




















Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Three-phase systems can produce rotating field without special control. • Three phase generator produce more power than single phase one with the same volume. • ...
Typology: Study notes
1 / 28
This page cannot be seen from the preview
Don't miss anything!
Anouar Belahcen
Anouar Belahcen
Anouar Belahcen
a
a -400 0 0.01 0.02 0.03 0.04 0.05 0.
0
100
200
300
400
Time (s)
induced voltage (V)
ea
-400 0 0.01 0.02 0.03 0.04 0.05 0.
0
100
200
300
400
Time (s)
induced voltage (V)
e ea b
-400 0 0.01 0.02 0.03 0.04 0.05 0.
0
100
200
300
400
Time (s)
induced voltage (V)
e ea ebc
S N
Anouar Belahcen
N S ݁
Z
Z
Z
vaa (^) ´ < ea <Vmax cos( ϖ t)
vbb (^) ´ < eb < Vmax cos( ϖ t, 120 )↓
´ max max
cos( 240 ) cc c cos( 120 ) v e V t V t
ϖ ϖ
Anouar Belahcen
݁
Anouar Belahcen
Line-to-line voltage= Pääjännitte
Anouar Belahcen
Anouar Belahcen
V an < Vbn < Vcn <Vph
Van < Vph∉ ↓ 0 Vbn < Vph∉ , 120 ↓ Vcn < Vph∉ 120 ↓
Anouar Belahcen
V bc < Vbn ,Vcn 120 120 3 90
bc ph ph ph
V ca < Vcn ,Van 120 0 3 150
ca ph ph ph
V ab < Van ,Vbn 0 120 3 30
ab ph ph ph
Vll < 3 Vph
Anouar Belahcen
Anouar Belahcen
Anouar Belahcen
Connection
Anouar Belahcen
Anouar Belahcen