158 Commander SE Advanced User Guide
Issue Number: 4
Step 4
= 97uH
Step 5
Use x = 0.05
= 2.18mH
Step 6
194uH < 2.18mH so any value in this range is acceptable. Use 2mH to minimise the heating of the thermal relays.
Step 7
P = 258W
This is excessive, so reduce the switching frequency to 3kHz giving 129W.
= 129W
Step 8
0.2πf
o(max)
LIn
2
= 16W so heating would be excessive.
R = 161Ω so use 150Ω or 180Ω with a power rating 150W.
Drive set-up
The Commander SE should be set up into fixed boost mode when operated in a multi-motor application. Set parameter 5.14
= 2 and perform a save routine. The boost level parameter 5.15 may need adjusting depending on the size of the motors.
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