榮信(xin)興業高壓無(wu)功(gong)(gong)補(bu)償裝(zhuang)置(zhi)(簡(jian)稱RSVG),采(cai)用瞬時無(wu)功(gong)(gong)功(gong)(gong)率理論的(de)(de)無(wu)功(gong)(gong)檢測方(fang)式(shi),以(yi)(yi)功(gong)(gong)率因數(shu)、網側電(dian)(dian)壓作為(wei)控(kong)(kong)(kong)制(zhi)(zhi)目標,動態跟蹤電(dian)(dian)網電(dian)(dian)能(neng)相(xiang)關指(zhi)標的(de)(de)變化(hua),并根據(ju)變化(hua)情況調節(jie)無(wu)功(gong)(gong)輸(shu)(shu)出,實現(xian)(xian)電(dian)(dian)網的(de)(de)高電(dian)(dian)能(neng)質量(liang)(liang)運(yun)行。控(kong)(kong)(kong)制(zhi)(zhi)器(qi)(qi)采(cai)用高速DSP和FPGA,實現(xian)(xian)全數(shu)字化(hua)控(kong)(kong)(kong)制(zhi)(zhi),電(dian)(dian)壓電(dian)(dian)流數(shu)字閉環和載波移相(xiang)技術,信(xin)號采(cai)用光纖(xian)傳輸(shu)(shu),實現(xian)(xian)了高壓隔離,提高了整機(ji)的(de)(de)穩定性和可(ke)靠性。采(cai)用IGBT組(zu)成(cheng)的(de)(de)H橋功(gong)(gong)率模塊鏈作為(wei)逆變主電(dian)(dian)路(lu)的(de)(de)結(jie)構形(xing)式(shi),拓撲(pu)簡(jian)單(dan),性能(neng)可(ke)靠,并輔(fu)助以(yi)(yi)小容量(liang)(liang)儲(chu)能(neng)元件,整機(ji)輸(shu)(shu)出電(dian)(dian)壓由多個(ge)電(dian)(dian)平臺階合成(cheng)階梯(ti)波,經過輸(shu)(shu)出電(dian)(dian)抗濾波后正(zheng)弦(xian)度好。RSVG由于(yu)輸(shu)(shu)出電(dian)(dian)壓電(dian)(dian)平數(shu)多,輸(shu)(shu)出波形(xing)具有更(geng)好的(de)(de)諧波頻譜,因此RSVG可(ke)稱為(wei)“完美(mei)無(wu)諧波變流器(qi)(qi)”。
RAPF是一(yi)種自動跟(gen)蹤電網諧波(bo)(bo)(bo)變(bian)化(hua),具有高度可控性與快速響(xiang)應性的(de)(de)新(xin)型(xing)電力電子裝置。可用(yong)于(yu)動態(tai)抑制諧波(bo)(bo)(bo)、補(bu)(bu)償無功,還能夠對(dui)(dui)大小和頻率都變(bian)化(hua)的(de)(de)諧波(bo)(bo)(bo)以及變(bian)化(hua)的(de)(de)無功進行補(bu)(bu)償。APF克(ke)服了傳統無源濾(lv)波(bo)(bo)(bo)器濾(lv)波(bo)(bo)(bo)效果差、容易(yi)發(fa)生諧振(zhen)和只能補(bu)(bu)償固定次數諧波(bo)(bo)(bo)的(de)(de)缺點,對(dui)(dui)各(ge)種快速瞬變(bian)的(de)(de)沖擊型(xing)負載均(jun)能起到更好的(de)(de)濾(lv)波(bo)(bo)(bo)和補(bu)(bu)償效果。
RAPF是一種自動跟蹤電網諧(xie)波(bo)變化,具有高度可控性與快(kuai)速響應(ying)性的(de)新型(xing)電力電子(zi)裝置。可用于動態(tai)抑制諧(xie)波(bo)、補(bu)(bu)償(chang)無(wu)(wu)功(gong),還能(neng)夠對(dui)大小和(he)(he)頻率都變化的(de)諧(xie)波(bo)以及變化的(de)無(wu)(wu)功(gong)進(jin)行補(bu)(bu)償(chang)。APF克(ke)服了傳統(tong)無(wu)(wu)源(yuan)濾波(bo)器濾波(bo)效(xiao)果差(cha)、容易(yi)發生諧(xie)振和(he)(he)只能(neng)補(bu)(bu)償(chang)固定次數(shu)諧(xie)波(bo)的(de)缺點,對(dui)各種快(kuai)速瞬變的(de)沖擊型(xing)負載均能(neng)起到(dao)更(geng)好的(de)濾波(bo)和(he)(he)補(bu)(bu)償(chang)效(xiao)果。
電(dian)弧(hu)爐(lu)做(zuo)為非線性及無(wu)規律負荷接入電(dian)網(wang),將會對電(dian)網(wang)產生(sheng)一系列(lie)不良(liang)影(ying)響(xiang)。榮(rong)信興(xing)業SVC系統響(xiang)應小于10ms,完全(quan)可以滿(man)足嚴(yan)格(ge)的技術要求,能(neng)夠向電(dian)弧(hu)爐(lu)快速(su)提(ti)供無(wu)功(gong)電(dian)流并且穩(wen)定母線電(dian)網(wang)電(dian)壓,增加冶金有功(gong)功(gong)率(lv)的輸出提(ti)高生(sheng)產效率(lv),并且最大限(xian)度(du)地(di)降低閃(shan)變的影(ying)響(xiang)。
SVC應用于(yu)高(gao)壓(ya)輸(shu)電(dian)(dian)(dian)網,可以明顯提高(gao)電(dian)(dian)(dian)力系統(tong)輸(shu)配(pei)(pei)電(dian)(dian)(dian)性(xing)能(neng)。在電(dian)(dian)(dian)網的(de)一處或多處適合的(de)位置上安(an)(an)裝SVC,可穩(wen)(wen)(wen)定弱系統(tong)電(dian)(dian)(dian)壓(ya)、增加小干擾下的(de)阻(zu)尼、提高(gao)瞬(shun)變穩(wen)(wen)(wen)態極限(xian)、增加傳輸(shu)能(neng)力,使現有電(dian)(dian)(dian)網發揮最(zui)大效率,同時減少傳輸(shu)損耗(hao)。此外,在配(pei)(pei)電(dian)(dian)(dian)網中(zhong)安(an)(an)裝SVC系統(tong)也可有效的(de)改善配(pei)(pei)網電(dian)(dian)(dian)壓(ya)穩(wen)(wen)(wen)定性(xing),大幅減小電(dian)(dian)(dian)壓(ya)波(bo)動。
SVC應用于(yu)高壓輸電(dian)(dian)(dian)(dian)(dian)網,可以明顯(xian)提高電(dian)(dian)(dian)(dian)(dian)力系(xi)統輸配(pei)電(dian)(dian)(dian)(dian)(dian)性(xing)能。在(zai)電(dian)(dian)(dian)(dian)(dian)網的一處(chu)或多處(chu)適合(he)的位置(zhi)上安裝(zhuang)(zhuang)SVC,可穩(wen)定弱系(xi)統電(dian)(dian)(dian)(dian)(dian)壓、增加(jia)小干擾下(xia)的阻尼、提高瞬變穩(wen)態(tai)極限、增加(jia)傳輸能力,使(shi)現(xian)有電(dian)(dian)(dian)(dian)(dian)網發揮最大效率,同(tong)時減少傳輸損耗。此外,在(zai)配(pei)電(dian)(dian)(dian)(dian)(dian)網中安裝(zhuang)(zhuang)SVC系(xi)統也可有效的改(gai)善配(pei)網電(dian)(dian)(dian)(dian)(dian)壓穩(wen)定性(xing),大幅減小電(dian)(dian)(dian)(dian)(dian)壓波(bo)動。
高(gao)(gao)壓串(chuan)補裝置主要用于(yu)提(ti)升(sheng)高(gao)(gao)壓輸電(dian)線路(220kV、500kV、750kV等)的(de)(de)輸送能(neng)力(li)、增(zeng)強傳輸線路的(de)(de)功角(jiao)穩定性。
配網中壓串補(bu)裝(zhuang)置主(zhu)要用(yong)于提升(sheng)長距(ju)離配電(dian)線(xian)路(10kV、35kV、66kV等)的末(mo)端電(dian)壓,改善企業和居民用(yong)電(dian)質量(liang)。
在提升電能質量、優化控制與節能降耗等方面為客戶提供解決方案。
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