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Forum Index : Electronics : BigOzInverter
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gpalterpower Senior Member  Joined: 19/07/2009 Location: AustraliaPosts: 175 |
Thanks Madness, Ill check that out. looking forward to the Arduino post. Marcus if it aint broke dont fix it!! |
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Madness Guru  Joined: 08/10/2011 Location: AustraliaPosts: 2498 |
Here you go Marcus Building Voltage Regulator There are only 10 types of people in the world: those who understand binary, and those who don't. |
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| Mulver Senior Member Joined: 27/02/2017 Location: AustraliaPosts: 160 |
Hi All I have spent the last 2 months reading everything I can do regarding the Ozinverter, including the 120 plus pages on another site. I have ordered and received the book from Clockman thanks!! I should have ordered the PCB’s but at the time I planned on buying the PJ Power Board, now I think I will build the whole thing. I have 4 old Areosharps and 2 x 3kw Aerosharp toroids as well. The kids are enjoying helping me unwind them !!! Cheap labour and education !! Clockman do you sell just the PCB’s??? Oz (my new idol) if you were building from scratch would you still use a dedicated charge controller to float and equalise your battery’s? My thoughts are with a Battery bank, Ozinveter and Grid Ties you can cover most of your usage and its all simple, but as proven the GTI’s drop off as the battery voltage rises. Yourself and others have already invested in solar charge controllers but what would you suggest if you had to begin again with your current knowledge? I was wondering if you could build a dedicated Ozinverter and connect to a separate smaller Toroid with slightly higher voltage primary winding, connected to a dedicated GTI to this inverter say 1 or 2kw. This in my head would allow you to back charge to a higher DC voltage. Cheers Shane |
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Clockmanfr Guru Joined: 23/10/2015 Location: FrancePosts: 429 |
Hi Mulver/Shane, As you already have the OzInverter Book and the Supplement info, Yes, I can sell and send you the 3 PCB's The Power Board is A4 size and special double copper thickness, the Ozcontrol and the Double OzCooling PCB's fit neatly on top of the A4 Power board for packing. Postage is a pain at nearly $20, so sorry that will be the only extra cost. The 3 PCB's (same price as the 2nd option price) £43 GBP and £16 GBP for P+P .... Total £59 GBP. I trust this helps. Regards Solar chargers, I use mine, 5kW PV, to finish float the batteries once there bulk charging is completed with the back charging through the OzInverter with the GTI's. 'Oztules' has been utilising LED power supplies as the basis for a Solar Controller, and I see what he is doing. I have some LED power units on Order from Allibaba! so I will begin another RE project shortly and do another small booklet etc. Everything is possible, just give me time. 3 HughP's 3.7m Wind T's (14 years). 5kW PV on 3 Trackers, (10 yrs). 21kW PV AC coupled SH GTI's. OzInverter created Grid. 1300ah 48v. |
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oztules Guru Joined: 26/07/2007 Location: AustraliaPosts: 1686 |
Shane.... I'm just a hack... remember that. I don't use charge controllers as such, just a very big? pwm controller that gets all the solar panel inputs, and controls the voltage to whatever I set for the day... from 54 to 60v.. I control that. Normally left in the 56-57v range, with excursions up and down from there... I have FLA batteries, and will for the forseeable future. They are tough.... and the charge regime is very sloppy, and still get excellent results... batteries from 2008 are still perfectly fine. For FLA the only rule is keep the water up to them, and keep them over charged rather than under charged. Providing you keep the water levels up, they don't mind a fair bit of over charging... buy mistake or otherwise. This is for a working bank that will be discharged by at least 4kwh or more overnight. If you over charge and don't make it work hard, then you need to keep at or just below the float voltage.... or erosion of the lead will occur... but the act of pulling them down each night, allows you to have a pretty sloppy scheme and still keep them healthy. Thats my ideas only.... and follow at your peril. My controller is a 130 amp pwm controller. 10 fets and a tiny driver board. It just keeps the voltage under wherever I set with the voltage control... thats it. Clockman, the led drivers are just for charging from generators. I found that the cheap ones need some surgery to get the current control working in range to protect them, or they blow in a few minutes/seconds. I don't use and will probably never use fancy batteries... just FLA works fine for Me. .............oztules Village idiot...or... just another hack out of his depth |
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| Mulver Senior Member Joined: 27/02/2017 Location: AustraliaPosts: 160 |
Thanks Clockman Ill contact you for the boards. Getting the Toriod ready is my first step. Cheers Oztules Is your PWM controller build by yourself? is there any information on the net regarding this? Do you use the 250w panels in parallel to power the controller? Your many posts have sold me on FLA I may search for second hand golf cart batteries to abuse in the learning curve then get some 105s after I've got it nailed. The LED driver interest me as I have a 1600w inverter generator that we bought on the last 3 day power outage here in SA, the outage was the kick up the butt i needed and started researching getting off grid. |
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