Download Fundamentals of Electromagnetism: Magnetic Fields, Flux, and Circuits and more Summaries Electric Machines in PDF only on Docsity!
SElectroMogne bim Basics:
" Magnetic^ Field:^ Regjisn^ aland^ a^
mgnet wheae^ magnetin^ Gets.
" Magnetie^ Flux:^ Anant^ of^ greh^ feb Orodued^ by^ afoace
Magnete Flux^ Danrity:^
Amaant ot^ fur^ oa^ nr^
olure.
B- A OMagnetomotive Fokce^ (MME):^ The^ Dretsse^ which setr ao^ fux^ io
Magnetic circw't is cae d 'Magnetermotve Folce
F NI^ N-^ Na^
tuns -Cusnen
Elec tricas Machines
" keluctana:^ 00o^ hon^ ottered^
yamagpethe crwt^ to^ fhe
prodution tts
· The mogn
" Fasodus^ Laut:^ "An^ induced^ EME^ is^ establied whereva^ heaet
a chonge^ in^
flux hhed^
wit
tude of^ induce^ d EMES rodse^ henal^ to^ he Jate of^ chonge^ of flux^ oked ii^ t^ he^ co
Self Inductone :
:-ldILN¢
dt (^) I MMF : Ndo a NI Col. " Mtual Irductnce
Freld strerg^ th:^ MHEpa^ nt^
leng th: He
OElectricat Machine. Static
Troni tome
K DC Machiness
" Armatue
Windings :
DC Genectss V¢ DL Mot DC
rinaple: Fasadays^ laut^ ot^ EMI.
Statsa
.z.N
60 XA
Powea dedojed : ,I,
* Seo.^ excited^
DD Genercdot:
’Lap Windrq: he 2ends of a cal ce omected to adyacent
Cornmutoto segment, Itigh cwsent los voltage No. paalel paths (A)- Na.cf oles ’ Wave Wnding:A conducto t ne Dole is Coneted at the bud te acon du cto which occupes on cmott cohe rdng tion unde the hext^ ote^ of^ s9gotte^ plt^ low^ casot^ H¡h lólase
Covets Mechonicas^ Enelgy^
to Electriad^ Enesgu
Rotating
Rotot DCGenea alo If AC Ac Genesats 60 Inducton Moto No.ot faaled paths (A)= 2
3 Tncluc^ thion^ Motos
Its otot^ oltawns^
laver through^ inductn^
insfecd
con duc th on. If s a cost ncd
used moto^ in^ indstie.
te peaphery.^ The^ Jlots^
ontan conductts^ Ccnnecect
ethei
Roter :- Sairel^ Cae^ :T^ consith^ t^
a kaincte^ d^ Cylndis
los anfhnee The slots^ contan Conducte^ ahh s^ Jhofed by short cIcw tng ng !. CoRe. Phase Gund/sip kig: Consiit ot a lominaded rcwcal Dynchron ous Sord (N;)= l2ofso G). N-N Ng
Trnsomea: I s a sate device that it cyed fo
from ene cht tonothes. I4 Conits ot 2 cwndngr wond on
Se clue^ eddy^ Caient^
lots
a
-The coe mutt hove hrgh u to jet yo strng fpetli with lo MMF. -T shald hare ow hystoesi coeto't
magneti
N-Ny Isolaton
Ue windings^ ae,^ made^ good^
conducting element
Jhe cooes^ A^ alunin^ un Ng- Primcay^ uinding,^ N-Secondony^ winding N7 NË - S:-E1] NË7^ N,-^ Steg Dom Na E, N
444N, dmf
Ey :^ 444N,^ Aryt
