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AC-DC 변환기: 교류를 직류로 변환
저자： ZYG 전원 모듈 Time： 2023-4-13
AC-DC 변환기는 교류(AC)를 직류(DC)로 변환하는 데 사용되는 장치입니다. 많은 전자 장치가 제대로 작동하려면 DC가 필요하기 때문에 이것은 중요합니다. AC를 DC로 변환하는 프로세스에는 몇 가지 기본 단계가 포함됩니다.
첫 번째 단계는 AC 전압을 정류하는 것입니다. 이는 AC 파형의 음수 부분이 반전되어 양수가 됨을 의미합니다. 이것은 전류를 한 방향으로만 흐르게 하는 장치인 정류기를 사용하여 수행됩니다. 정류기에는 반파 정류기와 전파 정류기의 두 가지 유형이 있습니다. 반파 정류기는 AC 파형의 양의 절반 동안만 전류가 흐르도록 하는 반면, 전파 정류기는 양과 음의 절반 동안 전류가 흐르도록 합니다.
다음 단계는 정류된 전압을 필터링하는 것입니다. 이것은 전기 에너지를 저장하고 시간이 지남에 따라 천천히 방출하는 커패시터를 사용하여 수행됩니다. 커패시터는 정류된 전압을 평활화하여 일정한 DC 전압을 생성합니다.
마지막으로 DC 전압을 조절해야 할 수도 있습니다. 정류기와 필터에서 생성되는 전압은 연결된 부하에 따라 달라질 수 있기 때문입니다. 전압 조정은 부하에 관계없이 일정한 출력 전압을 유지하는 장치인 조정기를 사용하여 이루어집니다.
AC-DC 변환기는 컴퓨터용 전원 공급 장치에서 휴대폰용 배터리 충전기에 이르기까지 광범위한 전자 장치에 사용됩니다. 또한 모터 제어 및 조명 제어와 같은 많은 산업 응용 분야에도 사용됩니다.
결론적으로 AC-DC 컨버터는 AC를 DC로 변환하여 전자기기가 정상적으로 동작할 수 있도록 해주는 중요한 장치이다. 이 프로세스에는 AC 전압 정류, 정류된 전압 필터링 및 필요한 경우 DC 전압 조정이 포함됩니다. AC-DC 컨버터는 다양한 애플리케이션에 사용되며 현대 전자 제품에서 중요한 역할을 합니다.
다음: 전력 변환: AC-DC 컨버터
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