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How to make your own home solar. With Pictures + solar book
- Thread starter awinahe
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ang design kasi ng MPPT scc ay para sa mga high voltage panel (panels na ginagamit sa grid tied)... halimbawa ang EPEVER MPPT 20A ay pwede hanggang 100V na panel (according to the specs).
Kung 300W 12V panel ang gagamitin (parallel)... 300W / 12.1V (battery voltage at 50% DoD) = 24.8A... medyo labas na sa rated amps ng scc... therefore hindi ko sigurado kung pwede.... pero kung gagawin 24V ang battery (300W / 24.2 = 12.4A), siguradong pwede ang 20A scc.
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share ko lang yung tinesting kong nabasa ko dito rin lately na ginamitan ang rice cooker ng inverter para makapagluto ng kanin......well effective nga!
View attachment 279606ginawa ko ito ng 7:30 am kaninang umaga hindi pa gaano charged ang batts ko ayon sa watt meter 12.70v at 4.95Amps na generate ng panels that time....View attachment 279607 after mga 3 mins nagwarning na si lumiax 20 amps mppt na binahayan na din ng insekto yung LED charging indicator
dko pa tinanggal hintayin ko pa maghatch yung baby sa loob je je je.View attachment 279609 after mga 10 mins at untiunti na rin lumalakas si haring araw tumaas ang generate na amps ng panels at 6.12 amps syempre tumaas din voltage kunti at 12.79v yung 3 lata ng condensa na bigas (yun po ang gamit ko panukat ng bigas pag nagluluto) aynaluto ng 35 mins. yung rice cooker na gamit ko ay 400 watts AC.View attachment 279617 pagkatapos maluto around 8:10 am akyat agad sa 13.13v ang batts @ 8.83 amps na generate ng panels ko. View attachment 279618 at syempre natanggal na rin ang low battery warning sa lumiax mppt......View attachment 279620 ayan na po...lutong luto na......bukas mga 11:00 ako magstart magluto para hindi abotin ang low battery warning ni lumiax mppt......good day babalitaan ko kayo ulit pag naghatch na yung baby insect sa luniax mppt controller.....
View attachment 279606ginawa ko ito ng 7:30 am kaninang umaga hindi pa gaano charged ang batts ko ayon sa watt meter 12.70v at 4.95Amps na generate ng panels that time....View attachment 279607 after mga 3 mins nagwarning na si lumiax 20 amps mppt na binahayan na din ng insekto yung LED charging indicator dko pa tinanggal hintayin ko pa maghatch yung baby sa loob je je je.View attachment 279609 after mga 10 mins at untiunti na rin lumalakas si haring araw tumaas ang generate na amps ng panels at 6.12 amps syempre tumaas din voltage kunti at 12.79v yung 3 lata ng condensa na bigas (yun po ang gamit ko panukat ng bigas pag nagluluto) aynaluto ng 35 mins. yung rice cooker na gamit ko ay 400 watts AC.View attachment 279617 pagkatapos maluto around 8:10 am akyat agad sa 13.13v ang batts @ 8.83 amps na generate ng panels ko. View attachment 279618 at syempre natanggal na rin ang low battery warning sa lumiax mppt......View attachment 279620 ayan na po...lutong luto na......bukas mga 11:00 ako magstart magluto para hindi abotin ang low battery warning ni lumiax mppt......good day babalitaan ko kayo ulit pag naghatch na yung baby insect sa luniax mppt controller.....Attachments
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- Thread Starter
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share ko lang yung tinesting kong nabasa ko dito rin lately na ginamitan ang rice cooker ng inverter para makapagluto ng kanin......well effective nga!
Thank you for sharing your cooking experiment!
So do you cook everyday your rice on solar? Baby insects in your controller??----------------------------------------------------------------------------------------------------------------------
info
Liquid fuel from solar energy is now possible
https://www.weforum.org/agenda/2016/07/scientists-can-now-create-liquid-fuel-from-solar-energy?utm_content=buffer3a261&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer
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paminsan minsan po kung malakas ang araw medyo umpisa pa lang umulan dito area ko. ngayun nga lang umulan dahil sa bagyo.....yung insect di naman siguro umabot sa loob peborit lang nila gawan ng bahay yung nga butas ng led indicators maraming beses na ako tumanggal ng ganun pero ngayun ko lang hindi tinanggal baka sakali hindi na rin sila babalik pa at mamahay dun pinagbigyan ko na lang....je je je
three days na... makulimlim pa rin dito sa location ko dahil kay typhoon carina... hindi napu-full charge ang battery ng solar panels... mabuti na lang at meron ako AC battery charger... share ko sa inyo ito (sa consoletronix.com ay 1.2K ang presyo)... more than two months ko na ginagamit sa 70AH solar master... lumalabas na two-stage charger lang siya... walang float charge... meaning, dapat i-stop na ang charging kapag less than 1A na lang ang charging amperes...btw, meron siya internal fan pero linagyan ko pa rin ng external fan na 5VDC, para ma-dissipate agad ang heat.
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Good am. Balak ko din bumili ng AC charger, but I have no experience about its operation. Wala na po bang tatangalin sa mga terminal ng battery bago isaksak ang AC charger? Puede bang magcharge si solar simultaneously with the AC charger? In other words, wala na bang gagalawin sa setup except connect the AC charger? Makulimlim nga dito sa amin due to the typhoon, although nag-charge nang kunti. How about if the batteries are connected in parallel? One by one po ba ang charging o sabay-sabay na without removing the connector? Salamat
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sa akin ay pa-isa-isa lang ang pag-charge... ang AC charger kasi ay rated in charging amperes... since 10A lang ang AC charger ko, then max of 100AH battery lang ang pwede kong i-charge (10% of 100AH = 10A)...
if compared to a powerstar W7 for 12V battery, the charging amperes is 70A, therefore kaya nya i-charge up to 700AH capacity... please correct me if my readings is wrong)... (powerstar W7 for 12V battery is charger/psw inverter, price is 14K).
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Salamat po dito sir, maam Malaking tulong po eto sa tulad ko na gustong Bumuo...
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Totoo iyan Sir Dondowyn84. Ako at marami pang members dito nagsimula out of nothing. Ang advice at suggestion , lalo't na galing kay Mam TS at Sir Tristan, ay very valuable at insightful, at walang ulterior motive kundi makatulong sa mga newbies gaya natin. Ito yata ang isa sa mga long running threads.
actually sihi-share ko lang ang mga readings and experiences ko about DIY small solar setup... pero sobra akong na-encourage ni ma'am TS... kasi aside from babae siya ay hindi pa siya gumagamit ng solar charge controller... siya mismo ang controller ng solar niya... sa una ay nagtaka rin ako, pero after more than two years (3years this coming october) of using solar, alam ko na rin ang tekniks na ginagamit niya.
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Thank you all for these nice comments
I'm very happy to know that this thread is helpful for some, this was my aim. Although, I'm not an expert in solar (far from it) and I don't have all the answers, I'm always happy to share my experience and little knowledge. A special Thank You to Sir Tristan who never stop helping people in this thread 
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After 5 years of good and loyal service, one of my batteries died... R.I.P...
I notice yesterday that the voltage was not right in the morning... check the water and found out that one had almost no more water! After refill and recharge on solar (still connected to the battery bank), this morning the voltage was only 12.52... we did not use our solar yesterday and the batteries were not fully recharged because of the weather, but still...
After removing the battery from the battery bank and checking the voltage of each cell. it appears that there is a short... the battery voltage is now 10.97... patay na talaga
Anyway, this will give the chance to experiment with it... First I will try a desulphatation but I'm not very optimistic about it! Will try also to drop it to break the sulphate and last I will convert it to alum battery...
Now I'm expecting my 2 other batteries not to last very long so we must save to buy new ones
^ assuming that the daily DoD is 25% for 5 years, the energy generated is worth Php 6,570.00... pwede nang ibili ulit ng new battery.
25% of 120AH = 30AH x 12V = 360Whr x 365days = 131,400Whr x 5years = 657KWhr x 10pesos = Php 6,570.00
25% of 120AH = 30AH x 12V = 360Whr x 365days = 131,400Whr x 5years = 657KWhr x 10pesos = Php 6,570.00
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The price of 1 Kwh in Palawan is around 13 pesos (see, we are very lucky to have Malampaya
)!! For now I think that we will just keep our 2 last batteries until they die coz I don't want to buy a brand new one and add it to my battery bank (they are too old already)... when they will be all dead , it will be time to invest at least in 2 new ones!
applicable pa ang first page... pero ito ang bago...
CTEK D250S DUAL Universal 12-Volt Battery Charger - Multiple 12-Volt DC Power Sources
https://www.etrailer.com/Battery-Chargers/CTEK-Power-Inc/CTEKD250S.html .... Price:$282.99
The above diagram illustrates the D250S receiving input current from both a solar panel and an alternator and charging a service battery. The charger is made just for situations in which no AC power is available, making it great for the marina, farm or any remote place not connected to the grid.
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yup... applicable pa... although I could add a paragraph about hybrid inverters... but I'm lazy
Anyways, if you have any question, don't hesitate to ask!!- - - Updated - - -
Nice one! Interesting concept but a bit expensive!
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sir beerlord... yung isa kung cdr king UPS ay linabas ko ang 12AH battery dahil hindi na magka-kasya sa casing... ang original na battery nito ay 7AH... meaning linakihan ko ang battery... so far OK naman (kaya i-full charge, ginagamit kong backup power ng pc)... HOWEVER... hindi ko pa nasusubukan sa mas malaking battery, kung kaya i-charge...[/QUOTE]
@Sir TristanWS, meron din ako UPS and 12v12ah batt. automatic ba hihinto charging nun kapag puno na? thanks po. newbie here
@Sir TristanWS, meron din ako UPS and 12v12ah batt. automatic ba hihinto charging nun kapag puno na? thanks po. newbie here
