《南京电工培训》PPT课件

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,优秀精品课件文档资料,电工培训,南,京,宁,鼓,职,校,2024/10/7,电路基础入门,并联电路,串联电路,串联与并联,南京电工培训：,4,串联,并联,串联与并联,南京电工培训：,2024/10/7,串联是连接电路元件的基本方式之一。将电路元件(如电阻、电容、电感,用电器等)逐个顺次首尾相连接。将各用电器串联起来组成的电路叫串联电路。串联电路中通过各用电器的电流都相等。,基本定义：串联就是两个原件的头尾相连，接入电路通过的电流是一样，电压是不一样的有一个分压。在逻辑电路这叫“与”的关系。,基本原理：原理：在串联电路中，各电阻上的电流相等，各电阻两端的电压之和等于电路总电压。可知每个电阻上的电压小于电路总电压，故串联电阻分压。,串联电路的特点：串联电路中通过各个用电器的电流相等。,串联分压，并联分流。,串联电路只有一个电流路径，而并联电路则有多个电流路径。,串联电路的特点：串联电路中通过各个用电器的电流相等。,串联电路中，只要有某一处断开，整个电路就成为断路。即所相串联的电子元件不能正常工作。电路。,串联电路,南京电工培训：,2024/10/7,并联电路,把电路中的元件并列地接到电路中的两点间，电路中的电流分为几个分支，分别流经几个元件的连接方式叫并联。,并联电路中，电阻大小的计算公式为,1/R=1/R1+1/R2+1/R3+（R1、R2、R3表示各支路电阻大小）；若只有两个电阻并联，则有计算公式:R=R1XR2/R1+R2(此公式只能用于两个电阻并联，多个电阻并联只能用上一个公式)。,在并联电路中，除各支路两端电压相等以外，电阻和其它物理量之间均成反比（在相同时间内），R1：R2=I2：I1=P2：P1=W2：W1=Q2：Q1 除电阻和电压以外，其它物理量之间又成正比I1：I2=P1：P2=W1：W2=Q1：Q2。,无论是电源还是电阻，有一个共同的特点，就是串联的时候各串联单元电流相等，电压相加，并联时各并联单元电压相等，电流相加。,南京电工培训：,南京,电工培训,SEO刀刀li断崖,文不对题,谢谢,聆听,！,