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<!--子栏目--> <div style="margin:0 20px;"> <div style="font-size:22px; line-height:40px; text-align:center; margin-top:15px;"><strong>直流变频空调的优势</strong></div> <div style="font-size:12px; line-height:40px; text-align:center; border-bottom:dotted 1px #ddd;">本文于<strong>2020年01月19日 18点10分54秒</strong>发表， 本文共有<strong>638</strong>个字， <i>浏览：<strong><script src="/plus/count.php?view=yes&aid=10699&mid=1" type='text/javascript' language="javascript"></script></strong>次</i></div> <div class="neirong"> <div id="MyContent"> <p> 直流变频压缩机效率比交流变频压缩机高10%-30%，噪音低5-10分贝，相对成本也略高。120度和180度是两种不同的直流变频技术。120度就是在任意时刻三相中只有两相导通，一相截止。算法简单易行，但在转矩和转速变化大的时候，效率很低，逐渐被180度方案所取代。</p> <p> 直流变频空调工作原“变频”采用了比较先进的技术，启动时电压较小，可在低电压和低温度条件下启动，这对于某些地区由于电压不稳定或冬天室内温度较低而空调难以启动的情况，有一定的改善作用。由于实现了压缩机的无级变速，它也可以适应更大面积的制冷制热需求。</p> <p> 所谓的“变频空调”是与传统的“定频空调”相比较而产生的概念。众所周知，我国的电网电压为220伏、 50赫兹，在这种条件下工作的空调称之为“定频空调”。由于供电频率不能改变，传统的定频空调的压缩机转速基本不变，依靠其不断地“开、停”压缩机来调整室内温度，其一开一停之间容易造成室温忽冷忽热，并消耗较多电能。而与之相比，“变频空调”变频器改变压缩机供电频率，调节压缩机转速。依靠压缩机转速的快慢达到控制室温的目的，室温波动小、电能消耗少，其舒适度大大提高。而运用变频控制技术的变频空调，可根据环境温度自动选择制热、制冷和除湿运转方式，使居室在短时间内迅速达到所需要的温度并在低转速、低能耗状态下以较小的温差波动，实现了快速、节能和舒适控温效果。</p> <p> 供电频率高，压缩机转速快，空调器制冷（热）量就大；而当供电频率较低时，空调器制冷（热）量就小。这就是所谓“定频”的原理。</p> <p>本文地址：https://www.ktwxx.com/wenda/10699.html</p> <p><strong>TAG标签： <a href='/tag/kongdiao_1_1.html'>空调</a> <a href='/tag/bianpin_8_1.html'>变频</a></strong></p> </div> </div> <div style="text-align:center; background:#f2f2f2; line-height:36px;">【<a href="javascript:history.back(-1)">返回上一页</a>】</div> <div style="margin-top:15px; line-height:24px; "> 上一篇：<a href='https://www.ktwxx.com/wenda/10698.html'>空调跳闸故障分析及维修</a> <br /> 下一篇：<a href='https://www.ktwxx.com/wenda/10700.html'>空调故障判断</a> </div> <br /> <div style="width:400px;float:left;"> <b style="display:block;padding-left:5px;line-height:2.5em;border-bottom:1px dashed #CDCDCD; 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