Solar Power

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Like this...

The solar inverter output voltage should match the grid voltage, whether it be directly or through the use of a transformer (generally for step-up applications where the grid voltage is in the kV range and the generated power is in the high kW to MW range).

Please consult the appropriate solar inverter supplier website for more details.

Can you please suggest me some sites for the reference. .Thanx a alot. .

I have gone through some sites which says

• System Voltage – 590V

• Maximum DC current per circuit – 400A

• Output AC Grid Voltage – 400/460V

• Output AC Operating Current – 460A

Can you please explain significance of the above terms?

If the panel output voltage were less than the system voltage, then current would not flow from the panel to the system.

Reference site.

Thanks a lot for that!! :) :D

The DC input and AC output parameters you have mentioned are just limiting and operational voltage and current limits and ranges that this specific solar inverter can handle.

Try the following sites first for a better understanding of solar inverters designed for grid-tie connection, I think that is what you are after

http://en.wikipedia.org/wiki/Solar_inverter

http://en.wikipedia.org/wiki/Grid_tie_inverter

http://en.wikipedia.org/wiki/Grid-tied_electrical_system

An internet search of "solar inverter" or "grid solar inverter" produces numerous sites which cover the concept basics such as the following....

http://www.backwoodshome.com/articles2/yago89.html

http://www.mrsolar.com/page/MSOS/CTGY/ce

etc.

I want to know whether we can feed power that we got from solar arrays (After DC to AC conversion) directly to the grid that is coming at our home?

or there is some regulation that it has to be first Step Up and then it can be fed to Grid..
like 11kV or something?

The answer is 'possibly' as it depends on local electricity regulations (both government and energy provider).

Yes, you can feed back into the grid directly onto the single or three phase supply from your home without the need to step up to 11kV (or other similar distribution voltage) as long as you are using a suitable grid-tie inverter, BUT you may not be allowed to legally or you may be allowed to but the energy provider (power companies) may not pay you for any power you provide back into the grid.

It is best to consult your local energy provider website and local government website regarding this as regulations and requirements vary from country to country (and in some cases from state to state). Additionally a local supplier (if any, you don't mention what country and/or state you are in) of this grid-tie solar equipment should be able to advise you.