讯享网<span>隆尧矿用光纤光缆MGTS-12B隆尧即使整个5mV电压全部加在原边，副边也只能产生200×5mV=1V的电压：不能在转换电阻上产生足够的电压。电压变压器只能用作变压器，不能用来检测电流。从另外一个角度来看：虽然输入电源的电压为48V时，但是流过电流互感器电流的大小不是由原边的这个48V电压决定的，而是其他因素决定的。电流互感器是有阻抗限制的电压变压器。 ，我们来看一下电流互感器的误差情况怎么样?在于电流互感器的基本定义上：感应的是电流。<br /> 

FTP超五类屏蔽网线加电源线复合电缆

<span style="font-family:宋体;">执行标准：</span n>&nbsp; </span>JB/T8734-2013</span> 

讯享网<span><span>一、</span></span><span style="font-family:宋体;">产品名称及型号规格</span> 

<span style="font-family:宋体;">产品名称：</span><span>FTP</span><span style="font-family:宋体;">超五类屏蔽网线加电源线复合电缆</span> 

讯享网<span><span>1.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family:宋体;">电缆型号和规格：</span><span>FTP<span>&nbsp; </span>4</span><span style="font-family:宋体;">×</span><span>2</span><span style="font-family:宋体;">×</span><span>0.5+2</span><span style="font-family:宋体;">×</span><span>0.75</span> 

<span><span>二、</span></span><span style="font-family:宋体;">导体材料和结构</span> 

讯享网<span style="font-family:宋体;">超五类屏蔽网线导体采用</span><span>1/0.5mm</span><span style="font-family:宋体;">无氧铜丝偏差±</span><span>0.02mm</span> 

<span style="font-family:宋体;">电源线</span><span><span>&nbsp; </span>2</span><span style="font-family:宋体;">×</span><span>0.75 </span><span style="font-family:宋体;">铜丝采用</span><span>24/0.2</span> 

讯享网<span><span>三、隆尧矿用光纤光缆MGTS-12B隆尧</span></span><span style="font-family:宋体;">绝缘芯线构造及颜色</span> 

<span><span>1.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family:宋体;">绝缘线芯数量：</span><span>8</span><span style="font-family:宋体;">芯（</span><span>4</span><span style="font-family:宋体;">对）</span> 

讯享网<span><span>2.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family:宋体;">颜色：白（蓝）蓝，白（橙）橙，白（绿）绿，白（棕）棕</span> 

<span><span>3.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family:宋体;">绝缘材料：高密度聚乙</span> 

讯享网<span><span>4.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family:宋体;">绝缘外径：</span><span>0.8</span><span style="font-family:宋体;">±</span><span>0.02mm</span> 

<span><span>四、</span></span><span style="font-family:宋体;">屏蔽材料和结构</span> 

讯享网<span><span>1.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family:宋体;">铝箔（麦拉带）屏蔽。</span> 

<span><span>五、</span></span><span style="font-family:宋体;">护套材料及颜色</span> 

讯享网<span><span>2.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family:宋体;">采用灰色（可以根据需要采用任意颜色）阻燃聚氯乙护套。</span> 

<span><span>六、</span></span><span style="font-family:宋体;">成品电缆特性</span> 

讯享网<span><span>1.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family:宋体;">弯曲半径：小于电缆直径的<span>10</span>倍<span></span></span> 

<span></span> 

讯享网<span><span>七、隆尧矿用光纤光缆MGTS-12B隆尧</span></span><span style="font-family:宋体;">测试电压</span> 

<span style="font-family:宋体;">导体间</span><span>DC1.0KV/1min</span> 

讯享网<span>0.75</span><span style="font-family:宋体;">的试验电压</span