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Hello, I am curious I inquired about how AFORE inverters 3phase zero export logic work and they said that: If the load on each leg of the inverter is unbalanced it will only produce power equal to the smallest leg for all of its leg for example: L1 - 2kW L2 - 7kW L3 - 8kW The inverter would...

Got it ! thanks so much !

Okay thanks ill observe it for a couple of days, hopefully it turns out to be accurate enough. Thank you so much for your advice

thats good to hear, im going to get the bi-facials then

now that you mentioned it, i never really set that up, im not sure where that number came from or if the inverter pulled that number from communicating through the BMS, i will try to lower the voltage a bit

I do not like this because.. well i have to pay for that electricity when it can be charged at a later during the day. My battery has a rated depth of discharge of 95% so im planning to utilize every bit of that. Weird because this only happens on "lithium" mode. in battery voltage / voltage %...

I have a deye inverter, in its manual there is something i find confusing PV Input Voltage: 370 (125V- 500V) PV Array MPPT Voltage Range: 150 - 425V No. of MPPT Trackers3 No. of Strings MPP Tracker: 2+2+2 Whats the difference between PV Input Voltage and PV Array MPPT Voltage Range? In my...

I have a 16kW inverter with 2 Battery packs in parallel, the batteries are in battery % mode (inverter sees the battery). But for some reason the battery SOC does not go bellow 15% even if i tell it to drop below that, (at 5 AM it should go to 5% SOC) Anyone has this problem?

A question for those industrial installer / or installers who have installed a lot of solar panels of roofs, What sealant do you use to cover the base of the footings for your rails to prevent water leaking. More specifically on painted galvanized sheet roofing. I want to hear what do you think...

I find it odd that it is almost impossible to find Solar or high voltage DC breakers from the reputable brands like schneider,ABB, etc. But there are a lot of these from chinese brands, my problem with these chinese brands is i dont know which of them is reputable. May i know what brand of...

My Deye inverter is charging my battery from the grid, even though i set it to not do so. I would like it to stop. Im not sure what setting i am missing here. Anyone has an idea why is it charging? The Battery is connected via CAN bus ,

I pretty close to the equator, my system fully charges the battery slightly pass noon and it gets fully drained during the night. ahh thats unfortunate then, so even if i opened my battery packs there is a chance, i still woudnt know... knowing a fairly accurate SOC % is nice to have since i...

Hello, I recently came across cheap Trina Bi-facial N-type Panels only about 5% more expensive than another Non-bifacial Trina 580 N-type panel. I have read that Bi-facial panels produce more energy than their non bifacial counterpart assuming that there is ample area/light that is being bounced...

What does CCL and DCL stand for? Its a no name brand, most probably made locally. But the connection ports are the same as the one in the video, i inquired the seller what BMS it is and they answered is DALY. I have not opened it up though to confirm

What do you use to calculate how much voltage my string have? the Voc? i see, so i should not exceed this value using Vmpp. i assume you need the coldest temp and the hottest temp in my country is 12C so lets say 10C to be safe (happened in 1960s) hottest is 45C (again in 1960s ). I plugged...

Alright it will be some time before i get back with you the results currently night time in my area, I will measure the voltage twice with the solar system fully disconnected and with the solar system connected and turned on around noon time

yes but code regulation usually takes into consideration the insulation material of the wire as well. And so far i have not seen mention of PV type wires on them. I have actually found another thread about this so that part of the question is answered...

Im fine with maybe 5% error but 15% is a bit much. If i let it run for a while around how many % is the average error rate do you think it will have? just for reference so to set expectation if the accuracy gets better or not

Okay then looks like im going to get the bi-facials then, are there any reasons where a bi-facial panels could be bad for roof style installs?

On a hybrid setup, where do you usually place the RCD protection device? I would assume in the load-side, but doesnt that mean that if someone is touching the inverter and got grounded the RCD wont trip. A solution to that would be to also place one in the GRID side of the Inverter, but placing...

The reason why i really would like to use BMS mode settings , is it gives me accurate battery %. i find that in voltage mode , the battery percentage is wacked. I dont mind trying V settings a try again, but is there anyway to improve its remaining % accuracy? Also is there any way to know what...

ahhh i get it now, so its saying that the maximum Voc i can have is 448.48v and my Vmp should be greater than 308.16v

Sorry it took so long to update but here is what happened I removed all string of the inveter and left only 1 string (16 x 500W panels) and still i could not get the graph to make that bell curve. so i went up disconnected the panels and used a MMPT tester low and behold a panel is not...

Thank you for the link. So basically the panels are more efficient when they are cold. All that remain now is at what Voc should should you size your string is it the highest voltage you can go with respect to temperature or the nominal/rated voltage of the MPPT of the inverter? Assuuming we...

Also if you dont mind me asking, but does deye ongrid inverter have a somewhat of a scheduling, wherein for example, i want every sunday and monday for the inverter to just not generate everything or something

All my load are connected to the UPS port of a deye inverter, In the inverter the Load Consumption is correct but in the Deye Cloud app the reading is wrong (only in the UPS reading), suspiciously it is wrong by 1 decimal here is a sample image: Notice how the inverter is drawing 2.54 kW...

Its facing Ideal direction which is slightly facing south. No worries about labor since i will be doing it. It will be hard to compare though since no two days are the same, i guess i would need to test each configuration for like about a week each

This were panels that was beside each other on the left was a working panel and on the right was a broken panel. All panels disconnected from each other and we have to painstakingly tested them all , there were worse pannels than in the picture only producing 2W. about 40 out of 128 are not...

yes i am charging 100% everyday.... and i also drain my batteries everyday

Hello ! I have a 16kW Deye inverter with 2 battery pack 300Ah batteries. When i tried to communicate with the battery individually there was no problem, the inverter is able to see the battery as indicated "Pylon" and the BMS specifications are also there. My question is how do i connect with...

Got it, how about in terms of "lifting resistance" during typhoons?

No worries i this is not a real system (yet... maybe someone crazy will ask me to build something this big), im just really curious what proper consideration should be taken for a system as big as this. So how do you figure out the required headroom? Id like to get an idea of scale is it 5%-10%...

So what happens then if for example i had the breakers off at noon (string voltage is at Voc) then flipped the breaker on? would the mppt get damaged? Because this is a likely scenario, for example when doing maintenance on the roof or cleaning the panels and afterwards the breakers will be...

yes they are replacing the panels free of charge, since i get to keep the non working panels. I might as well attempt to fix it , spoiler , replacing the diodes did not work. it looks like a manufacturing defect, the panels dont have any visible damage. Changing the diodes did not help...

I am installing a 6kW Hybrid System with 5.5kW worth of panels on a small home, And in order to achieve the 5.5kW panel i might have to connect panels that are not on the same angle but generally facing the same direction. Take a look on this Image: Roof orientation is on the upper left: My...

Hello friends ! I would like to make my own lifepo4 battery for my solar setup, Im pretty confident i have the technical knowledge to do so, but im in a bit of a delema. I am looking for a container for batterries. I have not chosen a specific battery yet as this would most likely depend on the...

Planning on making my own 16S1P lifepo4 battery packs soon, and would like some advice on where to get the batteries. Well i know where to get them (alibaba) but i do not know which brand are best quality ones. Is there already a consensus on this forum for which battery cells/battery brands are...

I got you friend , Something really weird is going on. Lastly the current

Here are the only settings available to me,

I have a battery pack that i think its on the end of its life, it is a 15S pack, and the battery voltage on some of the battery are all over the place. So i was thinking of adding a balancer to help gain a bit of its capacity back. i should be getting the 15S balancer for this pack, But...

Hello friends, this is my first time installing a very large power inverter for my farm, and this is my first time encountering this issue. Usually you would have somebody else do this but since i have experience installing solar systems ( only lower capacity ones though <16KW) I thought to...

Is the connection setup the same way i mentioned? Its a bit trick with the deye it would seem, since it doesnt display the capacity, it would seem the only way to tell is through the charge limit.

Good news that did the trick !, its a good work around.

Oh here something that i found Growatt shows their MPPT topology. Where does this belong in what you have said?

@kommando Are you refering to this statement on 7.5.11 on page 49 Function 1: Image

As a workaround, i had an idea to actually activate the grid charging, but set it to 1A , hopefully this overrides whatever is causing it to charge.

Hello been using Deye for quite a while and it would be a first time that i got a battery pack that can supposedly communicate to the inverter, I thought it would be pretty straight forward but it would seem not hence i did not ask the seller on how. Anyway it will be next week until i can go...

yes 440vac @60Hz. tomorrow im planning to connect only 1 string, if it still looks weird ill buy a mppt tester to see if the panels output matches what the inverter is saying

yes battery is indeed charging from the grid, the charging happens around 3AM - 6AM where there is no sun. The sun comes out around 7 AM where you can see the battery SOC starts to climb again. Alright ill try to turn disable the activate battery. these settings is taken from the deyecloud.

i forgot to post what balancer i was thinking of using is this from DALY. Hope you familiar with how it works I dont think i can easily get the JK brand in my area On the note, a few of my cell now drops voltage faster than the others, so i was thinking of getting a high current Balancer, but...

Planning to build a 16S1P battery, And it would seem that in my area there are 2 popular BMS brands DALLY and 100BALANCE does anyone have experience on these brand if either of them are okay? they both have offerings to what i need, a simple 100A BMS with an included active balancer, and...

Is the Battery Empty Voltage setting taken into consideration in the calculation of the % ?

I might have found the rule 21 setting, these are all the variables that has CEI021 discription in it, but i do not know how to turn it "off"

I suspect something is wrong with the MPPT of my inverter. I noticed in the past few days that the inverter is reading out that its only recieving 60W from the panels (keeps moving around from 30-60W). So i went up to roof to check, I have 7 string 350W panels, and during the time i was testing...

but im not happy :( because when this pack is decommissioned, i will have a 15S balancer that wont be used again since i have 16s packs.. Anyway i became desperate and contacted DALY themselves to ask this question, hopefully they reply soon, if not im stuck with the 15S

Is there a Deye hotline for customers around the world?

yes grid tied, but i dont think i have the spare energy to back feed since my farm uses atleast 70Kw around the clock. oops sorry forgot about that

Okay something weird is happening now, i disconnected my second battery for now to isolate the problem, and i have 1 - 300AH 15kWh battery connected to the inverter as of the moment. The battery is charging via the GRID ! no settings were enabled to let the battery charge the grid, notice...

It is the first time i heard of that, a quick google search and i still do not understand it ??. It seems to be not a solar settings. what will i tell my manufacturer to disable?

but isnt 448V higher than my PV Array MPPT Voltage Range? (150 - 425V)

Yes there will be no sun for about 6 hours more. I will also contact the manufacturer about these settings. will update again if anything interesting happens

The packs are not with me now since i transfered it to my grandparents home as i got newer packs, so i wont be able to show you pictures immediately. but i can atleast describe it: for example cell 3,7,12 are at 2.4V while the rest of the cell are still at 3.2V: since those cell gets drained...

yes i can but we are on a 440V AC grid, 500 might be too high? How would you like me to take the measurements? like this? L1 - L2 L1 - L3 L2 - L3

Hello I was commissioned to install a 30k system to a location with no net metering support, nonetheless the customer wants to install a solar system, i have sized the system so that the solar will not have enough power to export. With that said, i still have to disable export to grid of the...

Planning on making my own 16S1P lifepo4 battery packs soon, and would like some advice on where to get the batteries. Well i know where to get them (alibaba) but i do not know which brand are best quality ones. Is there already a consensus on this forum for which battery cells/battery brands are...

i am not , i do not have 15Ah packs, my smallest battery pack is a 100Ah 15S2P (50Ah per cell) config. what do you mean by specific 15S balancer? searching in our local 'Amazon' equivalent yeilds many result of 15S balancer, DALY just seem to be the most brand name i could get.

yes, it was updated by deye themselves (not the one who sold me the machines but deye china themselves) and i even specified that those machines be paralleled.

Its not the activate battery, switched it to disable and the battery is charging right now.

what? I did not mention any batteries :unsure: . The inverter by the way is a off grid hybrid. It is set that the battery is for backup only. Now that you mention it the display seems to be indicating that its charging the battery, but on the battery itself the display is not showing that its...

The image from @Brucey pretty much sums it up. I have been reading around and it seems a data logger update might be required.

I am wondering which orientation of the aluminum railings gives the stronger result should i go along with the Purlins (Red Line) of the roof or across multiple purlins (Green Line) ?

Assuming i have 200 Panels @ 49V each and i have 10 MPPTs with a 600V nominal 1000V max what would be the most ideal distribution of panels to the MPPT ? Assuming the setup listed below are within the amps rating of each mppt. What i want to know is which of these produces me more power per...

apologies i actually have 64Kw worth of panels connect to this inverter , and yes i might be generating 300 kWH on a good day if everything was working well. but i was able to generate only 35kWH yesterday , which i would say was a very good day.

I have a problem i have 2 18kW deye inverters that are in parallel configuration wiring are all according to the manual. So lets call Inverter 1 as master and inverter 2 as the slave. each inverter has a 16kW worth of panels attached to them in a 3 string configuration (1 string per mppt per...

What do you call these lever blockers for MCBs I need them to idiot proof transfer switches. I typically see a whole breaker enclosure with this built into them but they are for MCCB. I could find where to get these or even whats the proper term for these

I have a 70kW (at least) load 24/7 so the inverter is in no way near that.

This is not possible unfortunatly it wont fit, and i do not like that edge that sticks out. Indeed im in near the equator just a bit north of the equator

Sadly i cant buy this thing, i just found it in the internet, the brand does not show up in my local online store. Can you link the specific part? i seem to not be able to find this part on interlockkit.com .

In the battery page of deye inverters there is there is a setting called BattResistance, Correct me if im wrong but google says this settings is to accomodate for voltage drop of the cables from the inverter to the batteries during charging? How do you find the correct value? So do i just...

I installed a solar system for a client and i have given them access to the app. They do not like how that the battery SOC is represented as voltage, i had always done it this way because it gives me full control of the batteries. But my client does not like this, understandably so as they are...