシステム予測値を演算する処理と、
前記システム出力値の目標値を示すシステム目標値と、前記システム予測値との差が小さくなるように、前記分散電源毎の出力の目標値を示す制御指令値を所定の制御周期毎に演算する処理と、
を実行させるプログラム。
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