概述
SF DZ-3I系列電能質量監測儀適用于配電系統,特別適用于安裝環境苛刻的企業配電系統或分布式新能源(光伏、風電)接入點的電能質量監測。裝置采用了全新設計的機械結構,一體化緊湊型設計,可靈活選擇多種安裝方式,以適應苛刻的安裝環境。既可以滿足企業配電系統配電箱內的壁掛式安裝,也可以實現常規的嵌入式安裝的要求。
儀器特點
◆分布式設計,安裝更靈活。
◆在線監測:采用DSP技術并結合FFT計算方法可以保證高精度的在線監測電網中各項參數;
◆顯示:采用5.7寸TFT彩色液晶屏顯示;
◆穩定性:采用多層電路板設計,整體結構合理,抗干擾能力強;
◆通信接口:提供RS232或RS485通訊接口;
儀器功能
基(ji)本監測量 | 頻率、電(dian)壓、電(dian)流有效值,總的有功(gong)(gong)(gong)、無功(gong)(gong)(gong)功(gong)(gong)(gong)率、功(gong)(gong)(gong)率因數 |
基本(ben)監測指標 | 電(dian)(dian)(dian)網頻率(lv)(lv)、電(dian)(dian)(dian)壓(ya)/電(dian)(dian)(dian)流有(you)效值、總(zong)(zong)有(you)功(gong)(gong)(gong)/無功(gong)(gong)(gong)/功(gong)(gong)(gong)率(lv)(lv)因數、三(san)相(xiang)基波(bo)電(dian)(dian)(dian)壓(ya)/電(dian)(dian)(dian)流有(you)效值、基波(bo)電(dian)(dian)(dian)壓(ya)/電(dian)(dian)(dian)流相(xiang)位(wei)、基波(bo)功(gong)(gong)(gong)率(lv)(lv)/功(gong)(gong)(gong)率(lv)(lv)因數、電(dian)(dian)(dian)壓(ya)偏差、頻率(lv)(lv)偏差、三(san)相(xiang)電(dian)(dian)(dian)壓(ya)不(bu)平衡(heng)度、三(san)相(xiang)電(dian)(dian)(dian)流不(bu)平衡(heng)度、負序(xu)分量、諧波(bo)(2-50次)包括電(dian)(dian)(dian)壓(ya)、電(dian)(dian)(dian)流的(de)總(zong)(zong)諧波(bo)畸變率(lv)(lv)、各次諧波(bo)含有(you)率(lv)(lv)、幅值、相(xiang)位(wei)、有(you)功(gong)(gong)(gong)、無功(gong)(gong)(gong)等 |
高級監測指標 | 電壓波(bo)動、閃(shan)變、間(jian)諧波(bo) |
其他(ta)功能 | 參數設置功能 |
技術指標
技術規格(ge) | 參(can)數指標 |
生產廠家 | 保定方長電力技(ji)術有(you)限公司 |
設備(bei)型(xing)號 | SF DZ-3I |
采樣(yang)路數 | 1X3相電壓(ya),1X3相電流 |
電壓測(ce)量范圍(wei) | AC57.7V、100V、220V、380V |
電流測量范圍 | 0.05~5A |
頻率測量范(fan)圍 | 45~55Hz |
電網頻率誤差 | ≤0.01 Hz |
電壓(ya)偏差(cha)誤(wu)差(cha) | ≤0.2% |
電壓變動誤(wu)差 | ≤0.2% |
閃變誤差 | ≤5% |
三(san)相電壓不(bu)平衡(heng)度(du)誤差 | ≤0.2% |
諧波測量誤差 | 符合國標(biao)A級儀器要(yao)求(qiu) |
間諧波測量誤差 | 符合(he)國標A級儀器(qi)要求 |
功率誤(wu)差 | ≤0.5% |
顯 示(shi) 屏 | 5.7寸TFT彩色液晶屏 |
工(gong)作電源 | AC220V±20%頻率 45Hz~55Hz DC110V/220V±20% |
通信(xin)接口;通訊協(xie)議 | 支持RS232/RS485/網口; |
功(gong)耗 | <20W |
工(gong)作(zuo)溫度/濕度 | 工作溫度(du)-20℃~+60℃,濕度(du)5%~95%(非冷凝) |
尺寸(cun) | 1/2 19" 6U背插式機(ji)箱 |
重量 | 約1.5kg |
安裝方式 | 壁掛或嵌入式 |