Author Topic: The OzInverter 6kW -15kW New Power Board.  (Read 65709 times)

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clockmanFRA

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #33 on: March 22, 2016, 05:19:34 AM »
Hi Lifer,

@clockmanFRA & friends:
Don't want to rain on your parade but how "open source" is a design copied from a commercial product?

Furthermore, what about this "open source" project when the original manufacturer quit the production of the control board (the inverter's "brain")? Do you have its microcontroller software?.. is that "open source", too?

Firstly 'oztules' has been discussing these OzInverters for nearly a year now, about 80,000 words now, he experiments in the real World and makes stuff work. In my book and in this day and age any one that really does, shows it and openly talks about it should be heaped with praise.

I have followed his adventures and built my own OzInverter with 'oztules' guidance. He say's things as they are, and in a understandable and logical manner.

Stumbling block for me was that I need real power for our community, we were badly let down by SMA, and the latest Chinese Power Jack boards are now difficult to obtain for my next BigOzInverter.

I new 'oztules' was playing with that new chip and the EGS002 board, because even I mentioned it.
When he said he got it work okay with toroid's by getting his Scalpel out, then I got on with the NEW Power Board. Then 'oztules' said he was doing a New Control board with just that 8010 chip....................

'Open Source'  I have discussed that philosophy earlier in this post.

'Open Source' with the New Power Board I am doing.....

I purchased from China an old stock simple PJ board. Its a very simple layout each FET gate has its 2off resistors like all FET's have.
However, with the 8010 chip that the New OzControl board has, then the Power Board I am putting together
 has to have some simple modifications.

Is my Power Board a copy of the PJ board, No, in my opinion it is not, its superior.

 I have sorted out a few things along the way. I also doubt that my New Power Board would even run in one of PJ's Inverter units.

So 'Open Source' to me......  means...... start from the ground up, keep it simple, re configure to do the job, see what's out there and incorporate what is good, use the latest readily obtainable bits and pieces, and importantly be cost effective. Then post, tell, publish what's being going on.

I have a need for an Inverter, the Big SMA let me down, I made my own, now I am making my own control electronics. With 'oztules' help off course.

I am not specialised in the EE field, so I can come up with wacky ideas without feeling a fool.

However I do understand Safety, Care, and due diligence, but how far does one go on that?
'Bruce S' has already mentioned this. And I certainly say it when I 'Open Source'.

Ps, I name stuff the OzInverter, and the OzControl Board, why, because he does it and tells the World, brilliant.

Credit due, where credit is due.!  :)   :)


Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery

clockmanFRA

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #34 on: March 22, 2016, 05:28:54 AM »
@oztules:

I have no problem with no-EE people but it's a common sense to not write books about a subject you don't understand.


Oh dear......

What I have so far done and made, is now published. .............................

SMA again?

 

Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery

lifer

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #35 on: March 22, 2016, 06:30:42 AM »
I'm also living offgrid (and that's what actually forced me to study the power electronics in detail).

Once again, I have no problem if someone hacks a commercial product to suit his needs but just don't call it "open source". It's not what open source is all about.

Actually, you don't even have to look at PJ boards anymore. Any semiconductors manufacturer has dozen of app notes which describe in detail this kind of inverter topology.

And like I've just said, you don't need a "black box" (aka control board) either. A simple arduino-like board could do everything a "black box" does (and much more).

An open source inverter project should start with a complete schematics. Where is it?

You just published a book(?) about hacking a commercial product (actually, was all about that transformer replacement). Why not posting that pdf on this forum and the similar ones (anotherpower, energymatters, backshed etc (which were actually the real collective author)? Why do you need to keep it secret (printed) and only making it available (even free of charge) by post?

That's not "open source" for sure. With all due respects, I guess you just like to see your name on covers by any means.

Speaking of that transformer hack, it actually started long time ago and it's author was an oz fellow too (andrew).

But it wasn't rocket science either (anyone with medium electronics knowledges would have come to the same conclusion). That's why the real author didn't even bother to write his name on starts for that.

I'm not against open source (in fact, I only use open-source software and even contribute to some) but this thread has nothing to do with it

Speaking of SMA (or any other top manufacturer in this field). Why haven't you cloned one of their products? Just because PJ it's chinesse/ship made gave us the right to hack it and claim it "open source"??

frackers

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #36 on: March 22, 2016, 07:12:45 AM »
@clockmanFRA & friends:

As a disclaimer, I've made my own 6kW inverter from scratch (including all the software) with absolutely no commercial "influence". Actually, the schematic is pretty simple but I came to the actual variant after months of testings.


So where is it? Is it open source? Where on github or bitbucket do I find both the software and hardware details?

If what you have done is so much better, why are you keeping it a secret?
Robin Down Under (Or Are You Up Over)

oztules

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #37 on: March 22, 2016, 07:21:12 AM »
Lifer, if you think your design is solid, then you should put it out there and help people, and do a better job than me... and thats easily done.

As it is, all your research, and scrivenings will die with you... big woop.

Not everyone lives in first world countries, and would appreciate open honest work that may help their every day lives.

The open source thing is for others to ponder, I just put my work out there, with all the pimples and bruises, warts and all, tell what I know, how i have done it, and no-one has helped me to be any wiser.... thats the calibre of the other knowledgeable folks out there... a big fat zero.... and your just another one until you prove me otherwise.  I welcome you to pick it to bits, advise where it could be made better.... put your better deign out there, and help the other folk to improve their lot.... I don't expect it to happen, as selfishness seems to be the order of the day with  most people.

This site was made possible by the selfless experiments of the Dans. They did plenty wrong for plenty of time. Great people like Flux and Zubbly contributed to their knowledge, as well as the best teacher of all experience... they are now world wide acknowledged as leaders in this field... even if I don't agree with the Hugh piggot/ Danb mills as the best long term... I think that prize goes to Zubbly.

I built a few of theirs, and they did what they claimed ( better in fact ), but my marine environment made the neo's die fast, and the furling was difficult to control in some wind regimes. The back MMF protection of the zubbly made it near bullet proof, at the expense of output perhaps, but the best in my..... thats my book.

These little 002 units seem indestructible so far, and it is not that I haven't tried.

I do understand the gate capacitance as it pertains to oxide thickness, and surface are, and low Rds units have bigger surface area and so bigger capacitance to over come if you need to switch quickly. ... maybe even thinner oxide in the low voltage variants....who knows.. not me.

The 002's are running at 300ns dead time, which seems to cause no conduction issues or at the other end, heat and excessive waveform distortion.  Lower resistance was chosen to increase the current to the gates, as the 6x 4110 has about 6n of capacitance to drive into ... lower impedance means faster turn on times, the diode to help decrease turn off time.

Interestingly it does not matter really what the theory might actually be, practice says 47r runs hot 5r runs cool.. why it does is of no importance, and you don't need to test to destruction to find out either. kiss works.

So carefully thought out does not necessarily mean better or worse, but if it works to expectations, then I don't care if I followed your example, or went my own idiotic way, the result is a unit equal or better than other units I have to fix for other people with name brand goodies.... They can't drive anything I cant, and I can drive a lot of things they cant...and for longer periods. ie I can start 10hp three phase motors for phase generators to drive 50 ton presses.. theirs cant stand the start up because of the programming probably, but the reason is mute... they can't do it... I can

I don't need to know any more than that.

I have never pretended or expressed that what I do is open source, thats for other folks to ascribe words to, read any or all of my stuff.. I don't recall ever mentioning it... but what I do is open for all or anyone to use or modify at their leisure.

I am happy that clockman and many others now have had great success using what I have done to further their pursuit of useful power.... no one has used yours from the sounds of it but you.... and your happy with that...... your loss as a human being not mine.

I had intended to use the 8010 chip with  a triple isolated pwm supply, and drive optos, but have not moved forward with that one as I was pleasantly surprised that the 2110 can drive the 6 fets very very well, which I had not expected... provided I dropped the gate resistance.

You can laugh at this one too.. I know the PWM part works fine as I used that for a three phase BLDC driver for solar pumping I did a neighbour...... never went on with it though.

9613-0

I will end with this... if your not prepared to help then go away from this thread, and grizzle to someone who cares.... or you can pitch in with sensible critique... there is no middle ground.


...................oztules

Edit Saw your last post... Yes, Andrew did do a piece on energy matters. Thankfully I did not see that or I would have ended up with a less useful device. He calculated the inductances to use that would mitigate the idle current issue.
In fact he was wrong. The inductance was way too high, as his friend found out after reading my saga with it. He ended up using mine instead.
Had I seen Andrews, I would have made the same mistake/s I guess. His filter caps were wrongly ascribed as current hogs to. The originals were just fine.

And who in their right mind would want to replicate SMA.
« Last Edit: March 22, 2016, 07:30:32 AM by oztules »
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DamonHD

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #38 on: March 22, 2016, 07:38:51 AM »
It would be good to take some of the heat out of this thread.

In particular I'd say that open source means lots of different things to lots of different people.  I tend to put my stuff in public repos (or at least downloadable tarballs or similar) under permissive licences such as Apache/BSD.  Others will say that anything other than GPL is selling one's soul to the devil, for example.

One annoyance that's I've experienced and may be a factor here is that I've put up some work (photography) to allow others to *use* it freely, but I've caught people watermarking it as their own creation and trying to resell it, which just reeks of dishonesty to me.

So, deep breaths all round please.

Rgds

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oztules

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #39 on: March 22, 2016, 08:21:24 AM »
 frwainscott
"If i may offer a little input... If you were to add a parts list and schematic for 24 volt.... Then poorer people can start at 24 volts and upgrade as they can afford to by making a new 48 volt board/or replacing parts to re-vamp their system from 24v to 48v.  I guess you could even include a parts list and schematic for 12v and 36 volts.... Really make the system fully scale-able..... Grow their system as affordable"

The current 002 board variant I am testing until my other chips arrive is already scalable, and multi voltage.
The only difference with a 24 or 48v is the transformer primary, and if you wind that two in hand for 24v, then 48v can use the same transformer by placing the pimary in series instead of parallel..... ie you will be 16:1 for 24v and 8:1 for 48v for a 240v system... nothing else changes unless you need better fets, which I doubt unless your really going for broke... and at 24v I don't think that wise... the currents become unmanageable realistically over about 3kw or more.

12v will require a small boost converter for a few dollars to get the voltage up high enough to reliably provide for the gate voltages in my mind, other than that it is fets and transformer again.

I may acquiesce to the circuit thing when I decide what design will be the best/final thing... until then I will do as I have, and only provide what I have from current experiments and that does not include complete circuits... some one else can do that if they wish.

Damon,

Anyone is free to use, steal, pilfer  anything I have written here, as it is owned by the site after all as I understand it.

Courtesy would dictate that  it may include a reference to me, but I won't lose any sleep if they don't. Most folks have given some form of recognition as far as I know, be it chainsaw blades, alternator repairs, solar panels or a host of other things.

I thank Clockman for being up front too. Is it open source??.... don't know and don't care, so long as someone benefits somewhere I'm happy.... .. obviously, not everyone is like that.... which is just messed up.

..............oztules
Flinders Island Australia

Neil

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #40 on: March 22, 2016, 08:30:19 AM »
My two cents , 

 if the product comes from China it's most likely copied from some other manufacture anyways.

oztules

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #41 on: March 22, 2016, 08:51:09 AM »
Yes Neil, there are dozens of chinese inverters there on alibaba using the same generic boards last I looked ( few years ago, before PJ agreed to sell me theirs as replacements for my unit I bought... which I promptly blew up.... had a W7 also ( same thing, better build, but EI transformers... blew that up too ( spider on circuit board))

Then I asked PJ to put them on Ebay, and they did, and sold lots of them.

I don't think they have the software, as they still havent solved the transfer problem with charging and turn off with torroid  transformers. That software works in the W7 just fine, but the lack of leakage in the torroids kills the fets dead, depending on the part of the cycle it was on before disconnection.. if near zero cross over.. then death.

..........oztules
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lifer

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #42 on: March 22, 2016, 10:14:56 AM »
if the product comes from China it's most likely copied from some other manufacture anyways.

There's no honest people living in China, huh? After all, to steal from a thief it's a honest job, isn't it?! Okay, let's just pretend you only "assumed" the PJ it's a counterfeit product..

Nevermind, I wont continue this discussion neither. If someone is really interested in spreading inverter theory (and step by step diy instructables) to the masses, we could open a different thread, to post full schematics and source code so everyone could customize its inverter.

I also thought of these inverters as being some magic "black boxes" at the beginning (due to their prohibitive prices and lack of informations).

Now I can assure everyone that it's actually pretty easy to build one (even if you don't really understand in details how it works).
 
But, as @DamonHD has corectly pointed out, any honest (hardware) open source project could be easily replicated by any commercially minded person without a notice.

We could spent months of tweaking and testing to get the best results and he just choose a catchy name ("PowerJack"?!) and put it on production (and eBay)..

Now you tell me: are we helping the undeveloped countries or the nasty ones?!

DamonHD

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #43 on: March 22, 2016, 10:29:29 AM »
As a little diversion, here is a modular MCU-driven inverter project:

http://sustburbia.blogspot.co.uk/2015/10/a-micro-solar-inverter-based-on-arduino.html

Rgds

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Neil

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #44 on: March 22, 2016, 10:36:37 AM »
it is what it is Lifer

clockmanFRA

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #45 on: March 22, 2016, 10:38:03 AM »
Lifer, I see you have a bee in your bonnet about something......


If you have not seen my little publication how do you know what's in it.

Its about me making a OzInverter, and throughout the publication I always give credit where credit is due. And these forums are prominently listed.

Yesterday, I gave a copy to an electrician in Morocco who's home village has no Electricity, and he will have a chat with his nearest college elect dept to see if they can implement the OzInverter.
Last night I gave a copy to a French Doctor who comes from one of the French African colonies, and again, "Thank you I will give this to our local college at home and they will take it forward."
These 2 were truly excited at self empowerment and self control and not be beholding to costly incompetents of others.

That's what I mean by getting the Information out there. There are very intelligent practical people around the Globe that can truly benefit, so with all the information in one place, a book, with lots of pictures and written by someone that has trod the path, Me, I can see things from there point of view...............

I will not argue with you anymore 'lifer', as you have preconceived ideas, that ........

Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery

lifer

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #46 on: March 22, 2016, 11:11:30 AM »
@clockmanFRA:

You don't have to give it to an electrician or a doctor - just give it to the whole world. Why don't you just share a link to this board??

What's your book about anyway? About taking a commercial (obsolete) product and changing its transformer? Man, I should write a book about changing a light bulb, too.

If you really are open (source) minded, just put your pdf here. Otherway, remove that "open source" label from your sentences.

Now if I'll start a new thread with a REAL pure sine wave inverter project (complete, scalable, easy to customize and diy friendly), would you write a book about it, too??

I really-really want to help people to build such an inverter from scratch (or a battery charger for that matter) and I'm seriously thinking how to gain control of all those informations.

If I post them on a board like this, I'm afraid I can't stop a scaveng.. umm, "writer" from "sharing" those infos to an electrician from Morroco or a doctor from Cote d'Ivoire..

Once again, just think about it: your book is using @oztules "font".   

PS: How do you define the "OzInverter" anyway?

DamonHD

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #47 on: March 22, 2016, 12:34:21 PM »
Cool it please everyone.
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Bruce S

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #48 on: March 22, 2016, 03:11:24 PM »
DISCLAIMER!
I am not in a good mood, I haven't been since 10 minutes AFTER bombs went off in a beautiful town in Brussels! AND I started checking on friends I knew to be traveling.

Then I get a MOD's notice that THIS STUFF is going on  >:(.

GM MODE!

LIFER! STOP !
IF you had posted a protest about the "Open source" 6 months ago it might have been valid.
AFTER a full blown build and going on a 2nd, YOU do not have a valid complaint.
One more and you get to be in read only mode .
PERIOD!

End GM MODE
Don't like it? have an owner get in touch with me.
A kind word often goes unsaid BUT never goes unheard

ontfarmer

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #49 on: March 22, 2016, 04:58:44 PM »
followed the postings of clockman  oztules  operahouse  and all the others that contributed
to putting this together.  Sharing their knowledge and experience is of great value to me.

Thanks  Ontfarmer

Mary B

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #50 on: March 22, 2016, 05:04:48 PM »
TY Damon, some pretty condescending attitudes were coming through.

It would be good to take some of the heat out of this thread.

In particular I'd say that open source means lots of different things to lots of different people.  I tend to put my stuff in public repos (or at least downloadable tarballs or similar) under permissive licences such as Apache/BSD.  Others will say that anything other than GPL is selling one's soul to the devil, for example.

One annoyance that's I've experienced and may be a factor here is that I've put up some work (photography) to allow others to *use* it freely, but I've caught people watermarking it as their own creation and trying to resell it, which just reeks of dishonesty to me.

So, deep breaths all round please.

Rgds

Damon

lifer

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #51 on: March 22, 2016, 05:21:27 PM »
I was reading this forum on a daily basis since I signed up (more than two years ago). I want to thank @Flux and @DamonHD for their kind support.

You may delete my account.

bcalmed

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #52 on: March 22, 2016, 05:35:34 PM »
That was just gratuitous, "I'm all that", unnecessary troublemaking.

Why? I don't care.

Fragile ego's have trouble with apologies, I guess.

Onward.....

David HK

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #53 on: March 22, 2016, 06:18:38 PM »
Oztules is the best thing to happen to this forum since Zubbly.

Dave

Mary B

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #54 on: March 22, 2016, 08:20:05 PM »
The thicker copper traces will change the inductance of that trace, might need slight tweaks...

Hi MaryB, and thanks for that.

I will definitely have a go with those in your links, along side normal boards and watch what happens.

The New boards will be going on the BigOzInverter so that will really test stuff.

oztules

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #55 on: March 24, 2016, 03:52:34 AM »
No Oztules is not the best thing... for one thing, the test board as shown is the one i am using, but forgot to put in 2 changes to it

I still advise NOT to use this pattern, as it is very sloppy in track clearances and placement is difficult compared to the real estate it uses.. but some won't be told, so here are blow ups of the board as it was.. but with two changes.

When I first tested it, I blew up the voltage regulators... as mentioned somewhere back there.. it was because the zener went to the wrong track by 2mm. Changed that, and the voltage feedback didn't work because of no ground link.... fixed both in a few minutes, and it has since been running the house till now... more than a week I think... works flawlessly for a botch board.

It was not until I took it apart that I realised the 2 changes I forgot about in the excitement.... as I had not touched it for all that time.

So here are the blow ups of the changed board.... no other improvements... just the two changes... I would prefer you not to use this until we get a nicer more robust version ( physically), but some folks can't wait apparently.

9618-0


9619-1


9620-2


9621-3

 That will help those who can't wait for the experiments to conclude.


...............oztules
Flinders Island Australia

OperaHouse

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #56 on: March 24, 2016, 01:46:02 PM »
I'm just amazed by all the boards that are sold on ebay without a bit of documentation.  I haven't noticed any documentation listed here to that 8010 board, forgive me if I missed it. Here is an overview of that board that may be helpful.  http://www.egmicro.com/download/EGS002_manual_en.pdf

dr_zogg

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #57 on: March 25, 2016, 02:35:23 AM »
howdey all,
I have been reading this forum for a fair while and I had to register so I could make this post.
lifer where do you get off buddy. clockmanFRA and oztules have put so much into this community by helping people
with their questions and most of all sharing their knowledge. and you just mosey on in and start trying to belittle their
hard work, good on ya you muppet. fair enough clockman may have made a printed copy of a book and that may not be the best way
of publishing a book in this day and age, but guess what HE DID IT WITH GOOD INTENTIONS and is giving people some help.
the day you write a book you can distribute it however you wish. but until then I suggest you worry less about the term
"open source" and worry more about your wide open mouth.

oztules

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #58 on: March 25, 2016, 06:27:57 AM »
Further testing on board no. 2

The weakness in this version of experimental board is the rudimentary power supply. The 7805 is prone to failure in further bench testing.... and that takes the chip out.
It didn't happen in the first board as I must have been lucky at turn on. In the pj board, the caps must have slowed the inrush currents enough to protect it, but a second one on the bench into a small transformer with no filtering failed a few times on start up ( instantly) and took a few boards with it.... so I have run out of boards for the time being, and won't risk the one on the big transformer, so bench testing will stop until new victims arrive, and a new board with better power supplies and other changes are done.... obviously tried to make it too simple.

I'll keep the big one running until they arrive, just to continue the power testing.. but it looks strong once up and running so there is much hope.

in short don't do that board unless you better the power supply.

The next board will have plug in chips so I can be more gruesome in the testing of it.

Lifer was right, I don't know what I'm doing..... but I will get there for sure.


................oztules
Flinders Island Australia

Bruce S

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #59 on: March 25, 2016, 09:03:14 AM »
---GM MODE---
dr_zogg;
This is your first post ,,, so I will be nice for this time.

Let's NOT continue to go after a fellow forum member, even if he in his most recent post asked us to remove him.
Further posts attacking a forum member will result in a read only status.

---END GM MODE---

A kind word often goes unsaid BUT never goes unheard

clockmanFRA

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #60 on: March 25, 2016, 10:43:33 AM »
6kW-15kW new Power Board PCB....... the Mask for the Drilling Holes etc.
Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery

clockmanFRA

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #61 on: March 25, 2016, 10:53:14 AM »
General layout.....Component Side

(I will do the other masks later, must go do some Taxi the boys). ::)
Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery

OperaHouse

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #62 on: March 25, 2016, 02:04:52 PM »
I fail to understand the 5V issue other than it can be tricky dropping from 45V.  Just what is a 35C? Given the world of counterfeit chips, 18V is probably a bit much to put on a 5V regulator.  I've thought about ordering some 12V 100V>12V open frame wall wart type switchers available for a couple bucks for testing but haven't had a project that needed any quantity.  Most 100V wall warts work well at 50V with reduced load.  All my shed control electronics works off wall warts.

clockmanFRA

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #63 on: March 25, 2016, 03:05:45 PM »
The PCB Component side Track Mask....................
Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery

clockmanFRA

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #64 on: March 25, 2016, 03:07:40 PM »
The PCB Under Side Track Mask..........
Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery

clockmanFRA

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Re: The OzInverter 6kW -15kW New Power Board.
« Reply #65 on: March 25, 2016, 03:10:31 PM »
The Component outlay & values Silk Screen/stencil Mask...........
Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery