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理想变压器的阻抗变换可以用等效的思想把理想变压器的相关电路简化,帮助学生快速找出相关电压、电流、功率的关系.本文首先介绍了理想变压器复阻抗变换,然后介绍高中理想变压器的电阻变换并以近年几个高考试题为例应用电阻变换的规律.
The ideal impedance transformation of the transformer can simplify the related circuit of the ideal transformer with equivalent ideas and help students quickly find the relationship between the relevant voltage, current and power. This paper first introduced the ideal transformer complex impedance transformation, and then introduced the resistance of the ideal high-voltage transformer. Change and apply the law of resistance transformation with several high exam questions in recent years.