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jinxnao
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189 hz Detuned Harmonic Filter

06/12/2013 7:17 AM

Can anyone how is this value obtained ? Why a % 7 detuning factor is selected usually? or when do we need to select % 5, 69 hz filters?

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jinxnao
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#1

Re: 189 hz Detuned Harmonic Filter

06/12/2013 8:35 AM

I wonder if a 189 hz filter design is optimum for 220 volt as well ? Or is this suitable for only 480 volt systems?

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lyn
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#2

Re: 189 hz Detuned Harmonic Filter

06/12/2013 9:05 AM

"or when do we need to select % 5, 69 hz filters?"

When 7 is too much, or not enough?
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RAMConsult
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#3

Re: 189 hz Detuned Harmonic Filter

06/12/2013 2:05 PM

All you have to do is Google on the title of your thread, plenty of answers on the first page, 310,000 more if that isn't enough.

"...capacitor banks with detuned filters have been designed for power compensation purposes in networks with fluctuating load levels, a high content of harmonics and where there is a risk of resonance. Power variations are relatively slow (in seconds) so that the switching operations are carried out with contactors..."

I have to assume that one of these manufacturers can answer your question, otherwise if you want more info keep on reading.

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