Alternative Energy/Solar Power for Home Use [Merged]

[falken]

OT: Saan ba best i position ang window type aircon? Taas, middle or baba ng wall?

Optimum position would be high up the wall, since cold air flows downward and warm air, upwards.

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[shibby75]

Hot air rises, cold air sinks. Not so high naman na hindi ka na abot ng hangin.

[confused shoes]

Back sa solar.

I imported a solar street lamp. Gagawin kong perimeter lighting. Ma try kung gaano katibay.

I also imported solar modules na pang brown out lang with 4 unit E27 bulbs. Malaman kung tatagal. Medyo mahal din kasi pag solar setup na kayang magpaandar ng basic appliances sa bahay. It will take years then bago mabawi. Paano pag nasira sa kalagitnaan, so additional maintenance cost.

[rangeles]

RFSE in Alabang supplies and install solar lamp post using LEDs. Search na lang po sa FB. A good friend of mine owns that company.

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[niky]

OT: Saan ba best i position ang window type aircon? Taas, middle or baba ng wall?

Cold air falls. Best to put it up close to the ceiling.

[MrQ5]

puro solar ba available sa pinas, hassle kasi sa province madami kalapati tapos paminsan minsan may namimilatok na bata. meron na ba yun wind specifically helical type para tahimik at pede sa bagyo.?

[niky]

puro solar ba available sa pinas, hassle kasi sa province madami kalapati tapos paminsan minsan may namimilatok na bata. meron na ba yun wind specifically helical type para tahimik at pede sa bagyo.?

For professional wind installation, the engineers I've talked to recommend a one year study (instrumented data gathering) to determine if the wind patterns in your area make it worth installing a wind generator.

If you don't have the right kind of wind in a consistent pattern, you won't ever achieve ROI (return on investment)... in other words... sayang lang pera mo.

[Ry_Tower]

For professional wind installation, the engineers I've talked to recommend a one year study (instrumented data gathering) to determine if the wind patterns in your area make it worth installing a wind generator.

If you don't have the right kind of wind in a consistent pattern, you won't ever achieve ROI (return on investment)... in other words... sayang lang pera mo.

Agree, hindi kasi reliable wind power kung hindi sustainabe yung supply. Mas madali pa din in most areas of the Philippines yung solar power.

[MrQ5]

Both of you maybe right, but I think your talking about the coventional type wind generator, I'm waiting for the one I saw on tv years back about that wind generator, iirc it's a helical type, even at low wind it can generate power and at high wind like typhoons it does not affect its max rpm as one of its characteristics, max rotation or rpm will be constant even at typhoon strenght wind or a windy day. can be installed horizontally or vertically.
I guess, wala pa siguro nyan dito, sana nabanggit na yan kung nakausap mo. baka may proprietary licenses pa.
sa solar ba, ano average lifespan ng panels commonly available?

[shibby75]

Kelangan mo di pag aralan ang locstion ng solar panel mo. The sun doesnt always rises and sets at the same position (east and west).

Nababago ng position ang araw depende sa season. Summer and december is completely the opposite. Dapat sakto ang angle ng panel to both season. Kundi loss of energy ka din. Baka me saktuhan pa na buildin ang araw.

[MrQ5]

most likely ito yung klase ng wind generator na binanggit ko
http://youtu.be/rW9p7yBJC0U

[niky]

Both of you maybe right, but I think your talking about the coventional type wind generator, I'm waiting for the one I saw on tv years back about that wind generator, iirc it's a helical type, even at low wind it can generate power and at high wind like typhoons it does not affect its max rpm as one of its characteristics, max rotation or rpm will be constant even at typhoon strenght wind or a windy day. can be installed horizontally or vertically.
I guess, wala pa siguro nyan dito, sana nabanggit na yan kung nakausap mo. baka may proprietary licenses pa.
sa solar ba, ano average lifespan ng panels commonly available?

The study is to determine if the amount of energy generated will be commensurate to your investment. Yes, there are generators that can be mounted either horizontally or vertically. And many can generate at low speeds, but you're not generating a lot of power at those speeds. You need constant, high wind to generate enough power to pay for the generator. The fancier and more high tech the generator (composite lightweight materials, etcetera), the longer it will take to see a return on investment.

In the end, you want to generate enough power to achieve ROI before you have to perform major maintenance. And enough every year thereafter to pay for repairs and replacement of bearings, electrical parts, electronics, alternatores, power storage (batteries) and etcetera.

This is also the same problem with solar. The advantage of solar is that the generator itself has no moving parts, but the panels have an effective lifespan of around 35 years at 80% capacity. Which, if I recall right, is just past the ROI period we calculated before... around 25 years or so to ROI, though the batteries throw a curveballl in that equation.

Wind, it can be shorter if you have heavy, steady wind, but mostly longer and sometimes never. And the turbines themselves wear out over time... as all moving mechanisms do.

And all is not rosy: A wind power assembly built to generate at low speeds, won't be as efficient at high speeds. One that generates more power will have too much inertia to spin in low winds.

Here's an interesting article on these new systems, including the one you posted:

The Folly of Building-Integrated Wind - BuildingGreen

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Wind may seem simple... and it's simple to spin a free-standing vertical stack like those ice-cream signs that spin in the wind... but the moment you add a generator to it, you need much more force to spin it.

While commercial wind might be a bit impractical for anyone who doesn't live on a windy hill, that doesn't mean you can't experiment.

One simple thing to do is to build an assembly around an old alternator. That way you can see how much wind and how big a fan or turbine you really need to generate useful amounts of power. Useful, in this case, meaning just under a kilowatt at 12 volts... although you'd need to spin that alternator a few thousand rpms to even get close to that... need a pretty enormous fan with a radical reduction gear for that... ...I've got an old alternator, and I've been meaning to do this for the past few months...

Or make your own alternator, instead:

Alternator and Generator Comparison | Otherpower

[palonmar]

So far sobrang mahal pa rin ng solar power installation and very impractical to somewhat reduce your electric bills. Mayrong provider nyan satin and check this site solar set. With your electric bills, you need millions of pesos to reduce your bill or be self sustainable. If anyone here thinks of buying equipments from China, forget about it coz they will not last long and just a waste of money. There is no money return since they are not reliable and durable enough and so you will end up spending more buying another China branded products. That's how it works for them.

[crazy_boy]

The reason pala bat bumaba electricity consumption namin is the switch to inverter ref. Magpapa survey muna ako ng room for inverter aircon. Most likely mas mura yun kesa sa alternative energy.

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[shibby75]

Mas bang for your money ang inverter tech kesa mag solar ka.

I consume 2-3kwh only for 10hrs of nightime on use of a 1.5hp panasonic inverter. Thats roughly 40pesos per night and 1200 per month.

[crazy_boy]

^yun nga. Kaya napaisip ako sa solar tech. Mas mababa cash out sa inverter and mas mabilis yata ROI.

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[jay1005]

Info naman mga sirs regarding sa installation, operation, maintenance, and legality ng solar power.
TiA

[Wishing]

Legal po ito with respect to MERALCO. Ang lookout nyo lang dapat ay make sure na yung excess capacity ng power ay hindi lalabas. Ang normal flow of power kasi ay from MERALCO transformer papasok sa MERALCO kWhr meter, dadaan sa main breaker mo then papunta sa electrical load or appliance. Pag may solar ka na. Pag may excess capacity ka at nakakabit ka pa din sa MERALCO, mag flow yung kuryente from your solar setup papuntang main breaker, dadaan ng kWhr meter papalabas ng bahay mo to a point na magsupply ka ng kuryente sa mga kapitbahay mo. Yung kWhr ng MERALCO ay designed na kahit paano ang daloy ng kuryente, papasok o palabas, positive pa din ang takbo ng reading. Kaya kahit baligtarin mo ang metro ay hindi ka makakapandaya. Ang mangyari ay nagsupply ka na nga ng kuryente papunta sa MERALCO, dagdag pa ito sa konsumo ng MERALCO bill mo. Ang gawin mo ay pumunta ka sa pinakamalapit na MERALCO branch at mag-inquire ka tungkol sa kanilang "Net metering".

[Manilablock]

with the cost, the practical use of solar panels ay i direct mo ung output sa exhaust fan (radiator fan na 12v). naka install ung fan sa kisame. so pag umaaraw hinihigop ng fan ung mainit na hangin sa kisame, so lagi meron fresh air and keeps the ceiling cool.

mataas pa din kasi ang cost ng batteries + inverters, then magtatabi ka din ng pang maintenance.

[crazy_boy]

Largest solar rooftop panel powers up mall in Biñan | Business, News, The Philippine Star | philstar.com

MANILA, Philippines - The largest self-use solar rooftop power plant in the country was launched yesterday at a shopping mall in Laguna.

The 700-kilowatt Central Mall Biñan solar rooftop project is part of the country’s efforts to promote the use of renewable energy and reduce the public’s dependence on coal-fired power plants.

Premiumlink Development Corp., the company operating Central Mall Biñan, tapped Solar Philippines which designed, constructed and installed at zero upfront cost the entire system.

Solar Philippines and Premiumlink signed a purchase power agreement wherein the energy generated by the solar power plant is sold to the establishment for its own consumption, at a rate lower than the usual electricity rates in the area.

With the power plant on its roof augmenting 30 percent of City Mall Biñan’s total energy consumption, the mall’s management is able to save more than P100,000 monthly on electricity bills.

Spreading over 700 square meters of sunlit roof space, the solar power plant is made up of 2,514 top quality solar panels on steel mounting structures that can withstand wind speeds up to 200 kph. The energy generated by the panels is converted into electricity by 87 inverters, ready to be used by the mall tenants, administration and mall goers, Solar Philippines said.

Business ( Article MRec ), pagematch: 1, sectionmatch: 1


The Central Mall Biñan solar rooftop project is the first solar project granted loan financing by one of the country’s biggest banks, Ayala-owned Bank of the Philippines Islands (BPI).

Furthermore, the project is the first solar rooftop to enjoy tax exemptions and tax credits, as Solar Philippines is the first solar solutions provider registered with the Board of Investments (BOI, one of the investment promotion agencies of the government.

Solar Philippines finances solar rooftop installations at zero upfront.

“An all-in-one solar solutions provider, the company is able to design, engineer, construct, install and maintain large-scale rooftop projects. Its current projects include Central Mall Biñan, SM North EDSA, Robinsons Palawan, and City Mall Roxas,” it said in its profile.

It aims to become the first distributed utility with renewable energy in the country. It offers solar solutions for large corporations, small and medium enterprises, and residential areas.