'Field current' presentation slideshows

DC and AC Motor Drives

DC and AC Motor Drives. Introduction: DC Motor Drives. Direct current (dc) motors have variable characteristics and are used extensively in variable-speed drives. DC motors can provide a high starting torque and it is also possible to obtain speed control over a wide range.

802 views • 38 slides

DC GENERATORS

Fundamental of Electrical Engineering. DC GENERATORS. Semester II 09/10. Fundamental of Electrical Engineering. DC generators : dc machines used as generator. Five major types of dc generators, classified according to the manner in which their field flux is produced:.

991 views • 31 slides

DC GENERATORS

Fundamental of Electrical Engineering. DC GENERATORS. Fundamental of Electrical Engineering. DC generators : dc machines used as generator. Five major types of dc generators, classified according to the manner in which their field flux is produced:.

340 views • 31 slides

271 views • 26 slides

ENERGY CONVERSION ONE (Course 25741)

552 views • 25 slides

Chapter 5. Synchronous Machines

Chapter 5. Synchronous Machines. Introduction. Unlike induction machines, the rotating air gap field and the rotor in the synchronous machine rotate at the same speed, called the synchronous speed.

312 views • 17 slides

Induced emf Developed torque Magnetization curve

SEE 3433 ELECTRICAL MACHINES. Induced emf Developed torque Magnetization curve. + e a ?. v. Induced emf. Regardless of operation, emf is always induced in armature circuit when there is rotation.

276 views • 15 slides