JP2019041481A - 充放電管理装置 - Google Patents
充放電管理装置 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
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
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- B60—VEHICLES IN GENERAL
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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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- 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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- H02J2310/10—The network having a local or delimited stationary reach
- H02J2310/12—The local stationary network supplying a household or a building
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (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
【解決手段】外部の電力網との間で電力の授受が可能な蓄電器と、蓄電器が充放電する電力の調整を行う電気機器と、を有し、蓄電器からの電力供給によって走行可能な車両における、蓄電器の充放電を管理する充放電管理装置は、車両の保証期間の開始時点から計測した電気機器の通電積算時間が第1所定時間以上の場合には、電力網との間で行う電力授受による蓄電器の充放電のうち、蓄電器の残容量を所定レベルに上げるための充電のみを行う。
【選択図】図6
Description
外部の電力網(例えば、後述の実施形態での電力網11)との間で電力の授受が可能な蓄電器(例えば、後述の実施形態での蓄電器114)と、前記蓄電器が充放電する電力の調整を行う電気機器(例えば、後述の実施形態でのVCU115及びインバータ116)と、を有し、前記蓄電器からの電力供給によって走行可能な車両(例えば、後述の実施形態での電動車両14)における、前記蓄電器の充放電を管理する充放電管理装置であって、
前記車両の保証期間の開始時点から計測した前記電気機器の通電積算時間が第1所定時間(例えば、後述の実施形態での通電上限時間Tl)以上の場合には、前記電力網との間で行う電力授受による前記蓄電器の充放電のうち、前記蓄電器の残容量を所定レベルに上げるための充電のみを行う、充放電管理装置である。
所定単位期間の前記電気機器の通電積算時間が第2所定時間(例えば、後述の実施形態での通電上限時間Tld,Tlw)以上の場合には、外部からの要求に応じて前記電力網との間で行う電力授受への参加を制限する。
前記電気機器の通電積算時間は、前記車両の走行時の前記電気機器の通電時間と、前記蓄電器の残容量を前記所定レベルに上げるために行う前記蓄電器の充電時の前記電気機器の通電時間と、外部からの要求に応じて前記蓄電器が前記電力網との間で充放電する際の前記電気機器の通電時間と、を積算した値である。
前記所定単位期間の前記電気機器の通電積算時間と前記第2所定時間との差分を算出し、前記差分に基づいて前記第2所定時間を修正する。
前記第2所定時間は、前記第1所定時間に基づく、前記所定単位期間の前記電気機器の通電時間の上限値であり、
前記所定単位期間の前記電気機器の通電積算時間が前記第2所定時間よりも小さい場合、前記差分に基づく値を前記上限値に加算した値を前記第2所定時間に設定する。
前記第2所定時間は、前記第1所定時間に基づく、前記所定単位期間の前記電気機器の通電時間の上限値であり、
前記所定単位期間の前記電気機器の通電積算時間が前記第2所定時間よりも大きい場合、前記差分に基づく値を前記上限値から減算した値を前記第2所定時間に設定する。
外部からの要求に応じて前記蓄電器が前記電力網との間で行う電力授受への参加の可否は、前記車両の管理者の意思によって決定される。
前記所定単位期間の前記電気機器の通電積算時間が前記第2所定時間未満の場合は、前記車両の管理者が有する携帯通信端末に、外部からの要求に応じて前記電力網との間で行う電力授受への参加の可否を促す通知を行う。
前記充放電管理装置は、電力系統からの電力要求に応じて前記車両の前記蓄電器の充放電を制御するサーバ装置(例えば、後述の実施形態でのアグリゲータ17)に設けられる。
前記充放電管理装置は、前記車両に設けられる。
V2G(Vehicle to Grid)システムは、商用電力網を含む電力系統と電動車両との間で電力の融通を行うシステムであり、電動車両が移動手段として用いられない時には、この電動車両に搭載された蓄電器が電力貯蔵設備として利用される。このため、V2Gに参加する電動車両と電力系統の間では双方向の電力の授受が行われる。
図1は、V2Gシステム1の全体構成を示す図である。図1に示すようにV2Gシステム1は、火力、風力、原子力又は太陽光等のエネルギーによって発電を行う発電所等が発電した電力を送電する電力網11と、電力供給を受ける電力需要家12とを含む電力系統10と、図示しない配電設備などを介して電力網11に接続された外部電源資源であるEVSE(Electric Vehicle Service Equipment)13と、充放電可能な蓄電器を搭載したEV(Electrical Vehicle)やPHEV(Plug-in Hybrid Electric Vehicle)等の電動車両14と、通信網16と、通信網16に接続されたEVSE13を介して電動車両14が有する蓄電器の充放電を管理するアグリゲータ17とを備える。図1に示す例は、アグリゲータ17が、3つのEVSE13の各々に接続される3台の電動車両14を管理する。
次に、V2Gに参加可能な電動車両14が有する蓄電器114の充放電管理について説明する。下記表は、電動車両14の保証期間、1年間、1週間及び1日当たりの、蓄電器114が充放電するために必要な電気機器であるVCU115及びインバータ116(以下、単に「電気機器」という。)の通電上限時間を表す。
(時間帯) (動作)
0:00〜 6:00 周波数調整
6:00〜 7:00 充電
7:00〜 7:15 プレ空調
7:15〜 8:00 走行
8:00〜 8:45 充電
12:00〜13:00 走行
13:00〜13:45 充電
17:00〜18:00 走行
18:00〜19:00 周波数調整
19:00〜22:00 瞬動予備力
22:00〜24:00 充電
(時間帯) (動作)
0:00〜 6:00 周波数調整
6:00〜 7:00 充電
7:00〜 7:15 プレ空調
7:15〜 8:00 走行
8:00〜 8:45 充電
12:00〜13:00 走行
13:00〜13:45 充電
17:00〜18:00 走行
18:00〜24:00 周波数調整
(時間帯) (動作)
0:00〜24:00 周波数調整
第2実施形態では、電動車両14の1日の通電積算時間に上限を設けない場合について説明する。第2実施形態の構成は、第1実施形態で説明したV2Gシステムと同様である。
10 電力系統
11 電力網
12 電力需要家
13 EVSE
14 電動車両
16 通信網
17 アグリゲータ
19 携帯通信端末
101 ケーブル
102 コネクタ
103 デジタル通信部
111 インレット
112 デジタル通信部
113 モータジェネレータ
114 蓄電器
115 VCU
116 インバータ
117 ECU
118 無線部
121 無線部
122 制御部
123 送信部
Ta 走行通電時間
Tb 充電通電時間
Tc V2G通電時間
Tf 周波数調整通電時間
Ts 瞬動予備力通電時間
Claims (10)
- 外部の電力網との間で電力の授受が可能な蓄電器と、前記蓄電器が充放電する電力の調整を行う電気機器と、を有し、前記蓄電器からの電力供給によって走行可能な車両における、前記蓄電器の充放電を管理する充放電管理装置であって、
前記車両の保証期間の開始時点から計測した前記電気機器の通電積算時間が第1所定時間以上の場合には、前記電力網との間で行う電力授受による前記蓄電器の充放電のうち、前記蓄電器の残容量を所定レベルに上げるための充電のみを行う、充放電管理装置。 - 請求項1に記載の充放電管理装置であって、
所定単位期間の前記電気機器の通電積算時間が第2所定時間以上の場合には、外部からの要求に応じて前記電力網との間で行う電力授受への参加を制限する、充放電管理装置。 - 請求項1又は2に記載の充放電管理装置であって、
前記電気機器の通電積算時間は、前記車両の走行時の前記電気機器の通電時間と、前記蓄電器の残容量を前記所定レベルに上げるために行う前記蓄電器の充電時の前記電気機器の通電時間と、外部からの要求に応じて前記蓄電器が前記電力網との間で充放電する際の前記電気機器の通電時間と、を積算した値である、充放電管理装置。 - 請求項3に記載の充放電管理装置であって、
前記所定単位期間の前記電気機器の通電積算時間と前記第2所定時間との差分を算出し、前記差分に基づいて前記第2所定時間を修正する、充放電管理装置。 - 請求項4に記載の充放電管理装置であって、
前記第2所定時間は、前記第1所定時間に基づく、前記所定単位期間の前記電気機器の通電時間の上限値であり、
前記所定単位期間の前記電気機器の通電積算時間が前記第2所定時間よりも小さい場合、前記差分に基づく値を前記上限値に加算した値を前記第2所定時間に設定する、充放電管理装置。 - 請求項4に記載の充放電管理装置であって、
前記第2所定時間は、前記第1所定時間に基づく、前記所定単位期間の前記電気機器の通電時間の上限値であり、
前記所定単位期間の前記電気機器の通電積算時間が前記第2所定時間よりも大きい場合、前記差分に基づく値を前記上限値から減算した値を前記第2所定時間に設定する、充放電管理装置。 - 請求項1から6のいずれか1項に記載の充放電管理装置であって、
外部からの要求に応じて前記蓄電器が前記電力網との間で行う電力授受への参加の可否は、前記車両の管理者の意思によって決定される、充放電管理装置。 - 請求項1から7のいずれか1項に記載の充放電管理装置であって、
前記所定単位期間の前記電気機器の通電積算時間が前記第2所定時間未満の場合は、前記車両の管理者が有する携帯通信端末に、外部からの要求に応じて前記電力網との間で行う電力授受への参加の可否を促す通知を行う、充放電管理装置。 - 請求項1から8のいずれか1項に記載の充放電管理装置であって、
前記充放電管理装置は、電力系統からの電力要求に応じて前記車両の前記蓄電器の充放電を制御するサーバ装置に設けられた、充放電管理装置。 - 請求項1から8のいずれか1項に記載の充放電管理装置であって、
前記充放電管理装置は、前記車両に設けられた、充放電管理装置。
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