The book "Assessment of functional characteristics of welding power sources" under the authorship of a team of authors, including Sas A. In. , is an important work that will be of interest to both specialists in the field of welding production and students of technical universities studying this topical topic. In a world where technology is constantly evolving and welding quality requirements are becoming higher, this edition is becoming an indispensable assistant for anyone who wants to understand the intricacies of welding machines and their functional characteristics. The book details various aspects of the evaluation of welding power supplies, including their performance, reliability, and efficiency. The authors focus on modern methods and approaches that allow not only to assess the current characteristics of the equipment, but also to predict its behavior in various operating conditions. This makes the work especially valuable for engineers and technicians working in the welding field, as well as for researchers engaged in research in this field. One of the key themes of the book is the impact of different parameters on the quality of the welded connection. The authors share their knowledge on how to properly configure welding power supplies to achieve optimal results. This knowledge will be useful to both experienced welders and beginners seeking to improve their skills. The book also touches on safety issues when working with welding equipment, which is an important aspect for everyone involved in this activity. The style of the authors is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex technical concepts. The book is written taking into account the needs of a wide audience, and it can be recommended to both professionals and students who are just starting their way in the world of welding. If you are looking for information about welding power supplies, their characteristics and evaluation methods, this publication will be a real find for you. The book "Assessment of the functional characteristics of welding power sources" can be of interest not only to specialists, but also to those who are fond of technical sciences and want to expand their knowledge of welding equipment. It will be an excellent addition to the library of any engineer or student studying welding technology. In addition, this publication may attract the attention of researchers working on new technologies in the field of welding and materials science. The authors share their observations and conclusions, which can inspire new ideas and developments. If you are looking for literature on the evaluation of welding power supplies, pay attention to other works devoted to welding technologies and equipment. Books such as “Welding: Theory and Practice” or “Modern Welding Technologies” can be a great addition to your study. In conclusion, “Assessment of the functional characteristics of welding power supplies” is not just a book, but a whole world of knowledge that awaits its reader. It will help you to better understand the processes taking place in welding production, and teach you how to properly evaluate and select equipment for the best results. Do not miss the opportunity to enrich your knowledge and become a more competent specialist in your field!