產品概述
SF DZ-3電能質量監測儀,可以應用于電力系統各電壓等級變電站和工礦企業供、配電系統的電能質量監測與(yu)分析(xi),該系(xi)列產品嚴格按照國(guo)家頒(ban)布的相關技術標準(zhun)(zhun),性能(neng)指標達到了IEC61000-4-30A級儀器性能(neng)的要求,同時滿足最新頒(ban)布的電(dian)能(neng)質量(liang)國(guo)家標準(zhun)(zhun)對各指標測量(liang)的要求。
產品特點
◆采用高性能嵌入式工業控制板和TI 公司32 位DSP 為核心,數據處理能力和邏輯、控 制能力,核心硬件處于國內先進水平;
◆采用多CPU結構,每個通道獨享一個32位的DSP,保證電能質量數據的實時性和準確;
◆工業級DOM存儲,采用壓縮算法,數據可保存一年以上,實時數據掉電不丟失;
◆采用GPS 同步采樣技術,保證了同一變電站內或不同變電站內監測裝置的同步采樣;
◆數據采樣每個通道獨享一個16 位并行A/D,所有通道完全同步采樣,精度更高、速度更快;
◆采用了硬件鎖相環技術,頻率自動跟蹤,防止了在電力系統頻率變化時對監測指標的影響,防止了頻率"泄漏";
◆采用5.7寸大屏幕彩色液晶屏顯示,用嵌入式操作系統作為軟件平臺,全部軟件采用VC++ 高級語言編程,保證了系統的高可靠性和高移植性;
◆微機保護背插式結構,通道擴充板支持熱插拔,安裝簡潔;
產品功能
基(ji)本監測量(liang) | 頻率、電壓、電流有效值,總的有功(gong)(gong)、無功(gong)(gong)功(gong)(gong)率、功(gong)(gong)率因數 |
基本監測(ce)指標 | 電(dian)(dian)網頻率(lv)、電(dian)(dian)壓(ya)(ya)/電(dian)(dian)流(liu)(liu)有(you)效(xiao)值(zhi)(zhi)、總(zong)(zong)有(you)功(gong)(gong)(gong)/無(wu)功(gong)(gong)(gong)/功(gong)(gong)(gong)率(lv)因數、三相(xiang)基(ji)波(bo)(bo)電(dian)(dian)壓(ya)(ya)/電(dian)(dian)流(liu)(liu)有(you)效(xiao) 值(zhi)(zhi)、基(ji)波(bo)(bo)電(dian)(dian)壓(ya)(ya)/電(dian)(dian)流(liu)(liu)相(xiang)位、基(ji)波(bo)(bo)功(gong)(gong)(gong)率(lv)/功(gong)(gong)(gong)率(lv)因數、電(dian)(dian)壓(ya)(ya)偏(pian)差、頻率(lv)偏(pian)差、三相(xiang)電(dian)(dian)壓(ya)(ya)不平衡度(du)、三相(xiang)電(dian)(dian)流(liu)(liu)不平衡度(du)、負序分(fen)量、諧(xie)(xie)波(bo)(bo)(2-63次)包括電(dian)(dian)壓(ya)(ya)、電(dian)(dian)流(liu)(liu)的總(zong)(zong)諧(xie)(xie)波(bo)(bo)畸變率(lv)、各次諧(xie)(xie)波(bo)(bo)含(han)有(you)率(lv)、幅值(zhi)(zhi)、相(xiang)位角、諧(xie)(xie)波(bo)(bo)有(you)功(gong)(gong)(gong)、諧(xie)(xie)波(bo)(bo)無(wu)功(gong)(gong)(gong)、諧(xie)(xie)波(bo)(bo)視在功(gong)(gong)(gong)率(lv)等 |
高級監測(ce)指標 | 電(dian)(dian)壓(ya)(ya)(ya)波動、閃變(bian)、間諧波、次諧波、電(dian)(dian)壓(ya)(ya)(ya)驟升、電(dian)(dian)壓(ya)(ya)(ya)驟降、過電(dian)(dian)壓(ya)(ya)(ya)、欠電(dian)(dian)壓(ya)(ya)(ya)、短(duan)時(shi)中斷。 |
其他功能 | 參數設置功能 |
技術指標
技(ji)術(shu)規格 | 參(can)數(shu)指標 |
生產廠家 | 保(bao)定方長電力技術有限公(gong)司 |
設備(bei)型號 | SF DZ-3 |
采(cai)樣路數 | 1X3相電壓,1X3相電流 |
電壓測量(liang)范圍 | AC10~400V |
電流測量范圍 | 0.05~5A |
頻率測量范圍(wei) | 42.5~60Hz |
電網頻率誤差 | ≤0.002 Hz |
電壓偏差誤差 | ≤0.2% |
電壓變(bian)動誤差 | ≤0.2% |
閃(shan)變(bian)誤差 | ≤5% |
三(san)相電壓(ya)不平衡度誤差 | ≤0.2% |
諧波測(ce)量誤差 | 符(fu)合(he)國(guo)標A級儀器要(yao)求 |
間諧波測量誤差(cha) | 符(fu)合國標A級儀(yi)器(qi)要求 |
功率誤差 | ≤0.5% |
顯 示 屏 | 5.6寸TFT彩色液晶(jing)屏 |
工(gong)作電源 | AC220V±20%頻率 45Hz~55Hz |
通(tong)信接(jie)口;通(tong)訊協議 | 支持(chi)RS232/RS485/網口; |
功(gong)耗 | <20W |
工(gong)作溫度/濕(shi)度 | 工(gong)作溫(wen)度(du)-20℃~+60℃,濕度(du)5%~95%(非冷凝) |
尺(chi)寸 | 1/2 19" 6U背插式(shi)機箱(xiang); 19" 4U背插式(shi)機箱(xiang). |
重量 | 約2kg |
安裝方式(shi) | 嵌入式(shi) |