Unit 1 Outline of Power System 1
Part A The History and Principle of Electricity 1
Part B Electricity-Generation and Transport 3
Reading Material Brief Introduction on Power Industry in China 6
Unit 2 Alternating Current Principles 8
Part A Three-Phase System 8
Part B Two-wattmeter Measurement of Three-phase Power 12
Reading Material Power Factor 16
Unit 3 Electronics 18
Part A Diode and Transistor 18
Part B Basic Logic Gates 21
Reading Material Small Signal Amplifiers 26
Unit 4 Electrical Machine 28
Part A AC Motors 28
Part B Basic Operation of a Transformer 31
Reading Material The Transformer Manufacturing Industry in China 34
Unit 5 Electrical Measurements 36
Part A Permanent-Magnet Moving-Coil Meters 36
Part B How to Use a Multimeter 39
Reading Material Oscilloscope 42
Unit 6 Electrical Equipment 44
Part A The Equipment in Power Plants and Substations 44
Part B Primary Electrical Connections 48
Reading Material Vacuum Circuit Breakers 51
Unit 7 Power Transmission 53
Part A Transmission of Electrical Energy 53
Part B Power Exchange between Power Centers 57
Reading Material LV Distribution System 61
Unit 8 Direct-Current Transmission 63
Part A Features of DC Transmission 63
Part B Basic DC Transmission System 66
Reading Material Typical Installations of DC Transmission System 70
Unit 9 Relay Protection 72
Part A Power System Protection 72
Part B The Protection of Transformers 76
Reading Material The Types of Shunt Fault Which May Occur on a Three Phase System 79
Unit 10 Programmable Logic Controllers(PLC) 81
Part A Introduction of PLCs 81
Part B Advantages of PLCs over Relay Cabinets 85
Reading Material PLC's Robot Control 88
Unit 11 Electrical Safety Techniques 90
Part A First Aid For Electric Shock 90
Part B Equipment Grounding 94
Reading Material Electrical Safety Tips 98
Unit 12 New Energy 100
Part A The Introduction of a Wind Farm 100
Part B Nuclear Generating Stations 103
Reading Material Dongfang Turbine CO.Ltd.(DTC) 107
附录一 生词表 108
附录二 参考译文 119
参考文献 140