Motor Engineering Handbook: Application Volume (1)

Author: Chief Editor: Liu Siyuan
Publisher:
Publication Date: 1997-09-01
Features: Preface to the Second Edition
The Handbook of Electrical Engineering is a comprehensive and large-scale reference book that systematically summarizes the main technical content of various disciplines in electrical engineering. It was first published in the 1970s. The revision of the second edition is based on the first edition, updating the content, improving shortcomings, and further highlighting the characteristics of the comprehensive handbook—comprehensiveness, precision, novelty, and accuracy—to better adapt to the needs of scientific and technological development and serve China's socialist modernization.
### I. Key Focus of Revision
1. In New Technologies: The revision thoroughly incorporates major domestic and international technological achievements, adding chapters on emerging technologies closely related to modern electrical engineering, such as microelectronics, power electronics, automation, new energy, new materials, optical fiber communication, and laser. For traditional disciplines, new branches such as DC transmission, AC speed regulation technology, sensing technology, servo technology, and electromagnetic compatibility technology have been strengthened or newly established chapters.
2. In Fundamentals: To meet the needs of reform and opening-up and better serve readers in improving comprehensive analysis, adaptability, and innovation capabilities, the fundamental theories, technologies, components, and materials of electrical engineering, as well as the basics of modern enterprise management, have been either significantly expanded or supplemented with new chapters.
3. In Applications: The scope of electrical energy applications has been broadened, further expanding to fields such as railways, highways, water transport, civil aviation, household appliances, medical care, and scientific research. Dedicated chapters have been set up for widely applicable devices like laser, electron beam, ion beam systems and accelerators, as well as the application of computers.
4. In Integration: To adapt to the increasing integration of modern science, the framework design, content arrangement, and writing of each section strive to better reflect the interplay and mutual penetration among disciplines, revealing intrinsic connections and better implementing the editorial principle of "taking a holistic view, outlining the general picture, reflecting commonalities, and highlighting key points." For example, to extract common technologies, chapters such as General Theory of Electric Machines and General Manufacturing Processes of Electrical Products have been added, while the content on comprehensive technologies such as environmental protection, reliability, energy saving, and safety has been enriched.
### II. Content and Structure
The second edition primarily includes five parts: Fundamentals, Electrical Equipment, Power Systems, Electrical Energy Applications, and Automation and Communication, comprising 58 chapters divided into 8 volumes.
1. Fundamentals: Consists of general electrical engineering theory, technical foundations, basic components and materials, and the fundamentals of modern enterprise management, totaling 18 chapters in 2 volumes. New chapters added include Electronic Circuits, Electronic Computers, Reliability Technology, General Manufacturing Processes of Electrical Products, and Fundamentals of Modern Enterprise Management and Electrical Standards and Technical Regulations.
2. Electrical Equipment: Covers conventional, specialized, and special types of motors and transmission, transformation, distribution, and distribution equipment, totaling 13 chapters in 2 volumes.
3. Power Systems: Comprises branches such as power generation, transmission, transformation, distribution, and supply, totaling 9 chapters in 1 volume. New chapters added include Other Energy Generation and Industrial and Civil Building Power Supply.
4. Applications: Includes commonly used and emerging electrical equipment in industries, transportation, scientific research, medical care, and daily life, totaling 11 chapters in 2 volumes. New chapters added include Laser, Electron Beam, and Ion Beam Systems and Accelerators, Electric Traction, Application of Electricity in Water Transport, Highways, and Civil Aviation, and Electrostatic Technology and Other Electrical Applications.
5. Automation and Communication: Comprises various automatic control systems, computer applications, and communication, totaling 7 chapters in 1 volume. New chapters added include Numerical Control Technology and Automated Machining, Computer-Integrated Manufacturing Systems, Computer Applications, and Electrical Communication.
### III. Arrangement and Reference
Given the vast coverage of numerous disciplines and the interweaving of content in this handbook, it is organized into chapters, sections, subheadings, and items for ease of reference. Each volume features a retrieval system consisting of a table of contents and index, along with a reference system comprising internal cross-references and bibliographic references.
1. Retrieval System: Each volume includes a full table of contents and chapter/section (two levels) for the entire handbook, providing an overview of the hierarchical structure and internal connections. The also includes English translations. At the end of each volume, a subject index arranged in pinyin order is provided, linking related content across different chapters for easy retrieval.
2. Reference System: Internal cross-references are coordinated for identical content across different chapters, ensuring consistency, complementarity, or supplementation while reducing redundancy. Bibliographic references are divided into recommended and source categories. The former directs readers to valuable references for further study, extending the handbook's content. The latter, known as "citations," are listed at the end of relevant pages or below corresponding figures and tables, indicating the sources for reference.
3. General Introduction: Most chapters include an introduction (or overview) that outlines the content, reflecting the discipline's, principles, commonalities, and internal/external connections, aiding a comprehensive understanding. Readers can use these introductions as guides to unfamiliar knowledge areas.
4. Interconnections: Chapters within and between volumes are interrelated, complementing each other. For example, chapters in the Electrical Equipment volume primarily summarize basic principles, structures, design points, testing, installation, operation, and maintenance, with a focus on new technologies and products. For deeper vertical or broader horizontal knowledge, readers should consult relevant chapters in other volumes. Mathematical, material, and component performance, and testing methods for engineering calculations are found in the Fundamentals volume; content on automation is in the Automation and Communication volume; relationships between electrical equipment and power grids are in the Power Systems volume; and application-related content is in the Applications volume. By synthesizing knowledge from different chapters, readers can achieve a more comprehensive and in-depth understanding.
### IV. Additional Notes
1. Terminology: All technical terms in the handbook follow those approved by the National Natural Science Terminology Committee and relevant national or industry standards. Where standards are absent, commonly used terms in each discipline are adopted, with efforts made for consistency across the handbook and volumes.
2. Units and Symbols: Quantities, units, and symbols adhere to GB3100–3102—93 Quantities and Units and the Legal Metrological Units of the People's Republic of China. In some fields, both legal and non-legal units are listed, along with conversion relationships for convenience.
3. Standards: All standards referenced are current national or industry standards. For electrical diagrams, graphical symbols follow GB4728—84, 85 Graphical Symbols for Electrical Diagrams; project designators in electrical engineering follow GB5094—85 Project Designators in Electrical Engineering; letter symbols in electrical engineering follow GB7159—87 General Rules for Letter Symbols in Electrical Engineering; and electrical drawing follows GB6988—86 Electrical Drawing. Where necessary, comparisons with old standards are provided.
4. Authorship: The names of contributors are presented in a combination of organizational and individual formats. The leading organization, writing organization, lead editor, writers, and lead reviewers are listed at the beginning of each chapter. Writing organizations and individuals are ordered by the sequence of their contributions.
The Handbook of Electrical Engineering (Second Edition) comprises 8 volumes and 58 chapters, divided into Fundamentals, Equipment, Power Systems, Applications, and Automation and Communication. This volume belongs to the Applications section, including chapters such as Industrial Electric Heating Equipment, Electric Welding Machines, Electrochemistry and Batteries, Electrical Lighting, Household Appliances, and Electric Tools. These chapters cover basic construction, design principles, testing, installation, operation, and maintenance, with a strong emphasis on new technologies and products. The handbook serves as a reference for electrical engineering professionals with intermediate to advanced technical expertise in solving problems across their discipline and related fields, as well as for university faculty and other relevant personnel.
Excerpt:
Chapter 1: Introduction
Industrial electric heating equipment is a complete set of equipment composed of electric heating units, electrical and mechanical components, and other devices necessary for the heating process. According to the terminology of electric heating equipment [1], electric heating equipment with a heating chamber is also referred to as an electric furnace.
3.2 Power Supply
Electric heating equipment operates on either AC or DC current. AC power includes 50 Hz power frequency, as well as low-frequency, medium-frequency, high-frequency, and ultra-high-frequency (I) power. Power frequency current is mostly obtained from the grid via dedicated transformers or thyristor devices, while other AC and DC currents require frequency conversion and conversion devices. DC power sources and medium-frequency power sources below 10 kHz are primarily composed of thyristor power supply units. High-frequency power sources above 10 kHz are constructed using traditional vacuum tube and high-power transistor power supply units.