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RSVG高壓靜止無功發生器——35kV直掛SVG（水冷戶外）

榮(rong)信(xin)興業高(gao)壓(ya)(ya)(ya)無功(gong)(gong)補償裝置(zhi)（簡稱RSVG），采(cai)用(yong)瞬(shun)時無功(gong)(gong)功(gong)(gong)率理論的無功(gong)(gong)檢測方式，以功(gong)(gong)率因(yin)數(shu)、網側電(dian)(dian)壓(ya)(ya)(ya)作(zuo)為(wei)控(kong)制目標(biao)，動態跟蹤電(dian)(dian)網電(dian)(dian)能(neng)(neng)相關指標(biao)的變化，并根據變化情況調節無功(gong)(gong)輸(shu)(shu)出，實(shi)現電(dian)(dian)網的高(gao)電(dian)(dian)能(neng)(neng)質量運行。控(kong)制器(qi)采(cai)用(yong)高(gao)速DSP和(he)FPGA，實(shi)現全數(shu)字化控(kong)制，電(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)流數(shu)字閉環和(he)載波移(yi)相技術，信(xin)號采(cai)用(yong)光纖傳(chuan)輸(shu)(shu)，實(shi)現了高(gao)壓(ya)(ya)(ya)隔離，提高(gao)了整(zheng)(zheng)機的穩(wen)定(ding)性和(he)可(ke)靠性。采(cai)用(yong)IGBT組成(cheng)的H橋功(gong)(gong)率模塊鏈作(zuo)為(wei)逆變主電(dian)(dian)路的結構(gou)形(xing)式，拓撲(pu)簡單，性能(neng)(neng)可(ke)靠，并輔助以小容量儲能(neng)(neng)元(yuan)件，整(zheng)(zheng)機輸(shu)(shu)出電(dian)(dian)壓(ya)(ya)(ya)由多(duo)個電(dian)(dian)平(ping)臺階合(he)成(cheng)階梯(ti)波，經(jing)過輸(shu)(shu)出電(dian)(dian)抗濾波后正弦度好。RSVG由于(yu)輸(shu)(shu)出電(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)平(ping)數(shu)多(duo)，輸(shu)(shu)出波形(xing)具有更(geng)好的諧波頻(pin)譜，因(yin)此RSVG可(ke)稱為(wei)“完美無諧波變流器(qi)”。

RSVG高壓靜止無功發生器——35kV直掛SVG（水冷戶內）