Elevator control technology

Author: Liang Yandong
Publisher:
Publish Date: 1997-12-01
Features: This book systematically elaborates on the theory and practical applications of AC elevator electrical control technology. The content includes basic knowledge of elevators, elevator speed curves, the structure and principles of electrical drive control systems for AC two-speed elevators, voltage regulation speed control elevators, and VVVF elevators (with VVVF elevators as the focus), the structure and functions of group selection operating control systems, and the application of microcomputers in elevator electrical control systems, among others. The book also cites numerous practical circuit diagrams, charts, and curves from elevator engineering projects.