KR101166020B1 - 비접촉 충전 시스템 및 이를 포함한 에너지 저장 시스템 - Google Patents
비접촉 충전 시스템 및 이를 포함한 에너지 저장 시스템 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
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Abstract
Description
도 2는 도 1에 도시된 비접촉 충전 시스템(200)의 블록 도이다.
도 3a 및 3b는 도 2에 도시된 비접촉 변압기의 형상을 도시한 도면들이다.
도 4a 및 4b는 종래기술에 따른 비접촉 충전 시스템의 시뮬레이션 결과를 도시한 도면들이다.
도 5a 및 5b는 본 발명의 일 실시 예에 따른 비접촉 충전 시스템의 시뮬레이션 결과를 도시한 도면들이다.
120: 배터리
200: 비접촉 충전 시스템
160: 전기 이동체
210: 인덕터
220: 비접촉 변압기
230: 정류부
Claims (20)
- 비접촉 충전 시스템에 있어서,
배터리에 저장된 전력을 부하에 전달하기 위한 비접촉 변압기를 포함하고,
상기 비접촉 변압기는,
제1 기저부와, 상기 제1 기저부로부터 돌출된 돌출부를 구비하고, 상기 돌출부에 감긴 1차 권선을 포함하는 1차 코어부; 및
제2 기저부와, 상기 제2 기저부 상에 상기 돌출부를 수용하도록 형성된 오목부를 구비하고, 상기 오목부의 내면에 상기 1차 권선과 결합하도록 배치된 2차 권선을 포함하는 2차 코어부를 포함하며,
상기 2차 코어부는 박스 형상인 것을 특징으로 하는 비접촉 충전 시스템. - 제 1 항에 있어서,
상기 1차 권선 및 상기 2차 권선 사이에 공극을 포함하는 것을 특징으로 하는 비접촉 충전 시스템. - 제 1 항에 있어서,
상기 배터리의 전력을 스위칭하여 교류로 변환하여 상기 1차 코어부에 전달하는 인버터; 및
상기 인버터의 후단에 접속되고, 상기 1차 코어부와 직렬로 접속된 제1 커패시터를 더 포함하는 것을 특징으로 하는 비접촉 충전 시스템. - 제 3 항에 있어서,
상기 2차 코어부의 후단에 병렬로 접속된 제2 커패시터를 더 포함하는 것을 특징으로 하는 비접촉 충전 시스템. - 제 4 항에 있어서,
상기 2차 코어부로부터 전달된 전력을 정류하여 상기 부하에 전달하는 정류부를 더 포함하는 것을 특징으로 하는 비접촉 충전 시스템. - 삭제
- 제 1 항에 있어서,
상기 부하는,
전기 이동체의 배터리인 것을 특징으로 하는 비접촉 충전 시스템. - 제 7 항에 있어서,
상기 2차 코어부는,
상기 전기 이동체에 구비되는 것을 특징으로 하는 비접촉 충전 시스템. - 신 재생 발전 시스템으로부터 발전된 전력을 변환하여 상용 계통, 부하, 에 공급하거나 배터리에 저장하고, 상기 상용 계통으로부터 공급된 전력을 상기 부하에 공급하거나 상기 공급된 전력을 변환하여 상기 배터리에 저장하고, 상기 배터리에 저장된 전력을 변환하여 상기 상용 계통 또는 상기 부하에 공급하는 에너지 저장 시스템으로서,
상기 배터리에 저장된 전력을 비접촉 변압기를 이용하여 전기 이동체의 배터리에 충전하기 위한 비접촉 충전 시스템; 및
상기 에너지 저장 시스템의 전력 변환을 제어하는 통합 제어기;를 더 포함하고,
상기 비접촉 변압기는,
제1 기저부와, 상기 제1 기저부로부터 돌출된 돌출부를 구비하고, 상기 돌출부에 감긴 1차 권선을 포함하는 1차 코어부; 및
제2 기저부와, 상기 제2 기저부 상에 상기 돌출부를 수용하도록 형성된 오목부를 구비하고, 상기 오목부의 내면에 상기 1차 권선과 결합하도록 배치된 2차 권선을 포함하는 2차 코어부;를 포함하고,
상기 비접촉 충전 시스템은,
상기 배터리의 전력을 스위칭하여 교류로 변환하여 상기 1차 코어부에 전달하는 인버터; 및
상기 인버터의 후단에 접속되고, 상기 1차 코어부와 직렬로 접속된 제1 커패시터;를 더 포함하며,
상기 통합 제어기는,
상기 인버터의 스위칭 주파수를 상기 1차 코어부와 직렬로 접속된 제1 커패시터에 의한 공진 주파수를 기초로 제어하는 것을 특징으로 하는 에너지 저장 시스템. - 삭제
- 삭제
- 삭제
- 제 9 항에 있어서,
상기 비접촉 충전 시스템은,
상기 2차 코어부의 후단에 병렬로 접속된 제2 커패시터를 더 포함하는 것을 특징으로 하는 에너지 저장 시스템. - 제 13 항에 있어서,
상기 비접촉 충전 시스템은,
상기 2차 코어부로부터 전달된 전력을 정류하여 상기 부하에 전달하는 정류부를 더 포함하는 것을 특징으로 하는 에너지 저장 시스템. - 제 9 항에 있어서,
상기 제2 코어부는,
상기 전기 이동체에 구비되는 것을 특징으로 하는 에너지 저장 시스템. - 제 9 항에 있어서,
상기 인버터는,
적어도 4개의 스위칭 소자를 포함하는 풀 브릿지 구조인 것을 특징으로 하는 에너지 저장 시스템. - 신재생 발전 시스템으로부터 발전된 전력을 변환하여 제1 노드에 출력하는 MPPT 컨버터;
상기 제1 노드와, 상용 계통 및 부하가 접속된 제2 노드 사이에 접속되어, 상기 제1 노드를 통해 입력된 제1 전력을 제2 전력으로 변환하여 상기 제2 노드로 출력하고, 상기 상용 계통으로부터의 공급된 전력을 상기 제1 전력으로 변환하여 상기 제1 노드로 출력하는 양방향 인버터;
제3 전력을 저장하는 배터리;
상기 배터리와 상기 제1 노드 사이에 접속되어, 상기 배터리로부터 출력되는 상기 제3 전력을 상기 제1 전력으로 변환하여 상기 제1 노드를 통해 상기 양방향 인버터로 출력하고, 상기 양방향 인버터로부터 상기 제1 노드를 통해 출력된 상기 제1 전력을 상기 제3 전력으로 변환하여 상기 배터리에 저장하는 양방향 컨버터;
상기 배터리에 저장된 제3 전력을 제4 전력으로 변환하는 인버터;
상기 제4 전력을 제2 코어부를 구비한 전기 이동체의 배터리에 비접촉 전송하기 위한 제1 코어부; 및
상기 MPPT 컨버터, 상기 양방향 인버터, 상기 양방향 컨버터 및 상기 인버터의 전력 변환을 각각 제어하는 통합 제어기를 포함하는 에너지 저장 시스템. - 제 17 항에 있어서,
상기 제1 코어부는,
제1 기저부와, 상기 제1 기저부로부터 돌출된 돌출부를 구비하고, 상기 돌출부에 감긴 1차 권선을 포함하고,
상기 제2 코어부는,
제2 기저부와, 상기 제2 기저부 상에 상기 돌출부를 수용하도록 형성된 오목부를 구비하고, 상기 오목부의 내면에 상기 1차 권선과 결합하도록 배치된 2차 권선을 포함하는 것을 특징으로 하는 에너지 저장 시스템. - 제 18 항에 있어서,
상기 인버터와 상기 1차 코어부 사이에 접속되고, 상기 1차 코어부와 직렬로 접속된 제1 커패시터를 더 포함하고,
상기 전기 이동체는,
상기 2차 코어부의 후단에 병렬로 접속된 제2 커패시터를 더 포함하는 것을 특징으로 하는 에너지 저장 시스템. - 제 19 항에 있어서,
상기 전기 이동체는,
상기 2차 코어부로부터 전달된 전력을 정류하여 배터리에 전달하는 정류부를 더 포함하는 것을 특징으로 하는 에너지 저장 시스템.
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