[Milsurplus] Ferro regulated PS for dyno spinner?

[Richard]

Ah!  A new problem I didn't know I had.  Thanks all.

Richard, AA1P

On 09/05/2014 06:24 PM, WA5CAB--- via Milsurplus wrote:
> Richard,
>
> I have two PP-1104/G, although one is just a spare.  When I got the first
> one, I had to replace one of the SCR's.  But otherwise, it runs as Mike
> describes.  I have never bogged it down.
>
> P.S., the BC-1306 manual will ship tomorrow.
>
> Robert Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
>
> In a message dated 09/05/2014 15:49:53 PM Central Daylight Time,
> aaf-radio-1 at aafradio.org writes:
>> I was thinking of the PP-1104C/G when I wrote the reply, Richard - I
>> have a pair for the flight deck.  I never had the problem you describe
>> with the ART-13 dynamotors, and it even starts a big 95 amp 28v 400~
>> inverter with ease.  Perhaps some checkout is in order?
>>
>> On 9/5/2014 4:41 PM, Richard wrote:
>>> The answer is; maybe.  I have a PP-1104C/G power supply rated 11.5 to
>>> 17.5 volts at 100 amps and 28 to 35 volts at 50 amps, 6% regulation at
>>> 14 volts and 4% at 28 volts.  It has ferromagnetic feedback.  It
>>> starts and runs the 800-1 inverter for the TBW transmitter fine, (55
>>> amps at 28 volts key-down) but starting the ART-13 dynamotor results
>>> in chattering contactors and relays.  For battery charging or booster
>>> battery it would need a reverse current relay or blocking diode.
>>>
>>> Richard, AA1P
> ______________________________________________________________
>