JP2015080401A - 電気ネットワークを制御するための方法およびシステム - Google Patents
電気ネットワークを制御するための方法およびシステム 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
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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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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
- H02J13/00024—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission by means of mobile telephony
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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- H—ELECTRICITY
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- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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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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- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters
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- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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Abstract
【解決手段】統合化されたボルト−バール制御(IVVC)構成要素は、ネットワークに結合された遅い動力学的電気機械デバイスおよび速い動力学的DERデバイスに対する最適化パラメータを決定する。遅い動力学的デバイスは、電気ネットワークの現在の状態、ならびにコマンド出力を用いてリアルタイムに更新される電圧上昇テーブル、または従来の制御可能な資産および速い動力学的DERデバイスに対する最適セットポイントを生成する電力潮流に基づく完全最適化ルーチンによって制御される。速い動力学的デバイスは、IVVC設定に基づいて、または光起電力(PV)プラント有効電力変動に基づいて、または力率に基づいて、または局所的電気ネットワークの電圧に基づいて、無効電力寄与を用いる制御アルゴリズムを用いて局所的に制御される。
【選択図】図1
Description
Y字状回路で接続される3つの単相ユニットを含む変電所電圧調整器404、
負荷タップ切換トランスまたはオートトランス406、不平衡スポットおよび分散負荷408、410、412、414、416、
バス420の600kVAr三相キャパシタバンク418、
位相Cのバス424の100kVAr単相キャパシタバンク422、
バス428の1500kVAの定格インバータを有するPVプラント(DER)426、
ならびに、バス432の2000kVAの定格インバータを有するPVプラント(DER)430を含む。
1.IVVCにDERが関与しない場合
配電線への各接続ポイント(POC)において、DERプラントが配電線に有効電力入力を提供するが、それらは力率1で動作している。これは、それらの無効電力注入がゼロであって、それゆえに、配電線の電圧調整に寄与しないことを意味する。したがって、IVVC最適化定式化の際には、DERインバータは制御デバイスとはみなされない。
2.IVVCにDERが関与する場合
可変無効電力出力を有するDERは、最適化問題内の付加的な制御デバイスとみなされる。図6Bは、ネットワークの電圧プロファイルが図6Aの場合よりも平坦であることを示す。電圧変動の変化率も、かなりの改善を示す。
この方法のためのDER無効電力寄与は、問題定式化の単一段最適化から得られるベースラインIVVC設定に基づく。これは、次の3つのステッププロセスで記述される。
方法2のDER無効電力寄与は、PVプラント有効電力変動に基づく。これもまた、方法1で問題定式化の単一段最適化によって取得したベースラインIVVC設定を用いる。
この方法のDER無効電力寄与は、各時間の一定の力率に基づく。これもまた、各時間の力率を得るために、問題定式化の単一段最適化によって取得したベースラインIVVC設定を用いる。
ステップ1:以下の方程式で記述されるように、IVVC最適化は第i時間毎に無効電力出力のためのDER設定を提供する。
IVVCによって提供される電圧セットポイントに基づくDER無効電力寄与。
12 発電主体
14 送電網
16 エネルギーユーザー位置
18 送電線
20 変電所
22 配電線
24 発電システム
26 分散型エネルギー資源
28 配電制御中央サブステーション
30 管理システム
32 切換可能な資産
34 AMIメーター
36 センサー
100 計算アセンブリ
102 メモリデバイス
104 プロセッサ
106 入力デバイス
108 ディスプレイデバイス
110 ネットワークインターフェース
112 公衆ネットワーク
300 方法
302 初期化する
304 実行する
306 決定する
308 取得する
310 生成する
312 発行される
400 配電ネットワーク
402 配電線
404 電圧調整器
406 トランス
408、410、412、414、416 分散負荷
418、422 キャパシタバンク
420、424、428、432 バス
426、430 PVプラント
500 DERプロファイル
600、602、700、702、800、802、900、902、1000 グラフ
1002 x軸
1004 y軸
1006、1008、1010、1012 トレース
Claims (22)
- 複数の遅い動力学的電気機械デバイスと、無効電力出力の比較的速い連続的な動的変動に対して構成される複数の速い動力学的分散型エネルギー資源(DER)デバイス(26)と、を含む電気ネットワークを制御するのに用いられるシステム(30)であって、
前記システムは、
前記複数の遅い動力学的電気機械デバイスおよび前記複数の速い動力学的DERデバイス(26)に対する1つまたは複数の最適化パラメータを決定するように構成される統合化されたボルト−バール制御(IVVC)構成要素を含み、
前記遅い動力学的デバイスは、前記電気ネットワークの現在の状態と、コマンド出力の少なくとも1つを用いてリアルタイムに適応可能に更新される電圧上昇テーブルの少なくとも1つと、前記遅い動力学的デバイスに対する、および前記速い動力学的DERデバイス(26)の少なくともいくつかに対する最適セットポイントを生成するための電力潮流に基づく完全最適化ルーチンと、によって制御されるように構成され、
前記速い動力学的デバイスは、IVVC設定に基づくDER無効電力寄与を用いる制御アルゴリズムと、可変生成DER有効電力変動に基づくDER無効電力寄与を用いる制御アルゴリズムと、力率に基づくDER無効電力寄与を用いる制御アルゴリズムと、前記局所的電気ネットワークの電圧に基づくDER無効電力寄与を用いる制御アルゴリズムと、の少なくとも1つを用いて前記リモート制御更新の間に局所的に制御されるように構成されるシステム。 - 前記遅い動力学的電気機械デバイスは、負荷タップ切換トランスもしくはオートトランス(406)、ステップ電圧調整器(404)、およびスイッチト・キャパシタ・バンク(418、422)の少なくとも1つを含む、請求項1に記載のシステム。
- 速い動力学的DERデバイス(26)は、光電発電機、同期発電機、バッテリエネルギー蓄積器、静的同期補償器(STATCOM)、フレキシブルAC送電システム(FACTS)デバイス、および静的無効電力補償器(SVC)の少なくとも1つを含む、請求項1に記載のシステム。
- 前記速く動作する動的DERの前記無効電力出力は、前記ルックアップテーブルに基づく方法または前記電力潮流に基づく最適化ルーチンに含まれるように、線形ステップに離散化される、請求項1に記載のシステム。
- IVVC設定に基づくDER無効電力寄与を用いる前記局所的制御アルゴリズムは、複数の期間の次の期間のIVVC最適化によって提供される前記可変生成DER設定に直接基づいて、無効電力設定を決定する、請求項1に記載のシステム。
- 可変生成DER有効電力変動に基づくDER無効電力寄与を用いる前記制御アルゴリズムは、複数の期間の次の期間の前記DERによって生成される有効電力評価の誤差に基づいて、無効電力設定を決定する、請求項1に記載のシステム。
- 力率に基づくDER無効電力寄与を用いる前記制御アルゴリズムは、複数の期間の次の期間の前記DERの力率評価の変動に基づいて、無効電力設定を決定する、請求項1に記載のシステム。
- 前記局所的電気ネットワークの電圧に基づくDER無効電力寄与を用いる前記制御アルゴリズムは、複数の期間の次の期間の前記DERの電圧評価の誤差に基づいて、無効電力設定を決定する、請求項1に記載のシステム。
- 電気ネットワークを制御する方法であって、
a)前記電気ネットワークの構成要素の第1の構成に関する第1の電気ネットワーク状態に対する予想電圧応答を決定するために、前記電気ネットワークをモデル化するステップと、
b)前記第1の状態の後の所定の時刻に発生する、前記電気ネットワークの第2の状態を決定するステップと、
c)前記第1の状態の発生に先立って発生する、前記電気ネットワークの状態履歴データを受け取るステップと、
d)前記モデル、第2のネットワーク状態、およびネットワーク状態履歴データに基づいて、前記電気ネットワークの前記構成要素の第2の構成を決定するステップと、
e)前記第2の構成を達成するために、前記構成要素に対してコマンドを送信するステップと、
f)所定の期間の後に、ステップa)〜e)を再実行するステップと、を含む方法。 - 前記電気ネットワークの前記構成要素は、比較的速く応答する構成要素および比較的遅く応答する構成要素を含む、請求項9に記載の方法。
- 前記比較的遅く応答する構成要素は、負荷タップ切換器、ステップ電圧調整器(404)、およびスイッチト・キャパシタ・バンク(418、422)の少なくとも1つを含む、請求項10に記載の方法。
- 前記比較的速く応答する構成要素は、分散型エネルギー資源(26)、配電ネットワークフレキシブルAC送電システム(DFACTS)、エネルギー蓄積デバイス、および直列補償器の少なくとも1つを含む、請求項10に記載の方法。
- 前記第2の構成を達成するために、前記構成要素に対してコマンドを送信するステップは、比較的遅く応答する構成要素に対して比較的長い間隔でコマンドを送信するステップを含む、請求項9に記載の方法。
- 前記第2の構成を達成するために、前記構成要素に対してコマンドを送信するステップは、比較的速く応答する構成要素に対して約1時間またはそれより短い間隔でコマンドを送信するステップを含む、請求項9に記載の方法。
- 前記第2の構成を達成するために、前記構成要素に対してコマンドを送信するステップは、比較的速く応答する構成要素に対して前記局所的制御に基づいてリアルタイムでベースラインコマンドを送信するステップを含む、請求項9に記載の方法。
- 前記電気ネットワークの前記構成要素は、比較的速く応答する構成要素および比較的遅く応答する構成要素を含み、
前記比較的遅く応答する構成要素は、前記電気ネットワークの比較的大きい部分の電圧レベルを設定し、
前記比較的速く応答する構成要素の各々は、前記電気ネットワークの比較的小さい部分の電圧レベルを設定する、請求項9に記載の方法。 - 電気ネットワーク制御システムであって、
送電および配電ネットワークを形成するように電気的に結合される電気的構成要素のモデルを含むネットワークモデル構成要素と、
複数のセンサー(36)から前記ネットワークの測定されたパラメータに関するデータを受け取るように構成され、前記電気ネットワークの現在の状態を決定するように構成される測定構成要素と、
前記センサーデータを受け取り、前記センサーデータの少なくともいくつかを格納するように構成される履歴構成要素と、
前記センサーデータの前記少なくともいくつかを用いて、前記電気ネットワーク上のシステム負荷の評価および前記電気ネットワークに結合された再生可能資源の生成の評価を決定するように構成される評価構成要素と、
前記電気ネットワークに結合された遅い動力学的デバイスおよび速い動力学的デバイスに対する1つまたは複数の最適化パラメータを決定するように構成される統合化されたボルト−バール制御(IVVC)構成要素と、を含み、
前記速い動力学的デバイスが前記1つまたは複数の最適化パラメータの単一の値で動作可能である比較的短い期間と比較して、前記遅い動力学的デバイスは、比較的長い期間の前記1つまたは複数の最適化パラメータの単一の値で動作可能であるように構成され、
前記システムは、
前記最適化パラメータを受け取り、
キャパシタ・バンク・デバイスの最適コミットメント、分散型エネルギー資源(DER)(26)無効電力ベースライン値、ならびに電圧調整器(404)および負荷タップ切換器(LTC)のタップ設定の少なくとも1つを決定し、
前記電気ネットワークに接続された前記デバイスに対してディスパッチメッセージを発行するディスパッチコマンド構成要素をさらに含むシステム。 - 前記IVVC構成要素は、
前記発行されたディスパッチメッセージおよび前記現在の電気ネットワーク状態情報を受け取り、
前記電気ネットワークの改訂された電圧上昇テーブルを生成するように構成される、適応可能な閉ループ電圧上昇テーブルアップデーターをさらに含む、請求項17に記載のシステム。 - 前記IVVC構成要素は、
前記発行されたディスパッチメッセージおよび前記現在の電気ネットワーク状態情報を受け取り、
前記電気ネットワークの改訂された電圧上昇ルックアップテーブルを生成するように構成される、適応可能なロジック構成要素をさらに含む、請求項17に記載のシステム。 - 前記電圧上昇テーブルアップデーターは、前記電気ネットワークに通信可能に結合される監視制御およびデータ収集(SCADA)システムから現在の電気ネットワーク状態情報を受け取るように構成される、請求項17に記載のシステム。
- 前記IVVC構成要素は、局所的な速い動力学的デバイスコントローラをさらに含み、
前記速い動力学的デバイスコントローラは、IVVC設定に基づくDER無効電力寄与を用いる制御アルゴリズム、PVプラント有効電力変動に基づくDER無効電力寄与を用いる制御アルゴリズム、力率に基づくDER無効電力寄与を用いる制御アルゴリズム、および前記局所的電気ネットワークの電圧に基づくDER無効電力寄与を用いる制御アルゴリズムの少なくとも1つを含む、請求項17に記載のシステム。 - 前記アルゴリズムの少なくとも1つは、無効電力寄与のための前記可変生成DERの現在の設定を受け取る、請求項21に記載のシステム。
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JP7337347B2 (ja) | 2021-03-18 | 2023-09-04 | 南京郵電大学 | 負荷トランス及び電力貯蔵調整に基づく配電網電圧制御方法及びシステム |
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CA2867195A1 (en) | 2015-04-17 |
US10135247B2 (en) | 2018-11-20 |
EP2863285B1 (en) | 2019-03-13 |
EP2863285A2 (en) | 2015-04-22 |
EP2863285A3 (en) | 2015-05-20 |
CN104578402A (zh) | 2015-04-29 |
US20150112496A1 (en) | 2015-04-23 |
CN104578402B (zh) | 2019-06-04 |
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