1. The current flows through the primary winding to create a magnetic field.
电流流过初级绕组以产生磁场。

2. The voltage in the primary winding must be stable for efficient operation.
初级绕组中的电压必须保持稳定以确保高效运行。

3. Check the insulation of the primary winding in the transformer.
检查变压器初级绕组的绝缘情况。

A: What is the function of the primary winding?
A：初级绕组的作用是什么？

B: It is used to transfer energy to the secondary winding through induction.
B：它通过电磁感应将能量传递给次级绕组。

1) 电力设备中的初级绕组

2) 变压器输入侧线圈

3) 电磁感应中的原边绕组

1. 初级绕组

e.g. The primary winding is connected to the input source.
初级绕组连接到输入电源。

noun phrase

1. The coil in a transformer that is connected to the power source.