本公司供应全新罗克韦尔1398-DDM-150伺服驱动器ALLEN BRADLEY,价格优惠,快速交货,
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:娄底2098-DSD-075X罗克韦尔伺服驱动器怎么样
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:娄底2098-DSD-075X罗克韦尔伺服驱动器怎么样1图是漏电开关的零序电流互感器铁芯,可以看到火线和零线同时穿过铁芯。2图中的T是变压器,变压器有两个原边绕组,一个副边绕组。其中两个原边绕组线圈的缠绕方向一致,圈数也相等。当原边绕组1中流过电流I1时,按右手螺旋定则判断出变压器铁芯中的磁力线方向。请,2图中变压器T的原边绕组1和原边绕组2的电流方向是相反的,按右手螺旋定则,如果电流I1与I2大小相等方向相反,则变压器铁芯中没有磁力线,副边绕组当然也不会出现感应电流和感应电压。