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UT240鉗形(xing)諧(xie)波(bo)功(gong)率計
UT240系列(lie)是(shi)一(yi)款集數(shu)字電(dian)(dian)流(liu)表、功(gong)(gong)(gong)率(lv)測(ce)(ce)(ce)量(liang)(liang)(liang)和諧(xie)(xie)波(bo)測(ce)(ce)(ce)量(liang)(liang)(liang)為一(yi)體的(de)數(shu)字三(san)相(xiang)(xiang)鉗形功(gong)(gong)(gong)率(lv)/諧(xie)(xie)波(bo)表，由電(dian)(dian)壓(ya)、電(dian)(dian)流(liu)、功(gong)(gong)(gong)率(lv)、諧(xie)(xie)波(bo)四(si)個通道和微(wei)型單片機(ji)系統(tong)組成(cheng)(cheng)。在供(gong)電(dian)(dian)系統(tong)中存在的(de)除(chu)工頻（50Hz)以(yi)外(wai)的(de)能(neng)(neng)量(liang)(liang)(liang)部分(fen)（諧(xie)(xie)波(bo)），諧(xie)(xie)波(bo)是(shi)由正弦電(dian)(dian)壓(ya)加壓(ya)于非線性負(fu)（如：UPS電(dian)(dian)源、開關電(dian)(dian)源、變(bian)頻器、整流(liu)器、逆變(bian)器等），基(ji)波(bo)電(dian)(dian)流(liu)發生畸變(bian)而產(chan)生。如果諧(xie)(xie)波(bo)過大會對電(dian)(dian)器產(chan)生高頻干擾，可(ke)能(neng)(neng)對設備(bei)造(zao)成(cheng)(cheng)損害甚至燒(shao)毀(hui)。UT240系列(lie)儀表具有三(san)相(xiang)(xiang)總功(gong)(gong)(gong)率(lv)、總諧(xie)(xie)波(bo)失真率(lv)及單次(ci)諧(xie)(xie)波(bo)分(fen)量(liang)(liang)(liang)測(ce)(ce)(ce)量(liang)(liang)(liang)功(gong)(gong)(gong)能(neng)(neng)，支持20次(ci)諧(xie)(xie)波(bo)測(ce)(ce)(ce)量(liang)(liang)(liang)，可(ke)準確(que)測(ce)(ce)(ce)量(liang)(liang)(liang)含20次(ci)諧(xie)(xie)波(bo)的(de)有功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)、無功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)和視(shi)(shi)在功(gong)(gong)(gong)率(lv)。并(bing)具備(bei)USB通訊記錄接口和Windows視(shi)(shi)窗圖形分(fen)析(xi)(xi)軟件。適用于各(ge)類現場(chang)電(dian)(dian)力(li)設備(bei)、供(gong)電(dian)(dian)線路的(de)測(ce)(ce)(ce)量(liang)(liang)(liang)和檢(jian)修以(yi)及對電(dian)(dian)網電(dian)(dian)能(neng)(neng)質(zhi)量(liang)(liang)(liang)的(de)評(ping)估，對三(san)相(xiang)(xiang)功(gong)(gong)(gong)率(lv)測(ce)(ce)(ce)量(liang)(liang)(liang)并(bing)需要進行諧(xie)(xie)波(bo)分(fen)析(xi)(xi)的(de)用戶。
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