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高低压开关柜选购时要注意什么？ - 河南省恒华电力设备有限公?/title>
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<h1>高低压开关柜选购时要注意什么？</h1>
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<span>文章来源?a href='//skopjeair.com/news/479.html'>//skopjeair.com/news/479.html</a></span>
发表时间?023-09-23
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<b><a href="//skopjeair.com/" target="_blank" style="font-weight:bold">河南高低压柜</a></b>厂家表示高压开关柜在选购时要注意?</p>
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1、明确项目定位：高压开关柜是成套的组合产品，虽然目前国内有数百家厂商，但其核心部件主要是进口产品，如果有技术问题，维修更换设备比较麻烦。所以在预算充裕的情况下，尽量选择知名品牌，因为备货丰富，解决问题的效率比较高?br />
2、检验资质：选购前要向生产厂家索取开关柜出厂试验大纲(或要?，一般正规生产厂家都会有的，应该搞清楚主要元器件是否按图纸要求配置并选择了指定品牌，如西门子、施奈德等?br />
3、柜体材料：高压开关柜体积较大，因此柜体材料对价格影响很大，一般情况下，部件支架等都采用进口敷铝锌板，而门板则采用300系列优质钢板?br />
4、整组柜排列：机柜的排列顺序和操作面的位置是制造商考虑在机柜中制作隔板、端子护罩和母线分段支架的正确施工依据?span><a href="//skopjeair.com/hngdyg/" target="_blank">河南高低压柜</a>厂家表示</span>平面布置图应与现场进、出线的实际位置一致，尤其应正确标明柜体操作面的方向，以便高压柜到达现场后能顺利安装。刚开始经常被忽略，当设备到达现场时，发现不符合现场要求，最终导致返工?br />
5、进出线方式：开关柜上的常规进出线基本上有两种连接方式：(1)进出线与电缆室连接，(2)进出线由柜顶的穿墙套管引出，与母线桥连接，然后通过穿墙套管与架空线连接。还有少数用户的电缆架是从机柜顶部引入的，与机柜顶部相连，配有安全网架。订购时，用户提供了系统图和标准方案，但进出线方式不能完全表达清楚。用户应在现场实际安装要求的技术协议中适当说明，现场安装有困难?br />
6、断路器开断容量正确选择?span>河南<a href="//skopjeair.com/supply/301.html" target="_blank">高低压柜</a>厂家表示</span>在一次系统图上，所选断路器表示必须选择断路器的型号、额定工作电压和额定工作电流。如果用户图中没有选择断路器的开断能力，会给厂家的工程设计带来困难。开启容量应根据系统短路参数进行选择，如果制造商不了解系统短路参数，很难做出正确的选择。还有一些用户图纸，没有考虑系统的短路参数，盲目选择高的开合参数，造成不必要的资金浪费。正确选择分断能力，不仅对保证安全运行，而且对降低产品成本非常重要?br />
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