01 Circuits and circuit models02
Reference directions of current and voltage03
Electric power and energy04
Resistive elements05
Voltage sources and current sources06
Controlled power supply07
Kirchhoff's law08
Equivalent transformation of simple resistive circuits09
Resistor star connection and triangle Equivalent transformation of connection
10 Equivalent transformation of power supply
11 Diagram of the circuit
12 Number of independent equations of KCL and KVL
13 Branch current method
14 Loop current method (1)
15 Loop current method (2)
16 Node voltage method (1)
17 Node voltage method (2)
18 Superposition theorem
19 Homogeneity theorem and substitution theorem
20 Thevenin’s theorem
21 Norton’s theorem and maximum power transfer theorem
22 Micro course of maximum power transfer theorem (Li Changjie)
23 Tellegen’s theorem
24 Capacitive components and inductive components (1)
25 Capacitive components and inductive components (2)
26 Capacitive components and inductive components (3) Determination of circuit switching law and initial value (1)
27 Determination of circuit switching law and initial value (2) Dynamic response of first-order circuit (1)
28 Dynamic response of first-order circuit (2)
29 Dynamic response of first-order circuit (3) Three-element method of first-order circuit (1)
30 Three-element method of first-order circuit (2)
31 Three-element method of first-order circuit Element method (3) Step response of first-order dynamic circuit
32 Dynamic response of second-order circuit (1)
33 Dynamic response of second-order circuit (2)
34 Sine quantity and its phasor representation (1)
35 Sine quantity and its phase Quantity representation (2) Phasor form of circuit law
36 Complex impedance and complex admittance (1)
37 Complex impedance and complex admittance (2)
38 Analysis of sinusoidal steady-state circuit (1)
39 Analysis of sinusoidal steady-state circuit (2 )
40
Power of sinusoidal steady-state circuit (1)
41 Power of sinusoidal steady-state circuit (2)
42 Power of sinusoidal steady-state circuit (3) Improvement of power factor
43 Power of sinusoidal steady-state circuit (4) Maximum power transmission
44 Series connection Resonant circuit (1)
45 Series resonant circuit (2)
46 Series resonant circuit (3) Parallel resonant circuit (1)
47 Parallel resonant circuit (2) Series and parallel resonant circuit
48 Basic concepts of mutual inductance circuits (1)
49 Basics of mutual inductance circuits Concept (2)
50 Calculation of mutual inductance circuit (1)
51 Calculation of mutual inductance circuit (2)
52 Air-core transformer
53 Ideal transformer
54 Basic concept of three-phase circuit (1)
55 Basic concept of three-phase circuit (2) Symmetrical three-phase circuit Calculation of (1)
56 Calculation of symmetrical three-phase circuit (2)
57 Calculation of symmetrical three-phase circuit (3) Asymmetrical three-phase circuit
58 Power and measurement of three-phase circuit (1)
59 Power and measurement of three-phase circuit ( 2)
60 Harmonic analysis of non-sinusoidal periodic signals, effective value and average value
61 Power of non-sinusoidal periodic current circuit, calculation of non-sinusoidal periodic current circuit
62 Introduction to filters
63 Laplace transform, inverse transform and dynamic circuit complex Frequency domain model
64 Complex frequency domain analysis of dynamic circuits
65 Network function (1)
66 Network function (2)
67 Cut set
68 Correlation matrix, loop matrix, cut set matrix
69 Matrix form of loop current
equation 70 Matrix of node voltage equation Form
71 Matrix form of cut set voltage equation
72 State equation (1)
73 State equation (2)
74 Two-port network and its parameter equations (1)
75 Two-port network and its parameter equations (2)
76 Two-port network and its parameters Equation (3) Equivalent circuit of two-port network (1)
77 Equivalent circuit of two-port network (2) Connection of two-port network
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