Re: AW: Re: Aw: Re: [EVGRAY] Ferroresonance amplified by piezoelectric elements

Body

Sven,

Anytime one adds more capacitors Q drops as ESR increases so it works
better if one can use the piezo for both functions, if possible.  Many
capacitors are also piezoelectric materials such as the mica and COG. 
Lower frequencies do not matter as much.


On 10/2/2018 12:12 PM, SF [email protected] [EVGRAY] wrote:
>  
>
> Hi Mick, so I could try in addition to the caps piezo elements for
> this purpose to turn, there is there an increase of the q value or did
> you only with piezo worked?
>
>
>
> Von meinem Samsung Gerät gesendet.
>
>
> -------- Ursprüngliche Nachricht --------
> Von: "Mick [email protected] [EVGRAY]" <[email protected]>
> Datum: 02.10.18 18:00 (GMT+01:00)
> An: [email protected]
> Betreff: Re: Aw: Re: [EVGRAY] Ferroresonance amplified by
> piezoelectric elements
>
>  
>
> Hi Sven
>
> Yes I have used the little piezo transformers and have also used disks
> in a tank circuit acting as the capacitance.   On the transformers I
> was able to get the most gain by using sine waves as they like a clean
> signal without distortion components being of high Q at the designed
> frequency. Something I need to get back to in order to determine more
> facts.
>
>
> On 10/2/2018 5:37 AM, [email protected] [EVGRAY] wrote:
>>  
>> Hello Mick,
>>
>> Many thanks for the hints, unfortunately I can not find distribution
>> in Germany or I have to search again.
>>
>> Have you ever included piezo elements in a reactive circuit?
>>
>> regards
>>
>> Sven
>>  
>> *Gesendet:* Montag, 01. Oktober 2018 um 21:01 Uhr
>> *Von:* "Mick [email protected] [EVGRAY]" <[email protected]>
>> *An:* [email protected]
>> *Betreff:* Re: [EVGRAY] Ferroresonance amplified by piezoelectric
>> elements
>>  
>>
>>  
>>
>> Sven
>>
>> Have a look here:
>>
>> http://steminc.com/
>>
>> http://iopscience.iop.org/article/10.7567/JJAP.55.086702
>>
>>  
>> On 10/1/2018 7:57 AM, [email protected] [EVGRAY] wrote:
>>
>>      
>>
>>     Hello everyone, is it possible to use resonant capacitors in the
>>     case of FR transformer in addition to switching piezo elements in
>>     parallel or do the thin elements hold over 400V?
>>
>>     The MRA of Norman works with a large piezo element, unfortunately
>>     I can not get something like this or I search wrong via google.
>>
>>     regards
>>
>>     Sven
>>
>>  
>>
>>  
>>
>
>