Search found 2691 matches

by weber
Yesterday, 07:25
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2580
Views: 541630

Re: PIP-4048MS and PIP-5048MS inverters

In the PIP4048/5048s you can limit the max charging current (solar + grid - option 2), lets say 60A. If you set max grid charging to say 2A (option 11), then max solar charging should be 58A. Is my assumption here correct? It depends on settings 1, 12, 13 and 16. But I don't think this matters for ...
by weber
Yesterday, 06:01
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2580
Views: 541630

Re: PIP-4048MS and PIP-5048MS inverters

djonexx wrote:
Yesterday, 01:43
is there any way to get the ID (0-9) of the machine?
Send commands QPGS0, QPGS1, QPGS2, ... QPGS8. The first field of the response will be 1 if a machine with that ID exists, and if so, the second field will be its serial number.
by weber
Tue, 07 Apr 2020, 16:21
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2580
Views: 541630

Re: LG Chem Resu 10 with PIP-4048MS

I know it's been a while. I since implemented Dynamic Current Control but it doesn't seem to work in my 3-phase configuration. I see no blinking dot in the display or any sign the inverters behave differently. ... The identifiers of the three-phase inverters are 2, 3 and 4. However, the commands ab...
by weber
Wed, 11 Mar 2020, 07:01
Forum: Renewable Energy and Storage (Non-EV)
Topic: MPP 5048MS or 5048MK inverters
Replies: 8
Views: 362

Re: MPP 5048MS or 5048MK inverters

Do not you know what kind of firmware are equip nowadays 5048MS inverters? I'm not sure I understand the question. I do not understand what you mean by "kind" of firmware. You can see here , that they now come with version 72.40 firmware. But Coulomb and I can only offer patched firmware 72.20e .
by weber
Tue, 10 Mar 2020, 09:17
Forum: Renewable Energy and Storage (Non-EV)
Topic: MPP 5048MS or 5048MK inverters
Replies: 8
Views: 362

Re: MPP 5048MS or 5048MK inverters

I am keen on MPP solar inverters in hybrid mode. I note that the PIP-5048xx inverters are not "hybrid" in the modern sense of being capable of both stand-alone and grid-feed operation. They cannot feed power to the grid at all. They are "hybrid" in the old sense of taking energy from multiple sourc...
by weber
Tue, 10 Mar 2020, 08:29
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2580
Views: 541630

Re: PIP-4048MS and PIP-5048MS inverters

Hi everyone, before updating the firmware for my inverter I don't understand which version is suitable for a PIP 5048MS(64V) (PF1) with firmware version 72.40 !!! that from the specifications on the site: "72.40-72.89: You are running older hardware, rated at 4kW (PF0.8). You can update to the late...
by weber
Sat, 22 Feb 2020, 21:23
Forum: Renewable Energy and Storage (Non-EV)
Topic: PV Inverter recomendation
Replies: 13
Views: 451

Re: PV Inverter recomendation

What happens when i turn on a load that i connected to the AC out on the PIP when i also have another MPPT charger and i have full PV energy ? I guess the Inverter just pulls from the battery which both MPPT chargers are connected (both the internal and the external one), is that correct ? Yes. I m...
by weber
Sat, 22 Feb 2020, 15:51
Forum: Renewable Energy and Storage (Non-EV)
Topic: PV Inverter recomendation
Replies: 13
Views: 451

Re: PV Inverter recomendation

And yes i was sort of guessing about the premature float bug only being solved on the inverter. You could use a separate MPPT that is not made by Voltronic, and so does not have the premature float bug, and that lets you set the lower voltage threshold for going from float to bulk/absorb to suit an...
by weber
Fri, 21 Feb 2020, 22:37
Forum: Renewable Energy and Storage (Non-EV)
Topic: PV Inverter recomendation
Replies: 13
Views: 451

Re: PV Inverter recomendation

So you could either sell 2 or buy 1. If i have 20 now and i place 10 on each side then i would need to buy 4 panels more to make strings of 3 no ? If you sold 2 you could have 9 on each side. If you buy 1, you could have 9 on one side and 12 on the other. Assuming you're in the northern hemisphere,...
by weber
Fri, 21 Feb 2020, 22:17
Forum: Renewable Energy and Storage (Non-EV)
Topic: PV Inverter recomendation
Replies: 13
Views: 451

Re: PV Inverter recomendation

Thank you for your reply. Since i have 20 panels and distributed on two sides that means i need two mppt chargers that can handle 160v, these support only 145v no ? How can i solve that problem ? You solve the 160 V versus 145 V problem by not connecting the panels in strings of 4. And yes strings ...
by weber
Fri, 21 Feb 2020, 06:28
Forum: Renewable Energy and Storage (Non-EV)
Topic: PV Inverter recomendation
Replies: 13
Views: 451

Re: PV Inverter recomendation

I suggest one or two of these inverters. And reflash them with our patched firmware.
by weber
Wed, 19 Feb 2020, 09:24
Forum: Batteries, charging, management and monitoring
Topic: Arvio 3.5kWh drop-in-battery-replacement supercapacitor on sale
Replies: 384
Views: 60909

Re: Arvio 3.5kWh drop-in-battery-replacement supercapacitor on sale

I wouldn't mind getting my hands on some of these to test, but a bit pricey and shipping from UAE will no doubt not be cheap -- assuming I even eventually receive something at all. You would be doing the world a service. But make sure that when you test them you do the same test to some "controls",...
by weber
Wed, 19 Feb 2020, 09:13
Forum: Batteries, charging, management and monitoring
Topic: Arvio 3.5kWh drop-in-battery-replacement supercapacitor on sale
Replies: 384
Views: 60909

Re: Arvio 3.5kWh drop-in-battery-replacement supercapacitor on sale

Ah yes, the fared [sic] the unit of capecitance [sic], named after Fareed al Shadi the Ig Nobel prize winning scam artist. ;) Its symbol is F, the same as the farad. Couldn't this cause confusion? Of course not. Move along. Nothing to see here. For a battery of capacity Q in amp hours, maximum volta...
by weber
Tue, 18 Feb 2020, 11:06
Forum: Batteries, charging, management and monitoring
Topic: Arvio 3.5kWh drop-in-battery-replacement supercapacitor on sale
Replies: 384
Views: 60909

Re: Arvio 3.5kWh drop-in-battery-replacement supercapacitor on sale

Yup. Zoxcell is the same old scam with a new face. Thanks for letting us know, @gyrovague.
by weber
Tue, 18 Feb 2020, 10:58
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2580
Views: 541630

Re: PIP-4048MS and PIP-5048MS inverters

Awesome remote diagnostic work, @coulomb!
by weber
Sat, 08 Feb 2020, 15:32
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2580
Views: 541630

Re: PIP-4048MS and PIP-5048MS inverters

Moderator note:
Moved a repair-related discussion of SCCs to the repair topic:
viewtopic.php?p=77504#p77504
Please continue that discussion in the new topic.
by weber
Fri, 07 Feb 2020, 06:50
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP inverter repairs and hardware modifications
Replies: 451
Views: 29763

Re: PIP inverter repairs and hardware modifications

Sir the two 1000uf capacitors are connected in parallel with 4200uf capacitors. Here is a datasheet that shows the original 1000 µF 35 V in Lelon's RGA series. They are not a low impedance type, and only have 2000 hour endurance. But since they are across the DC bus of the battery side of the DC-DC...
by weber
Thu, 06 Feb 2020, 05:41
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP inverter repairs and hardware modifications
Replies: 451
Views: 29763

Re: PIP inverter repairs and hardware modifications

Most inverter comes with original mosfes K100 and some comes with csd19505.this one was with csd19505. I'm guessing the "K100" are Toshiba TK100E08N which are 3.4 mΩ 80 V. The Texas Instruments CSD19505KCS are 3.8 mΩ 80 V. Those MOSFETs should be fine. There is no need to upgrade to a higher voltag...
by weber
Thu, 06 Feb 2020, 05:05
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP inverter repairs and hardware modifications
Replies: 451
Views: 29763

Re: PIP inverter repairs and hardware modifications

@Roman khan, This is my suggestion to replace the 4 x 4200 µF capacitors: https://www.digikey.com/product-detail/en/united-chemi-con/EKZN500ELL332MM40S/565-4081-ND/4843891 Thanks for your kind help once again. Sir these capacitors are 35v 3300uf on my inverter and you have recomended 4200uf 50v, Wi...
by weber
Wed, 05 Feb 2020, 06:44
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP inverter repairs and hardware modifications
Replies: 451
Views: 29763

Re: PIP inverter repairs and hardware modifications

[Assuming the King is like the Axpert MKS 5K] If it is a Raspberry Pi A+ or Rasperry Pi Zero with the HDMI turned off, and any other unneeded hardware turned off, so that the average current is less than 170 mA, then you might just barely be able to power it. In that case, the best interface might b...
by weber
Tue, 04 Feb 2020, 13:03
Forum: Batteries, charging, management and monitoring
Topic: Low cost BMS
Replies: 441
Views: 60916

Re: Low cost BMS

As a matter of interest, what voltage is required for the current to increase to an amount that would be regarded a charging current, say above 1 amp or more? Once this threshold has been reached, if the voltage is again dialled back to 3.8v, is the current still only 1.5mA? Sorry Terry, but I've a...
by weber
Tue, 04 Feb 2020, 12:24
Forum: Batteries, charging, management and monitoring
Topic: Low cost BMS
Replies: 441
Views: 60916

Re: Low cost BMS

Yes. As I tried to explain earlier: Both high voltage and high temperature accelerate the ageing processes, one of which is an increase in the thickness of the otherwise beneficial SEI layer, which causes an increase in internal resistance. High voltage alone doesn't cause heating. Current causes he...
by weber
Mon, 03 Feb 2020, 20:15
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP5048MG: 3Phase Configuration: Fault 08 and anomalies.
Replies: 27
Views: 1039

Re: PIP5048MG: 3Phase Configuration: Fault 08 and anomalies.

That's great information Revlac . TitchRSA , You could try swapping inverters between phases, to see if the problem stays with the same phase or the same inverter. Others have experienced this problem with PIP-5048MGs (also called Axpert MKS IIs). For example, this post . Unfortunately, the original...
by weber
Mon, 03 Feb 2020, 16:19
Forum: Batteries, charging, management and monitoring
Topic: Low cost BMS
Replies: 441
Views: 60916

Re: Low cost BMS

Interesting, no gassing or cell swelling? Thanks for reminding me. I was interested in this question myself. I deliberately chose a cell that was not already noticeably swollen. I measured its thickness with dial calipers last night before topping it up, as close to the middle of its broad faces as...
by weber
Mon, 03 Feb 2020, 14:52
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP inverter repairs and hardware modifications
Replies: 451
Views: 29763

Re: PIP inverter repairs and hardware modifications

Roman khan , This is my suggestion to replace the 4 x 4200 µF capacitors: https://www.digikey.com/product-detail/en/united-chemi-con/EKZN500ELL332MM40S/565-4081-ND/4843891 I understand now, why these capacitors were not where I expected them to be. It's because the battery side of the DC-DC convert...