KR20210082457A - 충전 단자를 통해 어큐뮬레이터 배터리를 충전하는 방법 - Google Patents
충전 단자를 통해 어큐뮬레이터 배터리를 충전하는 방법 Download PDFInfo
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- KR20210082457A KR20210082457A KR1020217012449A KR20217012449A KR20210082457A KR 20210082457 A KR20210082457 A KR 20210082457A KR 1020217012449 A KR1020217012449 A KR 1020217012449A KR 20217012449 A KR20217012449 A KR 20217012449A KR 20210082457 A KR20210082457 A KR 20210082457A
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Abstract
Description
첨부된 도면들에서 :
- 도 1은 본 발명에 따른 충전소 및 자동차의 개략도이다;
- 도 2a는 충전소에서 이용 가능한 전력의 시간에 따른 변화의 일례를 나타내는 그래프이다;
- 도 2b 및 도 2c는 도 2a에 도시된 그래프에 대응하는 그래프들이며, 충전소로 시간 슬롯이 선택되는 방법을 도시하는 도면이다;
- 도 3a는 충전소에서 이용 가능한 전기의 요금의 시간에 따른 변화의 일례를 나타내는 그래프이다;
- 도 3b 및 도 3c는 도 3a에 도시된 그래프에 대응하는 그래프들이며, 충전소로 시간 슬롯이 선택되는 방법을 도시하는 도면이다;
- 도 4a 내지 도 4d는 충전소와의 4개의 시간 슬롯들의 연속 예약을 도시하는 그래프들이다.
- 도 5는 도 1에 도시된 차량의 어큐뮬레이터 배터리가 그 충전 상태의 함수로서 수신할 수 있는 최대 전력의 변화를 나타내는 그래프이며, 이 그래프는 충전소가 전달할 수 있는 최대 전력, 그리고 자동차의 충전기가 수신할 수 있는 최대 전력을 도시한다.
- 도 6a, 도 6b 및 도 6c는 각각 충전소로부터 이용 가능한 전기의 요금의 시간에 따른 변화, 차량의 어큐뮬레이터 배터리의 충전 상태의 변화, 그리고 충전소로부터 소비되는 전력의 변화를 나타내는 그래프들이다.
- 도 7은 본 발명에 따른 충전 방법을 나타내는 흐름도이다.
Claims (10)
- 충전소(20)에 전기적으로 연결된 자동차(10)에 장착된 어큐뮬레이터 배터리(12)를 충전하는 방법으로서,
상기 방법은 :
a) 충전소(20)에서 이용 가능한 전력(P20) 및 전기의 요금(C20)의 시간에 따른 변화와 관련된 데이터를 수신하는 단계; 및
b) 사용 가능한 전력(P20)이 0이 아니고 전기 요금이 최저인 시간 슬롯(δti)을 선택하는 단계를 포함하고,
상기 방법은 :
c) 어큐뮬레이터 배터리(12)가 시간 슬롯(δti) 시기에 나타낼 온도(Ti) 및 어큐뮬레이터 배터리(12)가 시간 슬롯(δti)의 시작시에 나타낼 충전 상태(SOCi)를 추정하는 단계;
d) 단계 c)에서 추정된 온도(Ti) 및 충전 상태(SOCi)에 기초하여 시간 슬롯(δti) 동안 충전소(20)가 어큐뮬레이터 배터리(12)에 전송할 수 있는 전력(Pi)을 결정하는 단계;
e) 단계 d)에서 결정된 전력(Pi)에 기초하여 시간 슬롯(δti)의 끝에서 어큐뮬레이터 배터리(12)의 새로운 충전 상태(SOCi+1)를 도출하는 단계;
f) 새로운 충전 상태(SOCi+1)를 목표 충전 상태(SOCN)와 비교하는 단계; 그리고
g) 새로운 충전 상태(SOCi+1)가 목표 충전 상태(SOCN)보다 높거나 같다면, 상기 전력(Pi)으로 상기 시간 슬롯(δti) 동안 상기 충전소(20)에 의해 상기 어큐뮬레이터 배터리(12)를 충전하는 단계를 포함하는, 충전 방법. - 청구항 1에 있어서,
상기 새로운 충전 상태(SOCi+1)가 목표 충전 상태(SOCN)보다 낮다면 :
- 단계들 b) 내지 e)는 추가 시간 슬롯(δtj)과 관련하여 반복되고;
- 단계 f)에서, 상기 목표 충전 상태(SOCN)는 어큐뮬레이터 배터리(12)가 2개의 시간 슬롯들(δti, δtj) 후에 나타낼 충전 상태(SOC)와 비교되는, 충전 방법. - 청구항 1 또는 청구항 2에 있어서,
단계 a)에서, 상기 자동차(10)가 상기 충전소(20)로부터 분리되도록 예정된 출발 시간이 획득되고,
단계 b)에서, 상기 선택된 시간 슬롯은 상기 출발 시간 이전에 있는, 충전 방법. - 청구항 2 또는 청구항 3에 있어서,
단계 b) 내지 단계 e)의 반복 동안, 충전소(20)가 각각의 시간 슬롯(δti, δtj) 동안 어큐뮬레이터 배터리(12)로 전송할 수 있는 전력(P)이 결정되며, 그 다음,
상기 전력(P)으로부터, 출발 시간까지의 어큐뮬레이터 배터리(12)의 충전 상태(SOC)의 변화가 도출되는, 충전 방법. - 청구항 1 내지 청구항 4 중 어느 한 항에 있어서,
단계 b)에서, 전기 요금이 여러 시간 슬롯들에 대해 최소이면, 이러한 시간 슬롯들 중에서 선택된 시간 슬롯(δti)은 가장 빠른 시간 슬롯인, 충전 방법. - 청구항 1 내지 청구항 5 중 어느 한 항에 있어서,
단계 a) 전에 :
- 어큐뮬레이터 배터리(12)의 순간 충전 상태(SOC0)가 결정되며;
- 순간 충전 상태(SOC0)가 충전 상태 임계값(SOCmin)과 비교되고;
- 상기 순간 충전 상태(SOC0)가 충전 상태 임계값(SOCmin)보다 낮으면, 사용 가능한 전력(P20)이 0이 아닌 처음 시간 슬롯에서 어큐뮬레이터 배터리(12)가 충전되는, 충전 방법. - 청구항 1 내지 청구항 6 중 어느 한 항에 있어서,
상기 단계 c)에서, 상기 어큐뮬레이터 배터리(12)의 온도(Ti)는 미리 결정된 수학적 모델 또는 미리 결정된 지도에 기초하여 추정되는, 충전 방법. - 청구항 1 내지 청구항 7 중 어느 한 항에 있어서,
단계 d)에서, 전력(Pi)을 결정하기 위해서 :
- 선택된 시간 슬롯(δti)에서 충전소(20)에서 이용 가능한 전력(P20), 그리고
- 차량(10)에 의해 허용되는 최대 전력으로서, 허용되는 최대 전력은 단계 c)에서 추정된 온도(Ti) 및 충전 상태(SOCi)를 기초로 결정되는, 최대 전력
중에서 가장 낮은 전력이 선택되는, 충전 방법. - 청구항 1 내지 청구항 8 중 어느 한 항에 있어서,
단계 e)에서, 시간 슬롯(δti)의 끝에 어큐뮬레이터 배터리(12)에 저장될 에너지(Ei+1)가 계산되며, 계산된 에너지(Ei+1)로부터, 새로운 충전 상태(SOCi+1)가 도출되는, 충전 방법. - 적어도 하나의 전기 구동 모터(11) 및 각 전기 모터(11)에 전류를 공급하도록 설계된 어큐뮬레이터 배터리(12)를 포함하는 자동차(10)로서,
상기 자동차(10)는 청구항 1 내지 청구항 9 중 어느 한 항에 따른 충전 방법을 구현하도록 프로그래밍된 컴퓨터(15)를 포함하는 것을 특징으로 하는, 자동차(10).
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FR1859928A FR3087899B1 (fr) | 2018-10-26 | 2018-10-26 | Methode de charge d'une batterie d'accumulateurs par une borne de charge |
PCT/EP2019/078317 WO2020083756A1 (fr) | 2018-10-26 | 2019-10-18 | Méthode de charge d'une batterie d'accumulateurs par une borne de charge |
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US8643330B2 (en) * | 2011-09-02 | 2014-02-04 | Tesla Motors, Inc. | Method of operating a multiport vehicle charging system |
FR2979762B1 (fr) * | 2011-09-07 | 2015-04-10 | Electricite De France | Procede et dispositif de recharge optimisee de batterie electrique |
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