Electrical Experts - Question re. Capacitor installation
glenahan at vfemail.net
Wed Oct 31 11:37:12 PDT 2007
LL - NY wrote:
> A cap installed in a series in a DC circuit will not pass
> current until the circuit is actually shut down. It MUST
> be wired in parallel to be used as a part of a filter system
> for a DC power source. Choke Coils, OTOH should be
> installed in-line (series).
> The idea for both devices is to make the DC that goes
> to the head unit (or amp) more DC like, as they act as
> dampers to voltage (and by I = V/R) and current fluctuations.
> That being said, when we broke down one of our Magnetizers
> at work, I took a HUGE (as in 1.2 Farad) cap from the machine
> to use as a filter on my 4KQ's rear amp. It was meant for
> huge currents (around 200 Amps) at voltages well above
> automotive use (120V). Net filtering effect. Virtually nothing.
> LL - NY
> On 10/31/07, Ben Swann <benswann at verizon.net> wrote:
>> I found this article to be helpful and shows the concept I was referring
>> It looks like installing in parallel is OK, just need to be careful about
>> charging and discharging.
>> From: Ben Swann [mailto:benswann at verizon.net]
>> Sent: Wednesday, October 31, 2007 8:24 AM
>> To: quattro at audifans.com; 'URQ'
>> Cc: 'Ben Swann'
>> Subject: Electrical Experts - Question re. Capacitor installation
>> Something new to my realm of expertise.
>> I would like to install an electrolytic capacitor to act as a buffer for
>> an ignition
>> system - sort of like placing a second battery up close to the
>> load.. Since the
>> distance of the battery to the coil is about 7-8' and my understanding
>> that a circuit
>> may lag, it seems installing a large capacitor might be a good idea. If
>> so, it makes
>> sense that I'd install it in parallel with respect to feed wire and
>> ground, however
>> diagrams for most stereo AMP installations show the cap to be inline, with
>> no other
>> current path to the amp.
>> Is it OK to install an electrolytic cap. as sort of a buffer or quick
>> batteryin parallel with the circuit? That is basically to connect the
>> positive end to
>> battery post near load and ground as normal, leaving the original positive
>> feed path
>> intact. I have some 1 and 2 Farad caps and this is mainly to prevent lag
>> at high RPM,
>> similar to stereo clipping at high volume.
>> Good Idea or ??? I'm doing some searches, but not finding a solid answer.
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