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id="qmv7ab8uj" class="erji_left_titel"><img src="/template/NEST300017/images/erji_left_3.gif" alt="新闻中心" width="719" height="24" /></div> <div id="qmv7ab8uj" class="JSright_title"> <div id="qmv7ab8uj" class="JSright_title_L"> <span>新闻详细</span> </div> <div id="qmv7ab8uj" class="JSright_title_R">您现在的位置?a href="/">首页</a> > <a href="/news/">新闻信息</a> > 详细内容 </div> </div> <div id="qmv7ab8uj" class="JScpzs_cont"> <!--pages内容--> <div id="qmv7ab8uj" class="detail"> <div id="qmv7ab8uj" class="content"> <h3>【图文】如何实现直流稳定电源的同步输出 直流稳定电源的基础知识</h3> <h6>ȸըشȫ 来源?a href='http://szhxtt.com/news/308.html'>http://szhxtt.com/news/308.html</a></h6> <h6>发布时间?019-03-25</h6> <div class="public" id="zoom"> <p style="line-height:24px;">生活中的很多行业的发展与<b><a href="http://szhxtt.com/" target="_blank" style="font-weight:bold">直流稳定电源</a></b>都是离不开的,有时候一些行业所在的领域都有自己的品牌,今天就特地给大家介绍一?a href="http://szhxtt.com/" target="_blank">石家庄数英仪器有限公?/a><p style="text-indent:2em;"> 要想实现直流稳压电源的输出同步就先要实现同步零压开关,也就是说只有被切除的电网电压对应相电压过零时,备用电网的对应相才被接通,这样以来,电子开关就推广到了50 Hz的市电范围,关于零压开关的问题在后面还要进行讨论,这里是两台发电机分别向两台计算机供电,第三台电机G8备用(空转),当两台电机吼和如运行正常时,指示灯Lz亮,有一台输出电压不正常,比如电压有故障,控制器马上就测量出来了,切断Sll-S18的控制信号而同时给S81-S38加上控制信号进行换机,更换电机后指示灯灭、L81亮,表明G8代替了仔GB代替Gi的情况也如此,并且当S不正常时仍可换接回来.如果电压没有故障,属于正常换机维护,只需扳一下(或按一下)换机扭子开关(或按钮)就可以了.当然,可以把电子开关与接触器联合使用这样可减小体积和功耗,即换机时用电子开关,换接过程完后,将接触器或闸刀合上,以旁蹄电子开关,欲要换机时,先扳断接触器或闸刀,不过利用热管技术散热,其体积比同容量的接触器大不了多少.就这样利用上述的电子开关换接技术,把维修时间MTTR从可靠性公式中剔除了.在某种程度上实现了交流不间断供电的要求,为交流供电系统的故障强度与维修率,但由于在直流与交流系统中都把维修时间MTTR减至零,所以Po也就?了.这样,一个由DOHRS与类UPS构成的供电系统直流,<a href="http://szhxtt.com/zlwddy/" target="_blank">直流稳定电源</a>的同步输出该怎么实现就可有把握地保证计算机在所规定的工作时间内不会因供电系统故障而停机了?/p><p style="text-indent:2em;"> <span style="color:#0020FF;">您可能会喜欢?/span> </p><p style="text-indent:2em;"> 直流稳压电源 又称直流稳压器。它的供电电压大都是交流电压,当交流供电电压的电压或输出负载电阻变化时,稳压器的直接输出电压都能保持稳定?/p><p style="text-indent:2em;">从工作方式上可分为:</p><p style="text-indent:2em;">①可控整流型。用改变晶闸管的导通时间来调整输出电压?/p><p style="text-indent:2em;">②斩波型。输入是不稳定的直流电压,以改变开关电路的通断比得到单向脉动直流,再经滤波后得到稳定直流电压?/p><p style="text-indent:2em;">③变换器型。不稳定直流电压先经逆变器变换成高频交流电,再经变压、整流、滤波后,从所得新的直流输出电压取样,反馈控制逆变器工作频率,达到稳定输出直流电压的目的?/p><p style="text-indent:2em;">目前,直流稳压电源正向小型、高效、数字化发展,越来越多的采用单片机控制开关技术,大大提高了稳压电源的转换效率以及设备的稳定性?/p>以上所介绍的几点就是有关“直流稳定电源的同步输出该怎么实现”的,相信看了本文的介绍后,对这方面也会有自己的一番认识,以后针对直流稳定电源等问题也能很好的解决。在这里,我们推荐您多了解直流稳定电源、石家庄数英仪器有限公司等有关的讯息,希望对您有所帮助?/p> </div> <p><div>上一?<a href="309.html">【分享】直流稳定电源转换器发展 直流稳定电源的介?/a></div> <div>下一?<a href="307.html">【图文】频谱分析仪就选数?知识小百?/a></div> </p> </div> <div id="qmv7ab8uj" class="left"> <div id="qmv7ab8uj" class="function">【相关标签】:<a href='/key.aspx?k=%e7%94%b5%e5%8e%8b'>电压</a>,<a href='/key.aspx?k=%e7%9b%b4%e6%b5%81'>直流</a>,<a href='/key.aspx?k=%e5%bc%80%e5%85%b3'>开?/a>,<a href='/key.aspx?k=%e8%be%93%e5%87%ba'>输出</a>,<a href='/key.aspx?k=%e4%be%9b%e7%94%b5'>供电</a>,</div> </div> <div id="qmv7ab8uj" class="clearit"></div> <div id="qmv7ab8uj" class="commend_tit"> <h2>相关新闻</h2> </div> <div 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