What is an Armature Winding? Armature winding can be defined as, an electrical machine in which emf can be generated because of the air gap field flux. It must be noted that the air gap is produced because of the DC current flow in the winding. In general, this winding is housed on slots of the stator & the field winding on rotor slots. The dc motor armature winding diagram is shown below. LAP WINDING Figure from Principles of Electric Machines and Power Electronics, 2ndEdition, P.C. Sen, John Wiley and Sons, 1997. Figure represents an unrolled lap winding of a dc armature, along with the commutator segments (bars) and stationary brushes. Coils are added in series until the end of the last coil joins the beginning of the first coil. COIL WINDING CAPSTAN TENSION DEVICE MODEL No. 4901 The Tension Device is a rotary tension unit, which provides well regulated and easily adjusted wire tension. One of these multiple spools or machines. Dimensions 10"L x 5"W x 11"H Net Weight 4 Lbs. Gross Weight 7 lbs. A CE Equipment Company 4725 Manufacturing Road Cleveland, Ohio 44135 [PDF] CS8083 Multi-core Architectures and Programming MCQ Multi Choice Questions, Lecture… IT8076 Software Testing Lecture Notes, Books, Important Part-A 2 Marks Questions… 2 Synchronous Machine Armature Windings 2.1 Winding Types b SB SC SA FB FC FA SB b V S N S N + _ + + + _ _ _ SB SA SC FB FA FC (a) (b) Figure 8: Concentrated three-phase,half-coil wave winding with one slot per phase(one coil side per slot and instantaneous polarity and phase relation of coils) A three phase winding, in extremely simplified Field Winding is the winding in which the main field flux is produced when the current through the winding is passed. Some of the basic terms related to the Armature Winding are defined as follows: Turn: A turn consists of two conductors connected to one end by an end connector. Coil: A coil is formed by connecting several turns in the series. Armature winding in an electrical machine is that winding which carries the load current. In other words, it can also be defined as the winding in which emf is generated due to air gap field flux. It should be noted here that, air gap flux or working flux is produced due to flow of DC current in the field winding. Contact Us. For any queries regarding the NPTEL website, availability of courses or issues in accessing courses, please contact . NPTEL Administrator, Basically armature winding of a DC machine is wound by one of the two methods, lap winding wave winding. The difference between these two is merely due to the end connections and commutator connections of the conductor. To know how armature winding is done, it is essential to know the following terminologies - These electromagnetic coil winding machine offers variety of machinery options. This makes it efficient to wind coils for motors, transformers, solenoids and other types of industrial electronic equipment. Famous ACE Coil Winding System with Safety Enclosure as Seen Below ACE Equipment: Leading Transformer Winding Machine Manufacturers Some of the terms common to armature windings are described below: 1. Conductor. A length of wire which takes active part in the energy- conversion process is a called a conductor. 2. Turn. One turn consists of two conductors. 3. Coil. One coil may consist of any number of turns. 4. Coil -side. 1 Lap & Wave Winding The armature winding is the most important part of the rotating machine. It is the place where energy conversion takes