Search results with tag "Armature winding"
A Textbook of Electrical Technology Vol. 2 - Theraja
www.kurratul.weebly.comArmature Windings —Bushes and Bearings— Pole-pi Winding Element—Coil-span or Coi I-pitch—Pitch of a Winding —Hack Pi Pitch— Resultant Pitch— Commutator Pitch—Single- Winding — Two-layer Winding—Degree of Re-entrancy of an Armature Winding—Multiples Winding—Lap and Wave Winding—Sim-
CHAPTER 11
pages.mtu.eduThe rotor contains the armature winding, which is the high-power winding of the DC machine. The slots in the lamination provide space for the armature coil. When operating as a generator, the armature winding is rotated through the field, generating a DC voltage that is delivered to the load. For motor operation, the armature winding
II. Synchronous Generators
www.uotechnology.edu.iqArmature Reaction in Synchronous Machines . Armature reaction. refers to • the influence on the magnetic field in the air gap when the phase windings a, b, and c on the stator are connected across a load. • The flux produced by the armature winding reacts with the flux set up by the poles on the rotor, causing the total flux to change.
CNC- Computer Numeric Control - IIT Kanpur
home.iitk.ac.inThe principle of operation is based on the rotation of an armature winding in a permanently energized magnetic field. The armature winding is connected to a commutator, which is a cylinder of insulated copper segments mounted on the shaft. DC current is passed to the commutator through carbon brushes, which are connected to the machine
Control of Electric Vehicle - IntechOpen
cdn.intechopen.comwinding resistance respectively; V is the input voltage, as the control input; Laf is the mutual inductance between the armature winding and the field winding, generally non-linear due to saturation; J is the inertia of the motor, includ ing the gearing system and the tyres; B is the
Synchronous Machines
www.iitp.ac.inIStator (armature) is connected to a three phase AC supply. IRotor ( eld winding) is connected to a DC supply. Unlike three phase induction motors and DC motors, synchronous motors are not self-starting. let us consider a 4-pole synchronous machine. IWhen the three phase armature winding (stator) is supplied with a three phase balanced supply ...
AC Electrical Generators - Brown University
www.brown.eduwell the armature winding of a generator is cooled has a significant influence on the overall size of a synchronous generator. The cooling of the armature winding is dependent on a number of factors: cooling medium (air, hydrogen, water); insulation thickness; and overall electrical losses (1 2 R + load loss). As Figure 5 illustrates,
Synchronous Machines
www.courses.ece.vt.eduAs the rotor moves within the stator, the field induces voltage in the armature winding of the machine. This voltage is called the generated voltage in a generator and the back EMF in a motor. Its magnitude is directly proportional to the speed of the rotor, the strength of the field, and the effective turns of the armature.
COMPETENCY BASED CURRICULUM ELECTRICIAN
www.cstaricalcutta.gov.inMay do armature winding, draw wires and cables and do simple cable jointing. May operate, attend and maintain electrical motors, pumps etc. Electrical Fitter; fits and assembles electrical machinery and equipment such as motors, transformers, generators, switchgears, fans etc., Studies drawings and wiring diagrams of ...