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10-24
10.4.6 Motor runs unbalanced
N O
Y E S
N O
N O
Y E S
N O
Y E S
Y E S
N O
O c c u rs d u rin g
a c c e le ra tio n ?
M o to r r u n s u n b a la n c e d
Is th e a c c e le ra tio n
tim e s e t c o rre c tly ?
A re th e o u tp u t v o lta g e s
b e tw e e n U -V ,V -W ,W -U
b a la n c e d ?
Is th e lo a d flu c tu a tin g ?
A n y m e c h a n ic a l v ib ra tio n o r
g e a r b a c k la s h ?
In c re a s e th e A c c / D e c tim e
R e d u c e th e lo a d o r in c re a s e s iz e
o f th e in v e rte r a n d th e m o to r.
In v e rte r fa u lts
R e d u c e th e lo a d flu c tu a tio n
o r a d d a fly w h e e l.
In s p e c t m e c h a n ic s o f th e
s y s te m
IN V fa u lts
Y E S