电气强度测试仪（固体绝缘材料�?参数-价格-中国粉体罐�/title>

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<p><a><span><strong><span>ZJC-50KV电气强度测试�?/span></strong></span></p><p><a><span><strong><span>标准９�/span></strong></span></p><p><span>GB1408.1-2006《绝缘材料电气强度试验方法《�/span></p><p><span>GB1408.2-2006《绝缘材料电气强度试验方� �?部分：对应用直流电压试验的附加要求《�/span></p><p><span>JJG 795-2004 《耐电压测试仪检定规程《�/span></p><p><span>GB/T1695-2005《硫化橡胶工频击穿电压强度和耐电压的测定方法《�/span></p><p><span>GB/T3333《电缆纸工频击穿电压试验方法《�/span></p><p><span>GB12913-2008《电容器纸《�/span></p><p><span>ASTM D149《固体电绝缘材料工业电源频率下的介电击穿电压和介电强度的试验方法《�/span></p><p><a><span><strong><span>适用材料及定义：</span></strong></span></p><p><span><a><strong>电气强度测试�?/strong>适用于连续均匀升压或逐级升压的方式，对试样施加交流或直流电压直至击穿，测量击穿电压值，计算试样的击穿强度，用迅速升压的方法，将电压升到规定值，保持一定的时间试样不击穿，定此时规定值为试样的耐电压值、�/span></p><p><span><a><strong>电气强度测试�?/strong>主要适用于固体绝缘材料如：电线套管、树脂和胶、浸渍纤维制品、云母及其制品、塑料薄膜、陶瓷、玻璃、绝缘漆、硫化橡胶、电缆纸、绝缘漆漆膜、硬质橡胶、纸板等绝缘介质在空气或液体介质中，测量工频�?8~62Hz）或对应直流电压下击穿强度和耐电压时间、�/span></p><p><a><span><strong><span>主要技术要求：</span></strong></span></p><p><span>1、设备输入电压：220V (普通试验室电源均可兼容)：�/span></p><p><span>2、试验电压方式：ZJC-50KV交流0-50 KV；直�?-50 KV。ZJC-100KV交流0-100KV；直�?-100KV</span></p><p><span>3、电器容量：5KVA�?0KVA</span></p><p><span>4、试验方法：0-50KV�?-100KV全量程可�?采用高精度电压采样器�?：�/span></p><p><span>5、击穿及耐压试验升压速率�?0V/S-5KV/S(此项满足**标准里面极快速升压试验要�?：�/span></p><p><span>6、试验方式：�?直流试验�?、匀速升� 2、阶梯升� 3、耐压试验</span></p><p><span>7、过电流保护装置应有足够灵敏度以保证试样击穿时在0.1S内切断电源、�/span></p><p><span>8、本仪器采用无触点原件匀速调压方弎�/span></p><p><span>09、支持短时间内短路试验要求、�/span></p><p><span>10、电压测量误差：1%、�/span></p><p><span>11、试验电压连续可调：ZJC-50KV�?-50KV。ZJC-100KV�?-100KV</span></p><p><span>12�?span>耐压时间设定９�/span>0-8小时(可通过软件连续设定)、�/span></p><p><span>13、主机尺寸：ZJC-50KV：约800*700*1300。ZJC-100KV：约1800*900*1400（长宽高mm（�/span></p><p><span>14、主机重量：ZJC-50KV�?00KG，ZJC-100KV�?00KG、�/span></p><p><span>15、九级安全防护措施： </span></p><p><span>(1) 超压保护</span></p><p><span>(2)试验过流保护 </span></p><p><span>(3)试验短路保护</span></p><p><span>(4)安全门开启保抣�/span></p><p><span>(5)软件误操作保抣�/span></p><p><span>(6)零电压复位保抣�/span></p><p><span>(7)试验结束放电保护</span></p><p><span>(8)独立保护接地</span></p><p><span>(9)试验完成后电磁放甴�/span></p><p><span>相关标准９�/span></p><p><a><span><strong><span>硫化橡胶工频击穿介电强度和耐电压的测定方法</span></strong></span></p><p><a><span><strong><span>1、应用范図�/span></strong></span></p><p><span>本标准适用于用连续均匀升压或连续升压的方式，对试样施加交流电压直至击穿，测量击穿电压值，计算试样的击穿强度；用迅速升压的方法，将电压升到规定值，保持一定时间试样不击穿，定为此试样的耐电压值、�/span></p><p><span><strong></strong></span></p><p><a><span><strong><span>2、试栶�/span></strong></span></p><p><span>2.1试样尺寸：如�?所示。（mm（�/span></p><p><span>�?</span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>试样</span></p></td><td><p><span>尺寸</span></p></td><td><p><span>厚度</span></p></td><td><p><span>数量</span></p></td></tr><tr><td><p><span>板状</span></p></td><td><p><span>圆形：直�?0��1�?00��1</span></p><p><span>正方形：边长50��1�?00��1</span></p></td><td rowspan="2"><p><span>1.软质胶为1��0.2</span></p><p><span>2.硬质胶为4��0.2</span></p></td><td rowspan="2"><p><span>不少于三�?/span></p></td></tr><tr><td><p><span>管状</span></p></td><td><p><span>长为�?00��1</span></p></td></tr></tbody></table><p><span>2.2试样的其它要求按GB527-76的规定、�/span></p><p><span>2.3试样的处理：将擦净之试样放在温度为23��2℃和相对湿度�?5��5%的条件下处理24小时、�/span></p><p><span>2.4试样的处理有特殊要求时，可按产品标准规定、�/span></p><p><a><span><strong><span>3、试验仪�?/span></strong></span></p><p><span>3.1电极材料：如�?所示、�/span></p><p><span>�?</span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>试样</span></p></td><td><p><span>� � � 斘�/span></p></td></tr><tr><td><p><span>板状</span></p></td><td><p><span>黄铜</span></p></td></tr><tr><td><p><span>管状</span></p></td><td><p><span>内电极：铝箔、铜棒、导电粉�?/span></p><p><span>外电极：铜箔</span></p></td></tr></tbody></table><p><span>3.2电极尺寸：板状试样的上、下电极如图1所示，管状试样电极如图2所示，电极尺寸见表3、�/span></p><p></p><p><span>�?</span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>试样</span></p></td><td><p><span>电极尺寸，mm</span></p></td></tr><tr><td><p><span>板状</span></p></td><td><p><span>D�?5��0.1 H�?5��0.1 r�?.5</span></p></td></tr><tr><td><p><span>管状</span></p></td><td><p><span>L</span><sub><span>1</span></sub><span>�?5 L</span><sub><span>2</span></sub><span>�?0</span></p></td></tr></tbody></table><p><span>3.3试验时要求上、下电极应对准中心、�/span></p><p><span>3.4电极与试样接触时的压力，按产品标准规定、�/span></p><p><span>3.5试验线路基本要求：线路如�?所示、�/span></p><p></p><p><span>3.5.1过电流继电器的动作电流应使高压试验变压器的次级电流小于其额定值、�/span></p><p><span>3.5.2工频电源为频�?0HZ的正弦波，其波形失真率不大于5%、�/span></p><p><span>3.5.3高压变压器的容量应保证次级额定电流不小于0.1A、�/span></p><p><span>3.5.4调压器应能均匀的调节电压，其容量与试验变压器的容量相同、�/span></p><p><span>3.5.5电压测定可在高压侧用不大�?.5级高压静电伏特计，球隙或通过电压互感器来测量，也可以在低压侧用不大于1.5级的伏特计测量。其测量误差�?#177;4%、�/span></p><p><a><span><strong><span>4、试验条仵�/span></strong></span></p><p><span>4.1试验煤质为变压器油（也可按产品标准选用），其击穿电压应不小�?5KV/2.5mm、�/span></p><p><span>4.2试验标准温度�?3��2℃，也可采用27��2℃，相对湿度�?5��5�?</span></p><p><a><span><strong><span>5、试验步骣�/span></strong></span></p><p><span>5.1击穿强度试验</span></p><p><span>5.1.1连续升压：试验电压从零开始，按表4所规定的速度连续匀速上升，直至试样被击穿，读取击穿电压值、�/span></p><p><span>�?</span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>击穿电压值，KV</span></p></td><td><p><span>升压速度，kv/s</span></p></td></tr><tr><td><p><span>�?0</span></p></td><td><p><span>1</span></p></td></tr><tr><td><p><span>�?0</span></p></td><td><p><span>2</span></p></td></tr></tbody></table><p><span>5.1.2逐级升压：按连续升压所测得试样击穿电压值的50%作为起始电压，停�?分钟后如试样未被击穿，则按表5规定的电压值逐级升压，并在两级电压停�?分钟，直至试样被击穿为止。若在升压过程中发生击穿时，应读取一级的电压值。若击穿发生在保持不变的电压级上，则以该级电压作为击穿电压、�/span></p><p><span>�?</span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>击穿电压，KV</span></p></td><td><p><span>5以下</span></p></td><td><p><span>5-25</span></p></td><td><p><span>25-50</span></p></td><td><p><span>50以上</span></p></td></tr><tr><td><p><span>每次升降电压倻�/span></p></td><td><p><span>0.5KV</span></p></td><td><p><span>1KV</span></p></td><td><p><span>2KV</span></p></td><td><p><span>5KV</span></p></td></tr></tbody></table><p><span>5.2耐电压试骋�/span></p><p><span>迅速将电压升高到由产品标准规定的电压值，停留1分钟，观察试样是否击穿。若不击穿，则定此电压为耐电压值、�/span></p><p><a><span><strong><span>6、试验结枛�/span></strong></span></p><p><span>6.1击穿强度（KV/mm）按下公式计算：</span></p><p></p><p><span>6.2试验结果以每组试验结果的中值表示、�/span></p><p><a><span><strong><span>7、试验报呉�/span></strong></span></p><p><span>试验报告包括以下内容９�/span></p><p><span>a.<a><strong>电气强度测试�?/strong>试验结果：�/span></p><p><span>b.<a><strong>电气强度测试�?/strong>试验温度、湿度；</span></p><p><span>c.<a><strong>电气强度测试�?/strong>试样尺寸、�/span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; 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