Powerstar W7 Inverter modification

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Re: Powerstar W7 Inverter modification

Postby Solar@wind » Sat Jul 13, 2019 2:52 pm

Ok Jim,

Candy replied .

The cost is $330 use for a 6Kw toroidal model ,which she states is their latest model. It probably is a late model inverter based on the powerstar W7 model -it weighs at approx 40 Kg ,so very heavy ,I think the old powerstarW7 were 26 Kg from memory-so something is quite different inside.

She is now calculating transport costs and will reply next week ,I suppose.
I guess I will have to pay GST somewhere along the way ,I guess they have a way of working that out with their transport carrier-we'll see.

Thanks for you help

Bruce
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Re: Powerstar W7 Inverter modification

Postby Jimbo007 » Sat Jul 13, 2019 3:35 pm

G'day Bruce,
glad to be of help. You won't be dissapointed, if anything you'll be impressed.
Yes, the latest model is the one. Don't forget to walk through the programming and verify settings before you connect to the load !
hopefully, yours doesn't get the same treatment in transport as my last one did.
You will be able to track delivery through the Alibaba app.
I didn't have to pay customs or GST last time. I believe that's all sorted by Alibaba. The first time I placed an order a few years ago, I did have to pay customs but that was a bigger order.
Regards,
Jim.
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Re: Powerstar W7 Inverter modification

Postby Yunak » Thu Aug 29, 2019 7:34 pm

Hi Jim, So glad to see that this forum is still going and that you are still involved.
It must be two years since I last posted. I was having problems with my PSW7 24v 3000w control board, in particular getting the correct one for my machine and finally adapting one of the two boards supplied by remotely starting the inverter on demand via a programmable timer and relays. Just so that the bore pump could water the grass in my abscence from my property 500km south.
It has been performing a required since then. Back to present . The the sepparate RAPS System in the house on the propertyuses a TRACE DR2424 Series Inverter/Charger, I bought it from my neighbour when he upgraded to a pure sine wave so that he could run his bread maker. The trace has been performing as required but as it is now 23 years old I thought it was prudent to have a stand by JIC. Without reading your post I purchased a BIT with toroid tranny it is the 4000W/12000W 24volt model and comes with the very detailed User Manual. I will install it next January 2020 when the Trace clicks up 23 years. The Trace will go up to the shed as will the Panels and PL20 controller etc. I have also obtained A PL40 controller, the Plasmatronics controllers I have found do fit the bill. The 8 off 80W panels at the house I bought in 2006 they were the best I could get as the whole of that years production (Australian) was purchaced by Germany. The panels were over $600 each !, the 4 off 200W panels I have for replacement cost me $79.99 each, how the price of panels has come down over the years. Any how good to see the PW7 section of the forum is still going, and you are still helping out, keep up the good work and I will report on the "new" inverter next January.
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Re: Powerstar W7 Inverter modification

Postby Jimbo007 » Fri Jan 24, 2020 5:02 pm

Hi Yunak,
Just wondering if you've commissioned the new inverter yet?
I've consumed around 2500 Kw/h through my 6Kw unit and it hasn't missed a beat.
Another friend had me set up an identical system for him on a property remote from the grid.
He has tried to abuse it running a 2HP lathe, powering his home including a 1.5 HP A/C, and charging a scissor lift with it.
It just keeps on delivering and has never overheated or given any kind of alarm.
Just curious.
regards Jim.
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Re: Powerstar W7 Inverter modification

Postby Yunak » Fri Jan 24, 2020 6:00 pm

Hi Jim,
Having reached the ripe old age of 82 I have been banned from climbing on roofs and also from doing the 1000km round trip on my own. So No I have not commissioned the BIT inverter yet.
I managed a week at the property over the New Year break and my youngest Son-in-Law and youngest grandson, swapped the panels over for me and I installed the PL40 and took delivery the new battery bank, 24v 900Ahr gel batteries. I should get the inverter in next visit with eldest S-I-L at Easter in time for the winter when I will earn Brownie points with an electric blanket on my wife's side of the bed.
Since I last corresponded with you I was given a u/s Solar Energy Australia inverter, it has half a dozen blown mosfets and I can detect a small blister on one of th ICs. I enquired with Solar Energy Australia for replacement parts, which they did have in stock, but when i asked for price etc for me to get the install done over here in the West I was ignored. The inverter is a SEAP-24-2K2, it is a 24Vdc input, 2200W continuous 240 volt out put. It is about 20years old.
It has a very nice Toroid in it, weighs a lot but some one on the forum may be interested in it.
Keep well will let you know how the BIT installation goes after Easter.
Regards Yunak
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Re: Powerstar W7 Inverter modification

Postby Jimbo007 » Fri Jan 24, 2020 6:23 pm

Nice to hear from you.
Probably the only things worth keeping are the toroid for a rewind and the heatsink.
Sorry to hear about the restrictions imposed on you but I'm sure it's because they care.
These "PSW7's" are genuinely rated and won't raise a sweat at full continuous duty.
They don't seem to begin to alarm until you're about 10% above the specified rating and endure their surge rating for a good few seconds.
I reckon the manufacturers have thoroughly read and absorbed the information in this forum and owe the founders a ton of gratitude.
Keep on keeping on. Make use of your youthful relatives for the heavy work and teach then that which you have learnt. Knowledge is not knowledge unless it is shared.
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Re: Powerstar W7 Inverter modification

Postby Jimbo007 » Fri Jan 24, 2020 6:25 pm

PS.. I'm only twenty years behind you and hope I've still got the enthusiasm you have then. LOL.
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