Electric motor handbook

... of Motor There are many ways in which electric motors may be categorized or classified. Some of these are presented below and in Fig. 2.1. 2.1.1 AC and DC One way of classifying electric motors ... website. Fundamentals of Electromagnetic Forces and Loss Mechanisms Electric Motors 5 Chapter 2 contains a more complete description of the terminology of electric motors and more fully c...

Ngày tải lên: 30/12/2013, 21:47

... the electric motor. The engine- generator set can be used not only to charge the battery but, bypassing the battery it can power the electric motor. In the parallel hybrid, the electric motor, ... synchronous motor. Confusion can arise from such an allusion, for by this implied definition, such motors are supposed to run at the speed of their 6 Practical Electric Motor Han...

Ngày tải lên: 09/03/2014, 17:20

... the stator winding is the armature, or electrical power input element. (In dc and Universal motors, this is reversed, with the armature contained on the rotor.) In most electrical machines, the rotor ... 1997, “Rotating Electrical Machines, Part 9, “Noise Limits.” n IEC 34–12, 1980, “Rotating Electrical Machines, Part 12: Starting Performance of Single-speed, Three-phase Cage Induction Motors...

Ngày tải lên: 26/01/2014, 08:20

... which the overloads are located. 2 MOTOR STARTING All motors must have a control device to start and stop the motor called a motor controller”. Motor Controller A motor controller is the actual ... Area Amperage Time Motor Current Draw Motor Running Current Starting In-Rush Current Overload Protection Overload protection is installed in the motor circuit and/or motor to prote...

Ngày tải lên: 13/05/2014, 11:23

... ( SECTION 3: DC MOTORS AND GENERATORS ; SECTION 6: SINGLE - PHASE MOTORS ; SECTION 10: ELECTRIC - POWER NETWORKS ; SECTION 13: SHORT - CIRCUIT COMPUTATIONS ) Ilic, Marija Senior Research Scientist, Electrical ... wattmeter circuit. PREFACE The Handbook of Electric Power Calculations provides detailed step-by-step calculation procedures commonly encountered in electrical engineering....

Ngày tải lên: 30/12/2013, 22:13

... useful as a handbook and/or resource book that can be kept handy to review specificpoints. Theoreticians/researchers who are looking for the mathematical background of transients in electric circuits ... classical approach of tran- sient analysis. 1.2 APPEARANCE OF TRANSIENTS IN ELECTRICAL CIRCUITS In the analysis of an electrical system (as in any physical system),wemust distinguish betwe...

Ngày tải lên: 31/12/2013, 22:30

... on reactive power with BLDC for Electric Vehicle Application. Index Terms— BLDC motor; Electric vehicle; field- weakening; reactive power; I. INTRODUCTION The electric vehicle(EV) is the cleanenergy ... Comparison of Three Different Motor Types for Electric Vehicle Application. Proc. of the 12th International Electric 440 Fig. 2. Chart of field-weakening vector control of BLDC m...

Ngày tải lên: 03/01/2014, 19:47

... Sim Waukesha Electric Systems Scott H. Digby Waukesha Electric Systems Dudley L. Galloway ABB Power T&D Company Dan Mulkey Pacific Gas & Electric Co. Paulette A. Payne Potomac Electric Power ... Haupert TJ/H2b Analytical Services, Inc. Shirish P. Mehta Waukesha Electric Systems William R. Henning Waukesha Electric Systems Alan Oswalt Waukesha Electric Systems Philip J. Ho...

Ngày tải lên: 05/03/2014, 16:20

... composite insulators: Simulation by electrical tests, IEEE Trans. on Power Delivery, 5(3), 1558-1567, July, 1990. Fink, D.G. and Beaty, H.W., Standard Handbook for Electrical Engineers, 11th ed., ... Transmission and Distribution George G. Karady The purpose of the electric transmission system is the interconnection of the electric energy producing power plants or generating stations wi...

Ngày tải lên: 05/03/2014, 16:20

... Sliding contacts with appropriate electric field shields are provided at the enclosure and the conductor. A “maintenance” ground switch is operated either manually or by motor drive to close or open ... the internal surfaces and out of the solid dielectric materials (IEEE Std. 1125-1993). Small conducting particles of mm size significantly reduce the dielectric strength of SF6 gas. This eff...

Ngày tải lên: 21/03/2014, 12:12