pwm

  <p><font color="#000080"><strong>Example 1:&nbsp;&nbsp;&nbsp;</strong> Effect of fitting a Filter and Choke to a Three Phase System&#46;<br /></font><font color="#000080" size="3"><strong><br /></strong></font><font color="#000080">The results above show typical interference from an unfiltered three phase inverter&#46; Trace 1 shows the improvement when an RS 3100-IDF filter and RS - OC / 2 choke were fitted to a laser fabric cutting machine which was required to meet the EN 50081-2 &quot;Industrial&quot; limits&#46; Trace 2 is of an automated bottling machine fitted with an RS 3040-IDF filter and RS - OC / 1 choke&#46;</font></p><p><img height="335" alt="emc_filper&#46;gif (9317 bytes)" src="http://www&#46;mikrokontrol&#46;co&#46;yu/sysdrive/images/emc/emc_filper&#46;gif" width="632" /></p>

jeck555

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