The Alternative Energy Thread - Generators, Solar, UPS, Wind

[nawan885]

Slam all
what will be the cost on installation of solar system.
Reqs are 2-3 fans. With 3-4 energy savers around 20watt.

Wapda sucks in night too so I also need 2-3 hours night backup.
Or should i go for UPs system

AoA , is there any reliable place in pindi or Islamabad for a 800 to 1200 watt solar panel setup ? some one who can do full installation from a to z. plz share contact info . thanks a lot

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Call this person jamal..located in I 10.these are big suppliers but also provide 600 watt hybrid system suitable for 3 to 4 fans..I got 1 kva pure sine wave inverter from them worth 25000. Rest panels and cabling and fittings I did my self..overall satisfied. .
I want to add 300 watts more to this system. ..tesla is supplying it own brand @ 75 / watt..is it good buying from them or should I get from my local suppliers. ..both claim it to be a grade

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[nawan885]

Asl. I want to add some more panels..previously i used cell germany brand grade A..this is chinese brands.

Now i want to add 300 watts more panels. But this time i got sunlink solar panels made in pakistan. Built quality is slightly less with following spec. Should i return these and get same brand or vice versa

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[JustFarooq]

Asl. I want to add some more panels..previously i used cell germany brand grade A..this is chinese brands.

Now i want to add 300 watts more panels. But this time i got sunlink solar panels made in pakistan. Built quality is slightly less with following spec. Should i return these and get same brand or vice versa

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Do u want to attach these new panels in series or parallel to old panels?

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[nawan885]

@justfaroooq
I want to connect in parallel as it is a 12 volt system

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[JustFarooq]

@justfaroooq
I want to connect in parallel as it is a 12 volt system

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Then it might work as there is no much differ in A and V ratings

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[saadmubeen]

From where can i get the solar panels racks or stands? I am in Karachi, pls guide.

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[nawan885]

Can someone describe why is this difference
Display shows 6 A at 3pm
While using voltmeter I get this much amp

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[JustFarooq]

Can someone describe why is this difference
Display shows 6 A at 3pm
While using voltmeter I get this much amp

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On which cable do u use ammeter?

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[JustFarooq]

It seems that u meter in not for DC ?

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[DUDE007]

Can someone describe why is this difference
Display shows 6 A at 3pm
While using voltmeter I get this much amp

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Dont put clamp on both wires, only live or ground.

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[nawan885]

I used to clamp only one wire at time..PV input wire

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[nawan885]

AC output wire current with three fans in 1.58 amp

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[elxlr]

Abid makes or fixes:

1. UPS
2. Stabilizers
3. Fixes sound system ( his clients are coke studios in past )
4. Fixes AIR conditioner Kits if he has the tools

5. Converted my 12 fan running on battery into Battery powered fan where in stock no batteries system just terminals hanging out of fan backside. While he put two sogo batteries under its base and not my fans are battery powered.

6. Any many things.

JazakAllah.

Dr Adnan

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[huzaifa.haroon]

No electricity since 11 PM. Very less sunlight but Alhamdulilah inverter running.

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[huzaifa.haroon]

Bro as I dont have much experience in this field but heard many chinese brand A grade panels price start from 65PKR per watt and names are
Jinko
Renesola
Yingli
Kingdom solar
These are major chinese brands I know yet.

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Also suntech i believe. But A grade starts from 75/w i think. Lots of rebranding and copying going in the market

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[JustFarooq]

Also suntech i believe. But A grade starts from 75/w i think. Lots of rebranding and copying going in the market

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Bro you're going to post your solar stars but not yet?

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[huzaifa.haroon]

Bro you're going to post your solar stars but not yet?

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I checked the inverter buy unfortunately deleted by the inverter unfortunately but i came across these generation figures on my second Inverter (don't know if its annual figs or not) here i am posting.
This inverter is 3300w system.
Have two systems running one is 165w*20 and one is 165*18

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[huzaifa.haroon]

At 10.5 volts battery is 0% charged.

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The max charging current should not exceed to 10% of battery size i.e 10 Amp for 100 Amp battery it will take 10 hours but won't destroy the battery and it's the optimum setting also.

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[JustFarooq]

I checked the inverter buy unfortunately deleted by the inverter unfortunately but i came across these generation figures on my second Inverter (don't know if its annual figs or not) here i am posting.
This inverter is 3300w system.
Have two systems running one is 165w*20 and one is 165*18

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This is your total energy produced by inverter till now may be over an year and it seems that you produced almost 40000+ worth of electricity mashaAllah

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[huzaifa.haroon]

This is your total energy produced by inverter till now may be over an year and it seems that you produced almost 40000+ worth of electricity mashaAllah

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Yes, This year 6 months, last whole year. 19 months ago i think we installed it.
Will post same units of my inveter. I checked bill of this year and the more then bill, the more the taxes. Upper portion bill was 10900 approx unit cost incl tax was 15.5Rs.
Our bill of basement was 6600rs and the unit cost with taxes came to 13.5 i think. The load on our inverter is more, I hope the introduce net metering soon so we don't lose energy if not being used.

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