Motor control circuit is selected for example 258

Author: Yuan Ren Guang
Publisher:
Publish Date: 2004-07-16
Features: This book mainly includes the selection methods and performance specifications of common motors and low-voltage electrical appliances; an introduction to AC frequency conversion speed regulators (VVVF) and programmable logic controllers (PLC); and 258 practical examples of common motor control circuits. The appendices at the end of the book feature the selection of Y-series motor starting equipment; a combination table of switches, relays, and wires for 3-90KW Y-series motors; safety current ratings for common insulated wires; a comparison table of old and new graphical symbols and letter symbols for common electrical equipment; and an overview of common electrical calculation formulas. This book emphasizes practicality and is suitable for electricians, electrical technicians, and sales personnel in industrial and mining enterprises, design units, research institutions, and rural areas. It is also recommended for students and teachers in universities, technical vocational colleges, secondary specialized schools, and technical schools majoring in electrical control technology, low-voltage electrical appliances, electrical and electronic technology, electrical operation and control, and electromechanical technology and applications. Additionally, it can serve as a practical textbook for electrical training classes or self-study material for electricians.