串(chuan)聯變(bian)頻(pin)(pin)諧振(zhen)成(cheng)套裝(zhuang)(zhuang)置(zhi)廣泛應用(yong)于(yu)電(dian)力、冶金、石油、化工、等行業，適用(yong)于(yu)大容量、高(gao)電(dian)壓的(de)電(dian)容性試品，如發(fa)電(dian)機(ji)、變(bian)壓器(qi)、GIS、高(gao)壓交聯電(dian)纜、互感器(qi)、套管等的(de)交接實驗(yan)(yan)和預(yu)防(fang)性試驗(yan)(yan)。本(ben)公司在(zai)變(bian)頻(pin)(pin)串(chuan)聯諧振(zhen)高(gao)壓試驗(yan)(yan)領域(yu)自主(zhu)研(yan)發(fa)的(de)變(bian)頻(pin)(pin)、調(diao)壓軟(ruan)件技術，優(you)于(yu)國(guo)內高(gao)壓試驗(yan)(yan)行業，利(li)用(yong)這一(yi)技術采用(yong)16位精細變(bian)頻(pin)(pin)、10KHZ載(zai)波頻(pin)(pin)率、SPWM和進口原裝(zhuang)(zhuang)IPM整體模塊設計(ji)、制造的(de)變(bian)頻(pin)(pin)串(chuan)并聯諧振(zhen)成(cheng)套試驗(yan)(yan)裝(zhuang)(zhuang)置(zhi)，*符合國(guo)家有關高(gao)壓實驗(yan)(yan)的(de)規(gui)程和要求。

　　串聯變頻(pin)諧(xie)(xie)(xie)振(zhen)(zhen)成(cheng)套裝置運用串并聯諧(xie)(xie)(xie)振(zhen)(zhen)的(de)(de)原理，通過(guo)調(diao)節變頻(pin)控(kong)制器的(de)(de)輸出(chu)頻(pin)率(lv)，使(shi)得回路中(zhong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)抗(kang)器的(de)(de)電(dian)(dian)(dian)(dian)(dian)感L和試品(pin)電(dian)(dian)(dian)(dian)(dian)容(rong)C發生諧(xie)(xie)(xie)振(zhen)(zhen)，諧(xie)(xie)(xie)振(zhen)(zhen)電(dian)(dian)(dian)(dian)(dian)壓(ya)即(ji)為試品(pin)上所(suo)加電(dian)(dian)(dian)(dian)(dian)壓(ya)。通過(guo)調(diao)頻(pin)控(kong)制器提供供電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)源(yuan)，試驗電(dian)(dian)(dian)(dian)(dian)壓(ya)由勵磁(ci)變壓(ya)器經過(guo)初步升壓(ya)后，使(shi)高(gao)電(dian)(dian)(dian)(dian)(dian)壓(ya)加在電(dian)(dian)(dian)(dian)(dian)抗(kang)器L和被(bei)試品(pin)CX上，通過(guo)改變調(diao)頻(pin)控(kong)制器的(de)(de)輸出(chu)頻(pin)率(lv)，使(shi)回路處于(yu)串聯諧(xie)(xie)(xie)振(zhen)(zhen)狀態；回路的(de)(de)諧(xie)(xie)(xie)振(zhen)(zhen)頻(pin)率(lv)取決于(yu)被(bei)試品(pin)電(dian)(dian)(dian)(dian)(dian)容(rong)CX和電(dian)(dian)(dian)(dian)(dian)抗(kang)器的(de)(de)電(dian)(dian)(dian)(dian)(dian)感L，調(diao)節變頻(pin)控(kong)制器的(de)(de)輸出(chu)電(dian)(dian)(dian)(dian)(dian)壓(ya)，使(shi)試品(pin)上高(gao)壓(ya)達到所(suo)需要的(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)值(zhi)。

　　串聯(lian)變頻諧振成套(tao)裝(zhuang)置功能特點說(shuo)明：

　　1、串(chuan)聯變頻(pin)諧振(zhen)成套(tao)裝置耐壓(ya)(ya)時(shi)自(zi)動(dong)跟(gen)蹤電壓(ya)(ya)，電壓(ya)(ya)正常(chang)(chang)波(bo)(bo)動(dong)時(shi)自(zi)動(dong)調整電壓(ya)(ya)到目標(biao)電壓(ya)(ya)，異常(chang)(chang)波(bo)(bo)動(dong)時(shi)提示用戶(hu)電壓(ya)(ya)異常(chang)(chang)波(bo)(bo)動(dong)，由用戶(hu)根據試驗(yan)情況進行操作。

　　2、強大的(de)保(bao)護(hu)(hu)功能：過(guo)流保(bao)護(hu)(hu)，過(guo)壓(ya)保(bao)護(hu)(hu)和閃絡保(bao)護(hu)(hu)，過(guo)熱(re)保(bao)護(hu)(hu)，高壓(ya)異(yi)常保(bao)護(hu)(hu)，軟/硬件同時(shi)保(bao)護(hu)(hu)，保(bao)護(hu)(hu)響應時(shi)間(jian)不大于5微秒，確保(bao)安(an)全(quan)。

　　3、自動掃(sao)(sao)頻(pin)(pin)，尋找諧(xie)振點.頻(pin)(pin)率范圍(wei)30-300Hz,可(ke)設置掃(sao)(sao)頻(pin)(pin)范圍(wei)，掃(sao)(sao)頻(pin)(pin)zui大耗時40秒鐘(zhong)(全(quan)頻(pin)(pin)掃(sao)(sao))， 頻(pin)(pin)率分辨率0.01Hz。

　　4、自動(dong)試驗，用戶可設置(zhi)試驗程序，試驗程序分為5段，系統自動(dong)按設置(zhi)的程序完成試驗過(guo)程。也可自動(dong)掃頻，手動(dong)升壓，推薦使用此功(gong)能。

　　5、波形(xing)為(wei)脈寬電(dian)壓調節的方波。內部由ARM控制，操作簡單(dan)。

　　串聯變(bian)頻(pin)諧振(zhen)成(cheng)套裝(zhuang)置采用(yong)220V單相電(dian)源或380V單相電(dian)源，方(fang)便現場(chang)取電(dian)，電(dian)抗器部分采用(yong)干(gan)式(shi)環氧澆注，美觀可(ke)靠，適合各類(lei)電(dian)纜(lan)的要(yao)求，500kV及其以下電(dian)壓(ya)等級的電(dian)纜(lan)使用(yong)數(shu)量(liang)(liang)多，試(shi)驗(yan)工作量(liang)(liang)大，所以此類(lei)耐壓(ya)試(shi)驗(yan)裝(zhuang)置體積小(xiao)(xiao)，重量(liang)(liang)輕，該設備采用(yong)了的SPWM數(shu)字式(shi)波(bo)形發生芯片(pian)，頻(pin)率(lv)(lv)分辨率(lv)(lv)16位，在(zai)20~300Hz時頻(pin)率(lv)(lv)細度可(ke)達0.1Hz；采用(yong)了正交(jiao)非同步(bu)固定(ding)(ding)式(shi)載波(bo)調制方(fang)式(shi)，確保在(zai)整個頻(pin)率(lv)(lv)區(qu)間內輸出波(bo)形良(liang)好；功(gong)率(lv)(lv)部分采用(yong)了*的IPM模塊，在(zai)zui小(xiao)(xiao)重量(liang)(liang)下確保儀器穩定(ding)(ding)和安全。