Part Ⅰ Reading Comprehension 1
Unit 1 Power Semiconductor Devices 1
Unit 2 Gate Commutated Inverters （ DC/AC Converters） 12
Unit 3 Three-Phase Induction Motors 22
Unit 4 Selection and Application of Three-Phase Induction Machines 34
Unit 5 PLC Concepts 42
Unit 6 Remote Control System （Ⅰ） —Hardware Overview of Alphatronic 2000 PCS 54
Unit 7 Maintenance of Synchronous Machine 64
Unit 8 Principle of Operation of the Heading Control System PR-6000-ZZ 75
Unit 9 Instruction Manual for DECS-100 Digital Excitation Control System 82
Unit 10 Electric Propulsion Systems 91
Unit 11 What Components Should the Electrical Propulsion System Have 99
Unit 12 Remote Control System （Ⅱ） —Description of Main Functions of Alphatronic 2000 PCS 107
Unit 13 Global Maritime Distress and Safety System 118
Unit 14 Integrated Bridge System （ IBS） and Integrated Navigation System （ INS） （1 ） 128
Unit 15 Integrated Bridge System （ IBS） and Integrated Navigation System （INS） （2） 135
Part Ⅱ Documents and Business Writing 149
Unit 16 Documents for Repairs 149
Unit 17 Certificates， Letters， Telegram ＆ Telex 160
Unit 18 Business Writing Relating to Electro-technical Officer 167
Part Ⅲ International Conventions and Standards 172
Unit 19 Introduction to International Convention for the Safety of Life at Sea （ SOLAS），1974 172
Unit 20 IMO Resolution MSC.192（79） 186
Unit 21 International Standard-IEC 61209 207
Unit 22 Recommendation ITU-R M.1371-3 221
References 234