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分析,該系(xi)列產品嚴格按照(zhao)國(guo)家(jia)頒(ban)布的(de)相(xiang)關(guan)技術標(biao)準(zhun),性能指(zhi)標(biao)達(da)到了IEC61000-4-30A級儀器性能的(de)要求,同(tong)時滿足最新頒(ban)布的(de)電能質量國(guo)家(jia)標(biao)準(zhun)對各(ge)指(zhi)標(biao)測量的(de)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
基本監(jian)測量 | 頻率(lv)、電壓、電流有效(xiao)值,總的有功(gong)(gong)、無功(gong)(gong)功(gong)(gong)率(lv)、功(gong)(gong)率(lv)因數 |
基(ji)本監(jian)測指標 | 電(dian)(dian)(dian)(dian)(dian)網頻(pin)率(lv)(lv)(lv)、電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)/電(dian)(dian)(dian)(dian)(dian)流有效(xiao)值、總有功(gong)/無(wu)功(gong)/功(gong)率(lv)(lv)(lv)因數(shu)、三相(xiang)基波(bo)(bo)(bo)(bo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)/電(dian)(dian)(dian)(dian)(dian)流有效(xiao) 值、基波(bo)(bo)(bo)(bo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)/電(dian)(dian)(dian)(dian)(dian)流相(xiang)位(wei)、基波(bo)(bo)(bo)(bo)功(gong)率(lv)(lv)(lv)/功(gong)率(lv)(lv)(lv)因數(shu)、電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)偏(pian)差、頻(pin)率(lv)(lv)(lv)偏(pian)差、三相(xiang)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)不平(ping)衡度(du)、三相(xiang)電(dian)(dian)(dian)(dian)(dian)流不平(ping)衡度(du)、負序(xu)分量、諧(xie)(xie)(xie)(xie)波(bo)(bo)(bo)(bo)(2-63次)包括(kuo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)、電(dian)(dian)(dian)(dian)(dian)流的總諧(xie)(xie)(xie)(xie)波(bo)(bo)(bo)(bo)畸變率(lv)(lv)(lv)、各次諧(xie)(xie)(xie)(xie)波(bo)(bo)(bo)(bo)含(han)有率(lv)(lv)(lv)、幅值、相(xiang)位(wei)角(jiao)、諧(xie)(xie)(xie)(xie)波(bo)(bo)(bo)(bo)有功(gong)、諧(xie)(xie)(xie)(xie)波(bo)(bo)(bo)(bo)無(wu)功(gong)、諧(xie)(xie)(xie)(xie)波(bo)(bo)(bo)(bo)視在功(gong)率(lv)(lv)(lv)等(deng) |
高級(ji)監測指標 | 電(dian)壓(ya)波(bo)(bo)動(dong)、閃變、間(jian)諧波(bo)(bo)、次諧波(bo)(bo)、電(dian)壓(ya)驟(zou)升、電(dian)壓(ya)驟(zou)降、過(guo)電(dian)壓(ya)、欠電(dian)壓(ya)、短(duan)時中斷。 |
其(qi)他功能 | 參數設置功能 |
技術指標
技(ji)術規格 | 參數(shu)指(zhi)標 |
生產廠家 | 保定方長(chang)電力(li)技(ji)術有限公司(si) |
設備型(xing)號 | SF DZ-3 |
采樣路數 | 1X3相電(dian)壓,1X3相電(dian)流 |
電(dian)壓(ya)測量范圍 | AC10~400V |
電流測量范(fan)圍 | 0.05~5A |
頻(pin)率測量范(fan)圍 | 42.5~60Hz |
電網頻率誤差 | ≤0.002 Hz |
電(dian)壓偏差誤(wu)差 | ≤0.2% |
電壓變動誤差 | ≤0.2% |
閃變(bian)誤差 | ≤5% |
三相(xiang)電(dian)壓不平衡度(du)誤差 | ≤0.2% |
諧波(bo)測(ce)量誤差 | 符(fu)合國標A級儀器要求 |
間諧波測量誤差 | 符合國標(biao)A級儀器要(yao)求 |
功率誤差 | ≤0.5% |
顯 示 屏 | 5.6寸TFT彩(cai)色液晶屏 |
工作(zuo)電源 | AC220V±20%頻率 45Hz~55Hz |
通(tong)信接口;通(tong)訊協議 | 支持(chi)RS232/RS485/網(wang)口; |
功耗 | <20W |
工作溫度(du)/濕(shi)度(du) | 工作溫度-20℃~+60℃,濕度5%~95%(非冷凝) |
尺寸 | 1/2 19" 6U背(bei)插(cha)式(shi)機箱; 19" 4U背(bei)插(cha)式(shi)機箱. |
重量(liang) | 約(yue)2kg |
安裝方式(shi) | 嵌入式 |