型 號: | |
更新時間: | 2017-05-04 |
報 價: | 10000 |
理想的(de)電(dian)(dian)(dian)(dian)(dian)力系統向用(yong)戶(hu)提供(gong)的(de)應(ying)該是一個恒定工頻的(de)正弦波形電(dian)(dian)(dian)(dian)(dian)壓,而(er)隨著電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)子(zi)技術的(de)發展,直流(liu)(liu)輸(shu)電(dian)(dian)(dian)(dian)(dian)、大功率單相整流(liu)(liu)技術在工業部門和(he)用(yong)電(dian)(dian)(dian)(dian)(dian)設備上被廣(guang)泛應(ying)用(yong),這些典型非(fei)線(xian)性負荷(he)將從電(dian)(dian)(dian)(dian)(dian)網吸入或注入諧波電(dian)(dian)(dian)(dian)(dian)流(liu)(liu),從而(er)引(yin)起電(dian)(dian)(dian)(dian)(dian)網電(dian)(dian)(dian)(dian)(dian)壓畸變,使電(dian)(dian)(dian)(dian)(dian)網波形受到污染,供(gong)電(dian)(dian)(dian)(dian)(dian)質(zhi)量惡化,附加損失增加,傳輸(shu)能力下(xia)降,成為(wei)影響(xiang)電(dian)(dian)(dian)(dian)(dian)能質(zhi)量的(de)重要因素。為(wei)此我公司經(jing)過(guo)多年(nian)經(jing)驗積累研制了電(dian)(dian)(dian)(dian)(dian)能質(zhi)量監(jian)測(ce)裝置(zhi),為(wei)用(yong)戶(hu)提供(gong)準確可靠的(de)電(dian)(dian)(dian)(dian)(dian)能質(zhi)量監(jian)測(ce)數據(ju)。 KN
功能及特點
1) 三相(xiang)基(ji)(ji)波(bo)電壓、電流(liu)有效值,基(ji)(ji)波(bo)功率(lv)、功率(lv)因數、相(xiang)位等;
2) 電壓(ya)偏差;
3) 頻(pin)率偏差;
4) 三相電壓不平衡度(du)(du)、三相電流(liu)不平衡度(du)(du);
5) 諧(xie)波(2~50次)。包括電壓、電流的(de)總諧(xie)波畸變率(lv)、各次諧(xie)波含(han)有(you)率(lv);
6) 間諧(xie)波;
7) 電壓波(bo)動、閃變;
8) 電壓(ya)驟(zou)升(sheng)、驟(zou)降、短時中斷(具有暫態(tai)事件錄(lu)波(bo)功能);
9) 網口及(ji)USB通訊;
技術參數
1) 電壓、電流(liu):0.2%;
2) 功(gong)率、功(gong)率因數:0.5%;
3) 頻率偏差:0.01Hz;
4) 電壓偏差:0.2%;
5) 三(san)相(xiang)電壓不平衡:0.2%;
6) 三相電流不平衡(heng):0.5%;
7) 諧(xie)波(bo):符合GB/T 14549-1993 中附錄D 中的B 級要求;
8) 間諧波:參照/T 14549-1993 附錄(lu)D 中(zhong)對(dui)諧波要求(qiu)的B 級;
9) 閃變(bian):5%;
10)電(dian)壓波動:5%。