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Power losses, Power losses as function of switching frequency, 1 power losses as function of switching frequency – TREND NX Variable Speed Drives User Manual

Page 54: Installation vacon • 37, 3 power losses

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INSTALLATION

vacon • 37

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6

5.3 Power

losses

5.3.1

Power losses as function of switching frequency

If the operator wants to raise the switching frequency of the drive for some reason (typically e.g. in order to
reduce the motor noise), this inevitably affects the power losses and cooling requirements according to the
graphs below.

Figure 5-13. Power loss as function of switching frequency; 0003…0012NX5

Figure 5-14. Power loss as function of switching frequency; 0016…0031NX5

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Switching frequency [kHz]

P [W]

0003NX5 400V

0004NX5 400V

0005NX5 400V

0007NX5 400V

0009NX5 400V

0012NX5 400V

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Switching frequency [kHz]

P [

W

]

0016NX5 400V

0016NX5 500V

0022NX5 400V

0022NX5 500V

0031NX5 400V

0031NX5 500V