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5.6 Selecting a Regenerative Resistor
5 -85
Voltage
Series
Allowable Frequencies in Regeneration Mode (r/min)
Capacity
Symbol
03
05
06
08
09
10
12
13
15
20
30
200 V
SGMAH
--
--
--
89
--
--
--
--
--
--
--
SGMPH
--
--
--
29
--
--
--
--
17
--
--
SGMGH-
j
A
j
A
--
34
--
--
13
--
--
10
--
12
8
SGMGH-
j
A
j
B
96
--
39
--
22
--
15
--
--
20
13
SGMSH
--
--
--
--
--
39
--
--
31
48
20
400 V
SGMGH
--
42
--
--
15
--
--
10
--
12
8
SGMSH
--
--
--
--
--
47
--
--
31
48
20
SGMUH
--
--
--
--
--
27
--
--
19
--
13
Voltage
Series
Allowable Frequencies in Regeneration Mode (r/min)
Capacity
Symbol
22
32
40
44
50
200 V
SGMGH-
j
A
j
A
--
--
--
11
--
SGMGH-
j
A
j
B
--
--
20
--
--
SGMSH
--
--
29
--
22
SGMDH
7
11
8
--
--
400 V
SGMGH
--
--
--
11
--
SGMSH
--
--
29
--
22
SGMUH
--
--
19
--
--
Speed reference
Servomotor rotation speed
Servomotor-generated torque
Load inertia = 0 (motor only)
Regeneration mode
T
(Operating cycle)
Allowable frequency = 1/T (r/min)
Maximum rotation speed
Maximum cycle
0
Maximum cycle
0
0
t
t
t
Figure 5.1
Operating Conditions for Allowable Regenerative Frequency Calcula-
tion
Use the following equation to calculate the allowable frequency for regeneration mode opera-
tion.
Allowable frequency
=
Allowable frequency for Servomotor only
(1
+
n)
×
Max. rotation speed
Rotation speed used
2
(r min)
5
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