Search found 4298 matches

by coulomb
Mon, 26 Oct 2020, 18:04
Forum: Renewable Energy and Storage (Non-EV)
Topic: DIY 51.2V 100Ah Solar Energy Storage Battery System - All Kits Included.
Replies: 2
Views: 144

Re: DIY 51.2V 100Ah Solar Energy Storage Battery System - All Kits Included.

I don't like the output terminals (looks like battery current goes through the screw). [ Edit: and it looks like the terminal screws aren't copper or even brass, though they could be tin coated. ] Is that a 4 mm banana socket at the front of the terminals? It seems weird to have the presumed BMS all...
by coulomb
Mon, 26 Oct 2020, 10:31
Forum: Batteries, charging, management and monitoring
Topic: Chargers being turned off
Replies: 19
Views: 482

Re: Chargers being turned off

Paul9 wrote: Mon, 26 Oct 2020, 09:50 I assume Type 2 adapters won't work in CCS2 charging stations?
Yes. Only the control pins of the AC part are used. They probably don't even have holes for the phase pins, so you couldn't even plug in an AC type 2 plug.
by coulomb
Mon, 26 Oct 2020, 10:29
Forum: Batteries, charging, management and monitoring
Topic: Chargers being turned off
Replies: 19
Views: 482

Re: Chargers being turned off

jonescg wrote: Mon, 26 Oct 2020, 10:16 So the other pins are live when plugged in?!
? Those would be sockets, as in any extension cord. Sockets are designed to be safe when live.
by coulomb
Mon, 26 Oct 2020, 09:13
Forum: Batteries, charging, management and monitoring
Topic: Chargers being turned off
Replies: 19
Views: 482

Re: Chargers being turned off

I'd be interested to know whether the advice to not turn a charger off 'at the wall' applies when they are delivering lower current. For instance when my TC Charger is in its final charging stage, which takes quite a few hours but delivers very little current. The main problem is the energy in the ...
by coulomb
Mon, 26 Oct 2020, 08:22
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-5048MK inverter
Replies: 396
Views: 47268

Re: PIP-5048MK inverter

I did some tests with my PIP-5048MK, display fw 2.49 1. BAD!!! The display doesn't check for proper CRC in the received commands , not only the Q(uestion) commands but also the set commands... I wondered about where the CRC got checked. Upon further reading, it seems that they haven't bothered to c...
by coulomb
Sun, 25 Oct 2020, 19:34
Forum: Renewable Energy and Storage (Non-EV)
Topic: Nickel Iron Batteries real data
Replies: 48
Views: 5187

Re: Nickel Iron Batteries real data

Here is a quote from the Edison Manual of Storage Battery Practice. Cool stuff. I used to have a small set of NiFes way way back, from Direct Disposals. I bet if I knew this information I could have gotten better life from them. They did OK anyway. Now an inverter to work with NiFe battery would ne...
by coulomb
Sun, 25 Oct 2020, 19:12
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2755
Views: 683711

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

Beat wrote: Sun, 25 Oct 2020, 17:21This screw definitely connects neutral to earth.
? Only when the relay isn't powered, i.e. when not in bypass mode and power is on.
The capacitors and MOVs however should be connected to system ground, not to neutral.
They do, via that screw.
by coulomb
Sun, 25 Oct 2020, 11:48
Forum: Hyundai
Topic: Multiple Kona drivers
Replies: 10
Views: 307

Re: Multiple Kona drivers

What's with the gratuitous apostrophes? These words aren't possessive and no letters are left out.

Apocryphal! :geek:
by coulomb
Sun, 25 Oct 2020, 07:20
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2755
Views: 683711

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

Here is the tag on my unit : Sadly, your inverter is a clone . Clues: the serial number has too many digits, the nearby case screw is silver, and it's not covered by a date-of-manufacture sticker. I'll bet it came with patched firmware version 72.70c, and there is roughly an 80% chance that it can'...
by coulomb
Sun, 25 Oct 2020, 06:50
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2755
Views: 683711

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

I'm pretty sure. It looks like your main board is somewhat different from mine. See picture below. The screw is one with flat round head different from all other screws. I see at least 3 probably 4 capacitors connected to that earthing point, and you may have MOVs (large green discs) south east of ...
by coulomb
Sat, 24 Oct 2020, 17:28
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2755
Views: 683711

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

Hello to all btw.. Welcome. Not sure how to post pictures yet Just drag an image file's icon from a file explorer to the edit window. I guess this is a rebrand of something and it's quite common. It seems like a PIP-4048MS. Main CPU version in WatchPower (V1.13SP1, IS there any newer versions avali...
by coulomb
Sat, 24 Oct 2020, 15:50
Forum: Hyundai
Topic: I've got my Kona
Replies: 83
Views: 8709

Re: I've got my Kona

Newbie here. Put down my deposit seven months ago and, finally, I will be picking up my brand spanking new 2020 Kona EV Welcome and congratulations. There must be a collective noun for Kona EV owners. If there isn't one may I suggest KEVs? or KEVOs? Konans! Though people might mistake you for Barba...
by coulomb
Sat, 24 Oct 2020, 09:15
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-5048MK inverter
Replies: 396
Views: 47268

Re: PIP-5048MK inverter

affer wrote: Fri, 23 Oct 2020, 18:15 i can see according to this video that the growatt battery is in fact two pylontech batteries in parallel.

https://www.youtube.com/watch?v=OXz5rJF ... e=youtu.be
Scary that they didn't even parallel the two Pylontechs properly.

Edit: see here: https://youtu.be/OXz5rJFGbvE?t=62
by coulomb
Sat, 24 Oct 2020, 09:13
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-5048MK inverter
Replies: 396
Views: 47268

Re: PIP-5048MK inverter

to my information that is not the case anymore, Indeed. The 51.2 V nominal voltage, and maximum voltage of 57.6 V strongly indicate 16S configuration (16 cells in series). All Pylontechs, as far as I know, are 15S. but do anyone know if the 5048MK can be interfaced with growatt batteries? and use t...
by coulomb
Sat, 24 Oct 2020, 09:00
Forum: Batteries, charging, management and monitoring
Topic: Chargers being turned off
Replies: 19
Views: 482

Re: Chargers being turned off

antiscab wrote: Fri, 23 Oct 2020, 14:23 on my zoe, pressing the plug release button on the car shuts down charging gracefully

given latching the plug is part of the type 2 standard, this should be common to all cars that take a type 2 plug
Brilliant! I'll edit my post to include that.
by coulomb
Sat, 24 Oct 2020, 08:58
Forum: Batteries, charging, management and monitoring
Topic: Chargers being turned off
Replies: 19
Views: 482

Re: Chargers being turned off

CCA2 uses a similar signalling protocol to type 1 chargers. If you mean CCS2, CCS stands for Combined Charging System (i.e. DC as well as AC). Type 2 AC ports use a similar signalling system yes, but the proximity pin has a different use. A simple NC (normally closed) switch across a 330ohm resisto...
by coulomb
Sat, 24 Oct 2020, 08:03
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2755
Views: 683711

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

I have a few questions: If I add a second unit in parallel to my Axpert MKS 5K (74.40) is it required that it also has some PV inputs or can I leave all PV panels connected to the first unit? The second machine doesn't require PV; it will work perfectly fine with all the PV on one inverter. However...
by coulomb
Sat, 24 Oct 2020, 07:53
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2755
Views: 683711

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

I'm also very new to this Forum. Greetings everybody. Welcome. You do not need the grounding box. ... There is an earth symbol next to it and a symbol indicating that it can be removed. You have to remove the microprocessor board first to access the grounding screw. Are you sure about this? There a...
by coulomb
Fri, 23 Oct 2020, 10:52
Forum: Batteries, charging, management and monitoring
Topic: Chargers being turned off
Replies: 19
Views: 482

Re: Chargers being turned off

Could there be anything I could put/wire between the power source and the charger that could protect the charger against blackouts or times when I need to turn the charger off? There is nothing you can put in the EVSE; the damage occurs internal to the charger, as far as I know. If you need to turn...
by coulomb
Thu, 22 Oct 2020, 09:52
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP inverter repairs and hardware modifications
Replies: 540
Views: 72113

Re: PIP inverter repairs and hardware modifications

Came home to all my power off this evening and found I had a dead short in one of my inverters :( Commiserations. Taking it apart I found one igbt and one MOSFET in pieces 😬 Usually the MOSFETs and IGBTs fail in pairs. So there are probably less obvious failures elsewhere. I'm probably going to rep...
by coulomb
Wed, 21 Oct 2020, 18:31
Forum: Other
Topic: New Hummer
Replies: 6
Views: 219

Re: New Hummer

Wow, thanks for that. I think it's interesting that they put the half-packs in series for 800 V charging, but in parallel for traction (and presumably for non-ultra-fast DC charging and AC charging). 800 V electronics must still be too expensive. They say it can be used at a 350 kW charger, but don'...
by coulomb
Wed, 21 Oct 2020, 16:56
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-5048MK inverter
Replies: 396
Views: 47268

Re: PIP-5048MK inverter

= After Paralleling with AC Grid Input, when the AC Grid Supply goes out, will it affect the Inverters when it the AC Grid Supply restored? Will the inverters remain in Parallel state? Yes, the inverters parallel with themselves, but not the grid (unless in bypass mode [ edit: and then, the inverte...
by coulomb
Wed, 21 Oct 2020, 16:45
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-5048GE, PIP-5048GK and PIP-5048MG inverters (with unsafe SCC)
Replies: 411
Views: 49056

Re: PIP-5048GE, PIP-5048GK and PIP-5048MG inverters (with unsafe SCC)

actually the 280w is rated 9A and I see 10A occasionally on it while the 380w is rated 10A which means I may consistently exceed the 18A limit. Ah. The voltages you quoted must have been Voc. Also since it's a 3kva GK version which has a max of 4000w but my planned additional string will make my to...
by coulomb
Wed, 21 Oct 2020, 06:56
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-4048MS and PIP-5048MS inverters
Replies: 2755
Views: 683711

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

No need to update the SCC firmware. Fully patched firmware such as 73.00e has special code to deal with the odd behaviour of some SCCs. It's better than factory firmware in that regard. [ Edit : this was done specifically to prevent the need to update SCC firmware. ] The too-high charging voltage re...
by coulomb
Wed, 21 Oct 2020, 06:49
Forum: Renewable Energy and Storage (Non-EV)
Topic: PIP-5048GE, PIP-5048GK and PIP-5048MG inverters (with unsafe SCC)
Replies: 411
Views: 49056

Re: PIP-5048GE, PIP-5048GK and PIP-5048MG inverters (with unsafe SCC)

I currently have a string of 9x280w (340v) connected to my 3024GK and I want to add a new string of 7x380w(350v) in parallel. This will push my total PV power beyond 4kw. How does MPP GK react when the max PV limit is reached? If the combined panel current regularly exceeds 18A, then these high vol...