Siemens simovert masterdrives, Справочник

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Engineering Information 06.2005
6SE7087-6QX70 (Version AE) Siemens AG
11-30
Compendium Motion Control SIMOVERT MASTERDRIVES
M
Mot
31.03 Nm
3.21 Nm
-19.83 Nm
0.25 s 1 s 0.25 s
3.5 s
t
Fig. 11-15 Torque characteristic for forwards travel
♦
The effective motor torque is obtained from the torque characteristic
as follows:
M
M t
T
eff
Mot i i
=
⋅
′
∑
2
∆
=
⋅ + ⋅ + ⋅
=
3103 0 25 3 21 1 19 83 0 25
3 5
10
2 2 2
. . . . .
.
Nm
♦
By using the travel curve, which is proportional to the speed, the
mean motor speed is obtained:
n
n n
t
T
mean
A E
i
=
+
⋅
′
∑
2
∆
=
⋅ + ⋅ + ⋅
=
2182 7
2
0 25 2182 7 1
2182 7
2
0 25
3 5
779 5
.
. .
.
.
.
. rpm