搜搜考试网英语翻译POWER （ac）19．1 INTRODUCTIONThe discussion of power in Ch
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英语翻译
POWER （ac）
19．1 INTRODUCTION
The discussion of power in Chapter 14 include only the average power delivered to an ac network.
We will now examine the total power equation in a slightly different form and will introduce two additional types of power :apparent and reactive.
For any system such as in Fig.19.1,the power delivered to a load at any instant is defined by the product of the applied voltage and the resulting current; that is,
P = vi
In that case,since v and I are sinusoidal quantities,let us establish a general case where
POWER （ac）
19．1 INTRODUCTION
The discussion of power in Chapter 14 include only the average power delivered to an ac network.
We will now examine the total power equation in a slightly different form and will introduce two additional types of power :apparent and reactive.
For any system such as in Fig.19.1,the power delivered to a load at any instant is defined by the product of the applied voltage and the resulting current; that is,
P = vi
In that case,since v and I are sinusoidal quantities,let us establish a general case where
功率（交流）
19.1 简介
第14章对功率的讨论仅限于施加在一个交流网络的平均功率.
现在,我们会发现总功率公式与之有些许不同,介绍另外两种功率形式：视在功率和无功功率.
对于任何系统(如图19.1),在任意时刻,施加在负载上的功率被定义为输入电压和其产生电流的乘积；就是：
P=VI
那样的话,由于V和I都是正弦量,我们设定一个普遍的情况
19.1 简介
第14章对功率的讨论仅限于施加在一个交流网络的平均功率.
现在,我们会发现总功率公式与之有些许不同,介绍另外两种功率形式：视在功率和无功功率.
对于任何系统(如图19.1),在任意时刻,施加在负载上的功率被定义为输入电压和其产生电流的乘积；就是：
P=VI
那样的话,由于V和I都是正弦量,我们设定一个普遍的情况
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