Siemens simovert masterdrives, Справочник

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Engineering Information 06.2005
6SE7087-6QX70 (Version AE) Siemens AG
11-42
Compendium Motion Control SIMOVERT MASTERDRIVES
P
Mot
0.6 s 0.3 s 0.6 s
0.6 s 0.3 s 0.6 s
7 s
Lifting Lowering
t
4.97 kW
3.44 kW
1.91 kW
-1.22 kW
-2.52 kW
-3.81 kW
Negative area corresponds to regenerative
operation
Fig. 11-22 Curve of motor power output for lifting and lowering
♦
The maximum DC link current during motor operation during
acceleration upwards is as follows:
I
P
U
Link Inv
Mot
Mot Inv Line
max
max
.
=
⋅ ⋅ ⋅ η η
135
=
⋅ ⋅ ⋅
=
4970
0 89 0 98 135 400
10 55
. . .
. A
♦
The mean power output of the motor during motor operation is
calculated from the positive characteristic of the motor power output
as follows:
P
P P
t
T
Mot mean
Mot A Mot E
i
=
+
⋅
∑
2
∆
=
⋅ ⋅ + ⋅ + ⋅ ⋅
=
1
2
4 97 0 6 3 44 0 3
1
2
191 0 6
7
0 442
. . . . . .
. kW
♦
The mean DC link current is therefore:
I
P
U
Link mean
Mot mean
Mot Inv Line
=
⋅ ⋅ ⋅ η η
135 .
=
⋅ ⋅ ⋅
=
442
0 89 0 98 135 400
0 938
. . .
. A