[time-nuts] The home time-lab

Bob Camp kb8tq at n1k.org
Fri Jul 8 22:12:53 EDT 2016


If you try this, be very careful with the voltage at the junction of the L and the C.


> On Jul 8, 2016, at 9:52 PM, David <davidwhess at gmail.com> wrote:
> I wonder how well a pair of high voltage transformers wired back to
> back with a 60 Hz series resonate LC circuit between them would work
> for removing power line glitches.  They wouldn't do anything for
> voltage regulation unlike a constant voltage transformer though.  Time
> to break out a couple of plate transformers and try it I guess.
> On Fri, 8 Jul 2016 10:18:03 -0700, you wrote:
>> Hi Bob:
>> A resonate transformer may solve your problem.  I added one to my first computer, See Fig 1.
>> http://www.prc68.com/I/comp.shtml#SWTP
>> http://www.prc68.com/I/Images/SWTP-01b.jpg
>> The oval shaped silver can oil capacitor is connected to a winding on the transformer and resonates at 60 Hz.  Think of 
>> it as a filter centered at 60 Hz and as an energy storage device.
>> This removes line spikes and fills in narrow line drop outs.
>> https://en.wikipedia.org/wiki/Voltage_regulator#Constant-voltage_transformer
>> Here are models with capacities of: 300, 600, 1200 & 1800 VA:
>> http://www.hammondmfg.com/CVR.htm
>> Just search for "Constant-voltage transformer".
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