JP6299743B2 - 電力潮流制御システム、および、電力潮流制御方法 - Google Patents
電力潮流制御システム、および、電力潮流制御方法 Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
- F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
- F03D9/257—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor the wind motor being part of a wind farm
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- H—ELECTRICITY
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H02J3/381—Dispersed generators
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- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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Description
発電する複数の電源が接続された配電線に流れる電力潮流の値である配線電力量を変化させる電力変化装置と、
各電源にて発電される発電量の総和である総発電量に関する指標値を測定する測定装置と、
前記指標値から前記総発電量を推定し、当該推定結果に応じて、前記電力変化装置が変化させる前記配線電力量の変化量を調整する計算装置と、を備え、
前記計算装置は、変換係数を用いて、前記指標値から前記総発電量を推定し、
前記配電線は、上位系統に接続され、
前記上位系統に対して送受電される電力潮流の一定期間における変動量を測定し、当該変動量に基づいて、前記変換係数を変更する制御装置をさらに備える。
各電源にて発電される発電量の総和である総発電量に関する指標値を測定し、
変換係数を用いて、前記指標値から前記総発電量を推定し、当該推定結果に応じて、前記電力変化装置が変化させる前記配線電力量の変化量を調整し、
前記配電線を、上位系統に接続し、
前記上位系統に対して送受電される電力潮流の一定期間における変動量を測定し、当該変動量に基づいて、前記変換係数を変更する。
図1は、本発明の第1の実施形態の電力潮流制御システムを示す図である。図1に示す電力潮流制御システムでは、ローカル充放電装置100と、商用電力の需要家ごとに設置された負荷110および太陽光発電装置111とが配電線112に接続された構成を有する。
具体的には、配電線112の長さは、通常数km程度であるため、配電線112が設けられたエリア内では、日射量はほぼ一定とみなすことができる。このため、日射量計102で測定された日射量は、配電線112に接続された太陽光発電装置111のそれぞれに対して共通に適用することができる。したがって、充放電量計算装置103は、各太陽光発電装置111の統計的な値を示す設備情報を用いて、日射量から総発電量を推定することができる。
図3は、本発明の第2の実施形態の電力潮流制御システムの構成を示す図である。図3に示す電力潮流制御システムは、図1に示した構成と比べて、変電所113内に、電流計301および中央制御装置302が追加されている点と、ローカル充放電装置100が通信部104をさらに備える点が異なる。
図6は、本発明の第3の実施形態の放電システムを示す図である。図6に示す電力潮流制御システムは、図1に示した電力潮流制御システムと比較して、ローカル充放電装置100が日射量計102の代わりに電圧計105を備える点で異なる。
図8は、本発明の第4の実施形態の電力潮流制御システムを示す図である。
101 電力貯蔵装置
102 日射量計
103 充放電量計算装置
104 通信部
110 負荷
111 太陽光発電装置
112 配電線
113 変電所
114 上位系統
301 電流計
302 中央制御装置
303 演算部
304 通信部
Claims (7)
- 発電する複数の電源が接続された配電線に流れる電力潮流の値である配線電力量を変化させる電力変化装置と、
各電源にて発電される発電量の総和である総発電量に関する指標値を測定する測定装置と、
前記指標値から前記総発電量を推定し、当該推定結果に応じて、前記電力変化装置が変化させる前記配線電力量の変化量を調整する計算装置と、を備え、
前記計算装置は、変換係数を用いて、前記指標値から前記総発電量を推定し、
前記配電線は、上位系統に接続され、
前記上位系統に対して送受電される電力潮流の一定期間における変動量を測定し、当該変動量に基づいて、前記変換係数を変更する制御装置をさらに備える、電力潮流制御システム。 - 前記制御装置は、前記変動量の測定および前記変換係数の変更を繰り返し行うものであって、今回測定した前記変動量である最近変動量が前回測定した前記変動量と比べて減少しているか否かと、前記変換係数の前回の変更時において、当該変換係数を、前記計算装置が推定する総発電量が減少するように変更したか否かを判断し、各判断結果に基づいて、前記変換係数を変更する、請求項1に記載の電力潮流制御システム。
- 前記制御装置は、前記最近変動量が減少し、かつ、前記前回の変更時に前記総発電量が減少するように前記変換係数を変更した場合、および、前記最近変動量が増加し、かつ、前記前回の変更時に前記総発電量が増加するように前記変換係数を変更した場合、前記総発電量が減少するように前記変換係数を変更し、前記最近変動量が減少し、かつ、前記前回の変更時に前記総発電量が増加するように前記変換係数を変更した場合、および、前記最近変動量が増加し、かつ、前記前回の変更時に前記総発電量が減少するように前記変換係数を変更した場合、前記総発電量が増加するように前記変換係数を変更する、請求項2に記載の電力潮流制御システム。
- 各電源は、太陽光発電装置であり、
前記測定装置は、前記指標値として、日射量、太陽光発電装置にて発電される発電量、または、前記配電線の所定の位置の電圧を測定する、請求項1ないし3のいずれか1項に記載の電力潮流制御システム。 - 各電源は、風力発電装置であり、
前記測定装置は、前記指標値として、風速、風力発電装置にて発電される発電量、または、前記配電線の所定の位置の電圧を測定する、請求項1ないし4のいずれか1項に記載の電力潮流制御システム。 - 前記電力変化装置は、充放電を行う電力貯蔵装置、または、電力を消費する可制御負荷装置であり、
前記計算装置は、前記電力貯蔵装置にて充放電される充放電量、または、前記可制御負荷装置にて消費される消費電力量を、前記変化量として調整する、請求項1ないし5のいずれか1項に記載の電力潮流制御システム。 - 発電する複数の電源が接続された配電線に流れる電力潮流の値である配線電力量を変化させる電力変化装置を備えた電力潮流制御システムによる電力潮流制御方法であって、
各電源にて発電される発電量の総和である総発電量に関する指標値を測定し、
変換係数を用いて、前記指標値から前記総発電量を推定し、当該推定結果に応じて、前記電力変化装置が変化させる前記配線電力量の変化量を調整し、
前記配電線を、上位系統に接続し、
前記上位系統に対して送受電される電力潮流の一定期間における変動量を測定し、当該変動量に基づいて、前記変換係数を変更する、電力潮流制御方法。
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Application Number | Priority Date | Filing Date | Title |
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JP2013029870 | 2013-02-19 | ||
JP2013029870 | 2013-02-19 | ||
PCT/JP2013/082593 WO2014129045A1 (ja) | 2013-02-19 | 2013-12-04 | 電力潮流制御システムおよび電力潮流制御方法 |
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JP5897678B1 (ja) * | 2014-10-01 | 2016-03-30 | 中国電力株式会社 | 電圧調整装置 |
JP5931991B2 (ja) * | 2014-10-01 | 2016-06-08 | 中国電力株式会社 | 電圧調整装置 |
KR101546822B1 (ko) * | 2015-07-06 | 2015-08-24 | (주)누리일렉콤 | 풍력 발전기 |
US10256633B2 (en) * | 2015-11-04 | 2019-04-09 | Utopus Insights, Inc | Real-time estimation of contributions from classes of energy generators in residual load signals |
JP6045769B1 (ja) * | 2016-05-24 | 2016-12-14 | 三菱電機株式会社 | 発電量推定装置、配電系統システムおよび発電量推定方法 |
CN108150360A (zh) * | 2016-12-05 | 2018-06-12 | 北京金风科创风电设备有限公司 | 检测风电机组的等效载荷的方法和设备 |
JP6921529B2 (ja) * | 2016-12-28 | 2021-08-18 | 積水化学工業株式会社 | 配電系統の潮流制御方法及び配電システム |
JP7321780B2 (ja) * | 2019-06-04 | 2023-08-07 | 元夢 朝原 | 消費電力推定システム |
CN111509747B (zh) * | 2020-05-27 | 2021-09-03 | 广东电网有限责任公司 | 一种电网储能优化配置方法、装置和设备 |
AU2021430456A1 (en) * | 2021-02-26 | 2023-07-27 | Mitsubishi Electric Corporation | Command device, charge/discharge control system, power control system, central command device, setting value management device, storage battery, charge/discharge control method, and program |
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JP4749375B2 (ja) | 2007-04-11 | 2011-08-17 | 中国電力株式会社 | マイクログリッドにおける電力の需給調整を行う制御装置 |
US20120245753A1 (en) * | 2010-05-07 | 2012-09-27 | Forbes Jr Joseph W | System and method for generating and providing dispatchable operating reserve energy capacity through use of active load management to compensate for an over-generation condition |
GB0809235D0 (en) | 2008-05-21 | 2008-06-25 | Poweroasis Ltd | Supervisory system controller for use with a renewable energy powered radio telecommunications site |
US8295989B2 (en) * | 2009-02-03 | 2012-10-23 | ETM Electromatic, Inc. | Local power tracking for dynamic power management in weather-sensitive power systems |
JP5493886B2 (ja) * | 2010-01-08 | 2014-05-14 | 富士電機株式会社 | 太陽光発電量予測システムおよび太陽光発電量予測方法 |
JPWO2011118766A1 (ja) * | 2010-03-25 | 2013-07-04 | 三洋電機株式会社 | 電力供給システム、集中管理装置、系統安定化システム、集中管理装置の制御方法および集中管理装置の制御プログラム |
JP5505191B2 (ja) * | 2010-08-16 | 2014-05-28 | 東京電力株式会社 | 太陽光発電量予測方法および配電系統制御システム |
US9612584B2 (en) | 2010-11-08 | 2017-04-04 | Nec Corporation | Electric power grid control system and method for electric power control |
US9300141B2 (en) * | 2010-11-18 | 2016-03-29 | John J. Marhoefer | Virtual power plant system and method incorporating renewal energy, storage and scalable value-based optimization |
JP5485224B2 (ja) * | 2011-05-23 | 2014-05-07 | 株式会社日立製作所 | 独立運用型電力供給システム |
US9728969B2 (en) * | 2011-05-31 | 2017-08-08 | Vestas Wind Systems A/S | Systems and methods for generating an inertial response to a change in the voltage of an electricial grid |
DE202011101677U1 (de) * | 2011-06-10 | 2011-09-08 | Walter Otto Mayr | Energie-Fluss-Kontroll und Regelung |
JP2013011233A (ja) * | 2011-06-29 | 2013-01-17 | Mitsubishi Heavy Ind Ltd | 風力発電装置保守装置および風力発電装置保守方法 |
JP5639540B2 (ja) | 2011-06-29 | 2014-12-10 | 株式会社日立製作所 | 蓄電池需給計画作成装置および蓄電池需給計画作成方法 |
US8165812B2 (en) * | 2011-07-25 | 2012-04-24 | Clean Power Research, L.L.C. | Computer-implemented system and method for estimating power data for a photovoltaic power generation fleet |
JP5439450B2 (ja) * | 2011-09-13 | 2014-03-12 | 株式会社東芝 | 発電予測装置およびその方法 |
US9563215B2 (en) * | 2012-07-14 | 2017-02-07 | Causam Energy, Inc. | Method and apparatus for actively managing electric power supply for an electric power grid |
US9513648B2 (en) * | 2012-07-31 | 2016-12-06 | Causam Energy, Inc. | System, method, and apparatus for electric power grid and network management of grid elements |
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