Makavele's Posts

Nairaland Forum › Makavele's Profile › Makavele's Posts

1 2 3 4 5 6 7 8 ... 22 23 24 25 26 27 28 29 30 (of 79 pages)

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 3:46pm On Mar 12, 2018

gen2ty:
House,

Kindly assist in appreciating team Zeestone for the successful completion of my 6000kW capacity solar system project. The level of professionalism and trust exhibited was unprecedented from the purchase of all the material, transportation and installation. Thanks for the good commendations from the guys here especially GeorgeD and Niyi who gave me a high level of comfort to stake with them.

Gracias!

zeestone; oya my share; one time

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 12:38pm On Mar 10, 2018

DaniellaDokubo:
You will be talking to my lawyers...hihihi (just kidding)

Obviously it becomes my liability and will have to pay for it. Surely its not a destructive testing experiment though, just wanna confirm it can pick up a set of new loads!

Mercury inverters come with overload protection by the way

All inverters come with overload protection . . . but some will fail/disappoint you . . depending on quality of inverter and the kind of load applied ...
If it inverter fails during your experiment, would you be willing to buy it at my "own price" or a direct replacement (because I might not want it repaired) >>>??
Finally, science requires sacrifice . . . close your eyes and get one for yourself, take a leap of faith . . we all did !

2 Likes

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 12:17pm On Mar 10, 2018

DaniellaDokubo:
Hello,

I need a 2.4kva mercury inverter fairly used for purchase.

I want to experiment with it and if it works out then we have a deal. Kindly PM if you have and you live in Lagos.

Thanks.

And if your experiment goes south and you blow up the inverter what happens?

4 Likes

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 9:28am On Mar 07, 2018

Oshomo12:
Vamp spotted!
U no dey sleep ni?

^Singing . . .so mamma say Wizzy: just keep on hustling . . .
so i dey hustle ; no sleep . . .

1 Like

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 2:30am On Mar 07, 2018

bigrovar:
This is totally normal for AGM most can do between 30 to 40% of C20 when charging. ...

1 Like

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 11:48pm On Mar 05, 2018

kiekie1:
Hello sorry for late reply on the inverter thread .. Makavele , Mank , Pranil etc already gave you solid points ... I won't totally go against hybrid systems but mind you, its not as rugged as standalone pure sinewave inverter specs . I have a client who had a 5kva 48v hybrid"name withheld" , it went into flames in less than 2 months ... I also got a call from an Abuja based client today about his newly purchased Ipower hybrid that just blew up and company is busy with normal long drama on warranty . They stated after this repair , if it blows up again within same warranty year , warranty won't cover repairs .. Please feel free to contact me on whatever type you settle for , as regards to discounted prices and 1 year warranty .. Cheer's!

Smartcell global services
081-350-31951

Marketer extraordinaire grin

4 Likes

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 5:37pm On Mar 05, 2018

You would be better off purchasing each component as a stand-alone unit.

Thank me next year.

2 Likes

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 6:53pm On Mar 03, 2018

Saipro:
Heh heh heh

Considering the previous fiasco, why am I not surprised?

Anyway, the point is, this time, the buyer beware clause is clearly stated. The choice is yours.

Him go old be that . . . I can guarantee nobody will buy.

Are you saying if I buy a brand new sealed item from him; and the next day it goes poof ... from no fault of mine . . .

I will have to fork out cash to buy the item all over again ?

There should be warranty for brand new; sealed items.

7 Likes

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 11:44am On Mar 03, 2018

^^^ Are those not brand new items you are selling up there? And you're saying *NO WARRANTY* lipsrsealed

Jame, James, James, how many times I call you ?

6 Likes

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 1:01am On Mar 02, 2018

zellfoxx:
6 mins!!!! Chaiiii. Wait ooo. Let me do small maths. That means for the 24V battery...
210A (1C) to charge it from 0% to 100% SOC in 1 hr/60mins
2100A (10C) to charge it from 0% to 100% in 6 mins
1050A (5C) from 50% to 100% in 6 mins
210A (1C) from 90% to 100% in 6 mins

So in a power loss-free scenario, it'll stilltsje 5C to charge it in 6 mins from 50% DOD... 1050A. Please tell me if I'm wrong ooo. Make i run take cover

1050A x nominal 24V = 25kW power draw during charging . . .

Your street transformer go catch fire grin

Literally !!!

1 Like

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 3:02pm On Feb 27, 2018

davodyguy:
Hello my people.

I need advice

I want to change my inverter, whilst also being conscious about price.

I've been offered Microteck 2kva Pure sine wave inverter at a good price, which is 24v and better than my 1000watts china Inverter at home now.

I also intend to add one more panel, to take my system to 3*300watts Mono panel from the 2*300watts

CC remains 40amps Mppt

Like how many amps will drop into the batteries after upgrade? Max presently is 32amps that drops with strong sun.

Thanks my people

Maybe 37 or so !

hehe kidding

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 3:00pm On Feb 27, 2018

sinistrian:
It's a 200Ah 48VDC bank (4 x 200AH in series). I'm beginning to worry that overcurrent/overvoltage may have blown something on the AC charger part, cos the solar charger looks fine albeit underperforming. If a capacitor popped i would smell it, right?

Not all capacitor pops would smell . . .

have a professional take a look

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 4:09pm On Feb 25, 2018

zeestone99:
Makavele ll use n giv us review sir, dnt wori I ll convince him

Sheybi na MONZ go do the installation bah?

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 3:05pm On Feb 25, 2018

zeestone99:
windmill sir

windmill kor; windpipe nii

Car Talk › Re: You Should Never Remove Your Car Thermostat To Avoid Overheating. by makavele: 3:00pm On Feb 25, 2018

so if your car is overheating..... don't just remove thermostat.

you shuld check

1. thermostat maybe it stuck closed and water cannot flow again, in this case replace with factory OEM type; exact match

2. check radiator for leakages or death . . radiators have a life span and will lose efficiency too. replace

3. check water pump too, it might have broken blades and cannot circulate water well.

4. check coolant temperature sensor. . it might be giving car false temperature readings.

5 . check hoses for tight seal and integrity

and finally

check head gasket for proper sealing, if head gasket is damaged, car might be burning coolant and water will mysteriously be disappearing too.

so as you can see it takes a highly skilled professional to check all these issues and ifind the exact fault

but most naija mechanics are lazy and will just remove the thermostat.

if you read your cars manual, they WARN you nevr to rmove the thermostat whther you live in naija or in hell-fire

I have been driving cars with full a/c in Lagos traffic and nevr for once did I remove my thermostats.

except when a mechanic did it to me

and i spent fuel of 4,500 from Lagos to Ogun state (Nestle industry)

after fixing it back, same journey i spent fuel 1,000.

6 Likes 1 Share

Car Talk › Re: You Should Never Remove Your Car Thermostat To Avoid Overheating. by makavele: 2:55pm On Feb 25, 2018

Now why do ppl remove their thermostats?

it is a shortcut to a problem but not the solution.

if a themostat is removed, the fans will always be spinning 24/7.

ideally fans are only meant to come on when the hot water exits into the radiator.

so the fan will be spinning 24/7 now and the water will always be flowing in and out fo the engine non-stop

so the engine will be way too cold . cos there is no chance for it get to operating temperature.

such an engine can be at 50 degrees ..

all cars that their themostats have been removed, check the temperature guage

they are always below the middle mark and you can drive it from Lagos to Germany, it will still remain there.

the owner is happy, yes my car no dey overheat, but the engine is sad .

because an engine needs to get hot to perform well

the results,

1.a noisy car............ fan always spinning. damn i hate cars like that.

2. fan motor will break down sooner or later

3. engine will always be cold, increased fuel consumption

4. engine is dying slowly

10 Likes 4 Shares

Car Talk › Re: You Should Never Remove Your Car Thermostat To Avoid Overheating. by makavele: 2:51pm On Feb 25, 2018

ICE (internal combustion engines) are designed to run hot and not cold . . at a particular temperature

some cars around 90 degrees celcius; some 95, some 85;; depending on the make (company)

so what happens when you start your car.

the temperature is at ambient temperature (normal) say 36 therabouts or 37 depending on the weather that day.

once the engine comes on andis working, it starts to get hot cos of the combustion process ..

and the guage starts to rise ..

if you car has not been tampered with, in about 2 minutes the guages gets tot he middle.

the engine gets hotter until it reaches its defined temperature limit, say 90 degrees . .

the ECU can see the temperature because there is a coolant temperature sensor fixed into the engine. .

At this point the thermostat valve will open and allow water in the radiator to flow into the engine.

The water is pushed throughout the engine by the water pump ; it has fins/blades that rotate and push water.

the cold water against the hot engine will make the temperature drop from say 90 to 89, 88, 87, 86 and so

when it gets to say 85 degrees, the thermostat will close.

At this point the ECU will send a command to the fans to spin .. (if the car is stationary or slow) . . the fans on the radiator will spin

and remove the heat from the hot water which came out fo the engine . . that's the job of the radiator + fans.

so by now the water is cold again . . the radiator fan turns off

the car keeps moving, temperature keeps rising . when it gets to 90 degress again

thermostat opens, allow cold water to enter engine to cool it down.

the water pump distributes it round the engine and out into the radiator.

the fans on the radiator come on again and cools down the water, thermostat closes again

and this process is repeated until God's kingdom comes

9 Likes 3 Shares

Car Talk › Re: You Should Never Remove Your Car Thermostat To Avoid Overheating. by makavele: 2:43pm On Feb 25, 2018*

A car's cooling system is made up of:

The radiator, the water pump, thermostat, coolant reservoir and hoses; coolant temperature sensor too

. The job of the radiator is to cool the already warm water leaving the engine . . that's why it has fan attached to it.

. the hoses move water in and out of the engine, there are 2 large hoses from the radiator that enter and exit the engine,

one of these hoses houses the thermostat.

the water pump is inside the engine and is driven by the belt as it spins.

the coolant reservoir as you already know is for top-up and a reservoir for extra coolant that might spill out when water expands during heating

3 Likes

Car Talk › Re: You Should Never Remove Your Car Thermostat To Avoid Overheating. by makavele: 2:40pm On Feb 25, 2018

Now for cars ...

Cars were designed to use thermostats. . anybody that says naija is hot, this that is just plain stupid , and needs to go to school.

Arizona is hotter, Dubai is way hotter than naija ... Texas is very hot too. You don't believe, simple google research will do

Stop watching Africa magic and supersports, and start watchign Discovery Life, Discovery Family, NatGeo Wild etc

3 Likes

Car Talk › Re: You Should Never Remove Your Car Thermostat To Avoid Overheating. by makavele: 2:39pm On Feb 25, 2018

Next fridges and air conditions ...

these too have thermostats .. when you turn on the a/c in yur house or the fridge.. it starts cooling and working . .

when it gets to a certain temperature, the fridge would turn off by itself for say 2 minutes or more . . depending on how cold

my freezers sometimes turns off for 1 hours plus when all th contents in it are already solidly frozen.

This is done to save energy bill . . cos at this point, the freezer or house is already frozen cold.. so no need to keep it on

it turns off.

when the a/c temperature sensor starts to detect the slightly warm air, it comes on again . . same for the freezer.

if you go outside your house, and listen to your compressor, you would notice it.

some a/c have turbo mode though, whcich will keep the compressor turned on forever . .but mehn, you will pay heavy electrical bills

Car Talk › Re: You Should Never Remove Your Car Thermostat To Avoid Overheating. by makavele: 2:35pm On Feb 25, 2018

The thermostat is purely a mechanical device .. Theremostats are evrywhere . .

Air conditioning units, refridgerators, irons cars.. so i wonder why only cars are removed.

Take a pressing iron for instance .. after plugging it, the temperature begins to rise depending on the settings e.g. cotton, silk, wool etc

so you can now iron your clothe, but what happens next.

it gets a to set temperature, the thermostat (more precisely, a bi-metallic strip) opens, and cuts the current .. so the iron turns off

and cools down .. when it gets a certain temperature, the strip closes and make the connection again

the iron begins to warm up again . .

Now why don't you all remove the strip from the iron, afterall Naija is already hot .. ?

The iron will not cut off and you will burn you clothes . . .

So the job of the thermostat is to regulate the iron's temperature to prevent you from burning your clothes.

9 Likes 1 Share

Car Talk › Re: You Should Never Remove Your Car Thermostat To Avoid Overheating. by makavele: 2:32pm On Feb 25, 2018

Na so so olodos full Nigeria... no wonder snake dey swallow money anyhow

let me educate you, that is, if you will care to listen

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 11:27pm On Feb 24, 2018

bad weather . . . oooooooooooooooo embarassed

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 11:20am On Feb 23, 2018

duwdu:
Ha! Seriously, any pointers to local real-world private usage around Lekki, please? (I apologize in advance if I omitted previous discussions of it on this thread.)

........
P34c3
.....
...

Have not seen any for close to a decade now !

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 9:57pm On Feb 22, 2018

GeorgeD1:
today's sun is really something else.

i pray for more sun hours like this for us all.

20.8kwh and still counting!

Mehn no sun here for days now.

Maybe cos live just about 1 minute from

the atlantic !

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 9:53pm On Feb 22, 2018

zeestone99:
cc @makavele let's go n steal one controller and some panels afterall if we steal half, he ll stil have enough power.

Oya gbera!!!

Drop the address shaperly

while I arrange some Bariga boiz !!!

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 10:08am On Feb 20, 2018

kiekie1:
Good morning my friend , why not refer this client to an installer especially if he is within Lagos state to save him all this stress . Troubleshooting isn't very easy but the end result is "peace of mind" .. Nagode !

Ututu oma . . .

E never reach that stage nah . . .

When water don pass garri, installer go come in . . .

At least, let him have the basic ideas of "what is" and "what works"

You dig?

1 Like

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 9:36am On Feb 20, 2018

davodyguy:
The idiot that sold the Panel advised we use 600 watts. Its my money and was ready to do 800watts in 4 panels. But he No, cos the inverter is 900watts max output. I was advised otherwise.

So how, how do we solve this discharge issue now?

Most of them that sell these stuffs in the open market are stark illiterates . .

That's how one was telling me, parallel connection last longer ( x 2) than series connection.

I asked even with the same number of batteries, he said yes. Case closed !!!

1 Like

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 9:35am On Feb 20, 2018

davodyguy:
Thank you very much for your response.

Last night, we left 2 bars around 12:00am and powered off the inverter, by 6:00am, battery completely drained.

How do I know? Now its Past 7:00am and its charging from Solar at 0.4 to 0.5 but the battery lever level is starting from 0,1,2,3 to 4. Since we left 2, it ought to have started from 2,3, to 4.

What do you think is wrong?

Thanks

How do you it was drained? Did you check the voltage reading this morning?

Do not use the battery bar indicator as it gives false readings.

Check the voltage of each battery with a multimeter and let us know what you get.

1 Like

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 11:32pm On Feb 19, 2018

p.s.: you need to double your panels... 600 Watts panels cannot sufficiently charge 400ah battery bank;

unless you are discharging to only about 80% each night.

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 11:31pm On Feb 19, 2018

davodyguy:
Hello guys. Urgent need your advice on this

1. I have this 1000 watts invert, 12v
2. Bought two numbers 200amps Gennex batteries since April, 2017 and it was connected in parallel form to keep with the 12v rating of the inverter

3. Today, I decided to do Solar, so I bought 2 numbers 300watts Solar pa Nels and now have 600watts Solar panels
4. The charge controller is 40a E smart Mptt
5. Connection was completed around 6:00pm, so the panel couldn't send a charge.

What we noticed is that despite not loading the batteries at all, the icon on the display screen is constantly showing a discharge. I.e signal keeps going to the bulb on the screen showing a discharge sign.

Though no clamp meter to check is current is actually flowing out, but this lives me confused as to what's going on.

I need advice so I don't regret investing in this.

Thanks all

it is not discharging . . . the load mode is turned on . . .

these tier 2 charge controllers usually have 2 extra ports where you can connect light DC loads like led bulbs and a small dc fan etc.

they are not meant for large loads. .

it has different modes.. it could come on automatically at a preset time; go off automatically, enabled or disabled.

in my case, it comes on around 10am and goes off around 6pm; because i use it to power a small dc fan

which cools the mppt during operation

If you don't like seeing the icon, just disable it.

1 Like

Satellite TV Technology › Re: Solar Energy, A Complement To FTA by makavele: 8:28pm On Feb 19, 2018

sharks776:
Thanks for the correction, I actually mean my inverter uses grid to charge and the charge controller is also connected to the batteries (charges it when the grid is down). 130watts PV ain't easy to come by around here, can I mix with a different watt e.g 300w.

Brah Matiu, you are not permitted to do so.

Do it and you'll essentially have 130 + 130 Watts instead of 300 + 130 Watts

lol

1 Like

1 2 3 4 5 6 7 8 ... 22 23 24 25 26 27 28 29 30 (of 79 pages)