This book covers the complete syllabi prescribed for undergraduate courses in electrical, electronics, mechanical and instrumentation engineering offered by various Indian universities. The objective of this text is to provide thorough knowledge in the emerging field of special electrical machines. It discusses the stepper motor, switched reluctance motor, permanent magnet dc and ac motors, brushless dc motors, single phase special electric motors, servomotors, linear electric machines and permanent magnet axial flux machines. Key Features ac Chapter on permanent magnet axial flux machines (not available in other Indian authors' books) ac Numerous worked-out examples ac Based on classroom tested materials ac Simplified mathematical analysis Besides undergraduate students, the book will also be useful to the postgraduate students specialising in drives and control, power electronics, control systems and mechatronics.1.35 qatime curves 1.8 Open-Loop Control of Stepper Motor The block diagram of an openaloop control scheme for stepper motor is shown in Fig. 1.36. The logic controller generates programmed logic sequences required for the operation ofanbsp;...
|Title||:||SPECIAL ELECTRICAL MACHINES|
|Publisher||:||PHI Learning Pvt. Ltd. - 2014-01-01|