?!DOCTYPE html> 建冷库时该如何选择供电pȝQ?- 贵州同万佛_冯备有限公?/title> <meta name="Keywords" content="建冷?/> <link href="/template/twjzl01/css/style.css" rel="stylesheet" type="text/css" /> <script type="text/javascript" src="/template/twjzl01/js/jquery.js"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div class="top"> <div class="w"> <div class="fl top_l">贵州同万佛_冯备有限公ؓ您免Ҏ?a href="http://www.ylwopt.buzz">冷库设计</a>?a href="/supply/">贵州冷库安装</a>?a href="/news/">贵州制冷讑֤安装</a>{相关信息发布和最新资讯,敬请xQ?/div> <div class="fr top_r"><script type="text/javascript" src="http://home.nestcms.com/16171/stat/"></script></div> </div> </div> <div class="head"> <div class="w"> <div class="logo fl"><img src="/uploads/logo/20180918055404.png" alt="贵州同万佛_冯备有限公? /></div> <div class="nav fr"> <ul> <li><a href="/" target="" rel="nofollow" >??/a></li> <li><a href="/about/"target="" rel="nofollow">走近我们</a></li> <li><a href="/news/" target="" rel="nofollow">新闻资讯</a></li> <li><a href="/supply/" target="" rel="nofollow">讑֤展示</a></li> <li><a href="/about/about2.html" target="" rel="nofollow">售后服务</a></li> <li><a href="/about/about3.html" target="" rel="nofollow">适用范围</a></li> <li><a href="/download/" target="" rel="nofollow">仓库车间</a></li> <li><a href="/contact/" target="" rel="nofollow">联系我们</a></li> </ul> </div> </div> </div> <div class="clear"></div> <div class="banc"></div> <div class="main"> <div class="w"> <div class="mian_l fl"> <div class="sort_menu"> <h3>新闻分类</h3> <ul class="sort"> </ul> </div> <div class="sort_menu"> <h3>最新新?/h3> <ul class="news_left"> <li><a href="/news/121.html" title="建冷库时该如何选择供电pȝQ?>建冷库时该如何选择供电p?..</a></li> <li><a href="/news/120.html" title="冷库设计商家介绍大蒜冷库设计的方?>冷库设计商家介绍大蒜冷库...</a></li> <li><a href="/news/119.html" title="贵州冷库设计商家介绍制冷讑֤如何清理Q?>贵州冷库设计商家介绍制冷...</a></li> <li><a href="/news/118.html" title="建冷库商家介l双温冷库有哪些特点Q?>建冷库商家介l双温冷库有...</a></li> <li><a href="/news/117.html" title="冷库设计商家介绍冷库建好后怎么使用Q?>冷库设计商家介绍冷库建好...</a></li> <li><a href="/news/116.html" title="冷库安装厂家介绍冷库安装的方法是什么?">冷库安装厂家介绍冷库安装...</a></li> </ul> </div> <div class="sort_menu"> <h3>联系我们</h3> <div class="call"> <p>企业名称Q贵州同万佳制冷讑֤有限公司</p> <p>联系Q吴先生</p> <p>手机: 18208507663</p> <p>电话: 0851-88613752</p> <p>传真: </p> <p>邮箱: 894559688@qq.com</p> <p>|址: www.ylwopt.buzz</p> <p>地址: 贵阳市经技术开发区王宽收费站旁200c?/p> </div> </div> </div> <div class="main_r fr"> <div class="crumb"> <h4>新闻中心</h4> <div class="site">您的位置Q?a href="/">首页</a> > <a href="/news/">新闻信息</a> > 详细内容</div> </div> <div class="content"> <h1>建冷库时该如何选择供电pȝQ?/h1> <h6>来源Q?a href='http://www.ylwopt.buzz/news/121.html'>http://www.ylwopt.buzz/news/121.html</a>   发布旉Q?019-07-18</h6> <div class="pro_detail"> <p><p> <span style="font-family:SimSun;font-size:16px;">建冷库时该如何选择供电pȝQ随着l济发展Q我们的生活水^在提高,对冷d藏食品的需求量日益加大。而对食品的安全意识及要求的日益加强,也成为食品冷铄系l发展的契机Q作为冷铄l的核心—冷库的正在q速增加。冷库对电能的需求相当可观,我国的能源Ş势却不容乐观Q近q来全国2/3的地区出C同程度的电力紧张。因此降低能耗,节约能源Q实现可持箋发展?/span> </p> <p> <span style="font-family:SimSun;font-size:16px;">  常制冷压~机由制冷工艺确定,有螺杆式机组和活塞式机组。螺杆式压羃机可以实现制冷量的无U调节,相比zd式压~机可以辑ֈ一定的节能功效。目前普遍采用的能量调节方式是滑阀调节Q即在螺杆压~机的机体上Q安装一调节滑阀Q通过滑阀的移动改变压~机阴阳转子的有效工作长度,以达到能量调节的目的Q调节范围一般是10%?00%内的无调节。调节过E中Q功率与输气量在50%以上的负药行时几乎是成正比关系Q但?0%以下Ӟ性能pL则会大幅度下降,其能效比下降显著Q显得经性较差。因此部分负荷下的能效比要低于满负荷时的能效比。这是由于电{速ƈ未改变,造成在滑阀调节q程中,耗电功率较大。通过采用变频器,利用变频器内|的PID调节器,对压~机的吸入口压力q行控制Q之维持不变。吸入口压力与吸入口温度存在一定的对应关系Q采用变频器控制该压力维持恒定不变,则吸入口的温度也l持恒定不变Q进而制冷机对于冷冻负载的变动始终以接q设计条件的高效率进行运行,使制冷压~机始终q行在最佳点Q从而实现节能的目的?/span> </p> <p> <span style="font-family:SimSun;font-size:16px;"> 供配늳l设计是甉|设计的核心部分,供配늳l设计的合理性对甉|讑֤投资、运行及理有直接媄响。电气系l的能耗由配电pȝ损耗和变压器损耗组成,又可分ؓ可变损耗和固定损耗两部分Q变压器的铁损、配늺路及电容器的介质损耗、A表及互感器的铁损{只要接通电源就会生,是固定损耗,其大与电压和频率有养IU占pȝ损耗的10%~20%Q变压器的铜损、配늺路的铜损与负L、电|电压等因素有关Q是可变损耗,U占pȝ损耗的80%~90%。因此,在安全、可靠的前提下供配电pȝ的经性和合理性是整个pȝl济、合理的关键?/span> </p> <p> <span style="font-family:SimSun;font-size:16px;">供电电压{及配变电所位置的选择</span> </p> <p> <span style="font-family:SimSun;font-size:16px;"> 配电pȝ的损耗与甉|电压有直接关p,对于相同长度与截面的配电U\输送功率相同时其线路损耗与电压的^Ҏ反比。因此采用较高配는压深入负荷中心,~短低压供电半径Q即可以减少U\损耗,q可以减电压降Q保证供电质量。因此供는压等U及配变甉|位置的确定应Ҏ供电定w、负荷用情况及当地늽状况Q兼ֈ期投资、运行管理费用等因素l合考虑?/span> </p> <p> <span style="font-family:SimSun;font-size:16px;">合理选择늼</span> </p> <p> <span style="font-family:SimSun;font-size:16px;"> 配电U\的损耗也是不容忽视的。由于配늺路存在电阻,甉|通过时就会生损耗,工E会有上万米的配U,大工E则会更多,其损耗是相当可观的。线路损耗与其负载电和U\电阻有关Q根据我国经目前的发展状况Q即要重视投资控制也要重视运行成本的节约Q二者有机的l一?/span> </p> <p> <span style="font-family:SimSun;font-size:16px;"><img src="http://www.ylwopt.buzz/uploads/news/20190718033305.png" /><br /> </span> </p></p> </div> <div class="tag">相关标签Q?a href='/key.aspx?k=%bd%a8%c0%e4%bf%e2'>建冷?/a>,</div> <div class="pre"><div>下一?<a href="120.html">冷库设计商家介绍大蒜冷库设计的方?/a></div> </div> <div class="news_related"> <div class="xg_tit">相关新闻</div> <ul> <li><a href="/news/121.html" title="建冷库时该如何选择供电pȝQ? 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