變頻器的組成
變頻器通常分為4部分：整流單元、高容量電容、逆變器和控制器。
□ 整流單元將工作頻率固定的交流電轉(zhuǎn)換為直流電。
□ 高容量電容存儲(chǔ)轉(zhuǎn)換后的電能。
□ 逆變器由大功率開關(guān)晶體管陣列組成電子開關(guān)，將直流電轉(zhuǎn)化成不同頻率、寬度、幅度的方波。
□ 控制器按設(shè)定的程序工作，控制輸出方波的幅度與脈寬，使疊加為近似正弦波的交流電，驅(qū)動(dòng)交流電動(dòng)機(jī)。
很榮幸為您* 武漢錦博機(jī)電設(shè)備有限公司
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