//www.300mbfims.com/tag/%E9%A2%91%E7%8E%87%E7%89%B9%E6%80%A7 zh-hans //www.300mbfims.com/content/2023/100577113.html <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: * field--body--article.tpl.php * field--article.tpl.php * field--body.tpl.php * field--text-with-summary.tpl.php x field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <div class="field field-name-body field-type-text-with-summary field-label-hidden"> <div class="field-items"> <div class="field-item even"><p>基本来讲@@，电容器@@能够存储电荷和更容易地通过较高频率的交流电流@@，这是电容器@@的@@两个最明显的特性@@。然而@@，在非常高的频率下@@，电容器@@的@@寄生参数如串联电阻和电感会对电容器@@的@@理想性能产生极大的影响@@。</p> <p>理想电容器@@的@@数学描述是@@：随着频率的增加@@，阻抗@@|Z|趋近于零@@。实际测试则显示@@，阻抗@@的频率边界与具体应用和@@188足彩外围@@app 本身有关@@。在该边界处@@，电容器@@的@@等效串联电感@@ (ESL) 会与自身形成@@LC谐振回路@@，这就是所谓的自谐振频率@@(SRF)。在自谐振频率范围内@@，电容器@@会发挥应有的功用@@；超过这个频率@@，电容器@@就开始像电感器一样工作@@，从而阻碍交流电流@@。<br /> </p><center><img src="https://cdn.eetrend.com/files/2023-12/wen_zhang_/100577113-329469-tu1dianrongqizukangzzaidadaozixiezhenpinludaiqianhoudebiaoxian.png" alt="" /></center> <p align="center"><strong>图@@ 1. 电容器@@阻抗@@@@|Z|在达到自谐振频率带前后的表现@@</strong></p> <p>值得注意的是@@，电容器@@的@@Q因子通常在自谐振频率处达到最小值@@，这一点至关重要@@。Q因子的定义是电容器@@的@@电抗与其等效串联电阻@@ (ESR) 之比@@，是衡量效率的一个标准@@，尤其是在能量损耗方面@@。为获得最佳性能@@，操作应保持在此频率以下@@。</p> <p>本文转载自@@：<span id="profileBt"><a href="https://mp.weixin.qq.com/s/n7PxAcveJDWziOnHR6u4gw">Knowles楼氏电容@@</a></span></p> </div> </div> </div> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: x field--field-keywords--article.tpl.php * field--article.tpl.php * field--field-keywords.tpl.php * field--taxonomy-term-reference.tpl.php * field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <ul class="list-inline"> <li> <a href="/tag/电容器@@"><span class='glyphicon glyphicon-tag'></span> 电容器@@</a> </li> <li> <a href="/tag/频率特性@@"><span class='glyphicon glyphicon-tag'></span> 频率特性@@</a> </li> <li> <a href="/tag/楼氏电容@@"><span class='glyphicon glyphicon-tag'></span> 楼氏电容@@</a> </li> </ul> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> Mon, 25 Dec 2023 07:19:25 +0000 judy 100577113 at //www.300mbfims.com //www.300mbfims.com/content/2023/100577113.html#comments