Appendix
A.1 Description of terms
1FT7 Synchronous Motors
Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
243
Optimum operating point
Operating point at which the maximum continuous output of the motor is normally provided
at high efficiency (see figure below).
6SHHG
6SHHG
6SHHG
ˤ
1
1
1
0
3
RSW
Q
2SWLPXPRSHUDWLQJSRLQW
7RUTXH
0
(IILFLHQF\
RSW
3
ˤ
2XWSXW
SRZHU
Figure A-1 Optimum operating point
Optimum power P
opt
Power achieved at the optimum speed.
The rated speed is the optimum speed (see optimum speed), the optimum power
corresponds to the rated power.
Optimum speed n
opt
Speed at which the optimum motor power is output.
If the rated speed is less than the optimum speed, the rated speed is output.
Rated converter current I
N conv
RMS converter output current (per phase) that can be supplied on a continuing basis by the
recommended motor module The recommended motor module is selected such that I
N conv
is
greater than the stall current I
0 (100K)
.
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