Excellent points Barry! Reactive power still has losses related to the I^2*R of the entire transmission system, generator, lines, transformers and all! Just because most home power meters in America don't measure reactive power doesn't mean you should intentionally put more reactive power on the grid because you can get away with it.

It would be interesting if you added a PFC circuit after the SERPS and see if the losses are the same as they were before (plus a little bit more for the PFC and SERPS circuit losses). If not, then this may make the circuit more viable, but certainly not "OU."

Hi G4RR3ττ,I think several switching schemes would achieve the same end, and SERPS could be replicated by many experimenters without too many problems.

The main premise of SERPS is returning power to the generator... this concept holds water, as the power returned can be manifested as rotational energy. In this sense the generator and SERPS are a coupled system with improved power generation efficiency but not improved power distribution efficiency.
This concept lends itself to local power generation improvement, notwithstanding comments made about small generators.

Another line of thought would be how to use the concept in a solid state scheme, which would offer benefits for solar power generation performance. I mention this as Murray mentions using small toriods and high speed switching to replace the large input transformer.


Barry

I agree that the circuit converts restive loads into effectively reactive ones, and a generator can recover a portion of the returned electrical energy as mechanical momentum due to motor action, but does this really lend itself to a practical use for individuals? Utility companies may have uses for this concept in controlled applications, but they most certainly wouldn't want consumers adding harmonics and arbitrary amounts of reactive power for them to deal with--which is precisely why they charge for VAR use in industrial settings.

Imagine instead of using the grid to power the SERPS circuit
to have a 60 Hz sine oscillator that sees all the
reactive power coming back.

If you design this sine oscillator right, you would probably only need
2 Watts of input power for it , when delivering 50 Watts at the load as in the case
of the SERPS device demo.

Well at least in my simulations you need at least 5 to 10 times more peak power
as the consumed power, so for 50 Watts output I would need around 250 to 500 Watts
peak power that oscillates back and forces between the Serps and the sine oscillator
but in the end it could be that you only need 2 Watts to run this 60 Hz sine oscillator
from the battery it is feeded off.

Well must be a pretty powerful sine oscillator for sure with a good
storage capacity of the oscillating energy...

Utilities probably don´t like the SERPS circuit cause it puts a tremendous
surge on their lines and power transformers,
cause the lines must stand the high reactive power and the transformers
must be able to handle the big currents in it....and I^2xR losses..

So the only usefull setup for the SERPS unit will be a
standalone generator, who can handle the huge reactive power cycling back and forth
or a special 60 Hz sine oscillator as above described.

Regards, Stefan.

Once again the simulator will not allow me to set the switching arrangement required but this result shows 320W real for 831W reactive.

Barry

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