sensisosu:
Hello guys,

I think I’m getting paranoid right now.. I have a 1500w system

12 250w mono installed 2*2 on a 48v inverter system with 4 200a 12v Sukham batteries.
60a epever e tracer

Right now the sun is shinning but total wattage produce is 330-375W, while charging with 7a

First red flag is the 2x2 for a 48 volt system is a no no especially when you are using an mppt charge controller. Once you remove heat and cable length related losses you are left with very little to actually charge your battery.. When you include the extra load of an mppt controller then it would be a challenge to get the required 57.6v required to adequately charge your battery. Switch your configuration to 3*4 ie 3 in series.. This would give your mppt cc enough headroom to pull down voltage for u to be able to enjoy the advantage of a true mppt

Kindly chat me up on this number, 07032687954. Let's see how it goes

GeorgeD1:
pix as referred:

bigrovar:
tbh I didn't really follow your OP however the quoted caught my attention and I feel it should be corrected before someone else subscribe to similar line of thinking. Most MPPT charge controllers are powered by the battery not the solar panel. We should remember that a charge controller is an electrical not a mechanical device. It requires electricity to carry out its functions of regulating and down converting solar from high voltage to lower voltage of the panel. Connecting a CC to PV without battery is basically short circuiting the controller.. The huge amount of energy unregulated coming from the PV can blow through the cc circuitry since they have no where to flow to.

On the question of a full battery.. What happens is the cc (remembered using power from the battery) stays in the higher voltage curve of the PV.. The higher voltage curve has lower current and that is how the system works.. If your battery is low.. The cc would detect the the battery state and move to the optimal curve that allows the battery to be charged using the maximum voltage obtainable at the best current.. There have to be a balance and the cc is always adjusting based on solar Ray. I am sure something with a more in depth knowledge can explain this better.

A well designed charge controller does not blow even if battery is disconnected !- I have specifically checked with Victron and Morningstar ! the official reply was posted a while back . the cheap versions have volatge selection on bootup where battery needs to be connected first to select correct volatge before it starts working it's electronics. may be that is the reason of failuer where the elctronics inside get the unregulated full PV Open circuit (Voc voltage ). it can not be current which causes failure as the massive energy flow you talk about will require some kind of load to sink that current in

kiekie1:


Hello, the both controllers are good but also have their flaws. I have used the ep solar "a tracer series" and worked good for me without issues . I still use the ep solar "I tracer version" and it is still firing like new .. It depends on your choice as both works pending on your configuration and system voltage !

Note: it's easy to fix a defective / faulty ep solar mppt as I have helped a lot of friends in repairs . Cheer's

It's annoying when I see you lie unnecessarily on this forum. When the ep ever (I tracer) I bought from you developed a fault what effort did you make to bring it back to life? When I called on you to show my disappointment you declined and never gave me any support. Honestly I forgave you as I had to forgo that cc which I bought from you at 150,000 and 5,000 for transport making it 155,000. I promised myself I'd rather stick to my pwm cc than go for the so called ep solar cc (I tracer) or whatever you call it. Pls watch what you say on this forum bcus we aren't kids.

obimind:

It's annoying when I see you lie unnecessarily on this forum. When the ep ever (I tracer) I bought from you developed a fault what effort did you make to bring it back to life? When I called on you to show my disappointment you declined and never gave me any support. Honestly I forgave you as I had to forgo that cc which I bought from you at 150,000 and 5,000 for transport making it 155,000. I promised myself I'd rather stick to my pwm cc than go for the so called ep solar cc (I tracer) or whatever you call it. Pls watch what you say on this forum bcus we aren't kids.

Problem SOLVED ! I think Kiekie can still fix it since he claims it can easily be repaired.

Please reconnect him for repairs and feed the house back. This will allow us to know IF KIEKIE 1 is lying and be guided.

obimind:

It's annoying when I see you lie unnecessarily on this forum. When the ep ever (I tracer) I bought from you developed a fault what effort did you make to bring it back to life? When I called on you to show my disappointment you declined and never gave me any support. Honestly I forgave you as I had to forgo that cc which I bought from you at 150,000 and 5,000 for transport making it 155,000. I promised myself I'd rather stick to my pwm cc than go for the so called ep solar cc (I tracer) or whatever you call it. Pls watch what you say on this forum bcus we aren't kids.

Hello nobody lied unnecessarily neither are we kids here as claimed ! We never had any technical support locally when we both transcacted few years ago.. I started posting about repairs when I made contact with a local source who fixes itracer issue . You can always reach me personally if their is any issue as my mobile number is 24hrs ON ... Thanks !

efuro:


Problem SOLVED ! I think Kiekie can still fix it since he claims it can easily be repaired.

Please reconnect him for repairs and feed the house back. This will allow us to know IF KIEKIE 1 is lying and be guided.

Efuro,
Thanks for your candid opinion.! Happy weekend Sir !!

HURRY ! DiSCOUNTED PRICES !!!
CANADIAN 340w Mono panels
340w. N
Solar world 325w mono panels. Made in Germany
..N84,000 (9 units in bulk) SOLD
Must Powerstar inverters (VIL series)
1000w 12v. N85,000
1500w 12v. N95,000
2000w 12v N110,000
3000w 24v. N150,000
4000w 48v. N220,000
5000w 48v. N250,000
6000w 48v. N280,000
10000w 48v. N700,000
10000w 48v HYBRID. N800,000
EP ever 40a 12-24v mppt with MT50 ...N
EP Solar (i-tracer) 60amps mppt..... ....... N125,000
Pro solar roof mount set .....N30,000
UNI-T DC/AC true RMS clamp meter.....N22,000
DC voltage led meter .........N4,000
Prag products; 10-150kva (45-270vac input) servo or relay stabilizers
Discounts on all our Prag product online prices
DC breakers 10-63a ....N3-4k
DC breakers 63a double pole....... N7k
USA trojan battery 12v 200a (J200RE) -N128,000 "promo price quantity above 1"
USA trojan battery 12v 205a (AGM) -N......
If you are for AGM SMF batteries :
-kung Long battery 12v 200a N.....
-Quanta Amaron 12v 200a N124,000
-Mercury 12v 200a N98,000
NOTE: USA trojan sealed agm 6v 315a (L16) battery is now in stock , promo price ....... N148,000
Mouth watering discounts on;
-Solarshop Nig products
-Prag products
-Back2back distribution partners
-Luminous products
-Voltron inverters etc
CALL US NOW:
Smartcell global services
Order now 081-350-31951

Chat me up I may b able to fix it for you.

obimind:

It's annoying when I see you lie unnecessarily on this forum. When the ep ever (I tracer) I bought from you developed a fault what effort did you make to bring it back to life? When I called on you to show my disappointment you declined and never gave me any support. Honestly I forgave you as I had to forgo that cc which I bought from you at 150,000 and 5,000 for transport making it 155,000. I promised myself I'd rather stick to my pwm cc than go for the so called ep solar cc (I tracer) or whatever you call it. Pls watch what you say on this forum bcus we aren't kids.

This your Canadian 340w mono panels...When are you gonna finally publish their prices.?

kiekie1:
HURRY ! DiSCOUNTED PRICES !!!
CANADIAN 340w Mono panels
340w. N
Solar world 325w mono panels. Made in Germany
..N84,000 (9 units in bulk)
Must Powerstar inverters (VIL series)
1000w 12v. N85,000
1500w 12v. N95,000
2000w 12v N110,000
3000w 24v. N160,000
4000w 48v. N220,000
5000w 48v. N250,000
6000w 48v. N280,000
10000w 48v. N700,000
10000w 48v HYBRID. N800,000
EP ever 40a 12-24v mppt with MT50 ...N
EP Solar (i-tracer) 60amps mppt..... ....... N125,000
Pro solar roof mount set .....N30,000
UNI-T DC/AC true RMS clamp meter.....N22,000
DC voltage led meter .........N4,000
Prag products; 10-150kva (45-270vac input) servo or relay stabilizers
Discounts on all our Prag product online prices
DC breakers 10-63a ....N3-4k
DC breakers 63a double pole....... N7k
USA trojan battery 12v 200a (J200RE) -N128,000 "quantity above 1"
USA trojan battery 12v 205a (AGM) -N......
If you are for AGM SMF batteries :
-kung Long battery 12v 200a N.....
-Quanta Amaron 12v 200a N124,000
-Mercury 12v 200a N98,000
NOTE: USA trojan sealed agm 6v 315a (L16) battery is now in stock ....... N148,000
Mouth watering discounts on;
-Solarshop Nig products
-Prag products
-Back2back distribution partners
-Luminous products
-Voltron inverters etc
CALL US NOW:
Smartcell global services
Order now 081-350-31951

kiekie1:


Hello nobody lied unnecessarily neither are we kids here as claimed ! We never had any technical support locally when we both transcacted few years ago.. I started posting about repairs when I made contact with a local source who fixes itracer issue . You can always reach me personally if their is any issue as my mobile number is 24hrs ON ... Thanks !

It's OK. That being the case I'll get in touch with you as requested. Thanks!

mank1234:
How reliable are the inverters with built-in MPPT solar controller in terms? Do they track well?

The Axpert series of inverters white labelled as ipowerplus in Nigeria are quite good. We have 2 at work 4kw models with 2.2kw solar panel attached.. They track quite well and are very fast at sensing battery load and respond very fast.. The Axpert series is very popular and quite reliable. I can't speak for other brands that ship with built in controller sha.

Egbon, I'll advise you get a standalone scc to support your ministry.

I notice my Axperts (Gennex) go to float too quickly. The absorb phase is really short, like 10 minutes or so if I remember correctly. Pranil can confirm.

In addition, it takes about 35 seconds for it to track and acquire mpp after a brief cloud cover. My Classic does this without breaking a sweat

Back to your reliability question, updating the firmware may help. I do not think Inverters with inbuilt scc are effective solar chargers. They may kill your expensive batteries in the long run. Always support them with a standalone scc.
Good luck Charlie...

DMerciful:
Chat me up I may b able to fix it for you.

Thanks for the voluntary effort Sir !

zellfoxx:
This your Canadian 340w mono panels...When are you gonna finally publish their prices.?

Good evening Sir, i don't publish prices of products that's finished or out of stock. we are expecting new stocks , I will update you on availability when in stock . Thanks

DMerciful:
Chat me up I may b able to fix it for you.

Pls i have an epsolar 40 amps thats is behaving strangely. It drops and limits input pv voltage to 14v.
It temporarily corrects its self when ever i disconnect and reconnects the PVs it corrects back to the expected input pv of 70-80v but only to revert back to displaying 14v input pv within 30mins.

System is a 12v system
Inverter is a pscsolaruk....branded.
Pv is a 2 x 340w Canadian Solar connected in series.
Cc is an epsolar 40a.
Can you help pls..

I do believe your PV input voltage headroom is too high in this your config.

You are using 70v on the PV side to charge batteries that will charge at a max rate of 15v since you have a 12v nominal system - the MPPT buck converter must be working double duty to 'down convert' with a 55v headroom and this is an el cheapo controller mind you.

Please consider putting your two 340w panels in PARALLEL - disconnect all PV and also switch off PV to CC breaker - combine the 2 panels' positive wires into the PV to CC incoming positive and also combine the 2 panels' negative wires with the PV to CC incoming negative wire. With this new scenario you should be getting 35v or so on the PV side which is more than sufficient headroom to down convert and charge your 12v batteries.

The PV to CC amperage will double with your panels in parallel vs series - what gauge/thickness of wire are you using?

Please make the changes indicated and let us know the outcome.

blazeup:


Pls i have an epsolar 40 amps thats is behaving strangely. It drops and limits input pv voltage to 14v.
It temporarily corrects its self when ever i disconnect and reconnects the PVs it corrects back to the expected input pv of 70-80v but only to revert back to displaying 14v input pv within 30mins.

System is a 12v system
Inverter is a pscsolaruk....branded.
Pv is a 2 x 340w Canadian Solar connected in series.
Cc is an epsolar 40a.
Can you help pls..

NiyiOmoIyunade:
I do believe your PV input voltage headroom is too high in this your config.

You are using 70v on the PV side to charge batteries that will charge at a max rate of 15v since you have a 12v nominal system - the MPPT buck converter must be working double duty to 'down convert' with a 55v headroom and this is an el cheapo controller mind you.

Please consider putting your two 340w panels in PARALLEL - disconnect all PV and also switch off PV to CC breaker - combine the 2 panels' positive wires into the PV to CC incoming positive and also combine the 2 panels' negative wires with the PV to CC incoming negative wire. With this new scenario you should be getting 35v or so on the PV side which is more than sufficient headroom to down convert and charge your 12v batteries.

The PV to CC amperage will double with your panels in parallel vs series - what gauge/thickness of wire are you using?

Please make the changes indicated and let us know the outcome.

I doubt that is the reason why Pv input drop down to 15v. Although the tracer is relatively alcheapo yet they do make quality cc with solid components. My fast cc sets of cc were tracers I went from the RN to A to the BN series. The only issue I had with them was slow tracking they excelled best with high vmp from the panel. My first config was using the tracer on a 12v system with Pv vmp at close to 65v and voc at North of 70. Total wattage stood at 500w and the system performed fine without any issue at all. I upgraded to a 24v system for better efficiency and performance. Something is definitely wrong with op tracer. If it is under warranty then he might want to take it up with the company they do respect their warranty.

DMerciful:
Chat me up I may b able to fix it for you.

Chief engineer

davodyguy:

Chief engineer

Davodyguy please where can I fix a faulty gennextech inverter?

sinistrian:

Davodyguy please where can I fix a faulty gennextech inverter?

Call Any Gennex center.
Wetin happen?
Or email me so I give you numbers to call

davodyguy:

Call Any Gennex center.
Wetin happen?
Or email me so I give you numbers to call

Inverter suddenly started drawing excessive current from batteries, with no load connected. I've sent you an email.

sinistrian:

Inverter suddenly started drawing excessive current from batteries, with no load connected. I've sent you an email.

Funny thing is this.

My Pray also started doing same thing and I've decided to check my connection as well, before complaining.

Would respond to you

Juokorow:

Thanks again for perseverance over the botman! Two questions, please. Where you able to control the leaks with silicone or other methods. Given that my the house that I am currently finishing has been piped with Protek in mind, could you recommend an alternative? Thanks.

yeah i was able to reduce the leaks to manageable levels using the silicone but would still prefer a
complete replacement of the hot water tank if i had a choice.

i can't really think of any alternative right now but you can browse konga or jumia for options.

tholuxanny:
Kindly chat me up on this number, 07032687954. Let's see how it goes

check your watsapp bro

kiekie1:
HURRY ! DiSCOUNTED PRICES !!!
CANADIAN 340w Mono panels
340w. N
Solar world 325w mono panels. Made in Germany
..N84,000 (9 units in bulk)
Must Powerstar inverters (VIL series)
1000w 12v. N85,000
1500w 12v. N95,000
2000w 12v N110,000
3000w 24v. N150,000
4000w 48v. N220,000
5000w 48v. N250,000
6000w 48v. N280,000
10000w 48v. N700,000
10000w 48v HYBRID. N800,000
EP ever 40a 12-24v mppt with MT50 ...N
EP Solar (i-tracer) 60amps mppt..... ....... N125,000
Pro solar roof mount set .....N30,000
UNI-T DC/AC true RMS clamp meter.....N22,000
DC voltage led meter .........N4,000
Prag products; 10-150kva (45-270vac input) servo or relay stabilizers
Discounts on all our Prag product online prices
DC breakers 10-63a ....N3-4k
DC breakers 63a double pole....... N7k
USA trojan battery 12v 200a (J200RE) -N128,000 "promo price quantity above 1"
USA trojan battery 12v 205a (AGM) -N......
If you are for AGM SMF batteries :
-kung Long battery 12v 200a N.....
-Quanta Amaron 12v 200a N124,000
-Mercury 12v 200a N98,000
NOTE: USA trojan sealed agm 6v 315a (L16) battery is now in stock , promo price ....... N148,000
Mouth watering discounts on;
-Solarshop Nig products
-Prag products
-Back2back distribution partners
-Luminous products
-Voltron inverters etc
CALL US NOW:
Smartcell global services
Order now 081-350-31951

Quanta 12v/200Ah @124k??
that's very interesting... very good

Barezzi:
Egbon, I'll advise you get a standalone scc to support your ministry.

I notice my Axperts (Gennex) go to float too quickly. The absorb phase is really short, like 10 minutes or so if I remember correctly. Pranil can confirm.

In addition, it takes about 35 seconds for it to track and acquire mpp after a brief cloud cover. My Classic does this without breaking a sweat

Back to your reliability question, updating the firmware may help. I do not think Inverters with inbuilt scc are effective solar chargers. They may kill your expensive batteries in the long run. Always support them with a standalone scc.
Good luck Charlie...

the AExperts are quite good compared to their pricepoint serving their primary purpose i.e. supplying residential load from solar and battery when grid is missing - A few clever tricks allow them to optimize the use of solar etc .
For critical or industrial purposes there are many options out there but at a higher price point

as Barezzi pointed out they go to float too quickly ( can be solved with a firmware hack) and aprt from the 60 V 5 KVA/5KW model cannot equilize . also mind you that, most of the components used have been quoted to have 2000 hours of active use based on the autrialian fan user club testing

in my opinion, it is a great first system to get familiar with solar as takes out a lot of guesswork and gives easy monitoring using PC.

or if you are like me who loves to hack things and play with them and on a budget wants to have a fallback system with lots of power required to support a heavy load and don't mind the attendant losses

pranil:


also mind you that, most of the components used have been quoted to have 2000 hours of active use based on the autrialian fan user club testing

Could you explain your comment above, a bit more?

NiyiOmoIyunade:
I do believe your PV input voltage headroom is too high in this your config.

You are using 70v on the PV side to charge batteries that will charge at a max rate of 15v since you have a 12v nominal system - the MPPT buck converter must be working double duty to 'down convert' with a 55v headroom and this is an el cheapo controller mind you.

Please consider putting your two 340w panels in PARALLEL - disconnect all PV and also switch off PV to CC breaker - combine the 2 panels' positive wires into the PV to CC incoming positive and also combine the 2 panels' negative wires with the PV to CC incoming negative wire. With this new scenario you should be getting 35v or so on the PV side which is more than sufficient headroom to down convert and charge your 12v batteries.

The PV to CC amperage will double with your panels in parallel vs series - what gauge/thickness of wire are you using?

Please make the changes indicated and let us know the outcome.

I have changed connections as advised.
The CC performed well till around 4pm and then reverted back to 14v again.
I got a good charge today but my problems are not over yet.
This seems to happen during periods of low pv yield.

kiekie1:


Hello nobody lied unnecessarily neither are we kids here as claimed ! We never had any technical support locally when we both transcacted few years ago.. I started posting about repairs when I made contact with a local source who fixes itracer issue . You can always reach me personally if their is any issue as my mobile number is 24hrs ON ... Thanks !

your cockiness is amazing. all you truly care about is making sales, money

my few convo with you is always about pressing the client to close a deal, there is always this rush tone you have!

You ought to have stated it that you will reach him to discuss further or to ask him the status/avalability of the said CC or to enquire if he is still interested in fixing it but here you are asking him to reach you "IF" there is any issue

what the complainant stated previously wasn't that an issue?

Better work on your customer care, when folks begin to deal with you Because there is no alternative, sorry will be your name the day a good competitor comes on the scene

The NairaLand spam bot keeps working overtime to ban our legitimate posts.

Good to know you are seeing some improvement now - is it possible you have some shading/shadow on your panels in the evenings from around 4pm? e.g tree line, tree branches or tall building, fence, water tower/tank casting shadows on your panels?

Please check and revert.

blazeup:


I have changed connections as advised.
The CC performed well till around 4pm and then reverted back to 14v again.
I got a good charge today but my problems are not over yet.
This seems to happen during periods of low pv yield.