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Title: Esso, Hounddawg, Anyone, Does this product work?
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URL Source: http://www.saferwholesale.com/product-p/save%20on%20electric.htm
Published: Dec 24, 2008
Author: n
Post Date: 2008-12-24 15:35:01 by christine
Keywords: None
Views: 803
Comments: 32
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Begin Trace Mode for Comment # 30.
#6. To: christine (#0)
(Edited)
Not for you, but maybe for the power company. It might correct the power factor if it's sized properly and reduce the apparent Wattage being used by you, but your electric meter measures actual Wattage which is lower. For example: A 100 Watt equivalent CFL bulb draws 23 Watts, but the apparent Wattage is about 45 Watts. Your electric meter bills you for the 23 Watts. Usually, if the power factor is out of whack on a circuit, the electric company will install capacitors on a pole to correct it to save them money. Edit: The only time you have to worry about power factor is when you generate your own power with a generator or UPS. Most UPSs are rated in apparent power or VA (volts x amps).
The product in question seems to be an implementation of a device which was written about by John A. Kuecken in his book "Alternative Energy Products for the 1990's" which was published in 1991. In order for the device to efficiently perform Power Factor Correction over a range of conditions it would be microprocessor controlled, contain a phase detector to monitor reactive current on the line, and a sophisticated switching arrangement to place capacitance across the line incrementally in order to cancel load current phase shifting by inductive loads/appliances. Because home watt-hour meters respond only to the Apparent Power vector, rather than the True Power vector; by Power Factor correction it is possible to eliminate the Reactive Current component which causes the meter to sense more power (Apparent) than is actually (True) being used by motor driven appliances. They do indeed work and will reduce the power consumption of the average homes' number one load, the refrigerator/s. If you use a lot of motor driven tools in your home, in addition to your refrigerator, then you could potentially save a considerable amount on your electrical bills. Money back guarantees are always nice.
That's not correct. I could never get an answer from the electric company as to exactly what their meters measured, so I bought some reconditioned & calibrated mechanical electric meters to test. I used my electronic Wattmeter (which measures W, VA, PF, RMS V, kWh) to check the meters with a known resistive load to check meter calibration. I then tested the meters with various inductive devices and in every case the electric meters registered the true power, not the apparent power. On a meter with a Kh of 7.2 you can determine Wattage by dividing 25920 by the number of seconds it takes the disc in the meter to rotate one time. I don't know what the new electronic meters are measuring, but the clockwork type electric meters measure true power.
The only way to assure that your observations are truly the case is to monitor 'power' consumption with a pure capacitive load, and again with a pure inductive load. Should the aluminum disc rotate only very, very slowly (essentially non-responsive) with a substantial purely reactive current (very low Power Factor), then your electro-mechanical meter would be capable of registering 'true power.' Your test results are very interesting and we all appreciate your providing your determinations.
There are no replies to Comment # 30. End Trace Mode for Comment # 30.
Top • Page Up • Full Thread • Page Down • Bottom/LatestDoes this product work?
#10. To: Esso, Christine, All (#6)
It might correct the power factor if it's sized properly and reduce the apparent Wattage being used by you, but your electric meter measures actual Wattage which is lower.
#12. To: SCPO Blackshoe Retired (#10)
(Edited)
Because home watt-hour meters respond only to the Apparent Power vector, rather than the True Power vector;
#30. To: Esso (#12)
I then tested the meters with various inductive devices and in every case the electric meters registered the true power, not the apparent power.
Replies to Comment # 30.