This textbook is designed to assist engineering students in industrial and power electronics by providing detailed illustrations of the presented theory and numerous solved example problems. The solved problems aim to help develop critical thinking, analytical methods, and problem-solving strategies. Additionally, the theory is supported by simulation examples using popular software programs such as SPICE, PSIM&tm), MATLAB, and Simulink. The book can also serve as a valuable resource for working engineers and technicians, allowing them to quickly address common issues related to industrial and power electronics systems, including the design of filters, driving circuits for power semiconductor devices, noise measurement, and filtering due to electromagnetic interference (EMI), motor drive system design, and PLC and relay control automation system design, as well as supervisory control and SCADA system design.  Designed for introductory and advanced courses in industrial and power electronics; A hands-on guide to common issues faced by practicing engineers and technicians; Provides numerous solved problems reinforced by simulation examples using SPICE, PSIM, MATLAB, and Simulink.