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RSVG高壓靜止無功發生器——35kV直掛SVG（水冷戶外）

榮信(xin)興業高壓(ya)無功補償裝(zhuang)置（簡(jian)稱(cheng)RSVG），采用瞬時無功功率理(li)論的(de)(de)(de)(de)(de)無功檢測方式，以功率因數(shu)(shu)、網(wang)側電(dian)(dian)(dian)(dian)(dian)壓(ya)作(zuo)為(wei)控制(zhi)目標(biao)，動(dong)態跟蹤電(dian)(dian)(dian)(dian)(dian)網(wang)電(dian)(dian)(dian)(dian)(dian)能相關(guan)指標(biao)的(de)(de)(de)(de)(de)變化(hua)(hua)，并(bing)根據變化(hua)(hua)情況調節無功輸(shu)(shu)(shu)出，實現(xian)電(dian)(dian)(dian)(dian)(dian)網(wang)的(de)(de)(de)(de)(de)高電(dian)(dian)(dian)(dian)(dian)能質量(liang)運行。控制(zhi)器(qi)采用高速DSP和(he)FPGA，實現(xian)全數(shu)(shu)字(zi)化(hua)(hua)控制(zhi)，電(dian)(dian)(dian)(dian)(dian)壓(ya)電(dian)(dian)(dian)(dian)(dian)流數(shu)(shu)字(zi)閉環和(he)載波(bo)(bo)移相技術，信(xin)號采用光纖傳輸(shu)(shu)(shu)，實現(xian)了高壓(ya)隔離，提高了整(zheng)機的(de)(de)(de)(de)(de)穩定性和(he)可靠(kao)性。采用IGBT組(zu)成的(de)(de)(de)(de)(de)H橋功率模塊鏈作(zuo)為(wei)逆變主電(dian)(dian)(dian)(dian)(dian)路的(de)(de)(de)(de)(de)結構(gou)形式，拓撲簡(jian)單，性能可靠(kao)，并(bing)輔助(zhu)以小容量(liang)儲能元件，整(zheng)機輸(shu)(shu)(shu)出電(dian)(dian)(dian)(dian)(dian)壓(ya)由多個(ge)電(dian)(dian)(dian)(dian)(dian)平臺階合成階梯波(bo)(bo)，經過(guo)輸(shu)(shu)(shu)出電(dian)(dian)(dian)(dian)(dian)抗濾(lv)波(bo)(bo)后正弦度好(hao)。RSVG由于輸(shu)(shu)(shu)出電(dian)(dian)(dian)(dian)(dian)壓(ya)電(dian)(dian)(dian)(dian)(dian)平數(shu)(shu)多，輸(shu)(shu)(shu)出波(bo)(bo)形具有(you)更(geng)好(hao)的(de)(de)(de)(de)(de)諧波(bo)(bo)頻譜，因此RSVG可稱(cheng)為(wei)“完美(mei)無諧波(bo)(bo)變流器(qi)”。

RSVG高壓靜止無功發生器——35kV直掛SVG（水冷戶內）