Learn Electrician from Scratch

"Learning Electricians from Zero Basics" is guided by the market demand in the field of electricians and arranges the learning content of electrician knowledge and skills according to relevant national professional qualification standards. Combining the training characteristics of the electrical industry and readers' learning habits, electrical knowledge and skills are divided into 16 chapters, specifically including basic electrical knowledge, common electrical appliances and electronic components, the functions and uses of common tools and instruments, electrician diagram recognition, detection of electrical components and electronic components, circuit processing and connection, and installation and maintenance of light control and lighting systems. Maintenance, installation and maintenance of power supply and distribution lines, installation and maintenance of electric drive systems, disassembly, assembly and maintenance applications of motors, characteristics and applications of commonly used control circuits for motors, use and debugging of frequency converters, PLC technology and programming, automation application control of electromechanical equipment, comprehensive control applications of frequency conversion circuits, and comprehensive control applications of PLC. This knowledge content covers the current main job requirements in the electrical industry, focusing on the systematic nature of electrical knowledge and emphasizing the practicality of electrical skills. "Learning Electricians from Zero Basics" adopts a new teaching mode of micro-video explanation and interaction. Important knowledge points or operating skills in the book are printed with QR codes. Readers can scan the QR codes in the book with their mobile phones to watch video demonstrations of corresponding knowledge points and skill points on their mobile phones. This complements the content in the book and ensures a good learning effect.