Download presentation
Presentation is loading. Please wait.
1
Fundamentals of Electric Circuits
2
BASIC CONCEPTS SYSTEMS OF UNITS: SI
3
The six basic SI units
4
The SI prefixes
5
CHARGE AND CURRENT
6
DC vs. AC Current
7
VOLTAGE Energy to move a unit charge
8
POWER AND ENERGY
9
Passive Sign Convention
10
BASIC LAWS
11
OHM’S LAW
12
Conductance
13
NODES, BRANCHES, AND LOOPS
14
KIRCHHOFF’S LAWS Kirchhoff’s current law (KCL) states that the algebraic sum of currents entering a node (or a closed boundary) is zero
15
KIRCHHOFF’S LAWS
16
KIRCHHOFF’S LAWS Kirchhoff’s voltage law (KVL) states that the algebraic sum of all voltages around a closed path(or loop) is zero
17
KIRCHHOFF’S LAWS
18
SERIES RESISTORS
19
SERIES RESISTORS
20
SERIES RESISTORS
21
VOLTAGE DIVISION
22
VOLTAGE DIVISION
23
PARALLEL RESISTORS
24
PARALLEL RESISTORS
25
PARALLEL RESISTORS
26
PARALLEL RESISTORS
27
CURRENT DIVISION
28
CURRENT DIVISION
29
WYE-DELTA TRANSFORMATIONS
30
WYE-DELTA TRANSFORMATIONS
31
WYE-DELTA TRANSFORMATIONS
32
WYE-DELTA TRANSFORMATIONS
33
WYE-DELTA TRANSFORMATIONS
34
WYE-DELTA TRANSFORMATIONS
35
WYE-DELTA TRANSFORMATIONS
36
WYE-DELTA TRANSFORMATIONS
37
WYE-DELTA TRANSFORMATIONS
38
WYE-DELTA TRANSFORMATIONS
39
SUPERPOSITION For Linear Systems:
40
SUPERPOSITION
41
SOURCE TRANSFORMATION
42
THEVENIN’S THEOREM ? ?
43
THEVENIN’S THEOREM
44
THEVENIN’S THEOREM
45
NORTON’S THEOREM
46
NORTON’S THEOREM
47
NORTON’S THEOREM
48
SOURCE TRANSFORMATION
49
CAPACITORS AND INDUCTORS
50
CAPACITORS
51
CAPACITORS
52
CAPACITORS
53
CAPACITORS
54
CAPACITORS The voltage on a capacitor cannot change abruptly
A capacitor is an open circuit to dc
55
SERIES CAPACITORS
56
PARALLEL CAPACITORS
57
INDUCTORS µ ≡ Permiability
58
INDUCTORS
59
The current through an inductor cannot change instantaneously
INDUCTORS The current through an inductor cannot change instantaneously An inductor acts like a short circuit to dc
60
SERIES INDUCTORS
61
PARALLEL INDUCTORS
62
IMPORTANT CHARACTERISTICS
63
Characterized by A First-order Differential Equation
FIRST-ORDER CIRCUITS Characterized by A First-order Differential Equation
64
FIRST-ORDER CIRCUITS THE SOURCE-FREE RC CIRCUIT
65
FIRST-ORDER CIRCUITS THE SOURCE-FREE RC CIRCUIT
66
FIRST-ORDER CIRCUITS STEP RESPONSE OF AN RC CIRCUIT
67
FIRST-ORDER CIRCUITS STEP RESPONSE OF AN RC CIRCUIT
68
FIRST-ORDER CIRCUITS THE SOURCE-FREE RL CIRCUIT
69
STEP RESPONSE OF AN RL CIRCUIT
70
STEP RESPONSE OF AN RL CIRCUIT
71
STEP RESPONSE OF AN RL CIRCUIT
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.