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變頻器和變換器作用一樣嗎?

發表時間:2021-03-29 16:46【 閱讀量:-查看手機網址
掃一掃!變頻器和變換器作用一樣嗎?掃一掃!

不是一個概念,變頻器屬于電氣設備,變換器屬于儀表設備,變頻器就是把電的頻內率變化,所以叫變頻,這是容相對于工頻50HZ來說的,變換器也叫變送器,是把光,電,壓力,流量,溫度等信號變成計算機可識別的電信號,比如把溫度變成4-20MA的電流信號。


變換器就是接入市電以后,可以調節其輸出電壓,也起到穩壓的作用。逆變雙就內是把直容流電源轉換成交流電源。變換器,是將信源發出的信息按一定的目的進行變換。矩陣式變換器是一種新型的交-交電源變換器。和傳統的變換器相比,它具有如下優點:不需要中間直流儲能環節;能夠四象限運行;具有優良的輸入電流波形和輸出電壓波形;可自由控制的功率因數。矩陣式變換器已成為電力電子技術研究的熱點之一,并有著廣泛的應用前景。


逆變器是把直流電能(電池、蓄電瓶)轉變成交流電(一般為220V,50Hz正弦波)。它由逆變橋、控制邏輯和濾波電路組成。廣泛適用于空調、家庭影院、電動砂輪、電動工具、縫紉機、DVD、VCD、電腦、電視、洗衣機、抽油煙機、冰箱,錄像機、按摩器、風扇、照明等。在國外因汽車的普及率較高外出工作或外出旅游即可用逆變器連接蓄電池帶動電器及各種工具工作。

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