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Tuesday, September 3, 2013

Does the Power-Save 1200 really lower your monthly energy bill?...for your philippine electrical concerns...needs...installation...orders...safeelectrical2013@gmail.com


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Answers
Answer from SpartanCaver
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Answer from Past President of Ga. Hospital Engineers Society


I have read the report on the "Operation of the ABET - 2201 Power Conditioning Unit" published by the Department of Electrical Engineering, Santa Clara University. This technology has been around for sometime, but not at residential level. The Department of Energy promotes reducing power factor. This will lower the electrical meter reading a higher power factor and reduce your electrical bill. Now the question is, by how much? The company website says up to 25%. The demonstration does show a reduction of up to 1/2 the amperage, and an improvement on the power factor. This could equate up to 25%. I did not do the math... But may I point out, that is a reduction of 25% of the one motor that was being tested, not your entire electric bill... In fact, the Power Unit does nothing to reduce the power consumption of incandescent lighting, TV, Radio, Computer, Printer, Fax Machine, Electrical Heaters... These are a different kind of electrical load than power units handle. But the power consumption of your dishwasher motor, your washing machine motor, your A/C - or heat pump only motors, your furnace fan motor, will have a reduction of electrical consumption of up to 25%. Depending on your electrical consumption, total electric or partial, you should see a reduction I would only guess of 10% off the bill. Given that your total electrical consumption is not just in motors running, but a lot goes into lighting, and heaters. Even the dishwasher dry cycle is an electrical element. So too the electric water heater. These loads are pretty heavy... So lets say you will save 10% on a monthly bill of $200 = $20 over 12 months = $240.00 then add the cost of the unit & installation to see how long it will take to recover your cost... It will also save some on the wear and tear of sudden start up of the electric motor. Extending the life of the moter probably another year. You can add replacement of the motor to the savings. BUT most motors will last longer than the other working parts of the appliance. In other words, you will replace the dishwasher or washing machine before the motor wears out, even without the power unit.... And the unit I saw does not neatly fit next to an electrical panel... If you have a circuit breaker panel in the hallway, this unit would be like nailing a bird house to the wall in size... You might consider installing it in a attic, nearby closet, or crawlspace or basement.
And do not attemp to install this yourself... If you do and things go wrong, your homeowners policy might not cover the results...
In short, I am saying, yes you will see a lower power bill, But I am not rushing out to buy one.
Good Luck
Let Amazon know if this was a great or lame answer and vote.
Sources: Spartan Caver Says:

Answer from Maroongirl
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Some say it's a scam, as this site does


If this is the [Power-Saver 1200 you were referring to then don't waste your money. All the unit does is reduce the reactance (watt-less power) of the load. It is just a variable capacitor to correct the power factor due to inductive loads. In the video they use an amp-meter when they should have used a power meter. You cannot measure AC power with an amp-meter because you need to know the phase angle between the voltage and current. The only energy you will save with this unit will be the IR losses in the wire, which should be insignificant. There are two graphs and an explanation of power factor here from a previous thread.

Sources: http://www.debunkers.org/ubb/Forum18/HTML/000527.html

Answer from AmPat
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Yes, but probably not enough to ever pay for it in a typical household.


Here is the technical description; skip this paragraph if you don’t really care HOW it works.
The electric meter on your house measures the current you use, and the voltage you use, multiplies the two together arithmetically and comes up with a ’watts used’ figure.  The trouble with this is, it is not a TRUE figure, because except in purely resistave loads (incandescent lights, heater strips, etc.), the time of peak voltage is NOT the time of peak current!  That means that the wattage your meter reads is not your TRUE power, but only the APPARENT power used.  This not a rip-off by the electric company, because this draw of power in an ’out of phase’ condition causes them several problems which they must compensate for.  The typical home has two kinds of loads; resistive and inductive.  The resistive is cool, but the inductive is the one that causes this problem.  What this device does is ’shift’, via the use of capacitors, the inductive load back so it is ’in phase’, and thus reflects your TRUE power usage.  That means your meter reads TRUE power, and your electric utility has no problems either.  The difference between a mixed load and a purely resistive load is represented as 'power factor', in which unity is perfectly resistive.

OK, will it save on your electric bill?
Almost certainly, it will save SOMETHING.
Will you see a 25% reduction?
No way!
Your home electric usage would have to be virtually ALL inductive loads (motors, transformers, etc) that are NOT energy star compliant, NOR power factor corrected internally to see any kind of saving like this.

You would be better off replacing your incandescent lights with fluorescent and turning your thermostat down a couple degrees in the winter and up a couple degrees in the summer; you would save more money that way than with any gizmo like this.

Don’t get me wrong; the device WILL work -
I was an electrician in a steel mill in IL for ten years, and am quite familiar with power-factor correction.  We had an arc furnace that melted the steel, and that baby used a TON of electric power, ALL an inductive load.  We had a HUGE version of this device called a Synchronous Capacitor to compensate for this.  When the Synchronous Capacitor went down one time, they shut the mill down rather than run the furnace without it - it saved that much on the electric bill!
But your home is NOTHING like this, and in virtually all cases this device will not save enough to pay for itself in it’s useful lifetime.
Sources: Journeyman Electrician, heavy industrial and Electronic qualifications.
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No, not the Charles Atlas kind of Power Factor, but the Nichola Tesla kind!

Answer from Chip2
It works for me and I've saved thousands of dollars in just three years. Yep...I'm not going to type this over and over so here is a recent post copy and paste.
Chip2 says:

09/09/2009 at 11:56 am

here are my KWH results since installation. My savings are at the high end (close to 40% last month).

http://img.photobucket.com/albums/v203/mcennis3/Cleco-Comparison.jpg

As expected, savings are greater during the summer with AC running.
House is 2375sf with poor insulation/old appliances (windows, doors, freezer, frig, central A/C, wall/attic insulation, etc.).
It would easily cost around $20,000 to upgrade so $300 (plus $60 installation) for the PowerSave1200 was a no brainer (with money back guarantee). The higher the cost per KwH, the bigger the savings.
A few points…KwH $ varies so I speak in Kwh terms vs. dollars when comparing previous year. Looks like approx. 7500 KwH will be
saved the first year. Electrical bill is now similar to friends’ energy efficient homes in neighborhood.
If you have great insulation/energy star appliances/triple pane windows, etc. don’t expect to see such savings.

Someone posted that they saved KwH (but not money) over same month last year so they didn’t think PS1200 worked.
I would guess the price per KwH changed over previous billing.

Others have mentioned that the PS1200 “stores” energy to be used later. Don’t confuse this with batteries.

“Capacitor is a device that STORES energy in the electric field established between a pair of
conductors on which equal but opposite electric charges have been induced.”

check links at bottom of this site.
http://www.iaqdirect.com/Main/Products/Power_Save/ps_faq.htm.

It is absolutely useless to try and time a few cycles with a stopwatch and extrapolate it over a month (yes, I tried too!).
You can check it at the same time daily but even then there can be a huge difference (electric water heater, running dishwasher, etc.)

Other benefits…

With a 40″ HDTV, 2 computers, 3 monitors running at the same time my small office would get very hot.
Now, no noticable difference between office and other rooms.

The central A/C use to sound like a shotgun going off when starting and ran very loud. Since PS1200 I can barely hear it, starts with a purr.

Built in home surge protection.

I noticed that those that don't believe in this technology say that PF and amps do not matter because the home bill is measured in watts or kilowatts. Here is a video showing the watts savings using a similar device.

http://www.youtube.com/watch?v=dPFKcUxbNuQ&feature=results_main&playnext=1&list=PLFBB05BC34CFA9473

Hope this helped



Comments on this question:

Maroongirl, that forum is saying things that are just plain wrong. This device has nothing whatsoever to do with saving "resistance losses", but only corrects your power factor so you are not paying for watts that you are not really using; APPARENT power instead of REAL power.
The device is not a scam, not a con, but a legitimate device that CAN save money in some cases: If your electrical power usage is heavily inductive (motors, transformers, coils) that have NOT ALREADY been Power Factor Corrected as many old style (magnetic) fluorescent ballasts have been.
If you are in a normal household, and the majority of your heavy-use appliances are 'energy star' compliant, this thing will not save enough to pay for itself in it's useful lifetime.


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