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什么是感性負載？

通(tong)常(chang)情(qing)況下，一般把負(fu)載(zai)(zai)帶電(dian)(dian)(dian)感(gan)參數的(de)(de)負(fu)載(zai)(zai)，即符(fu)合電(dian)(dian)(dian)流超(chao)前(qian)電(dian)(dian)(dian)壓特性(xing)的(de)(de)負(fu)載(zai)(zai)，成(cheng)為感(gan)性(xing)負(fu)載(zai)(zai)。通(tong)俗地說，即應用電(dian)(dian)(dian)磁感(gan)應原理(li)制作的(de)(de)大(da)(da)功率(lv)電(dian)(dian)(dian)器(qi)產(chan)品，如電(dian)(dian)(dian)動(dong)機、壓縮機、繼(ji)電(dian)(dian)(dian)器(qi)、日光燈等等。這類產(chan)品在(zai)啟(qi)動(dong)時需(xu)要(yao)一個比維(wei)持(chi)正常(chang)運轉所需(xu)電(dian)(dian)(dian)流大(da)(da)得多（大(da)(da)約在(zai)3-7倍）的(de)(de)啟(qi)動(dong)電(dian)(dian)(dian)流。例如，一臺在(zai)正常(chang)運轉時耗電(dian)(dian)(dian)150瓦左(zuo)右的(de)(de)電(dian)(dian)(dian)冰箱，其啟(qi)動(dong)功率(lv)可高達(da)1000瓦以上。此外，由于(yu)感(gan)性(xing)負(fu)載(zai)(zai)在(zai)接通(tong)電(dian)(dian)(dian)源或者斷開(kai)電(dian)(dian)(dian)源的(de)(de)一瞬(shun)(shun)間，會產(chan)生反電(dian)(dian)(dian)動(dong)勢(shi)電(dian)(dian)(dian)壓，這種電(dian)(dian)(dian)壓的(de)(de)峰(feng)值遠遠大(da)(da)于(yu)車(che)載(zai)(zai)交流供電(dian)(dian)(dian)器(qi)所能(neng)承(cheng)受的(de)(de)電(dian)(dian)(dian)壓值，很容易引(yin)起車(che)用逆變器(qi)的(de)(de)瞬(shun)(shun)時超(chao)載(zai)(zai)，影響逆變器(qi)的(de)(de)使(shi)用壽(shou)命。因此，這類電(dian)(dian)(dian)器(qi)對供電(dian)(dian)(dian)波(bo)形的(de)(de)要(yao)求較高。

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什么是感性負載？

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