Siemens EF 79 Series Uživatelský manuál stáhnout pdf (Strana 23)

20.03.2015 BJJ

Page 27 Author / Department

Output components

Sine-wave filter

A sine-wave filter limits the voltage gradient and the

capacitive re-charging currents that generally occur at

the motor terminals for inverter operation.

The sine-wave filter at the inverter output supplies almost

sinusoidal voltage at the motor. As a consequence,

standard motors without special cable can be used.

• Operation permissible at pulse frequencies of 4 kHz

up to 8 kHz (sine-wave filter from 160 kW and higher,

only for 4 kHz)

• A power reduction (derating) of 5 % must be taken

into consideration when selecting a suitable inverter

• The output frequency is limited to 150 Hz

• Sine-wave filters can be used with the following Power

Modules

• PM230 FS D-F

• PM240 FS D-GX

• PM250

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Siemens EF 79 Series Uživatelský manuál Strana 23