Delta CT2000 Series, Руководство пользователя, Страница: 375 / 634

Chapter 12 Description of Parameter Settings

CT2000 Series
12.2-00-13
 Pr00-11=7 IPM Sensorless
Flow chart of adjustment when starting up with light duty
Frequ en cy comma nd setting
Star t running
Running stably
until u p above th e switching
frequency
Running on high
frequency the output
,
fr eq uency i s s tab le
or not
Test with load
Decrease the system
inertia(11-01 )/
Current vi brates ex tremely o r oc
dur ing the w eitc ing p rocess
Increase the estimated
wid th 10 32
( - )/
Output frequency wav es or
di verges subs tantially
Has output frequency but the m otor
is stalled
H igh frequenc y spur on output
frequency
Re ach the high est
outp ut fr eq ue ncy o r not
Incre ase t he e stimated w idth
( 10 -3 2) /
No
Motor los es s peed on t he
hi ghes t s peed
The di recti on is
right or no t when i t
starts r unn ing
Raise initial angle p ulse
width (10 -42)
The s tart-up di rection i s wrong
and c aus e oc A
Inrus h c urrent is too high duri ng
press ing RU N (ocA)
Yes
(higher than s witchi ng f requenc y)
Lower initial a ng le pulse
width ( 1 0- 42)
Yes
Yes
Decre ase ASR1 ( 11 03)
-
Incre ase the estimated
width(1 0-32)/
Incre ase the switch po in t
(10-39)
Yes
Incr ease the syste m
in ertia 11 01
( - )
Decr ea se th e e stima ted
width 10 3 2
( - ) /
De cre ase th e syste m
inertia 11 0 1
( - )
Incre ase t he wa ve ca rr ie r
frequency(00-17 )
Incre ase PM s en sor le ss
observer low-p ass fi lter ga in
( 10 -3 4)