Chapter 13 ically Coupled Circuits
要求深刻理解与熟练掌握的重点内容有:
、同名端、互感系数、耦合系数的概念,含电感电路的分析,理想变压器的伏安关系,阻抗变换作用,含理想变压器电路的分析方法。
,串联谐振与并联谐振的概念。
难点:同名端、耦合系数、阻抗变换、谐振电路的通频带、品质因数。
•13-1 Introduction
•13-2 Mutual Inductance
•13-3 Energy in a Coupled Circuit
•13-4 Linear Transformers
•13-5 Ideal Transformers
•13-6 Ideal Autotransformers
•13-10 Summary and Review
Introduction
1. Terms
2. Introduction of this chapter
mutual inductance
互感
ic flux
磁通量
ic field
ic flux linkage
磁通链
transformer
变压器
number of turns
匝数
“dot” convention
磁场
同名端(“点”公约)
1. terms
transfer function
传递函数
voltage gain
电压增益
power gain
primary
原边
secondary
副边
Reflected impedance
反映阻抗
功率增益
2. Introduction
In this chapter, our specific goals and objectives include
•Understanding mutual and self-inductance
•Ability to properly apply the “dot”convention
•Converting between T and works
•Ability to analyze circuits containing ideal transformers
(1) (Self) Inductance
ic flux linkage
Voltage
Flux linkage
Voltage
(2) Question?
v1
v2
?
?
Answer:
No
Mutual inductance
1. Phenomenon of mutual inductance
2. Coefficient of mutual inductance
3.“dot” convention
bined Mutual
and Self induction voltage
coil in series
coil in parallels
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