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unit 1 fundamentals of electronic
circuits 1
1.1 introduction to circuit theory 1
new words and expressions 4
notes 4
1.2 analog and digital circuits 5
new words and expressions 11
notes 11
1.3 three-phase circuits 13
new words and expressions 17
notes 18
1.4 further reading 18
reading amplifiers and their
applications 18
translation methods and skills of est
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exercises 23
unit 2 power electronics 24
2.1 introduction 24
new words and expressions 25
notes 26
2.2 power semiconductor devices 27
2.2.1 diode 28
2.2.2 thyristors and gtos 28
2.2.3 power mosfeets and igbts 29
new words and expressions 30
notes 30
2.3 power electronic converters 31
2.3.1 rectifiers and inverters 31
2.3.2 choppers and cycloconverters 33
new words and expressions 35
notes 35
2.4 further reading 36
reading electronic filters 36
translation methods and skills of est
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exercises 39
unit 3 electrical machines 41
3.1 introduction 41
3.1.1 elementary concepts of electrical
machines 41
3.1.2 classification of electrical
machines 41
3.1.3 applications of electrical machines 42
new words and expressions 43
notes 44
3.2 induction machines 44
3.2.1 equivalent circuit of a polyphase
induction machine 45
3.2.2 performance of a polyphase
induction machine 46
3.2.3 torque-speed characteristics of
3-phase induction motors 47
3.2.4 applications for induction motors 48
new words and expressions 48
notes 49
3.3 synchronous machines 50
3.3.1 equivalent circuit of a synchronous
machine 50
3.3.2 power angle and other performance
characteristics 51
3.3.3 steady-state stability 53
3.3.4 applications for synchronous
motors 53
new words and expressions 53
notes 54
3.4 dc machines 55
3.4.1 constructional features of dc
machines 55
3.4.2 equivalent circuit of a dc
machine 57
3.4.3 dc machines characteristics 58
3.4.4 applications for dc machines 59
new words and expressions 61
notes 61
3.5 further reading 62
reading monitoring techniques for
rotating 62
electrical machines 62
translation methods and skills of est
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exercises 65
unit 4 electric power systems 67
4.1 introduction 67
new words and expressions 68
notes 69
4.2 components of electric power
systems 69
new words and expressions 71
notes 71
4.3 operation and control of power
systems 72
new words and expressions 74
notes 75
4.4 power system protections 76
4.4.1 faults and their damages on power
systems 76
4.4.2 circuit breakers 78
4.4.3 distance protection 79
4.4.4 lightning arresters 80
new words and expressions 81
notes 82
4.5 power system stability 83
new words and expressions 84
notes 84
4.6 further reading 85
reading smart grid 85
translation methods and skills of est
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exercises 89
unit 5 electric power generations 91
5.1 coal-fired power generation 91
new words and expressions 92
notes 93
5.2 hydropower generation 94
new words and expressions 96
notes 96
5.3 windpower generation 97
new words and expressions 99
notes 99
5.4 solarpower generation 100
new words and expressions 102
notes 102
5.5 further reading 103
reading wind-energy-conversion
systems 103
translation methods and skills of est
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exercises 104
unit 6 automatic control 107
6.1 introduction 107
6.1.1 elementary concept of control
systems 107
6.1.2 classification and applications of
control systems 108
new words and expressions 109
notes 110
6.2 feedback control 112
6.2.1 transfer functions and block
diagrams 112
6.2.2 dynamic response of control
systems 114
6.2.3 steady-state error of linear
systems 115
6.2.4 classification of feedback control
systems 115
new words and expressions 116
notes 117
6.3 control methods 119
6.3.1 pid control 119
6.3.2 fuzzy control 122
new words and expressions 123
notes 124
6.4 control technologies 125
6.4.1 single-chip microprocessor
control 125
6.4.2 programmable logic control 127
new words and expressions 128
notes 129
6.5 further reading 129
reading the future of pid control 129
translation methods and skills of est
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exercises 132
unit 7 sensoring technology 134
7.1 introduction 134
new words and expressions 136
notes 137
7.2 sensors 138
7.2.1 resistive temperature detectors 138
new words and expressions 141
notes 142
7.2.2 strain gauges 142
new words and expressions 144
notes 145
7.2.3 capacitive pressure sensors 146
new words and expressions 148
notes 149
7.2.4 inductive displacement sensor 149
new words and expressions 152
notes 153
7.3 further reading 154
reading sensor network 154
translation methods and skills of est
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exercises 158
unit 8 computer network and networked
control 159
8.1 introduction to computer network 159
new words and expressions 161
notes 161
8.2 introduction to networked control
systems 162
new words and expressions 165
notes 166
8.3 further reading 166
reading application of ncss to power
system control 166
translation methods and skills of est
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unit 9 signal processing £¦
telecommunication 169
9.1 signals and spectral analysis 169
9.1.1 periodic signals and fourier
series 169

9.1.2 spectral analysis and signal
bandwidth 170
new words and expressions 171
notes 172
exercises 172
9.2 modulation, sampling, and
multiplexing 173
9.2.1 frequency translation and product
modulation 173
9.2.2 sampling and pulse modulation 173
9.2.3 multiplexing systems 174
new words and expressions 174
notes 175
exercises 175
9.3 interference 176
9.3.1 noise 176
9.3.2 filtering, distortion, and
equalization 176
new words and expressions 177
notes 178
exercises 178
9.4 analog telecommunication
systems 179
9.4.1 amplitude modulation 179
9.4.2 message demodulation 180
9.4.3 frequency modulation 180













9.4.4 demodulators for fm 181
new words and expressions 182
notes 182
exercises 183
9.5 digital telecommunication
systems 184
9.5.1 sampling 184
9.5.2 quantization and quantization
error 184
9.5.3 companding 185
9.5.4 source encoding 185
new words and expressions 186
notes 186
exercises 187
9.6 further reading 187
reading anti-noise systems¡ªnoise
cancellation 187
translation methods and skills of est
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keys to exercises 269
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