JP4433752B2 - 組電池の充放電制御装置 - Google Patents
組電池の充放電制御装置 Download PDFInfo
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Description
ΔSOC1=SOCmax−SOCave …(1)
ΔSOC2=SOCave−SOCmin …(2)
ただし、SOCmaxは、ステップS20で算出した各セルs1〜s4のSOCのうち、最大の値を示すSOCであり、SOCminは最小の値を示すSOCである。また、SOCaveは、ステップS20で算出した各セルs1〜s4のSOCの平均値である。
SOC_lim1=75−(ΔSOC1×η) …(3)
SOC_lim2=45+ΔSOC2 …(4)
2…バッテリコントローラ
2a…CPU
2b…メモリ
2c…タイマ
2d…セル電圧検出部
3…車両コントローラ
4…メインスイッチ
5…補助電池
6…電流センサ
7…電圧センサ
8a,8b…メインリレー
9…モータジェネレータ
10…インバータ
11…補機システム
12…警告灯
13…温度センサ
s1〜s4…セル
Claims (7)
- 複数のセルから構成され、充放電可能な組電池の充放電制御装置において、
前記組電池のSOCを検出する組電池SOC検出手段と、
前記組電池SOC検出手段により検出された組電池のSOCが上限値に到達すると前記組電池の充電の制限を開始し、前記組電池のSOCが下限値に到達すると前記組電池の放電の制限を開始する充放電制御手段と、
前記組電池を構成する各セルのSOCを検出するセルSOC検出手段と、
前記セルSOC検出手段により検出された各セルのSOCに基づき算出される各セル間のSOCのばらつきの大きさに基づいて、前記上限値および前記下限値のうちの少なくとも一方の値を変更する制限値変更手段とを備えることを特徴とする組電池の充放電制御装置。 - 請求項1に記載の組電池の充放電制御装置において、
前記制限値変更手段は、前記セルSOC検出手段により検出された各セルのSOCのうち、最大値を示すセルSOCと、前記セルSOC検出手段により検出された各セルのSOCの平均SOCとに基づいて、前記上限値を変更することを特徴とする組電池の充放電制御装置。 - 請求項2に記載の組電池の充放電制御装置において、
前記制限値変更手段は、予め設定された初期値から、前記最大値を示すセルSOCと前記平均SOCとの差分を減じた値に基づいて、前記変更する上限値を決定することを特徴とする組電池の充放電制御装置。 - 請求項2に記載の組電池の充放電制御装置において、
前記制限値変更手段は、予め設定された初期値から、前記最大値を示すセルSOCと前記平均SOCとの差分に前記組電池の充電効率を乗じた値を減じた値に基づいて、前記変更する上限値を決定することを特徴とする組電池の充放電制御装置。 - 請求項1〜4のいずれかに記載の組電池の充放電制御装置において、
前記制限値変更手段は、前記セルSOC検出手段により検出された各セルの電圧のうち、最小値を示すセルSOCと、前記セルSOC検出手段により検出された各セルのSOCの平均SOCとに基づいて、前記下限値を変更することを特徴とする組電池の充放電制御装置。 - 請求項5に記載の組電池の充放電制御装置において、
前記制限値変更手段は、予め設定された初期値に、前記平均SOCと前記最小値を示すセルSOCとの差分を加算した値に基づいて、前記変更する下限値を決定することを特徴とする組電池の充放電制御装置。 - 複数のセルから構成され、充放電可能な組電池の充放電制御装置において、
前記組電池のSOCを検出する組電池SOC検出手段と、
前記組電池SOC検出手段により検出された組電池のSOCが上限値に到達すると前記組電池の充電の制限を開始し、前記組電池のSOCが下限値に到達すると前記組電池の放電の制限を開始する充放電制御手段と、
前記組電池を構成する各セルの電圧を検出するセル電圧検出手段と、
前記セル電圧検出手段により検出された各セルの電圧に基づき算出される各セル間の電圧のばらつきの大きさに基づいて、前記上限値および前記下限値のうちの少なくとも一方の値を変更する制限値変更手段とを備えることを特徴とする組電池の充放電制御装置。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2003345526A JP4433752B2 (ja) | 2003-10-03 | 2003-10-03 | 組電池の充放電制御装置 |
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| JP2003345526A JP4433752B2 (ja) | 2003-10-03 | 2003-10-03 | 組電池の充放電制御装置 |
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| Publication Number | Publication Date |
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| JP2005117722A JP2005117722A (ja) | 2005-04-28 |
| JP4433752B2 true JP4433752B2 (ja) | 2010-03-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021040217A1 (ko) | 2019-08-23 | 2021-03-04 | 주식회사 엘지화학 | 에너지저장시스템(ess)의 셀 안정화 방법 및 시스템 |
| KR102431801B1 (ko) * | 2022-03-23 | 2022-08-11 | 주식회사 크레스트 | Soc 인덱스를 이용한 배터리 밸런싱 장치 및 방법 |
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| JP4649443B2 (ja) * | 2007-05-09 | 2011-03-09 | 本田技研工業株式会社 | 蓄電装置保護装置 |
| JP5159498B2 (ja) * | 2008-07-29 | 2013-03-06 | 三洋電機株式会社 | ハイブリッドカーの電源装置における電池の充放電制御方法 |
| JP2010166752A (ja) * | 2009-01-19 | 2010-07-29 | Sony Corp | 電池パックおよび充放電制御方法 |
| JP5682347B2 (ja) * | 2011-02-03 | 2015-03-11 | トヨタ自動車株式会社 | 車両および車両用制御方法 |
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| JP6316623B2 (ja) * | 2014-03-12 | 2018-04-25 | 住友建機株式会社 | ショベル |
| JP6344336B2 (ja) * | 2015-08-25 | 2018-06-20 | トヨタ自動車株式会社 | 電池システム |
| JP6624637B2 (ja) * | 2016-02-22 | 2019-12-25 | Necプラットフォームズ株式会社 | 放電制御装置、放電制御システム、放電制御方法およびプログラム |
| KR101782527B1 (ko) | 2016-09-20 | 2017-09-27 | 조선대학교산학협력단 | 배터리랙 충전상태 추정 장치 및 그 방법 |
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| WO2021040217A1 (ko) | 2019-08-23 | 2021-03-04 | 주식회사 엘지화학 | 에너지저장시스템(ess)의 셀 안정화 방법 및 시스템 |
| US12438384B2 (en) | 2019-08-23 | 2025-10-07 | Lg Energy Solution, Ltd. | Cell stabilizing method and system of energy storage system (ESS) |
| KR102431801B1 (ko) * | 2022-03-23 | 2022-08-11 | 주식회사 크레스트 | Soc 인덱스를 이용한 배터리 밸런싱 장치 및 방법 |
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