Nx Networks NX series user manual 2686, Power loss as function of switching frequency

Models: NX series

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5

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Installation

5.3 Power loss

5.3.1Power loss 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 output power reducing it according to the graphs below.

 

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[W]

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P

 

 

 

 

 

 

 

 

 

 

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0,00

 

 

 

 

 

 

 

 

 

0,00

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Switching frequency [kHz]

 

 

0003NX5 400V

 

0004NX5 400V

 

0005NX5 400V

 

 

 

0007NX5 400V

 

 

 

 

 

 

 

0009NX5 400V

 

0012NX5 400V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 5-7. Power loss as function of switching frequency; 0003…0012NX5

900,00

 

 

 

 

 

 

 

 

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P [W]

 

 

 

 

 

 

 

 

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0,00

 

 

 

 

 

 

 

 

0,00

2,00

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8,00

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Switching frequency [kHz]

 

 

 

0016NX5 400V

 

0016NX5 500V

 

0022NX5 400V

0022NX5 500V

 

 

 

 

 

0031NX5 400V

 

0031NX5 500V

 

 

 

 

 

 

 

 

 

 

Figure 5-8. Power loss as function of switching frequency; 0016…0031NX5

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Nx Networks NX series user manual 2686, Power loss as function of switching frequency