[Milsurplus] 400 Hz Static Inverter

[Paul Kraemer]

Good luck finding one with schematics!
All surface mount propritary stuff
KB Electronics makes some that look a bit simpler and on the analog 
side---they may be more willing to share info than most out there.
Paul K0UYA
----- Original Message ----- 
From: "Francesco Ledda" <frledda at att.net>
To: <jfor at quikus.com>; "'KD7JYK DM09'" <kd7jyk at earthlink.net>
Cc: <milsurplus at mailman.qth.net>
Sent: Sunday, April 29, 2012 8:55 PM
Subject: Re: [Milsurplus] 400 Hz Static Inverter


> Has anyone tried one of those AC/AC converters for motor control? They are
> pretty cheap and can go up to 1000Hz.
>
> -----Original Message-----
> From: milsurplus-bounces at mailman.qth.net
> [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of J. Forster
> Sent: Sunday, April 29, 2012 11:41 AM
> To: KD7JYK DM09
> Cc: milsurplus at mailman.qth.net
> Subject: Re: [Milsurplus] 400 Hz Static Inverter
>
> Yes. That's exactly what I'm considering, but I'd like to find a 
> brand/model
> that is known to be modifyable. Prints would be a real bonus.
>
> -John
>
> =================
>
>
>> : In looking for a static inverted to output about 500 Watts of 400
>> Hz, it
>> : ocurred to me that it might be possible to modify a current 60 Hz
>> inverted
>> : for 400 (or 800-2400) Hz.
>>
>> In the late 90's, people started modifying the inexpensive 60 Hz
>> invertors from auto parts stores to 400 Hz by changing two capacitors.
>>
>> Kurt
>>
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>
>
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