Hawkins Electrical Guide v. 02 (of 10)

Hawkins Electrical Guide v. 02 (of 10) - Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications

Preliminary considerationswinding diagrams and winding tableslap and wave windingangular pitch or spread of drum coilsparallel or lap windingseries or wave windingdouble-windingsSiemens windingobjection to Siemens windingchord windingmultiplex windingsnumber of brushes requirednumber of armature circuitsequalizer ringsdrum winding requirements. Current distribution in ring and drum armaturesconnection of brushesvariation of voltage around the commutatorcross magnetization; field distortionremedies for field distortionangle of leaddemagnetizing effect of armature reactioneffect of leadeddy currents; laminationremedy for eddy currentsmagnetic drag on the armaturesmooth and slotted armaturescomparison of smooth and slotted armaturesmagnetic hysteresis in armature corescore loss or iron lossdead turnsfriction. 4 Partsshaftcoreslotted corecore laminationscore boltsattachment to shaftinsulation of core discsteethadvantages and defects of slotted armaturesslotted cores; built up constructionventilationinsulation of corearmature windingsconstruction of inductorsobjection to copper barsvarious windings: hand windingevolute or butterfly windingconnectorsbarrel windingbastard windingformer windingformer coilspeculiarity of evolute coil"straight out" coilcoil retaining devicesdriving horns. Definitionprinciplespropelling dragessential requirements of constructionthe reverse electromotive forcehydraulic analogyaction of current supplied to motorarmature reaction in motorsmethod of starting a motor classes of motor; series, shunt, and compoundpower of a motorbrake horse powermutual relations of motor torque and speedspeed regulationseries parallel controllerinterpole motors. 5 ......Buy Now (To Read More)

Product details

Ebook Number: 48846
Author: Hawkins, N. (Nehemiah)
Release Date: May 2, 2015
Format: eBook
Language: English