PV Inverters module strings [RE-wrenches] [RE-wren

[Carl Emerson]

Joel Davidson wrote:

> PV systems must be engineered properly. Engineering one system at a time is
> inefficient and a marketplace bottleneck. Wise PV module and inverter manufacturers
> will let the world know how to use their equipment with all of the popular brands.
>

Attempting to sell equipment without individual, on site, design resulted in our
country being littered with systems that didn't work properly.
This gave the industry a bad name.

Yes, the systems have to be engineered properly.
Yes, they have to be engineered one system at a time.
Yes, the market will be 'retarded',  ....but the systems will work.
Yes, we need information on the popular brands, I have dug this out at some
considerable individual cost and that is why potential clients seek me out as a
consultant.

Market forces vs. System integrity...  this tension needs to be carefully managed to
maintain an honest industry.

There is a case for saying that grid inter tied PV needs less engineering than remote
stand alone RE systems. I find in this area the client demands similar accuracy when it
comes to performance predictions.


Carl Emerson
Manager
FREEPOWER LTD.  "Harnessing Natural Energy"  Auckland, NEW ZEALAND.


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