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Old 7th June 2003, 03:10 PM   #1
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Default Power factor reaction of CLC of CRC filter

What is the reaction of the power factor with a CLC or CRC filter?

With a normal C filter the current flow from the mains will look like spikes, instead of a normal sine wave because there can only flow current if U(cap) < U(source).
How will this look like with a CLC or CRC filter?
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Old 7th June 2003, 03:17 PM   #2
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in laymans terms a filter smoothes out spikes that you may see through a scope etc....I always have found that any P/s is better with a preloaded (resistive) design...my choice has always been a LC design...but thats my preference and it works for me

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Old 7th June 2003, 03:44 PM   #3
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The peak current through the diodes is less and lasts for a slightly longer period of time. This puts less stress on the diodes and the first capacitor.
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Old 7th June 2003, 04:35 PM   #4
grataku is offline grataku  United States
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Default Re: Power factor reaction of CLC of CRC filter

Quote:
Originally posted by Wes Marquenie
What is the reaction of the power factor with a CLC or CRC filter?

With a normal C filter the current flow from the mains will look like spikes, instead of a normal sine wave because there can only flow current if U(cap) &lt; U(source).
How will this look like with a CLC or CRC filter?
Without hurting anyone's feelings may I suggest the use of the Duncan amp PS simulation program? It's free, easy and works well.
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Old 7th June 2003, 11:33 PM   #5
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Grataku....where may we find this program...I`d like to give it a go???
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Old 8th June 2003, 01:13 AM   #6
grataku is offline grataku  United States
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http://www.duncanamps.com/psud2/index.html
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Old 9th June 2003, 06:58 PM   #7
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Both types will improve the power factor. I believe the CLC
type will do it with somewhat greater efficiency.
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