[Oeva-list] OT: Real or Scam? Electricity Saver

patrick0101 at gmail.com patrick0101 at gmail.com
Tue Jul 15 15:02:33 PDT 2008


I got a new meter last year when the solar panels were installed.  Anyone
know how I could get the PF info from it?

On Tue, Jul 15, 2008 at 1:36 PM, <bob at research13.com> wrote:

> Meters haven't changed much since 1888.  You probably also know smart
> meters are coming and there are some pilot programs.  The PUCs are
> encouraging smart meters to give customers more knowledge and opportunities
> for programs to manage loads (both personal and system/utility-wide).
>
> The new solid state meters can measure "power factor" and other things -
> "real time" measurements and linear measurements along with the ability to
> get a more accurate bill without a meter reader.  Perhaps our utilities
> should look into financing these "power factor" devices to help reduce "peak
> demand."  It seems like the pilot program smart meters should be able to
> provide the averages of potential savings already (anyone reading have
> access to this data?).  It also would give people feed back if they were
> part of a "time of use" program which typically offers lower rates in the
> evening when you might want to charge your EV.
>
> The California "rolling black outs" were caused by peak demand issues.  We
> have not had hot weather sufficient enough to test the "system" in a while.
> Global warming suggests more peak demand challenges are coming. The smart
> meters would allow utilities to communicate with or "shut off" the
> biggest consumers and have the biggest impact in lessening peak demand.
>
> If this "electricity saver" really works -- How about this for a tag line
> "Give up your family joules and save" ... Lord, I apologize for that last
> pun....
>
> Bob
>
> -----Original Message-----
> *From:* Tim Kutscha [mailto:tim_kutscha at yahoo.com]
> *Sent:* Tuesday, July 15, 2008 12:31 PM
> *To:* patrick0101 at gmail.com, 'oeva'
> *Subject:* Re: [Oeva-list] OT: Real or Scam? Electricity Saver
>
>    Hi Patrick,
>
> It looks like this device does "power factor correction" (PFC) for
> inductive loads.  See the following:
>
> http://en.wikipedia.org/wiki/Power_factor_correction
>
> As far as your electric bill, I believe the power company charges large
> customers like industry based on their power factor (PF), especially if it
> is less than 1.  For residential (home) customers, I've read that the power
> company doesn't care about PFC and charges people the same, whether their
> load is power factor corrected or not.  I'm guessing the electric meters
> used to measure the power factor are more expensive.
>
> Because many battery chargers for EVs are switching power supplies, they
> should have power factor correction to maximize the current they can pull
> from the wall.  I think this is why the chargers from Manzanita Micro are
> called PFC-20/30/etc...
>
> Cheers,
> Tim
>
> ----- Original Message ----
> From: "patrick0101 at gmail.com" <patrick0101 at gmail.com>
> To: oeva <oeva-list at oeva.org>
> Sent: Tuesday, July 15, 2008 11:31:20 AM
> Subject: [Oeva-list] OT: Real or Scam? Electricity Saver
>
>
> Have any of you seen or used something like this?  Do you know if it works
> as advertised. I could not find it on snopes.
>
> http://www.power-save1200.com/cbs46
> http://www.power-save1200.com/1200.html
>
> From their FAQ
>
> *How Does the Power-Save Unit Work?*
>> The Power-Save reduces the amount of power drawn from the utility by
>> storing (in its capacitors) otherwise lost electricity (watts) caused by the
>> inductive motors in your home. (Some examples of inductive motors are Air
>> Conditioning units, refrigerators, freezers, washers, dryers, dishwashers,
>> pool pumps, vacuum cleaners, furnace blower motors, fans etc.) The
>> technology applied by the Power-Save 1200™ Unit supplies that stored
>> electricity back to your inductive loads, thus causing you to decrease your
>> demand from the utility. If you decrease your demand from the utility, your
>> meter slows down, and you use less electricity. The thought is, you've
>> already paid for that electricity, why pay for it and waste it when you can
>> pay for it, store it, and reuse it again. This whole process is called power
>> factor optimization.
>>
>
>
> Regards,
> Pat
> Sunlight will never cost $4/gallon
>
>


-- 
Regards,
Pat
Sunlight will never cost $4/gallon
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