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Connecting a GEK to the grid


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#21 oldchuck

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Posted 03 October 2009 - 01:13 PM

Sounds like a pretty cool setup, jpoteet. I'd be very interested to know how you plan to set up a GEK to run a diesel.

#22 Fendel

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Posted 17 October 2011 - 10:42 PM

Here in Brazil the concessionaries dont know the assyncronous generation, and so we must make the instalations withoth permission.
An automatik coil breaker is sufficient to make and attempt all safety real needs.
All must be descentralised

#23 Sparker

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Posted 27 April 2012 - 07:47 PM

I've been mulling this idea over for a long time.  My dilemma was where to start.  I want to be off grid.  To be off grid, one needs a power source (if one wants power).  A gasifier hooked to a generator is a good source of power, but who wants to run a generator all the time?  Furthermore, an AC generator needs to be running all the time at operating speed.  There's no standby.

So I came upon DC generators by Polar Power.  DC generators can run at low power, idling not producing power, quickly to throttle up when the need arises.  To make power, they simply increase RPMs until voltage rises above battery voltage.  How to transition, use a grid interactive inverter set like Outback.  They have islanding capabilities.

This is the project I'm working on.  Gasifier back-up generator to charge batteries, inverters feeding the grid (if necessary for the time being) as I slowly add solar and wind capacity.  The goal is for the gasifier being used only a few times a month when the batteries reach low levels.  There are plenty of homebrew ideas to get this going.  I have plans for a voltage regulator to control a car alternator.

Everybody would do well to get more familiar with the DC generation options.  I believe in the end DC is a better solution for the issues of the downsides of AC power.  It's also a good idea to keep interest natural gas specific diesel conversion engines like the Power Pallet's Kubota and Polar Power's Daihatsu for durability sake.




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