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Forum Index : Windmills : pure sine wave inverter

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joyt12k

Regular Member

Joined: 12/05/2009
Location: Australia
Posts: 49

Posted: 10:16am 04 Jul 2009

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If I connect a F&P wind generator to a 1200watt pure
sine wave inverter and then to an existing power point,
what would happen? take into account that 1kw of solar panels are being fed into the grid.
Most of my wind is at night when only the fridge and standby equipment is being used.

jasmine

sPuDd

Senior Member

Joined: 10/07/2007
Location: Australia
Posts: 251

Posted: 10:49am 04 Jul 2009

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The wind gen needs to be fed across a battery bank or the voltage will rise and smoke the inverter.

Inverter connection to an existing power point is illegal, lethal and will smoke the inverter.

Not sure what the solar has to do with it.

sPuDd..

It should work ...in theory

Tinker

Guru

Joined: 07/11/2007
Location: Australia
Posts: 1904

Posted: 02:53pm 04 Jul 2009

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sPuDd mentioned what will happen, in case you wonder why:

The AC frequencies need to be in sync before you can connect two AC sources together. There is no easy way to do that with a pure sine wave inverter unless it was specifically designed for that (grid connection).

Klaus

joyt12k

Regular Member

Joined: 12/05/2009
Location: Australia
Posts: 49

Posted: 04:04am 05 Jul 2009

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Thanks for the info. Because the solar panels connect to the grid, I thought, what I was thinking of doing might try to connect with the grid and blow up.
I have decided to buy a TC48 for$599 insted and connect to the existing inverter. Thanks very much.

jasmine

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