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			<div class="aboutk_tit">变压器的工作原理</div>
			<div class="right_news_click"> <span class="riqi"> 发布日期： 2025-05-08&nbsp;&nbsp;查看：1030次</span>
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				<h3 class="header-jfw95c auto-hide-last-sibling-br" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); line-height: var(--md-box-samantha-h3-line-height); margin-top: var(--md-box-samantha-h3-margin-top); font-size: var(--md-box-samantha-h3-font-size); overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-bottom: var(--md-box-samantha-h3-margin-bottom) !important; padding-bottom: 0px !important;">工作原理<span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto;"><span class="ref_content_circle container-b9BBA4 short-npI0jf clickable-h8vINy" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); border-radius: 8px; display: inline-block; height: 14px; line-height: 14px; margin: 0px 4px 2px; min-width: 14px; overflow: hidden; padding: 0px; text-overflow: ellipsis; vertical-align: -1px; text-wrap-mode: nowrap; width: 14px; -webkit-line-clamp: 1; background: var(--s-color-bg-trans-tertiary); text-align: center; user-select: none; cursor: pointer; overflow-anchor: auto; color: var(--s-color-text-secondary,rgba(0,0,0,.8)) !important;">1</span></span></h3><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); padding-left: 20px; overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-bottom: var(--md-box-samantha-li-margin) !important; margin-top: var(--md-box-samantha-li-margin) !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">电磁感应原理</span>：变压器利用电磁感应现象，通过交变电流在原绕组中产生交变磁场，使副绕组中产生感应电动势。当副绕组接入负载时，便有电流通过，实现电能的传输。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">理想电压变换关系</span>：在空载运行时，原绕组输入交变电压，副绕组无电流流过，有开路电压。理想情况下，忽略线圈电阻和漏磁电动势，原、副绕组电压之比等于它们的匝数之比，即<span class="container-x_WhZC math-inline" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); display: inline-flex; margin: 0.5em 0px; max-width: 100%; overflow-anchor: auto;">\(U_1/U_2 = N_1/N_2\)</span>，其中<span class="container-x_WhZC math-inline" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); display: inline-flex; margin: 0.5em 0px; max-width: 100%; overflow-anchor: auto;">\(U_1\)</span>、<span class="container-x_WhZC math-inline" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); display: inline-flex; margin: 0.5em 0px; max-width: 100%; overflow-anchor: auto;">\(U_2\)</span>分别为原、副绕组电压，<span class="container-x_WhZC math-inline" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); display: inline-flex; margin: 0.5em 0px; max-width: 100%; overflow-anchor: auto;">\(N_1\)</span>、<span class="container-x_WhZC math-inline" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); display: inline-flex; margin: 0.5em 0px; max-width: 100%; overflow-anchor: auto;">\(N_2\)</span>分别为原、副绕组匝数，该比值称为变压器的变比。当<span class="container-x_WhZC math-inline" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); display: inline-flex; margin: 0.5em 0px; max-width: 100%; overflow-anchor: auto;">\(N_1&gt;N_2\)</span>时，变压器为降压变压器；当<span class="container-x_WhZC math-inline" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); display: inline-flex; margin: 0.5em 0px; max-width: 100%; overflow-anchor: auto;">\(N_1&lt;N_2\)</span>时，变压器为升压变压器。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">理想电流变换关系</span>：当副绕组端接入负载时，根据能量守恒定律，忽略损耗的情况下，变压器输入端功率等于输出端功率，即<span class="container-x_WhZC math-inline" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); display: inline-flex; margin: 0.5em 0px; max-width: 100%; overflow-anchor: auto;">\(U_1I_1 = U_2I_2\)</span>，可得<span class="container-x_WhZC math-inline" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); display: inline-flex; margin: 0.5em 0px; max-width: 100%; overflow-anchor: auto;">\(I_1/I_2 = U_2/U_1 = N_2/N_1\)</span>，即原、副绕组电流之比与它们的匝数成反比，变压器可以实现电流的升降改变。</p></li></ul><h3 class="header-jfw95c auto-hide-last-sibling-br" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); line-height: var(--md-box-samantha-h3-line-height); margin-top: var(--md-box-samantha-h3-margin-top); font-size: var(--md-box-samantha-h3-font-size); overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-bottom: var(--md-box-samantha-h3-margin-bottom) !important; padding-bottom: 0px !important;">基本结构<span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto;"><span class="ref_content_circle container-b9BBA4 short-npI0jf clickable-h8vINy" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); border-radius: 8px; display: inline-block; height: 14px; line-height: 14px; margin: 0px 4px 2px; min-width: 14px; overflow: hidden; padding: 0px; text-overflow: ellipsis; vertical-align: -1px; text-wrap-mode: nowrap; width: 14px; -webkit-line-clamp: 1; background: var(--s-color-bg-trans-tertiary); text-align: center; user-select: none; cursor: pointer; overflow-anchor: auto; color: var(--s-color-text-secondary,rgba(0,0,0,.8)) !important;">1</span></span></h3><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); padding-left: 20px; overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-bottom: var(--md-box-samantha-li-margin) !important; margin-top: var(--md-box-samantha-li-margin) !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">铁芯</span>：是变压器的核心骨架，由铁芯柱和铁轭组成，一般选用高导电率、低比耗的冷轧硅钢板，也可用坡莫型合金、铁氧体等。铁芯叠片形式有条状铁行叠片和渐开线式铁芯等；铁芯柱的截面形状有方形、矩形和梯形等。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">绕组</span>：又称线圈，是变压器传导电流的部分，通常由绝缘的铜或铝导线缠绕而成，一般绕成圆形。根据绕组的形状结构不同，可分为同心型和交叠型。同心式绕组主要有圆筒式、分段式、螺旋式和连续式；交叠式绕组又称饼式绕组，具有绝缘性能好，承重能力强，方便接线等优点。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">其他附件</span></p><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto; margin-top: var(--md-box-samantha-second-level-li-margin) !important; padding-left: 20px !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">油箱</span>：中等容量以上的变压器为增强散热，设计成内部装满油的密封油箱结构，铁芯和绕组等部件浸入其中。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">安全气道</span>：又称防爆管，当变压器内部压力过大时，可将油以及气化产生的气体从安全气道疏导出去，防止油箱因压力异常而损坏。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">气体继电器</span>：是变压器的保护装置，当变压器因高温、压力失衡导致油挥发分解或者产生冲击的油流时，继电器触点起作用，发出报警信号或跳闸。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">分接头与分接开关</span>：分接头用于调节原副绕组匝数比，原绕组一般都有抽头，利用分接开关与不同的分接头相接，可改变原绕组的匝数，从而调节变压器输出电压，分接开关分为有载调压和无载调压两种。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">绝缘套管</span>：主要功能是把高压引线从变压器中引出，用于绝缘保护和固定引线。</p></li></ul></li></ul><h3 class="header-jfw95c auto-hide-last-sibling-br" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); line-height: var(--md-box-samantha-h3-line-height); margin-top: var(--md-box-samantha-h3-margin-top); font-size: var(--md-box-samantha-h3-font-size); overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-bottom: var(--md-box-samantha-h3-margin-bottom) !important; padding-bottom: 0px !important;">分类<span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto;"><span class="ref_content_circle container-b9BBA4 short-npI0jf clickable-h8vINy" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); border-radius: 8px; display: inline-block; height: 14px; line-height: 14px; margin: 0px 4px 2px; min-width: 14px; overflow: hidden; padding: 0px; text-overflow: ellipsis; vertical-align: -1px; text-wrap-mode: nowrap; width: 14px; -webkit-line-clamp: 1; background: var(--s-color-bg-trans-tertiary); text-align: center; user-select: none; cursor: pointer; overflow-anchor: auto; color: var(--s-color-text-secondary,rgba(0,0,0,.8)) !important;">1</span></span></h3><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); padding-left: 20px; overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-bottom: var(--md-box-samantha-li-margin) !important; margin-top: var(--md-box-samantha-li-margin) !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">按用途分类</span></p><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto; margin-top: var(--md-box-samantha-second-level-li-margin) !important; padding-left: 20px !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">电力变压器</span>：包括升压变压器、降压变压器、配电变压器、厂用变压器等，主要用于电力系统的电能传输和分配。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">特种变压器</span>：如电炉变压器、整流变压器、电焊变压器、高压试验变压器、仪用互感器、调压器、脉冲变压器等，用于特定的工业设备或特殊的电气应用场景。</p></li></ul></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">按绕组结构分类</span></p><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto; margin-top: var(--md-box-samantha-second-level-li-margin) !important; padding-left: 20px !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">单绕组变压器</span>：也称作自耦合式变压器，只有一组线圈，次级线圈是从初级线圈抽头出来的，具有结构简单、体积小等优点，但电气隔离性能较差。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">多绕组变压器</span>：由双绕组、三绕组、六绕组等组成，可同时为多个不同电压等级的负载提供电源，适用于需要多种不同电压输出的场合。</p></li></ul></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">按铁芯结构分类</span></p><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto; margin-top: var(--md-box-samantha-second-level-li-margin) !important; padding-left: 20px !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">芯型变压器</span>：原、副绕组组合在两个铁心柱上，构造简单，安装方便，耗铁少，大容量、高电压的变压器通常采用这种结构。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">壳式变压器</span>：铁芯围绕线圈的上下部和两侧，具有良好的力学性能，且芯易于散热器，但耗铁较多，生产工艺繁琐，小容量、低电压的变压器通常为壳型。</p></li></ul></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">按相数分类</span></p><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto; margin-top: var(--md-box-samantha-second-level-li-margin) !important; padding-left: 20px !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">单相变压器</span>：由两组线圈缠绕在同一铁芯上构成，用于变换单相交流电压和电流，额定容量一般较小，常用于电子线路、焊接、冶金、测量系统、控制系统以及试验等方面。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">三相变压器</span>：由三个完全一样的单相变压器按一定方式构成，或采用三相铁芯式结构，用于三相交流电力系统的电能传输和分配，具有效率高、经济性好等优点。</p></li></ul></li></ul><h3 class="header-jfw95c auto-hide-last-sibling-br" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); line-height: var(--md-box-samantha-h3-line-height); margin-top: var(--md-box-samantha-h3-margin-top); font-size: var(--md-box-samantha-h3-font-size); overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-bottom: var(--md-box-samantha-h3-margin-bottom) !important; padding-bottom: 0px !important;">主要性能参数<span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto;"><span class="ref_content_circle container-b9BBA4 short-npI0jf clickable-h8vINy" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); border-radius: 8px; display: inline-block; height: 14px; line-height: 14px; margin: 0px 4px 2px; min-width: 14px; overflow: hidden; padding: 0px; text-overflow: ellipsis; vertical-align: -1px; text-wrap-mode: nowrap; width: 14px; -webkit-line-clamp: 1; background: var(--s-color-bg-trans-tertiary); text-align: center; user-select: none; cursor: pointer; overflow-anchor: auto; color: var(--s-color-text-secondary,rgba(0,0,0,.8)) !important;">2</span></span></h3><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); padding-left: 20px; overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-bottom: var(--md-box-samantha-li-margin) !important; margin-top: var(--md-box-samantha-li-margin) !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">额定容量</span>：指变压器在额定状态下的输出能力，单位为千伏安（kVA）。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">额定电压</span>：分别标明初级线圈和次级线圈在空载时的端电压值，单位为伏（V）。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">额定电流</span>：指在额定容量和允许温升条件下，初级线圈和次级线圈允许长期通过的电流值，单位为安（A）。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">电压比</span>：初级线圈额定电压与次级线圈额定电压之比，它决定了变压器的升压或降压倍数。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">连接组标号</span>：表示变压器绕组的连接方式和相位关系，常用的有 YN yn d11、D Z 等。</p></li></ul><h3 class="header-jfw95c auto-hide-last-sibling-br" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); line-height: var(--md-box-samantha-h3-line-height); margin-top: var(--md-box-samantha-h3-margin-top); font-size: var(--md-box-samantha-h3-font-size); overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-bottom: var(--md-box-samantha-h3-margin-bottom) !important; padding-bottom: 0px !important;">应用领域<span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-anchor: auto;"><span class="ref_content_circle container-b9BBA4 short-npI0jf clickable-h8vINy" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); border-radius: 8px; display: inline-block; height: 14px; line-height: 14px; margin: 0px 4px 2px; min-width: 14px; overflow: hidden; padding: 0px; text-overflow: ellipsis; vertical-align: -1px; text-wrap-mode: nowrap; width: 14px; -webkit-line-clamp: 1; background: var(--s-color-bg-trans-tertiary); text-align: center; user-select: none; cursor: pointer; overflow-anchor: auto; color: var(--s-color-text-secondary,rgba(0,0,0,.8)) !important;">1</span></span></h3><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); padding-left: 20px; overflow-anchor: auto; font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); margin-top: var(--md-box-samantha-li-margin) !important;"><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">电力系统</span>：用于输电、配电和变电，实现电能的高效传输和分配，将发电厂发出的低电压电能升压后进行远距离传输，在用电区域再将高电压降压为适合用户使用的电压等级。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">工业领域</span>：如电炉变压器用于金属冶炼、热处理等；整流变压器用于将交流电转换为直流电，为各种直流设备供电；电焊变压器用于焊接工艺等。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">电子设备</span>：电子变压器用于为电子设备提供合适的电源电压，如手机充电器、电脑电源适配器等。还可用于信号处理、阻抗匹配等方面。</p></li><li style=""><p><span style="-webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-weight: 600; color: var(--md-box-samantha-deep-text-color) !important; font-size: var(--md-box-samantha-normal-text-font-size); line-height: var(--md-box-samantha-normal-text-line-height); overflow-anchor: auto;">测量与试验</span>：仪用互感器包括电压互感器和电流互感器，用于测量高电压和大电流，将高电压和大电流变换为低电压和小电流，以便于测量和保护装置的使用；高压试验变压器用于对电气设备进行绝缘性能测试等试验。</p></li></ul><p><br/></p>			</div>
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