1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 22: Power Electronics"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 22.1, Page 475"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" Output Voltage, V = 12.0 V\n"
]
}
],
"source": [
"import math\n",
"#Initialization\n",
"vz=4.7 #voltage\n",
"r3=1.222*10**3 #resistance in ohm\n",
"r4=10**3 #resistance in ohm\n",
"\n",
"\n",
"#Calculation\n",
"Vo=(vz+0.7)*((r3+r4)*r4**-1) #output voltage\n",
"\n",
"\n",
"#Result\n",
"print' Output Voltage, V = %.1f V'%Vo\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 22.2, Page 476"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Power delivered to the load, P = 5 W\n",
"Power dissipated in the output transistor, P = 10 W\n"
]
}
],
"source": [
"import math\n",
"#Initialization\n",
"vo=10 #voltage\n",
"rl=5 #resistance in ohm\n",
"vi=15 #voltage\n",
"\n",
"\n",
"#Calculation\n",
"io=vo*rl**-1 #current in ampere\n",
"po=vo*io**-1 #power delivered to the load in watt\n",
"pt=(vi-vo)*io #power dissipated in the output transistor in watt\n",
"\n",
"\n",
"\n",
"#Result\n",
"print'Power delivered to the load, P = %d W'%po\n",
"print'Power dissipated in the output transistor, P = %d W'%pt\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
}
],
"metadata": {
"anaconda-cloud": {},
"kernelspec": {
"display_name": "Python [Root]",
"language": "python",
"name": "Python [Root]"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.12"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
