JP2021175367A - 電気自動車のac充電システム - Google Patents
電気自動車のac充電システム Download PDFInfo
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
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- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
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- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
(第1実施形態)
(第2実施形態)
(第3実施形態)
11、11a、11b:電力検出モジュール、
12、12aから12w:ローカル給電モジュール、
121、121a、121b、121n:電力出力ユニット、
122、122a、122b、122n:切替ユニット、
123a:接続検出ユニット、
124a:電流検出ユニット、
13:ローカル充電制御モジュール、
14、34:グローバル充電制御モジュール、
15:充電システム制御センター、
20:送配電網、
201:第一ローカル電力変換装置
202:第二ローカル電力変換装置
203:送配電網制御センター
22、22a、22b、22n、52a:電気自動車
24:第三者向け電力消費者
241:一般向け電力消費者
242:工業向け電力消費者
35:住宅電力メーター
36:延長コード
402:ローカル電力変換装置
APa、APb、APn:制御可能な電力
I01:電力パラメータ
I02:遠隔制御情報
I03:負荷制御情報
I04:総負荷情報
I05:ローカル制御情報
LPL:ローカル電源配線
PW1:第一電力
PW2:第二電力
PW21、PW22、PW211,PW23:電力配線
PW3:住宅配線
S1:変圧器定格電力
S2:電力増大制御値
S3:電力減少制御値
W1:一次巻線
W2:二次巻線
X軸(x1、x2、x3、x4):非総充電電力
Y軸(y1、y2、y3、y4):総充電電力
Claims (10)
- 送配電網によって応用され、電力検出モジュール、複数のローカル給電モジュールおよびローカル充電制御モジュールを備える電気自動車のAC充電システムであって、
前記送配電網は相互に接続する第一ローカル電力変換装置および第二ローカル電力変換装置を有し、前記第一ローカル電力変換装置の電力は前記第二ローカル電力変換装置の電力より大きく、
前記電力検出モジュールは前記第二ローカル電力変換装置に接続され、電力パラメータを生じ、
複数の前記ローカル給電モジュールはそれぞれローカル電源配線によって前記第二ローカル電力変換装置の電力出力側に接続され、電力出力ユニット、切替ユニットおよび電流検出ユニットを有し、前記電力出力ユニットは制御可能な電力を出力し、前記切替ユニットは対応する前記電力出力ユニットおよび前記ローカル電源配線の間に別々に接続され、前記電流検出ユニットは前記電力出力ユニットの電流を検出し、
前記ローカル充電制御モジュールは前記電力検出モジュールに接続され、前記第二ローカル電力変換装置の電力に基づいて複数の前記ローカル給電モジュールに可能な電力を出力させることを別々に制御し、
数多くの電気自動車はケーブルによって前記ローカル給電モジュールの前記電力出力ユニットに接続され、前記電力出力ユニットは前記ローカル充電制御モジュールに制御されたうえで数多くの前記電気自動車に制御可能な電力を出力し、充電作業を行うことを特徴とする電気自動車のAC充電システム。 - 前記第二ローカル電力変換装置の電力が電力増大制御値まで上昇する際、前記ローカル充電制御モジュールは前記ローカル給電モジュールの総充電電力を自動的に下げ、
前記第二ローカル電力変換装置の電力が電力減少制御値まで降下し、充電が必要になる際、前記ローカル充電制御モジュールは前記ローカル給電モジュールの総充電電力を自動的に上げることを特徴とする請求項1に記載の電気自動車のAC充電システム。 - さらに送配電網制御センターを備え、
前記送配電網制御センターは、グローバル充電制御モジュールによって前記ローカル充電制御モジュールの総充電電力を制御し、前記第二ローカル電力変換装置の電力を調整することを特徴とする請求項1に記載の電気自動車のAC充電システム。 - 前記ローカル給電モジュールはさらに接続検出ユニットを有し、
前記接続検出ユニットは前記電力出力ユニットが外部電源コネクタに接続されるか否かを検出し、
前記電力出力ユニットが前記外部電源コネクタに接続されなければ、前記ローカル給電モジュールは制御可能な電力を供給できないことを特徴とする請求項1に記載の電気自動車のAC充電システム。 - 前記電力出力ユニットと前記電気自動車を接続する前記ケーブルは前記電気自動車内に用意されたコードリールであることを特徴とする請求項1に記載の電気自動車のAC充電システム。
- 前記ローカル給電モジュールは前記ローカル充電制御モジュールに制御されたうえで前記電気自動車に前記充電作業を順番に行い、
前記充電作業を順番に行う際、前記電気自動車は対応する前記電力出力ユニットに電気的に接続され、前記電力出力ユニットは充電執行待ちまたは充電執行中の状態に維持されることを特徴とする請求項1に記載の電気自動車のAC充電システム。 - それぞれの前記電力出力ユニットに制御可能な電力を出力させる方法は、
前記ローカル充電制御モジュールによって数多くの前記電気自動車から一つの前記電気自動車を指定し、充電段階の電流情報を伝達するステップと、
指定した前記電気自動車によって車載AC−DC変換器を制御すると同時に、前記充電段階の前記電流情報に基づいて充電指令を行うステップと、
指定した前記ローカル給電モジュールの前記電流検出ユニットによって指定した前記電気自動車の充電電流を前記ローカル充電制御モジュールが受けるステップと、
指定した前記電気自動車の充電電流および前記充電段階の前記電流情報に関わる指令の誤差が許容範囲内であるか否かを確認し、前記誤差が前記許容範囲を超えた場合、指定した前記電気自動車の前記充電作業を前記ローカル充電制御モジュールが前記切替ユニットによって停止するステップと、
を含むことを特徴とする請求項6に記載の電気自動車のAC充電システム。 - さらに前記充電作業を行う前に、数多くの前記電気自動車の車両状態情報が正確であるか否か、有効であるか否かを前記ローカル充電制御モジュールによって確認する作業を含むことを特徴とする請求項1に記載の電気自動車のAC充電システム。
- 任意の一つの前記ローカル電源配線の電力が一つの配線容量増大制御値まで上昇する際、前記ローカル充電制御モジュールは前記ローカル電源配線に接続される前記ローカル給電モジュールの総充電電力を自動的に下げ、
任意の一つの前記ローカル電源配線の電力が一つの配線容量減少制御値まで降下し、充電が必要になる際、前記ローカル充電制御モジュールは前記ローカル電源配線に接続される前記ローカル給電モジュールの総充電電力を自動的に上げることを特徴とする請求項1に記載の電気自動車のAC充電システム。 - 送配電網および住宅によって応用され、電力検出モジュール、一つ以上のローカル給電モジュール、ローカル充電制御モジュールおよび住宅電力メーターを備える電気自動車のAC充電システムであって、
前記送配電網は相互に接続する第一ローカル電力変換装置および第二ローカル電力変換装置を有し、前記第一ローカル電力変換装置の電力は前記第二ローカル電力変換装置の電力より大きく、
前記電力検出モジュールは前記第二ローカル電力変換装置に接続され、電力パラメータを生じ、
一つ以上の前記ローカル給電モジュールはローカル電源配線によって前記第二ローカル電力変換装置の電力出力側に接続され、電力出力ユニット、切替ユニットおよび電流検出ユニットを有し、前記電力出力ユニットは電気自動車に制御可能な電力を出力し、充電作業を行い、前記切替ユニットは対応する前記電力出力ユニットおよび前記ローカル電源配線の間に別々に接続され、前記電流検出ユニットは前記電力出力ユニットの電流情報を検出し、
前記ローカル充電制御モジュールは前記電力検出モジュールに接続され、前記第二ローカル電力変換装置の電力に基づいて一つ以上の前記ローカル給電モジュールに制御可能な電力を出力させることを別々に制御し、
前記ローカル充電制御モジュールは前記電流検出ユニットで検出した電流情報に基づいて住宅用総充電電力量を算出し、
前記住宅電力メーターは所在地の前記ローカル給電モジュールと前記第二ローカル電力変換装置との間に設置され、住宅用総消費電力量を計量し、
前記住宅用総消費電力量は前記住宅用総充電電力量および非住宅用総充電電力量に区別され、前記住宅用総充電電力量および前記非住宅用総充電電力量は別々に精算され、計算式は「前記非住宅用総充電電力量=前記住宅用総消費電力量−前記住宅用総充電電力量」であることを特徴とする電気自動車のAC充電システム。
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