power saver

What is it? Do you have a web link you can share, or a description of the gizmo? How much money are they asking for? (That will help determine if it is worth the money) If it saves 10 Kwh per year at a cost 10 cents/Kwh and the gizmo costs $100 then the pay back is 100 years and you should not bother. To answer your question requires know expected power savings, expected power cost, and the cost of what ever it is.

Beware of scam artists selling energy savers. There are at least two US-based companies that I am aware of who are selling a $2 power-factor correction capacitor in a fancy box for an outrageous price with the promise of "up to 25% savings". In reality, their products will make no measurable difference to the domestic power account, and the people selling them are nothing but rip-off artists. To make their claims seem more credible, they lay down lots of astroturf - false product endorsements from "satisfied customers" who are actually employees of the company selling the products.

Remember - you can only save power that is being wasted.

Can anybody please tell me, how power saver actually saves power?

Power saver I have seen is mainly supposed to save energy consumption of induction motors.It reduces the voltage by sensing the load current so that no load loses come down .It does have effect on variable load application but on steady loads no aprreciable savings could be achieved.I tend to agree with view of all those who have already answered.

Does that mean, if I have a fridge, A/C, Washing machine, then there is a chance of saving power?

Does that mean, if I have a fridge, A/C, Washing machine, then there is a chance of saving power?

I think so, but never used.

http://www.intellidynellc.com/02_prods.htm

---best, czes

Fridge and Air conditioner of course yes.Washing machine I doubt whether it could be appreciable.But I was not referring to the domestic application.My experince is limited to trying out a few of this in Industrial applications.

In reality, most "power saver" reduce the current drawn by the motor by correcting its power factor. You only save the losses that this "bad" power factor current would have produced between your meter and the location of the "power saver". This is usually fractions of one percent and is not worth the effort. Clean up the evaporator coil at the back of the fridge and you will save much more energy.

They don't. "Power Savers" when demonstrated can "demonstrate" a shift in the power factor, because they are nothing more than an induction coil in parellel with a large capacitor. Your utility electric meter, however is not effected in any way. Like all shell games - the mark is you and the bucks you shell out to the "Power Saver" sales folks.

Corollaboy4,

Do not waste your money on this product, it is a scam.

The marketers of this device claim it will correct your home's power factor. I have no doubt the device does just that; however, this is only a benefit from the electric service provider's perspective and has absolutely no effect on the power that your home consumes. The meter at your service entrance measures only real power and does not care what your power factor is (does not measure VARs).

Let me know if you need further explanation.

I thought the best power saving device was judicious use of the O-N and O-F-F switches.