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</font><strong>傳真:</strong> 010-64738090</li> </ul></p> </div> </div> <div id="ld7nhb9" class="bright"> <div id="x9h7zf1" class="place">當(dāng)前位置：<a href="/">首頁(yè)</a> >> <strong>變頻器部件</strong></div> <div id="7lhbh91" class="alist"> <h2 class="title">變頻器的直流制動(dòng)功能</h2> <div id="b7b9hvh" class="acontent"> <strong><span style="font-family: Calibri; font-size: 14px;"><a href="http://www.zglcfn.cn/product/BIANPINQI/"> 變頻器</a></span></strong><span style="font-family: Calibri; font-size: 14px;">的</span><span style="font-family: 宋體; font-size: 10.5pt;">直流制動(dòng)是不是為了快速的停產(chǎn)，類(lèi)似于剎車(chē)功能？</span> <p class="MsoNormal"> </p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><font face="宋體">一般在什么情況下使用直流制動(dòng)，頻繁啟停的場(chǎng)合是不是不適合直流制動(dòng)？將斜坡時(shí)間改為</font>0<font face="宋體">，不是也可以快速制動(dòng)嗎？</font></span><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"> </span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><font face="宋體">直流制動(dòng)的優(yōu)缺點(diǎn)是什么？</font></span><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"> </span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><font face="宋體">這是傳動(dòng)專(zhuān)業(yè)最基本的問(wèn)題。有些同行，不考慮動(dòng)力學(xué)的基本要素，就想象自己的控制加減速是任意的。這可能嗎？任何一個(gè)物體，由于它的自身質(zhì)量的存在，在運(yùn)動(dòng)中就有慣性存在。這是牛頓定理決定的。</font></span><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"> </span><br /> <span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><font face="宋體">所以，對(duì)于一個(gè)傳動(dòng)系，它的軸系質(zhì)量和加速度決定自身慣性轉(zhuǎn)矩（也叫動(dòng)態(tài)轉(zhuǎn)矩）的大小。</font>0.1s<font face="宋體">的減速時(shí)間，首先要通過(guò)它的初速度和末速度的值，計(jì)算此時(shí)的減速度。然后再根據(jù)這個(gè)傳動(dòng)系的質(zhì)量，計(jì)算出它的動(dòng)態(tài)制動(dòng)力矩。再去比較電機(jī)的額定轉(zhuǎn)矩。如果算出來(lái)的制動(dòng)轉(zhuǎn)矩比電機(jī)的額定轉(zhuǎn)矩大，就不可能實(shí)現(xiàn)</font><font face="Calibri">0.1s</font><font face="宋體">的減速時(shí)間了。</font></span><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"> </span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <img src="/data/attachment/2020/0106/20200106092415346.png" alt="" /></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"> </span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><font face="宋體">由此，任何加減速時(shí)間都要先計(jì)算電機(jī)自身的能力是多大，再根據(jù)系統(tǒng)的質(zhì)量和加速度計(jì)算出這個(gè)傳動(dòng)系統(tǒng)的極限加減速時(shí)間。</font></span><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p></div> </div> </div> <div id="pxx79dl" class="spaces"></div> </div> </div> </div> <script language="JavaScript" src="count.php?contentid=4414"></script> ? <div id="vdfh99b" class="flink"> 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