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(tong)信(xin)接(jie)(jie)口(kou):提供RS232或(huo)RS485通(tong)訊(xun)接(jie)(jie)口(kou);
儀器功能
基本監測量 | 頻率(lv)、電(dian)壓、電(dian)流有效值,總的(de)有功(gong)(gong)、無功(gong)(gong)功(gong)(gong)率(lv)、功(gong)(gong)率(lv)因數 |
基本監測指標 | 電(dian)(dian)(dian)(dian)(dian)(dian)網頻率(lv)(lv)、電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)/電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)有(you)效(xiao)值、總有(you)功/無功/功率(lv)(lv)因數(shu)、三相(xiang)基波電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)/電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)有(you)效(xiao)值、基波電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)/電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)相(xiang)位(wei)、基波功率(lv)(lv)/功率(lv)(lv)因數(shu)、電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)偏差、頻率(lv)(lv)偏差、三相(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)不平(ping)衡度(du)、三相(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)不平(ping)衡度(du)、負序(xu)分量(liang)、諧波(2-50次)包括電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)、電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的總諧波畸變率(lv)(lv)、各次諧波含有(you)率(lv)(lv)、幅值、相(xiang)位(wei)、有(you)功、無功等 |
高級監測指標(biao) | 電壓波動、閃變、間諧波 |
其(qi)他功能(neng) | 參數設置功能 |
技術指標
技術規格 | 參數(shu)指(zhi)標 |
生(sheng)產(chan)廠(chang)家 | 保(bao)定(ding)方長電力技(ji)術(shu)有限公司 |
設備型號 | SF DZ-3I |
采樣路數 | 1X3相(xiang)電壓(ya),1X3相(xiang)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(liang)范圍 | 45~55Hz |
電網頻率誤(wu)差 | ≤0.01 Hz |
電壓偏差誤差 | ≤0.2% |
電壓變(bian)動(dong)誤差(cha) | ≤0.2% |
閃(shan)變(bian)誤差 | ≤5% |
三相電壓不(bu)平衡度誤差 | ≤0.2% |
諧波(bo)測量誤差 | 符合國標(biao)A級儀器(qi)要求 |
間諧波測量誤差 | 符(fu)合(he)國標A級儀(yi)器(qi)要求 |
功率誤差 | ≤0.5% |
顯 示(shi) 屏(ping) | 5.7寸TFT彩色液(ye)晶屏(ping) |
工作電源 | AC220V±20%頻(pin)率 45Hz~55Hz DC110V/220V±20% |
通(tong)信接口;通(tong)訊協議 | 支(zhi)持RS232/RS485/網(wang)口; |
功耗(hao) | <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 | 1/2 19" 6U背插式機(ji)箱 |
重量 | 約1.5kg |
安裝方式(shi) | 壁掛或(huo)嵌入式 |