CN115885447A - 充放电装置、电池充电和放电的方法、以及充放电系统 - Google Patents
充放电装置、电池充电和放电的方法、以及充放电系统 Download PDFInfo
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Abstract
本申请实施例提供一种充放电装置,能够提升电池的充电效率。该充放电装置包括AC/DC转换器、第一DC/DC转换器、第二DC/DC转换器和控制单元,第二DC/DC转换器的一端连接在第一DC/DC转换器和AC/DC转换器之间,另一端连接储能单元;控制单元用于:接收BMS发送的第一充电请求,第一充电请求包括第一充电电压和第一充电电流;基于第一充电电压和第一充电电流设置第一DC/DC转换器的输出功率;若储能单元的SOC大于第一阈值,开启第二DC/DC转换器,以通过第一DC/DC转换器和第二DC/DC转换器由储能单元向电池充电;在储能单元向电池充电的过程中,若母线电压小于充放电装置的母线平衡电压且二者的电压差值超过预设值,调整第二DC/DC转换器的输出功率以使该电压差值小于等于预设值。
Description
PCT国内申请,说明书已公开。
Claims (27)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
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PCT/CN2021/109379 WO2023004716A1 (zh) | 2021-07-29 | 2021-07-29 | 充放电装置、电池充电和放电的方法、以及充放电系统 |
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CN115885447A true CN115885447A (zh) | 2023-03-31 |
CN115885447B CN115885447B (zh) | 2024-02-02 |
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US (1) | US11685289B2 (zh) |
EP (1) | EP4220885B1 (zh) |
JP (1) | JP7374231B2 (zh) |
KR (1) | KR102534561B1 (zh) |
CN (1) | CN115885447B (zh) |
WO (1) | WO2023004716A1 (zh) |
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CN111293739B (zh) * | 2018-12-10 | 2022-05-17 | 华为技术有限公司 | 一种充电方法及装置 |
US11267360B2 (en) * | 2020-06-30 | 2022-03-08 | Apple Inc. | Modular charging systems for vehicles |
WO2023004712A1 (zh) * | 2021-07-29 | 2023-02-02 | 宁德时代新能源科技股份有限公司 | 充放电装置、电池充电的方法和充放电系统 |
CN116806316A (zh) * | 2021-09-08 | 2023-09-26 | 株式会社Lg新能源 | 包括新安装电池架的能量存储系统和用于控制其的方法 |
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EP4220885A1 (en) | 2023-08-02 |
JP7374231B2 (ja) | 2023-11-06 |
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US11685289B2 (en) | 2023-06-27 |
EP4220885B1 (en) | 2024-04-17 |
KR20230019378A (ko) | 2023-02-08 |
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