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35
Chapter
Chapter
Chapter
Chapter4
4
4
4.
.
.
. Inverter Operation
Inverter Operation
Inverter Operation
Inverter Operation
N5000 INSTRUCTION MAN
N5000 INSTRUCTION MAN
N5000 INSTRUCTION MAN
N5000 INSTRUCTION MANUAL
UAL
UAL
UAL
[Reference 1]
Relationship between acceleration, deceleration time and output frequency
Set values of acceleration and deceleration time are the time durations to reach base frequency
from 0Hz and 0Hz from the base frequency. Therefore, real acceleration/deceleration time is
smaller than the set value when the commanding frequency is smaller than the base frequency.
[EXAMPLE]
• Base frequency: 60 Hz,
• Current output frequency: 0Hz,
• Commanding frequency: 40 Hz,
• Acceleration time: 30[Sec],
• Deceleration time: 30[Sec]
time
on
accelerati
frequency
base
frequency
output
current
frequency
commanded
time
on
accelerati
real
×
−
=
Therefore, real acceleration time is 20[Sec].