This book is written based on the summary, improvement and revision of the first edition. The first part (electrical technology) is the knowledge system of circuit-motor (including motor control), and some chapters have been rewritten to make the context of basic circuit theory and motor application technology clearer. The second part (electronic technology) is the knowledge system of device-circuit-system, which has been rewritten and adjusted in many places, adding informative and interesting application examples and designs, which is conducive to students to establish a systematic concept, master the theoretical knowledge of electronic technology, and enhance practical ability. This book is suitable for the teaching materials of the short-term electrical engineering courses of non-electrical majors in colleges and universities, and is also suitable for non-electrical majors in higher vocational colleges and adult higher education. Previous chapter Electrical Engineering Chapter 1 Circuits and their analysis methods 1.1 The function and components of circuits 1.2 Circuit model 1.3 Reference direction of voltage and current 1.4 Power supply under load, open circuit and short circuit 1.4.1 Power supply under load 1.4.2 Power supply open circuit 1.4.3 Power supply short circuit 1.5 Kirchhoff\'s law 1.5.1 Kirchhoff\'s current law 1.5.2 Kirchhoff\'s voltage law 1.6 Series and parallel connection of resistors 1.6.1 Series connection of resistors 1.6.2 Parallel connection of resistors 1.7 Branch current method 1.8 Superposition theorem 1.9 Voltage source and current source and their equivalent transformation 1.9.1 Voltage source 1.9.2 Current source 1.9.3 Equivalent transformation of voltage source and current source 1.10 Thevenin\'s theorem 1.11 Calculation of potential in circuits 1.12 Transient analysis of circuits 1.12.1 Chapter 2 Sinusoidal AC Circuits 2.1 Sinusoidal Voltage and Current 2.1.1 Frequency and Period 2.1.2 Amplitude and Effective Value 2.1.3 Initial Phase 2.2 Phasor Representation of Sinusoidal Quantities 2.3 Single Parameter AC Circuits 2.3.1 Resistor AC Circuits 2.3.2 Inductor AC Circuits 2.3.3 Capacitor AC Circuits 2.4 Series Connection of Resistance, Inductance and Capacitance 2.5 Impedances in Series and Parallel 2.5.1 Series Connection of Impedances 2.5.2 Parallel Connection of Impedances 2.6 Resonance in Circuits 2.6.1 Series Resonance 2.6.2 Parallel Resonance 2.7 Improving Power Factor 2.8 Three-Phase Circuits 2.8.1 Chapter 3 Magnetic Circuit and Transformer 3.1 Magnetic Circuit and Analysis Method 3.1.1 Basic Physical Quantities of Magnetic Field 3.1.2 Magnetic Properties of Magnetic Materials 3.1.3 Analysis Method of Magnetic Circuit 3.2 AC Iron Core Coil Circuit 3.3 Transformer 3.3.1 Working Principle of Transformer 3.3.2 External Characteristics of Transformer 3.3.3 Transformer Loss and Efficiency 3.3.4 Special Transformer 3.3.5 Polarity of Transformer Winding 3.4 Electromagnet Exercises Chapter 4 Electric Motors Chapter 5 Relay Contactor Control Systems Chapter 6 Programmable Controllers Chapter 7 Power Supply and Safe Use of Electricity in Industrial Enterprises Chapter 8 Electrical Measurements Part II Electronic Technology Chapter 9 Diodes and Transistors Chapter 10 Basic Amplifier Circuits Chapter 11 Operational Amplifiers Chapter 12 DC Regulated Power Supply Chapter 13 Gate Circuits and Combinational Logic Circuits Chapter 14 Triggers and Sequential Logic Circuits Chapter 15 Conversion of Analog and Digital Quantities Appendix Answers to Some Exercises References
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