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5.4.4
Selecting an application class
Application class
Standard Drive Control
Dynamic Drive Control
Properties
● Typical settling time after a speed change:
100 ms … 200 ms
● Typical settling time after a load surge: 500 ms
6SHHG
/RDG
0RWRU
WRUTXH
W
W
W
PV
● Standard Drive Control is suitable for the
following requirements:
– Motor power ratings < 45 kW
– Ramp-up time 0 → rated speed (depending
on the motor power rating):
1 s (0.1 kW) … 10 s (45 kW)
– Applications with steady load torque without
load surges
● Standard Drive Control is insensitive with
respect to imprecise setting of the motor data
● Typical settling time after a speed change:
< 100 ms
● Typical settling time after a load surge: 200 ms
6SHHG
/RDG
0RWRU
WRUTXH
W
W
PV
● Dynamic Drive Control controls and limits the
motor torque
● Torque accuracy that can be achieved: ± 5% for
15% … 100% of the rated speed
● We recommend Dynamic Drive Control for the
following applications:
– Motor power ratings > 11 kW
– For load surges of 10% … >100% of the
rated motor torque
● Dynamic Drive Control is necessary for a ramp-
up time 0 → rated speed (dependent on the rated
motor power): < 1 s (0.1 kW) … < 10 s (132 kW).
Application ex‐
amples
● Pumps, fans, and compressors with flow
characteristic
● Pumps and compressors with displacement
machines
Motors that can
be operated
Induction motors
Induction and synchronous motors
Max. output fre‐
quency
550 Hz
240 Hz
Torque control
Without torque control
Speed control with lower-level torque control
Commissioning
● Unlike "Dynamic Drive Control," no speed
controller needs to be set
● Compared with the "EXPERT" setting:
– Simplified commissioning using predefined
motor data
– Reduced number of parameters
● Standard Drive Control is preset for converters
of frame size A … frame size C
● Fewer parameters compared with the
"EXPERT" setting
● Dynamic Drive Control is preset for converters
of frame size D … frame size F
Commissioning
5.4 Quick commissioning using the BOP-2 operator panel
SINAMICS G120XA converter
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
113
Содержание SINAMICS G120XA
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Страница 104: ...Wiring 4 2 Control interfaces SINAMICS G120XA converter 102 Operating Instructions 03 2019 FW V1 0 A5E44751205B AB ...
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