GridTek 10 inverters [RE-wrenches]

[William Bryce]

I use the HoBo logger with a split core AC current sensor.   As David 
has stated the inverter likes to shutdown without reason sometimes.  The 
HoBo allows me to troubleshoot the problem over several days.  For an 
example, I had one install were the turbine and inverter was located at 
the barn 800' away from the home and power service.  When the turbine 
started making over 9 KW it would shutdown.  I installed a HoBo at each 
end of the  4/0 au line. Found that when the current got to high at the 
inverter end,  it would shutdown.  We figured that the line was damaged 
underground (rock damaged the insulation and the au wire oxidized over 
the years?) and that caused higher resistance and the voltage would rise 
on that leg.  It did not rise at the House / service end of the line.  
We replaced the 4/0 feed cable and that solved the problem.  The HoBo is 
cheap and easy to use.

When it comes to the GridTek 10 inverter, your best bet is to bypass 
Bergey and contact  direct to Trace, My contact is the lead at the 
Gridtek 10  technical Dept  and is a great guy to deal with. Because 
this list is public, I won't post his name and number but I would be 
happy to give it to any installer. Feel free to contact me off list if 
you need it.


David  

As for your problem, it is common.  I probably have a Fix for you if you 
will contact me off list.  wlbryce at direcpc.com.  The GridTek is 
undergoing a redesign as I type, and will be out this summer. 

Logan

Pine Ridge Products
www.pineridgeproducts.com
Certified Bergey windpower Dealer/Installer

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