KR20170051348A - 연료전지 시스템 및 이의 제어방법 - Google Patents
연료전지 시스템 및 이의 제어방법 Download PDFInfo
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Abstract
Description
도 2 내지 도 6은 다양한 형태의 전류 대 전압 곡선을 나타내는 그래프들이다.
도 7은 본 발명의 일 실시예와 관련된 연료전지 시스템의 구성도이다.
도 8은 전류-전압 곡선 분류를 위한 그래프 이론을 설명하기 위한 개념도이다.
도 9는 운전 제어 규칙을 설명하기 위한 개념도이다.
도 10 내지 도 12는 본 발명과 관련된 연료전지 시스템의 일 제어 상태를 설명하기 위한 그래프들이다.
10: 연료전지 스택
20: 측정부
30: 제어부
40: 메모리부
Claims (15)
- 연료전지 스택;
연료전지 스택의 운전 조건에 따라 결정된 복수 개의 전류-전압 곡선이 저장된 메모리부;
연료전지 스택의 운전 조건을 감지하기 위한 측정부; 및
측정부에서 감지된 연료전지 스택의 운전 조건을 만족시키는 전류-전압 곡선을 호출하고, 호출된 전류-전압 곡선에 따라 연료전지 스택의 성능을 예측하기 위한 제어부를 포함하며,
제어부는 측정부를 통해 수집된 연료전지 스택의 운전 조건에 기초하여 그래프 이론에 따라 유사도가 높은 전류-전압 곡선을 호출하도록 마련된 연료전지 시스템. - 제 1 항에 있어서,
복수 개의 전류-전압 곡선은, 정방향 궤적과 역방향 궤적이 상이한 이력현상을 갖는 곡선을 적어도 하나 포함하는 연료전지 시스템. - 제 1 항에 있어서,
복수 개의 전류-전압 곡선은, 정방향 궤적과 역방향 궤적이 상이한 이력현상을 가지며, 양 궤적이 하나 이상의 교점을 갖는 곡선을 포함하는 연료전지 시스템. - 제 1 항에 있어서,
상기 측정부는, 온도 센서, 압력 센서, 습도 센서 또는 유량 센서 중 적어도 하나를 포함하는 연료전지 시스템. - 제 4 항에 있어서,
제어부는 측정부를 통해 연료전지 스택의 운전 조건을 실시간으로 수집하도록 마련된 연료전지 시스템. - 제 4 항에 있어서,
상기 제어부는, 호출된 전류-전압 곡선에 따라 온도, 압력, 습도 또는 유량 중 적어도 하나를 제어하도록 마련된 연료전지 시스템. - 제 1 항에 있어서,
상기 제어부는, 호출된 전류-전압 곡선에 따라 전류 및 전압을 제어하도록 마련된 연료전지 시스템. - 제 1 항에 있어서,
상기 제어부는, 연료전지 스택의 전류 및 전압 데이터를 측정하도록 마련된 연료전지 시스템. - 제 8 항에 있어서,
상기 제어부는, 측정된 전류 및 전압 데이터와, 수집된 연료전지의 운전조건을 매칭하여 함께 저장하도록 마련된 연료전지 시스템. - 제 1 항에 있어서,
연료전지 스택의 운전 조건은, 반응기체의 유입농도, 반응기체의 압력, 반응기체의 습도 또는 셀 온도 중 적어도 하나인 연료전지 시스템. - 제 1 항에 있어서,
연료전지 스택의 성능은 특정 전압 조전 하에서 생성되는 전류 밀도인 연료전지 시스템. - 제 1 항에 있어서,
제어부는 실시간으로 연료전지 스택의 성능을 감시하도록 마련된 연료전지 시스템. - 제 1 항에 있어서,
제어부는 연료전지 스택의 운전 조건에 따라 전류-전압 곡선을 분류하기 위한 연료전지 스택의 운전 제어 규칙을 생성하고, 생성된 운전 제어 규칙을 평가하도록 마련된 연료전지 시스템. - 제 13 항에 있어서,
제어부는 어느 한 전류-전압 곡선에 기초하여 연료전지 스택의 성능을 예측하는 과정에서, 연료전지 스택의 운전 조건이 변화하면, 운전 제어 규칙을 따라 다른 전류-전압 곡선에 기초하여 연료전지 스택의 성능을 예측하도록 마련된 연료전지 시스템. - 연료전지 스택의 운전 조건에 따라 결정되는 복수 개의 전류-전압 곡선을 저장하는 단계;
연료전지 스택의 운전 조건을 감지하는 단계; 및
감지된 연료전지 스택의 운전 조건을 만족시키는 전류-전압 곡선을 호출하고, 호출된 전류-전압 곡선에 따라 연료전지 스택의 성능을 예측하는 단계를 포함하며,
제어부는 측정부를 통해 수집된 연료전지 스택의 운전 조건에 기초하여 그래프 이론에 따라 유사도가 높은 전류-전압 곡선을 호출하도록 마련된 연료전지 시스템의 제어방법.
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