Delta CT2000 Series User Manual page 375

Chapter 12 Description of Parameter SettingsCT2000 Series
 Pr00-11=7 IPM Sensorless
Flow chart of adjustment when starting up with light duty
Rai se i ni tia l an gl e p ul se
wid th ( 10 -4 2)
The s tart -up di rection i s wrong
and c aus e oc A
Decr ea se th e syste m
in er tia (11- 01 )/
De cre ase AS R1 ( 11 0 3)
Current vi brates ex tremely o r oc
dur ing the w eitc ing p rocess
Incr ea se th e e stima ted
wid th 10 32
( -
Incr ea se th e syste m
in er tia 11 01
( -
Output frequency wav es or
di verges subs tant ially
In cre ase t he e stima ted w id th
( 10 -3 2) /
In cre ase t he wa ve ca rr ie r
fr eq ue ncy( 00 -17 )
In cre ase P M s en sor le ss
o bse rve r l ow-p ass fi l ter g a in
( 10 -3 4)
Motor los es s peed on t he
hi ghes t s peed
Fre qu en cy comma nd se ttin g
(higher than s wit chi ng f requenc y)
-
u nti l u p a bo ve th e swi tchi ng
)/
)
fr eq ue ncy
No
o utp ut fr eq ue ncy o r n ot
S tar t ru nn in g
The di recti on is
r ig ht o r no t whe n i t
star ts r u nn in g
Yes
Run ni ng stab ly
fr eq ue ncy
Yes
Ru nn in g o n h ig h
th e o utpu t
,
fr eq ue ncy i s s tab le
o r n ot
Yes
Re ach the hi gh est
Yes
Te st with lo ad
12.2-00-13
L owe r i ni tia l a ng le p u lse
wi dth ( 1 0- 42 )
Inrus h c urrent is t oo high duri ng
press ing RU N (ocA)
In cre ase th e e stima ted
wi dth (1 0-3 2) /
In cre ase the switch p o in t
( 10 -3 9)
Has output f requency but the m otor
is stalled
Decr ea se th e e stima ted
wid th 10 3 2
( - ) /
De cre ase th e syste m
i ne rti a 11 0 1
( - )
H igh frequenc y spur on output
frequency