Solar System Calculation For Home / DOD/ Safety Factor l Solar System Calculation

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In this video we can learn Solar system calculation for Home in Step by step calculation.
what is Solar Energy?
Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation. This energy can be used to generate electricity or be stored in batteries or thermal storage.
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In this video we explain very easily for more information learning about this topic just watch and learn.
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8 июл 2022

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Комментарии : 162

@staceyksmith1095 7 месяцев назад

HI, thanks for the video, I came here to refresh my memory. Your video is well executed; however, you have made quite a few blunders that will almost definitely confuse someone who uses this video as a primary source of understanding. 6:11 - Power required from Solar Panel ... take note of your formula... the result is in Watts. 7:17 - Power required from Solar Panel = 3240/(5.84*0.73) = 759.99 = 760 Watts - You can then round this off to 1000W for simplicity. 8:30 - the power required from solar panels should be in Watts (W) and not kilo Watt hours (kWh) Output power of solar panels are in Watts (W). For those who don't know where the 250 came from. May I suggest you add a note saying that you chose this particular size panel for this example :) Anyway, you get the point I hope. Great visual execution but pay a bit more attention to your final product. You obviously understand what you're doing but there were unnecessary mistakes.

@ismaelmbarushimana8423 2 месяца назад

Thanks for clearing the mistakes in the video, but did he approximate to 1000W? is there a formula to use or a standard?

@kyawzintun1586 Год назад

Very nice presentation . Thanks for your kind sharing.

@louisveracitymedia9881 Год назад

Eagle eyed observation👍🏿

@erickolleh1992 3 месяца назад

Why did you multiplied to find the power required from the PV when the formula you put clearly indicates division?

@bdreamy1807 10 месяцев назад

Excellent tutorial.

@abubakarahmadranganda7273 Год назад

Educative ❤ I like it.

@user-wu8bj6go4k 5 месяцев назад

thanks for your presentation.

@bobcole3852 Год назад

Helpful for beginners but could be 5 minutes, maximum

@zmelectrical4597 Год назад

Very clear calculation sir

@CircuitInfo Год назад

Thanks and welcome

@user-up9cn2lv5w 2 месяца назад

Good lesson thanks.

@user-vc5rv8vz8b Год назад

Thank you very clear steps,,,,,,,,,,

@ajithoneiro Год назад

Thank you.....

@waynesmith3318 3 месяца назад

Great presentation, thank you.

@mr.malumaat9247 Год назад

TNice tutorials guy's tutorial is more understanding than the others

@Mr_PK96 2 года назад

👍Nice video bro..

@tettehphilipkwei3905 6 месяцев назад

Your video is the best

@thomasnkhwazi5577 2 месяца назад

This is good

@cjaya2009 Год назад

Thanks for the post. How did you get value 833W as power required from solar panel resolving the formula (3240X5.84X0.73). It gives a value as 13812.768 not 833W per panel. Pl explain. Thanks

@akshayramloll872 Год назад

I think the formala has been wrongly applied here. It should be 3240/(5.84x0. 72). Still I do not get 833w

@yhasanmm Год назад

@@akshayramloll872 yeh, and the result is 800

@emmanuelayodele7901 Год назад

I thought I was doing something wrong when I tried it too.

@raynethbaltimore8428 Год назад

@@akshayramloll872 😂

@maimeujx Год назад

The formula was OK, but it's implementation is wrong and can mislead the whole results.

@user-vx3pc9hp6j Месяц назад

Amazing

@mulokoziify 5 месяцев назад

Thanks

@RemjiusMiyaiodongo Год назад

Do you have something on how to determine battery bank voltage or pv array voltage voltage?Because I think they have a bearing

@sreekumarapk5527 2 года назад

Nice informative video, good luck.

@CircuitInfo 2 года назад

Thanks

@electricianatyourservice Год назад

Helpful! Informative! But I think the right way of choosing charge controller is by identifying the configuration of the solar pv panels and calculating the total (Isc) short circuit current of the array. I also want to emphasize that on designing Solar-off-grid sytem, the autonomy days without sunlight will depend on the location of the installation. Just like in Philippines where sunlight is minimal during rain storms and other weather conditions that usually lasts for 6 days.

@CircuitInfo Год назад

Yes, you are right

@scotto452 Год назад

Very informative! Helped me better assess my current small solar system. I am stilly fuzzy on the relevance of calculating the charge controller current. I understand the functions of the controller, but don’t see how knowing the 83 amps relates to the rest of the system. Still looking . Thx!

@CircuitInfo Год назад

Excellent!, Thanks for watching

@MohammedIslamElshiekhElsmani Год назад

The formulas are not consistent with the calculations. However, this work is very informative

@carlossimoescampos1 Год назад

Congratulations for your video. Considering your exemple of calculation, please let me know if batteries are connected in series or parallel. Thanks.

@phonemyint9565 Год назад

Parallel

@AgronBislimi Год назад

Based on the formula in (5.30 sec) Power Required from Solar panel (W )= (Total Energy (Wh) / Efective Sunschine hours x System Eficiency) We apply the formula in (5.30 sec) and we get not 833 W but we get 760W for "Power Required from Solar panel"

@nicholaskornjaca104 Год назад

I agree and there is an error in the algebra it say x instead of divide !!

@KapahiR 11 месяцев назад

@@nicholaskornjaca104 I get 802w.........==>>>> 3420/(5.84 x 0.73) = 802w not 833w. please check my math! THX

@WirdunaRobbani 9 месяцев назад

the correct one is 760W@@KapahiR

@arnoldalianza6978 7 месяцев назад

Approximately 763W :) cheers

@hermesent5415 7 месяцев назад

Correct. @@WirdunaRobbani

@jorgegsanchez1387 Год назад

Hi, I like your presentation, but, I have a question, at minute 7:39, how did you get the 833 watts?

@yhasanmm Год назад

He did a mistake, the correct calculation is to divide 3240 by the multiplication of (5.84*0.73), and the result is 800.

@RemjiusMiyaiodongo Год назад

There is an error there of division he multiplied instead. YES I ALSO NOTICED

@itorres008 11 месяцев назад

@@yhasanmm Actually, 760W.

@davidoiugavrila2999 4 месяца назад

@user-wc2ll9ir6b 3 месяца назад

@@itorres008 correct answer is 763w

@fandulan 9 месяцев назад

i have a 286,650kwh in my bill statement. Should i just divide by 30 to get the daily consumption and continue with your formula to get the sizing of the solar panel needed.

@khunabgul5410 5 месяцев назад

nice

@mathematician6500 10 месяцев назад

In power required from panel, you multiply sunshine hours with energy... In formula its devision

@IngBey-5710 3 месяца назад

Thanks very much bro for that new approach

@CircuitInfo 3 месяца назад

My pleasure!

@nasseralhajri543 Месяц назад

First of all, thank a lot for great explaination, Can this calculation consider for inverter (controller bulid in with inverter) Or need another way to calculate

@premkumarbista6912 8 дней назад

where is wire sizes calculation sir? thanks for the great vdo.

@fitfrenzy01 Год назад

Multiply the solar power required per hour with the solar panel efficiency to get the total rated power.

@RaviRnandi 7 месяцев назад

Do u have video of sizing of generator

@SundayOluwadiya 10 месяцев назад

Please make clarification on 833watts

@vanstaden Год назад

Your power / energy required per day needs to be calculated according to daylight? Hours of sun×energy= watt hrs

@ChristosKalilas-nk6jr 7 месяцев назад

good evening the 833w. how are they coming out. thanks

@mp4338 14 дней назад

The fond music is enervant. Some repetition on the calcul is not better. Keep the constant calcul until the end. Keep going.

@derolightselectricals Год назад

How did you get the AH?

@shanybiran468 Год назад

1) If the total daily power is 3240 wouldn't you need to DIVIDE by the hours of sunlight (5.84) to get the hourly rating of the solar panel needed? 2) Don't you also need to DIVIDE by the system efficiency? SO if the efficiency were very low (e.g. .50) you would need more power. And if it were high (close to 1) it would be near the output power? If 1 & 2 make sense that would give Power as 3240*(1/5.84)*(1/0.73) = ~760W

@mohamadoubanhoro6678 Год назад

I thought the same too

@itorres008 11 месяцев назад

Yes. This video has so many things wrong it should be taken down.

@WirdunaRobbani 9 месяцев назад

I agree with you

@efrenmaranan9961 Год назад

Sir pwede po kau gawa ng video na 80% ang DOD ng battery para malaman po ang tamang computation.. maraming salamat po...

@user-lo9vo2cq8w Год назад

I just simplified the formula at 8:39 to 9:39 as Number of PV panel required=(Total energy required (Wh))/(effective sunshine hours×output of PV panel×system efficiency). Any comments? Good or bad?

@philaniphungula7100 9 месяцев назад

Sorry, where did you get output power of a solar panel from?

@GAF8673 9 месяцев назад

Thanks for your explanation Kindly explain how yiu arrived at 833 watt.Based on the formula gave 833watt is not correct.pls kindly explain this.Thanks

@RemjiusMiyaiodongo Год назад

Nice video. Very well done I miss the voice though.

@mohsinamir3542 2 года назад

You need to add energy for battery charging then calculating PV panels. Battery size has to be calculated first.

@jayadityakotak3118 Год назад

Need to learn calculations..how come 833w ??

@umarwaziri1833 10 месяцев назад

Please what do you mean by Backup day? Did you meant the time that battery will charge fully or what? Thank you 🙏

@Le_vis254 5 месяцев назад

I think these are the days sunshine will not be available like on cloudy or rainy days. We sometimes call it days of autonomy

@nikhilpowar9261 Год назад

Has anybody solved the mystry of how the 800 watts is calculated?

@kirankumaradusumalli2270 11 месяцев назад

Max power 270, open circuit voltage 39, short circuit voltage 9.18, voltage at maximum power 30.9 current at max power 8.73,,, max system voltage 1000, series fuse rating 20A, ... I have 15 panel can give me calculations

@joet2676 Год назад

On the average my electric bill states I use 800kw a year, except during the summer June, July and August being the highest of about 1,500kw, (Sept the watts start to go down to 800kw). Just knowing how many Kilo Watts I uses a year can I still use the same formula to determine my solar and wind power system for my home?

@CircuitInfo Год назад

yes

@joet2676 Год назад

So, I should set the system to the higher value of 1,500kw since it is my max. And if I do plan on using solar and wind power, the total watts should be reached combined of solar and wind.

@itorres008 11 месяцев назад

On "states I use 800kw a year" you mean a month, right?

@user-ec6cv3fl7u 4 месяца назад

can anybody help me know this answer ( how we calculate effective sunshine hours in india ? )

@florenceluna397 23 дня назад

Step 2: how does 3240 come up? For the total back up energy per day

@vlogsbytouseeqnasir7227 20 дней назад

Please sir reply to this comment please i have one question to ask. Initially you wrote the formula for( power required from solar pv in watts)= total energy required from solar PV(wh)/effective sunshine hours x system efficiency But later in the video after calculating system efficiency you multiply all the terms instead of divide. You did----> power required from solar panel= total energy required x effective sunshine hours x system efficiency. Which one is right? = 3240 x 5.84 x 0.73 this gives 13812.768W IF I DO =3240/ 5.84X 0.73= 760Watts Which one is right? Please clear this doubt please

@davidb.freetime 11 месяцев назад

Where did you get 3420 or os that 3240?

@md.noorulkarim5542 Год назад

Is there any term like” Total Power per day”? The term Power is appropriate.

@georgekamau5298 Год назад

I think it's total power required per hour

@hermesent5415 8 месяцев назад

At total power required per day 4:26 please how do you get 442W?

@RemjiusMiyaiodongo Год назад

I didn't understand where the 442wh came from

@zeddotv 23 дня назад

3240wh consumption is only under 280ah Lifepo4 battery, my formula is 280ah x 12.8v = 3584wh or maybe a 300ah lifepo4 Battery system. 400ah is too much

@NewYTChannel01 Год назад

Hey guys can anybody explain to me how the 442w was calculated?

@Jorge-Molina Год назад

is the sum of the powers of the loads (see first table)

@anthonywickramasingha6918 Год назад

That’s the summation of TOTAL POWER ( Total Power Load x Number of such loads = Total Power

@anthonywickramasingha6918 Год назад

Can you please explain “Power Required from Solar Panel = 3240 x 5.84 x 0.73 & according to you it’s 833 Watts” then it’s rounded to 1000 Watts. I am not clear about the way you get 833 Watts. Please help me to understand this

@yhasanmm Год назад

He did a mistake, the correct calculation is to divide 3240 by the multiplication of (5.84*0.73), and the result is 800.

@carlossimoescampos1 Год назад

@@yhasanmm the result is 759,99 W!

@yhasanmm Год назад

@@carlossimoescampos1 Sure, I did approximation

@bwambaleayon42 8 месяцев назад

the answer was supposed to be 760w since it was division not multiplication

@iandavies9059 Год назад

Utter balony !! 3240Wh should be DIVIDED by 5.84 sunhours to give the Power (W) required to produce that much energy in a day and that result should be DIVIDED by 0.73 to overcome the inefficiency giving 760W not 833W (which appears to be a totally random figure). Also how did 1000W (power) suddenly become 1000Wh (Energy) and then get divided into 4 x250W (back to Power again) panels. 'Total Power required per day' is totally meaningless. That number (442W) is simply the power that could be required at any instant if everything (all listed loads) were switched on at the same time. The 5.84 sunhours is an anual average. To rate your system on 1 day of 'back-up' would mean that it would not work well, if at all in the winter when you are pretty much guaranteed to get fewer hours of useful sun. No mention of batteries in series to raise the voltage and lower DC the current making all the electronics and cabling a lot cheaper. Who really wants an 83A (100A) charge controller or that kind of expensive heavy cabling or those kind of heat losses?

@pelmos1439 Год назад

-11:38 something is wrong with the calculation

@nabilanuzhatmoin5392 5 месяцев назад

But according to the formula wasn’t the total energy required for solar panel supposed to be divided by the Efficient Sunlight hours and System efficiency???

@itorres008 11 месяцев назад

This video is mostly animations and flawed information. The formulas are not presented correctly the hours of sunlight and efficiency should be divisors, as the first slide labeled "Step 2" showed. on the next slide they appear as multipliers - a wrong formula. The number 833W appears out of nowhere and is not equal to 3240 x 5.84 x .73, which is over 13,800W. What is the point of finding and multiplying so many coefficients of efficiency if in the end you're just going to round up 833W to 1000W arbitrarily? On calculating number of panels they divide by 250 as if all the panels in the world generate 250W. And also, they are using the wrong units in certain places, like in the solar panel calculations the output of a panel is measured in Watts, not Watt hours.

@vicnas87 Год назад

On the charge controller sizing something's amiss

@clymir06 Год назад

Agreed! Its oversize. Calculation should be base on the maximum short circuit current of the PV system multiply by number of PV string multiply by safety factor normally 1.25

@vaibhavjagadale7173 Год назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2EhaKj6waxo.html In above video link Is this correct calculation of battery??? Please tell

@rebwarnamo4476 2 года назад

solving correction Tip: Power required from solar panel= 3240 / (0.73×5.84)

@voiceofinsight5811 Год назад

I though I was the only one that noticed. Even that correction gives you 760W approximately, not 833W.

@rebwarnamo4476 Год назад

@@voiceofinsight5811 yeah definitely, but that is the right way to solve

@humphrey-be4et Год назад

@@voiceofinsight5811 Thank God,I got 759.99.I knew it was a mistake

@cvelasquez4205 Год назад

Hi sir can you make a video on how many kilowatts can I save on Hybrid Grid tie per month on 1kw, 2kw, 3kw so on.😊

@Pokergaming_ 9 месяцев назад

Just calculate it bro Learn and calculate for God sake

@cvelasquez4205 9 месяцев назад

Ok smart guy

@hossaintarik7904 Год назад

this nEC code 1.25 is for only US or for other countries as well. please clarify

@rounaqul2020 Год назад

Refrigarator 160W ??? 😁😁😁 , Which company ??? Power ratings 5++ stars !!!

@iaincrawford5472 Год назад

and only 8 hours?

@rounaqul2020 Год назад

@@iaincrawford5472 , he is living in future 😂

@iaincrawford5472 Год назад

@@rounaqul2020 😂

@pradeepnair4302 Год назад

You have copy pasted some calculation are not defined.

@shmayazuggot8558 8 месяцев назад

Huh Battery capacity in AH means nothing, lol a 48v 200Ah Battery is 9600 Watt hours….. Actually this is very bad information and I advise that no one follow this as it is wrong in so many ways I don’t even know where even to start.

@srinivasaraochinka5341 Год назад

I don't understand where the 442w ❓

@srinivasaraochinka5341 Год назад

How can calculation

@CircuitInfo Год назад

Please Watch one more time, u can understand.

@siphiwedlomo3084 Год назад

Hello, I got two 400w solar panels, 3kva hybrid inverter and 200ah batteries. My problem is I can't connect fridge during the day but my wife and children watches Netflix till 6pm then once the sunset, we can't put light on but TV plays till 7h45pm meaning the batteries runs for 2hrs.what can be wrong? Please advise I m in South Africa.

@CircuitInfo Год назад

Thanks for watching, check and calculate load and number of watts. How many hours is required for each load. Then calculate the total watt hours. Refrigerator Watts?. Check the wiring, maybe an unnecessary load is connected.

@bucky5433 Год назад

good information but sad that 75% of the time of the video was spent watching the stupid hand write. Sorry, just being honest.

@clenerongo8845 Год назад

the inverter for my opinion is small if you happen to run all appliances it wont be enough mybe a 4000 or 5000 well do

@ImanovAzer 2 месяца назад

the formula is correct but the calculation is wrong. True 6:15 wrong 7:59

@samitdiohk948 2 месяца назад

I knew something was wrong 😂

@CircuitInfo Месяц назад

Thanks for watching. sorry, a calculation error occurred.

@ImanovAzer Месяц назад

@@CircuitInfo Thank you for the good explanation.

@SAMWEYVLOG 2 года назад

hello sir, from where you gate the 833 watts? if 3240 is multiplied by 5.84 and multiplied to 0.73? and that equal to 13812.768 watts

@macroiu3778 Год назад

its still different from the video stated figure = 833 watts comparing to your updated result = 760 watts

@muhammadhashmi4156 Год назад

Writing too slow

@shanybiran468 Год назад

Change the playback speed... or verify the calculations as they go! 😁

@edistyles5471 Год назад

Most of the formulas are wrongly applied

@sdatt4761 6 месяцев назад

1000 solar panel canot charge 400 ah battery in a day😂😂😂😂😂😂😂😂

@EbioweiYoudeowei-sb6wi 10 дней назад

😢😢😢 don't end up frying your house.

@merakanapalliashok1542 Год назад

In 5:35 and 7:35 min how was the calculation did? I think it was wrong plz answer

@merakanapalliashok1542 Год назад

Ok I got an answer for comments, thanks

@annnonomys3132 9 месяцев назад

Helpful hint. Be concise. This video is long. 19:33. And more than the first minute was entirely waste. Gave up.

@AmilAQs 7 месяцев назад

Power Required from Solar panel is wrong in (5.30 sec) Fake calculations

@mathematician6500 10 месяцев назад

The calculation are not right

@vanstaden Год назад

This is wrong

@CircuitInfo Год назад

Thanks for watching, please suggest.

@kev897 11 месяцев назад

WAY WAY WAY TO MANY FLAWS

@bursatrader5128 Год назад

U failed in maths? misleading calculation.

@sureshkumar-dq1bn Месяц назад

You stop using that bloody handwriting movements.

@tyronvandermerwe2367 4 месяца назад

Ur calculations don't make sense

@hydvynzz6998 6 месяцев назад

Don't follow these calculation, totally baseless.

@sewakramrahi3813 9 дней назад

कारण नही बताया है कि बेसलेश क्यो है?

@omarakram2559 Год назад

Totally wrong, bad chanel