JP2022044228A - 充電装置および充電装置の制御方法 - Google Patents
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- B60L50/00—Electric propulsion with power supplied within the vehicle
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H02M1/00—Details of apparatus for conversion
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- H02M1/4208—Arrangements for improving power factor of AC input
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- H—ELECTRICITY
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- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/125—Avoiding or suppressing excessive transient voltages or currents
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- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/50—Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
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Abstract
Description
図1は、充電システム9の全体構成を概略的に示すブロック図である。図1を参照して、充電システム9は、車両1と、三相電源900とを備える。車両1と三相電源(外部電源)900とは充電ケーブル800により接続可能に構成されている。充電ケーブル800は、コネクタ810、三相電源900のコンセント950に機械的に接続可能に構成されたプラグ820、および、コネクタ810とプラグ820とを結ぶ電線830とを含む。
図2は、充電装置200の構成の一例を詳細に示す回路ブロック図である。図2を参照して、充電装置200は、AC/DCコンバータ210と、DC/DCコンバータ220とを含む。
ここで、三相電源900から供給される電力によりバッテリ10を充電する外部充電を開始するために、インレット90に充電ケーブル800のコネクタ810が接続されると、三相電源900から充電装置200に電源が投入される。上述のとおり、充電装置200の電源投入の際は、コンデンサC1へ突入電流が流れることを抑制するために、プリチャージ抵抗R1を介した、U相電源910によるコンデンサC1のプリチャージが行なわれる。
Vpeak=√2×Vrms・・・(2)
Vrmsは、車両1の仕向け先における系統電源(三相電源900)の電圧の実効値である。所定の誤差Errおよび所定のマージンαは、充電システム9の仕様および/または車両1の仕向け先の系統の特性等に基づいて、適宜設定することができる。
図7は、プレ制御の処理の手順を示すフローチャートである。このフローチャートは、インレット90に充電ケーブル800のコネクタ810が接続されたことが検知された際に、ECU100により開始される。このフローチャートに含まれる各ステップ(以下、ステップを「S」と略す)は、基本的にはECU100によるソフトウェア処理によって実現されるが、ECU100内に作製された専用のハードウェア(電気回路)によって実現されてもよい。
Claims (4)
- 三相電源から供給される交流電力をバッテリに充電する充電装置であって、
前記三相電源から供給された交流電力を直流電力に変換する第1変換回路と、
前記第1変換回路からの出力電圧を前記バッテリの電圧に変換して前記バッテリに供給する第2変換回路と、
前記三相電源の第1~第3相電源と前記第1変換回路との間にそれぞれ設けられる第1~第3リレーと、
前記第1リレーに対して並列に接続されるプリチャージ抵抗と、
前記第1変換回路、前記第2変換回路および前記第1~第3リレーを制御する制御装置とを備え、
前記第1変換回路は、前記三相電源から供給される電力の力率を改善させるとともに、前記三相電源から供給される電圧を昇圧するPFC回路、および、前記PFC回路から供給された直流電圧を平滑化して前記第2変換回路に供給するコンデンサを含み、
前記三相電源との接続時において、前記制御装置は、
前記第1~第3リレーを開放状態にして、前記プリチャージ抵抗を介して前記コンデンサをプリチャージし、
プリチャージの完了後に、前記第1リレーを閉成状態にし、かつ、前記PFC回路を制御して前記コンデンサの電圧を目標電圧まで昇圧し、
前記コンデンサの電圧を前記目標電圧まで昇圧した後に、第2リレーおよび第3リレーを閉成状態にする、充電装置。 - 前記目標電圧は、前記三相電源のピーク電圧に所定値を加算した値以上の値に設定される、請求項1に記載の充電装置。
- 前記PFC回路は、前記第1変換回路と前記第2変換回路とを電気的に接続する電力線間に互いに並列に接続され、前記第1~第3相電源にそれぞれ対応して設けられた第1~第3アームと、前記第1~第3リレーおよび前記第1~第3アームの間にそれぞれ設けられた第1~第3リアクトルを含み、
前記第1~第3アームの各々は、前記電力線間に互いに直列に接続された2つのスイッチング素子と、前記2つのスイッチング素子の各々に対して逆並列に接続されたダイオードとを含み、
前記第1~第3リアクトルは、前記第1~第3アームにおける前記2つのスイッチング素子の接続点にそれぞれ接続され、
前記コンデンサの電圧を前記目標電圧まで昇圧する際に、前記制御装置は、前記第1リアクトルおよび前記第1アームを用いて前記コンデンサの電圧を昇圧させる、請求項1または請求項2に記載の充電装置。 - 三相電源から供給される交流電力をバッテリに充電する充電装置の制御方法であって、
前記充電装置は、
前記三相電源から供給された交流電力を直流電力に変換する第1変換回路と、
前記第1変換回路からの出力電圧を前記バッテリの電圧に変換して前記バッテリに供給する第2変換回路と、
前記三相電源の第1~第3相電源と前記第1変換回路との間にそれぞれ設けられる第1~第3リレーと、
前記第1リレーに対して並列に接続されるプリチャージ抵抗とを含み、
前記第1変換回路は、前記三相電源から供給される電力の力率を改善させるとともに、前記三相電源から供給される電圧を昇圧するPFC回路、および、前記PFC回路から供給された直流電圧を平滑化して前記第2変換回路に供給するコンデンサを含み、
前記制御方法は、
前記三相電源との接続時において、前記第1~第3リレーを開放状態にして、前記プリチャージ抵抗を介して前記コンデンサをプリチャージするステップと、
プリチャージの完了後に、前記第1リレーを閉成状態にし、かつ、前記PFC回路を制御して前記コンデンサの電圧を目標電圧まで昇圧するステップと、
前記コンデンサの電圧を前記目標電圧まで昇圧した後に、第2リレーおよび第3リレーを閉成状態にするステップとを含む、充電装置の制御方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020149757A JP7302558B2 (ja) | 2020-09-07 | 2020-09-07 | 充電装置および充電装置の制御方法 |
US17/466,070 US11926229B2 (en) | 2020-09-07 | 2021-09-03 | Charging device and method of control of the same |
CN202111030624.4A CN114148193B (zh) | 2020-09-07 | 2021-09-03 | 充电设备及其控制方法 |
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US11926229B2 (en) | 2024-03-12 |
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