12.1 Servomotor Capacity Selection Examples
12-9
12
(c) SERVOPACKs with Capacities of 6.0 kW or More
SERVOPACKs with capacities of 6.0 kW or more do not have built-in regenerative resistors. The following
table shows the allowable regenerative frequencies when the JUSP-RA04 or JUSP-RA05 regenerative resis-
tor is used together with an applicable SERVOPACK.
The servomotor driven conditions and the conversion equation of the allowable regenerative frequencies to
the rotation speed and load moment of inertia are the same as the (b) SERVOPACKs with Capacities of 500 W
to 5.0 kW.
(2) Calculating the Regenerative Energy
This section shows the procedure for calculating the regenerative resistor capacity when acceleration and decel-
eration operation is as shown in the following diagram.
Voltage
Series Allowable Frequencies in Regenerative Mode (times/min)
Capacity
Symbol
55 75 1A 1E
200 V
SGMGH-AA
26 36 36 32
SGMGH-AB
44 −−−
Rotation speed
Motor torque
T
L
: Load torque
t
D
0
0
Regenerative
torque
N
M
: Motor rotation speed
T
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