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5.4 绕组的极性

a. c. d. b. 5.4 绕组的极性. 一、同极性端（同名端）. 当电流分别从两个线圈的某端流入时，产生的磁通的方向相同，则称该两端为同极性端，用“ .” 或“＊”表示。 当磁通变化时，在同极性端感应电动势的极性也相同。. 例：图示的线圈电路，试判断两线圈的同极性端。. a,d 是一组同极性端. b,c 是另一组同极性端. a,c 是异名端， b,d 是异名端. 实际电工设备的多个绕组的首端是一组同极性端，末端是另一组同极性端。. 二、变压器绕组的联接. 110V. 110V. 220V. 110V. 串联： 异名端相连. 并联：

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5.4 绕组的极性

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  1. a c d b 5.4 绕组的极性 一、同极性端（同名端） 当电流分别从两个线圈的某端流入时，产生的磁通的方向相同，则称该两端为同极性端，用“.”或“＊”表示。 当磁通变化时，在同极性端感应电动势的极性也相同。 例：图示的线圈电路，试判断两线圈的同极性端。 a,d是一组同极性端 b,c是另一组同极性端 a,c是异名端，b,d是异名端 实际电工设备的多个绕组的首端是一组同极性端，末端是另一组同极性端。

  2. 二、变压器绕组的联接 110V 110V 220V 110V 串联： 异名端相连 并联： 同名端相连

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