On Thursday 23 June 2016 14:03:09 you wrote:
> BTW, i am now preparing for first tests on ULF, the range between 0.3
> ... 3 kHz. Tests on 2970 Hz have started. This is a completely new
> league. 2970 Hz is almost 100x 'harder' than 8270 Hz. It is not easy to
> generate a high voltage on my wire on that frequency. Transformers
> saturate and i need 6.1 H of inductance! 


HI Stefan

I suggest neon sign transformer

https://en.wikipedia.org/wiki/Neon-sign_transformer

15 kV and 50 mA at 50-60 Hz but I don't know what happen at 3 kHz.

73 de Claudio ik2pii

 
 
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