上海大帆DFVF3000变频谐振耐压试验设备

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<\/span><\/span> 上海大帆公司专业生产的DFVF3000变频串联谐振耐压试验装置，是**一代专门用于容性试品交流耐压试验的设备。<\/span> <\/div>该产品技术先进，操作简单，质量可靠，体积小，重量轻，非常方便现场使用，得到了广大用户的高度评价<\/span>。<\/span><\/span> <\/div> <\/span><\/strong> <\/span> <\/div>该设备主要用于以下方面：<\/span><\/strong>
   1<\/span>、<\/span>6kV-500kV<\/span><\/strong>高压交联电缆的交流耐压试验<\/span><\/strong> <\/a><\/span>
    2<\/span>、<\/span>发电机的交流耐压试验<\/span><\/strong> <\/u><\/span> <\/div>    3、<\/span>GIS<\/span><\/strong>和SF6开关的交流耐压试验<\/span><\/strong><\/span> <\/div>    4<\/span>、<\/span>6kV-500kV<\/span><\/strong>变压器的工频耐压试验 <\/span><\/strong><\/span>
    5<\/span>、<\/span>其它电力高压设备如母线，套管，互感器的交流耐压试验。<\/span><\/strong> <\/span> <\/div> <\/span> <\/div><\/span><\/strong> 该成套设备由变频电源、励磁变压器、电抗器、分压器组成。<\/span><\/strong> <\/div>
<\/div> <\/span> <\/div>
原理：<\/span><\/strong> <\/p>
我们已知，在回路频率f＝1/2π√LC时，回路产生谐振，此时试品上的电压是励磁变高压端输出电压的Q倍。Q为系统品质因素，即电压谐振倍数，一般为几十到一百以上。先通过调节变频电源的输出频率使回路发生串联谐振，再在回路谐振的条件下调节变频电源输出电压使试品电压达到试验值。由于回路的谐振，变频电源较小的输出电压就可在试品CX上产生较高的试验电压。<\/span> <\/p>
<\/p><\/span> <\/span> <\/div> 成套设备主要技术特点 <\/strong><\/span>
* <\/span>全国少数通过**权威部门--电力工业电气设备质量检验测试中心（武汉高压研究所)严格的型式试验鉴定，<\/span> <\/div>质量可靠，确保试验人员、被试品和试验设备本身的安全；<\/span>
* 体积小，重量轻，特别适合现场使用；<\/span>
* 符合国标要求:有监测峰值/√2功能，可实时监测试验波形；<\/span>
* 过压,过流,放电,过热及零启动保护全面可靠,动作时间1微秒；<\/span>
* 设备自带微型打印机，可及时打印保存试验数据；<\/span>
* 按**标准抗振和防尘设计，耐长途运输和严酷使用环境；<\/span>
* 一键鼠标式旋钮“傻瓜式”操作，大屏幕液晶显示；<\/span>
* 独有软件校准功能，方便用户校准表计，确保高电压值准确度；<\/span>
* 德国威图设计全铝合金机箱,立卧两用,轻便美观,大大方便现场使用；<\/span>
* 所有主要元器件均由世界知名企业原装进口，包括美国德州仪器，英特尔，德国西门子,施耐德，日本东芝，富士等；<\/span>
* 产品稳定可靠，三年质保；<\/span>
* 信守承诺，服务专业及时，尽最大努力为客户需求服务；<\/span>
* 众多知名企业选用，大量应用于众多**重点工程中，使用现场遍及全国各地，获得用户的一致好评。<\/span> <\/div>?<\/span> <\/div>

<\/p>
部分常用型号和典型配置<\/span><\/b><\/b> <\/p>
  型号解读：DFVF3000-44/22表示，容量44KVA，电压22KV<\/span> <\/span> <\/p>
<\/span>一、电缆交流耐压试验系列<\/span><\/b> <\/span> <\/p>
型<\/span> <\/span>号<\/span><\/span> <\/p><\/td>
可满足的试验项目<\/span><\/span> <\/p><\/td>
设备电抗器配置<\/span><\/span> <\/p><\/td>
备<\/span> <\/span>注<\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-44/22<\/span><\/span> <\/p><\/td>
10kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电<\/span> <\/span>缆<\/span> 1KM<\/span><\/span> <\/p><\/td>}
22kV <\/span>ⅹ<\/span> 1<\/span>台<\/span><\/span> <\/p><\/td>
便携式<\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-132/66<\/span><\/span> <\/p><\/td>
1<\/span>、<\/span>10kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电<\/span> <\/span>缆<\/span> 3KM<\/span>
2<\/span><\/span>、<\/span>35kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电缆<\/span> 1KM<\/span><\/span> <\/p><\/td>}}
22kV <\/span>ⅹ<\/span> 3<\/span>台<\/span><\/span> <\/p><\/td>
便携式<\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-264/52<\/span><\/span> <\/p><\/td>
1<\/span>、<\/span>10kV(300mm<\/span>^{2<\/span><\/sup>)<\/span><\/span>电<\/span> <\/span>缆<\/span> 5KM<\/span>
2<\/span><\/span>、<\/span>35kV(300mm<\/span>^{2<\/span><\/sup>)<\/span><\/span>电<\/span> 2KM<\/span><\/span> <\/p>}}
3<\/span>、<\/span>35kV <\/span>变压器，开关，<\/span><\/span> <\/p>
4<\/span>、<\/span>10kV<\/span>电动机，变压器<\/span><\/span> <\/p>
5<\/span>、<\/span>600MW<\/span>及以下发电机等<\/span><\/span> <\/p><\/td>
22kV <\/span>ⅹ<\/span> 6<\/span>台<\/span><\/span> <\/p><\/td>
便携式<\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-1560/66<\/span><\/span> <\/p><\/td>
110kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电<\/span> <\/span>缆<\/span> 3KM<\/span><\/span> <\/p><\/td>}
130kV <\/span>ⅹ<\/span> 2<\/span>台<\/span><\/span> <\/p><\/td>
非便携式<\/span><\/span> <\/p><\/td><\/tr><\/tbody><\/table>
<\/span><\/b> <\/span><\/b>二、发电机工频耐压试验系列<\/span><\/b> <\/p>
型号<\/span><\/span><\/span> <\/p><\/td>
可满足的试验项目<\/span><\/span><\/span> <\/p><\/td>
设备电抗器配置<\/span><\/span><\/span> <\/p><\/td>
备注<\/span><\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-44/22<\/span> <\/p><\/td>
1<\/span>、<\/span>100MW<\/span>及以下发电机<\/span><\/span><\/span> <\/p>
   <\/span>相电容<\/span>0.1-0.3uF<\/span><\/span><\/span> <\/p>
2<\/span>、<\/span>10kV(300mm<\/span>^{2<\/span><\/sup>)<\/span><\/span>电缆<\/span> 1KM<\/span><\/span> <\/p><\/td>}
22kV ⅹ 1<\/span>台<\/span><\/span><\/span> <\/p><\/td>
便携式<\/span><\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-100/36<\/span> <\/p><\/td>
1<\/span>、<\/span>600MW<\/span>及以下发电机<\/span><\/span><\/span> <\/p>
   <\/span>相电容<\/span>0.1-0.25uF<\/span><\/span><\/span> <\/p>
2<\/span>、<\/span>10kV(300mm<\/span>^{2<\/span><\/sup>)<\/span><\/span>电缆<\/span> 1.5KM<\/span><\/span> <\/p><\/td>}
18kV ⅹ 2<\/span>台<\/span><\/span><\/span> <\/p><\/td>
便携式<\/span><\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-176/<\/span>44<\/span><\/span> <\/p><\/td>
1<\/span>、<\/span>600MW<\/span>及以下发电机<\/span><\/span><\/span> <\/p>
   <\/span>相电容<\/span>0.1-0.3uF<\/span><\/span><\/span> <\/p>
2<\/span>、<\/span>10kV(300mm<\/span>^{2<\/span><\/sup>)<\/span><\/span>电缆<\/span> 3KM<\/span><\/span><\/span> <\/p>}
3<\/span>、<\/span>可兼顾发电机母线，主变等<\/span><\/span> <\/p><\/td>
22kV ⅹ 4<\/span>台<\/span><\/span><\/span> <\/p><\/td>
便携式<\/span><\/span><\/span> <\/p><\/td><\/tr><\/tbody><\/table>
  <\/span><\/b>三、<\/span><\/b>GIS<\/span><\/b>和<\/span><\/b>SF6<\/span><\/b>开关交流耐压试验系列<\/span><\/b> <\/p>
型<\/span> <\/span>号<\/span><\/span> <\/p><\/td>
可满足的试验项目<\/span><\/span> <\/p><\/td>
电抗器配置<\/span><\/span> <\/p><\/td>
备<\/span> <\/span>注<\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-250/200<\/span><\/span> <\/p><\/td>
1<\/span>、<\/span>110kV GIS<\/span>的交流耐压试验<\/span>
2<\/span><\/span>、<\/span>35kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电缆<\/span> 1KM<\/span>
3<\/span><\/span>、<\/span>10kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电<\/span> <\/span>缆<\/span> 3KM<\/span>
4<\/span><\/span>、<\/span>220kV<\/span>以下变压器工频耐压<\/span><\/span> <\/p>}}
5<\/span>、<\/span>110kV<\/span>互感器交流耐压<\/span><\/span> <\/p><\/td>
40kV <\/span>ⅹ<\/span> 5<\/span>台<\/span><\/span> <\/p><\/td>
便携式<\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-100/200<\/span><\/span> <\/p><\/td>
1<\/span>、<\/span>110kV GIS<\/span>的交流耐压试验<\/span><\/span> <\/p>
2<\/span>、<\/span>110kV<\/span>互感器交流耐压<\/span><\/span> <\/p><\/td>
50kV <\/span>ⅹ<\/span> 4<\/span>台<\/span><\/span> <\/p><\/td>
便携式<\/span><\/span> <\/p><\/td><\/tr><\/tbody><\/table>
<\/span>四、变压器，电动机等设备的工频交流耐压试验系列<\/span><\/b> <\/p>
型<\/span> <\/span>号<\/span><\/span> <\/p><\/td>
可满足的试验项目<\/span><\/span> <\/p><\/td>
电抗器配置<\/span><\/span> <\/p><\/td>
备<\/span> <\/span>注<\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-105/84<\/span><\/span> <\/p><\/td>
1<\/span>、<\/span>110kV GIS<\/span>的交流耐压试验<\/span><\/span> <\/p>
2<\/span>、<\/span>35kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电缆<\/span> 1KM<\/span><\/span> <\/p>}
3<\/span>、<\/span>10kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电<\/span> <\/span>缆<\/span> 3KM<\/span>
4<\/span><\/span>、<\/span>220kV<\/span>以下变压器工频耐压<\/span><\/span> <\/p>}
5<\/span>、<\/span>110kV<\/span>互感器交流耐压<\/span><\/span> <\/p><\/td>
28kV <\/span>ⅹ<\/span> 3<\/span>台<\/span><\/span> <\/p><\/td>
便携式<\/span><\/span> <\/p><\/td><\/tr>
DFVF3000-100/<\/span>80<\/span><\/span> <\/p><\/td>
1<\/span>、<\/span>110kV GIS<\/span>的交流耐压试验<\/span><\/span> <\/p>
2<\/span>、<\/span>35kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电缆<\/span> 1KM<\/span><\/span> <\/p>}
3<\/span>、<\/span>10kV<\/span>（<\/span>300mm<\/span>^{2<\/span><\/sup><\/span>）电<\/span> <\/span>缆<\/span> 3KM<\/span>
4<\/span><\/span>、<\/span>220kV<\/span>以下变压器工频耐压<\/span><\/span> <\/p>}
5<\/span>、<\/span>110kV<\/span>互感器交流耐压<\/span><\/span> <\/p><\/td>
40kV <\/span>ⅹ<\/span> 2<\/span>台<\/span><\/span> <\/p><\/td>
便携式<\/span><\/span><\/span> <\/p>
：<\/span><\/strong> <\/p><\/td><\/tr><\/tbody><\/table>
<\/b><\/span><\/span><\/span><\/span>
行业现状<\/span><\/strong><\/span><\/span><\/span> <\/p>

<\/p>
绝缘耐压试验分为<\/span>直流耐压试验<\/span><\/strong>和<\/span>交流耐压试验<\/span><\/strong>两种。过去在进行电缆耐压试验时都采用直流耐压试验。在1980年左右，国外电力部门发现直流耐压试验对橡塑绝缘是无效的且具有危害性。我国在九十年代开始研究和实践交流耐压试验技术。经过20多年的研究和实践，世界各国纷纷采用交流耐压试验代替直流耐压试验。国内外有关标准机构也对于高压电缆的试验方法作出了更改和修订。1997年CIGRI国际大电网工作会议对目前采用的直流耐压试验方法提出疑议，并推荐使用工频及近似工频（30-300HZ）的交流试验方法，在全世界范围内推广应用。我国的华北电力集团，广东，江苏，浙江，福建，安徽等电网已先后颁发《试验规程》，强制规定用交流耐压试验代替直流耐压试验。在我国电网相对发达的省份，交流耐压试验已经成为强制性标准。其它地区的试验规程也在起草和酝酿中。<\/span>交流耐压试验取代传统直流耐压试验已是大势所趋。<\/span><\/strong> <\/p>

<\/strong> <\/p><\/span><\/span><\/span><\/div>

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