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class="c_l"> <div class="warp"> <h2>¼›Õd¿ƒé£Žæœºèµ„æ–™<br><span>Centrifugal fan</span></h2> </div> <dl class="left_nav"> <dt class="currclass"><a href="/html/list_1606.html">风机知识</a></dt> <dt><a href="/html/list_1607.html">风机资讯</a></dt> </dl> <ul class="list_left_btn"> <li><a href="http://www.razavi-canning.com/html/list_1600.html"><img src="/images/btn_products.jpg" alt="产品中心"></a></li> <li><a href="http://www.razavi-canning.com/html/list_1605.html"><img src="/images/btn_contact.jpg" alt="联系我们"></a></li> </ul> </div> <div class="c_r"> <div class="pos2"> <p>您当前位¾|®ï¼š<a href="/" target="_blank">周口市通用鼓风机有限公å?/a> >> <a href="/html/list_1601.html" target="_blank">新闻资讯</a> >> <a href="/html/list_1606.html" target="_blank">风机知识</a> >> ‹¹è§ˆç›¸å…³èµ„讯</p> </div> <h1 class="dis_title">变频¼›Õd¿ƒé¼“风æœø™Š‚能原ç?/h1> <div class="dis_time"><span>来源:周口市通用鼓风机有限公å?</span><span>发布日期:2021òq?9æœ?8æ—? </span><span>点击敎ͼš<Script Language="Javascript" 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16px;">当今的大多数风扇套äšg都由异步甉|œºç›´æŽ¥é©±åŠ¨åQŒä»¥å®žçŽ°é£Žæ‰‡èŠ‚能。这¿Uæ–¹æ³•å­˜åœ¨ä¸€äº›ç¼ºé™·å’Œé—®é¢˜åQŒå¦‚甉|°”保护ç‰ÒŽ€§å·®ã€å¯åŠ¨ç”µ‹¹è¿‡å¤§ã€æœºæ¢°å†²å‡È­‰ã€‚当甉|œºè´Ÿè²˜q‡å¤§æ—Óž¼Œä¼šå¯¹è®‘Ö¤‡çš„寿命äñ”生一定的影响åQŒé™ä½Žè®¾å¤‡çš„寿命。同时也会造成一些机械故障,往往会造成烧伤½{‰ä¸¥é‡æ•…障。åƈ燃烧发动机ã€?/span></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <span style="font-size: 16px;">风机变频器是çŽîC»£½C¾ä¼šçš„一¿Uæ–°åž‹èŠ‚能äñ”品。通过变速调节,在风æœø™¿è¡Œæ›²¾U¿ä¸å˜çš„情况下,改变风机的性能曲线åQŒè¿›è€Œæ”¹å˜é£Žæœºçš„˜qè¡Œç‚V€‚扇子。调节风机变频调速具有操作简单、控制精度高、性能好、免¾l´æŠ¤½{‰è¯¸å¤šä¼˜ç‚V€‚在其他条äšg不变的情况下åQŒæ”¹å˜æ„Ÿåº”电机定子的输入甉|ºé¢‘率åQŒè¿›è€Œæ”¹å˜ç”µæœø™{速是风机变频调速技术的基本工作原理ã€?/span></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <span style="font-size: 16px;">甉|œºé€Ÿåº¦ä¸Žè¾“入频率成正比åQšn = 60 åQˆfsåQ?/ p。式中n代表转速,f代表输入频率åQŒs代表甉|œºè½¬å·®çŽ‡ï¼Œp代表偶数甉|œº¼‚æžæ•°ã€‚控制出风挡板,当开度减ž®æ—¶åQŒé£Žé˜ÖM¼šå¢žåŠ åQŒä¸é€‚合在大风量范围内调节。进气导‹¹æ¿çš„控制比˜q›æ°”导流板的控制范围更广。孔径较ž®æ—¶åQŒèáu功率基本上与风量成正比减ž®ï¼Œä½†å°šä¸èƒ½ä¸Žå˜é¢‘调速相比ã€?/span></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <span style="font-size: 16px;">一般认为,风机在额定风量下˜qè¡Œæ—Óž¼Œé£Žé‡ä¸èƒ½æ»¡èƒö设计要求。如果采用节‹¹æŽ§åˆ¶è¿›è¡Œè°ƒèŠ‚,可以通过减小调节器的开度来改变½Ž¡ç½‘的阻力。ä‹É½Ž¡ç½‘的特性曲¾U‰K™¡å³­ï¼Œå¯ÆD‡´å·¥ä½œç‚ÒŽµé‡ä¸‹é™ã€‚这会增加空气量åQ›å¦‚果采用全开挡板速度控制方式åQŒç®¡¾|‘阻力将保持不变。同样风量,要降低风扇è{速,降低风压ã€?/span></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <span style="font-size: 16px;">更多</span><a href="/" style="font-size: 16px;">鼓风æœ?/a><span style="font-size: 16px;">产品知识误‚®¿é—®ï¼š</span><a href="/" style="font-size: 16px;">www.razavi-canning.com</a><span style="font-size: 16px;">   é˜‰K‡Œå·´å·´æ—ºé“ºåQ?/span><a style="font-size: 16px;">https://tygfj.1688.com</a><span style="font-size: 16px;"> æ‰‹æœºåQ?5539485098  15539456606  ç”µè¯åQ?394-8520911   8204228   è”系人:刘经ç?/span></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <span style="font-size: 16px;">相关阅读åQ?/span></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <a href="/html/fjzs_1606_2901.html" style="font-size: 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