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What is the photovoltaic generation?

9b — Sun, 10 Jul 2011 18:57:19 +0000

“Photovoltaic generation” to be concerned. However, worrying, “The introduction cost is high” and” “Because of set up and maintain serious might be also more abundant. Certainly, though it is glad to be earth friendly ･･･ If it is not gentle even to the purse, it cannot launch out into the introduction easily. Then, what on earth one is the “Photovoltaic generation”?
The photovoltaic generation is called the solar power generation, and a new power generation method that converts the energy of the light of the sun directly into the electric power. The electric power equipment of solar battery is used for conversion. The one that various compound semiconductors were made a material in addition is being put to practical use though the silicon solar cell is a main current. The energy of the sun is energy that can be reproduced. Therefore, there is neither doing resource [wotori] [**] like oil etc. nor being dry up in the future. Moreover, the effect of the Global warming control that the amount of the exhaust of the advantage and the greenhouse gas (heat-trapping gas such as carbon dioxide) that eases the peak of the power demand in daytime can be reduced can be expected.
It is one side, and the photovoltaic generation (solar power generation) has the difficult point that the introduction cost is a relatively costly. It is expected as industry with the prospect improve research and develop it advancing in recent years also the performance, and become easy to set up and to maintain it though it might be certain that the impression of expensiveness is deep-rooted. In “Love and earth Expo” done in Aichi Prefecture, facilities of the photovoltaic generation were introduced in the Nagakute hall. I think that it willingly wants development and the spread as “It is earth friendly” electric power.

Why is it a photovoltaic generation now?

9b — Sun, 10 Jul 2011 18:57:19 +0000

“Photovoltaic generation” that can be introduced even by “Love and earth Expo”. It is said, “Earth friendly electric power”. However, why will photovoltaic generation now?What feature do you exist?
In the global warming conference, Japan is aiming at six-percent reduction of carbon dioxide (compared with 1990) by 2010. However, industry, the public welfare, and it transports it in Japan ･･･ The energy consumed in each field keeps increasing every year. Then, a fundamental review of the energy resource is done with the reduction in the consumption energy ,in a word, conservation of energy between rapids now. Then, being paid attention is a photovoltaic generation. 0 when exhaust of carbon dioxide that is one of factors of global warming for photovoltaic generation generates electricity. It is exactly ideal [kuri-nenerugi-]. Carbon dioxide is exhausted by a chemical, young consumption such as oil. For instance, oil accounts for 52.4 percent in Japan according to comprehensive energy statistics in fiscal year 1998. Coal is 16.4 percent, the natural gas is 12.3 percent, and primitive power is 13.7 percent. In addition, water power and the terrestrial heat are 4.1 percent.
In the current state of such chemical fuel dependence of Japan, environmental problems such as carbon dioxide alone are not problems. It has misgivings about the dryness of natural resources including oil in the near future. When the acceptable [to] years of the energy resource are long, the forecast coal is estimated to be 212 years by ..uranium.. 64 years of 62 ..natural gas.. years of 43 years oil. “Sunlight” that is the energy source of the respect and the photovoltaic generation is infinities.
The conversion to the photovoltaic generation is immediately urged only now though the problem of cost when introducing it still remains.

Mechanism of photovoltaic generation

9b — Sun, 10 Jul 2011 18:57:19 +0000

The photovoltaic generation makes electricity by using the energy of the sun. However, the day of rain and the day when it became cloudy come to be worried as a simple doubt how it becomes it.
The photovoltaic generation for the house sets up the solar battery in the roof of home, and invents the biography necessary for life. However, electricity is not provided for oneself at home alone. When the sun blazes brilliantly by connecting it with the business electric power that the electric power company supplies electricity, and electricity to which electricity is generated remains, it sells it to the electric power company. This is called selling of electricity to a power company. On the other hand, when the amount of power generation such as the overcast days and the days of rain is insufficient, electricity is bought from the electric power company up to now. This is called a purchased power. Thus, the photovoltaic generation is a reasonable system that can buy securing a steady electric power and an excess amount.
Please supply the requirement from the electric power company when it supplements with the electric power of the electric power company when the light of the sun such as the days of the morning and evening and cloudy weather is weak because it is being supported by such a system, and the amount of power generation of the solar battery such as rain and nighttime is near almost 0. In addition, the work of the electric power company is not disturbed because the system that moves an electric equipment directly is in order while blacking out besides a usual electrical system if there is shooting on the day when blacking out. Therefore, life can be continued regardless of the power failure. This is said, “Self-sustaining function”. However, because the connection to the commercial electric power system is automatically separated once when blacking out, it will switch to the self-sustaining by hand power.

Operation and operation and maintenance of photovoltaic generation

9b — Sun, 10 Jul 2011 18:57:19 +0000

Photovoltaic generation to which electricity is generated with solar battery set up in roof. It is a new power generation method to invent energy by using the light of the sun. However, even if it is environment friendly very much, it is a deadlock that the operation is difficult for a moment. There are a lot of people who say, too. Of course, strength of the one and the sunlight used every day changes into electricity at daytime and nighttime. It might be quite different on the day of rain and the day of fine. Very every day in the operation looking up at the heaven road externals. How is the respect going?
The photovoltaic generation is automatically driven according to the state of the weather to say nothing of entering on the sunrise and the day. Therefore, a troublesome operation need not be done by hand power. Moreover, a remaining electric machine is sold to the electric power company, selling of electricity to a power company also buys the shortfall, and because the purchased power is done by the automatic operation, it is safe.
Moreover, the operation and maintenance seems is ..[desuga].. basically unnecessary it. It is necessary to hardly clean it in a general house. The reason for the majority of dirt is that it is flushed because of rain. However, the influence might reach the power generation electric power momentarily of the entire module, and it decrease when the solar battery is covered with the leaf etc. or it becomes the shadow such as utility poles. It becomes impossible to generate electricity in the snowy area when the snow piles in the solar cell module moreover. A considerable amount of the power generation electric power can be expected even in winter if the snow drops.
Individual..maintenance..do..necessary..equipment..buy..company..several..for instance..maintenance..serve..a lot of.

Shape, material, and years since construction of photovoltaic generation and roof

9b — Sun, 10 Jul 2011 18:57:19 +0000

“Can the solar photovoltaic system be set up now though my home is old 20 years?”, “Does the roof of my home be for the south, decrease on the day shooting, and isn’t the photovoltaic generation impossible?”, “In [yomune]“, and “Though it is a gable. “, etc.The condition changes in each each house though I want to examine the introduction of the solar photovoltaic system. As a matter of fact, is there an unsuitable condition for the installation?
In the shape of the roof, there are a span roof, [katagyou] roof, a hip roof, a sloping one way only, and a deck. As the material, other metallic [itakawarabou], metallic [yokofu], a harmony tile, a western tile, a monotonous tile, it waterproofs silicon though a lot of one that is is the color best, and there is furthermore a metallic halving, too.
“Roof of the look south” is certainly an ideal for the installation. Variously in the house set up and the gable. the house etc. set up both sides of east and west the look south and the zonal side in [yomune] excluding actually the north side however itIt is general that the zonal side becomes down of 40 percent in 5?15 percent down and facing north when 100 of the decreases in efficiency by the installation azimuth is a look south. Moreover, it is about several percent even though the angle of gradient of the roof that sets up the solar panel according to the shape of the roof changes.
The load is about 15~20 kilograms (There is a difference by the manufacturer. The industrial method changes for the deck) ..drinking a solar panel (..taking off.. [sun] about 1m×1m).. including the installation counter etc. though durability by years since construction comes to be worried, too. Certainly, there is a load to the roof and the load of ginger and the solar photovoltaic system is distributed to the entire roof (Become the roof load of about 300 kilos for the solar water heater ..becoming the object of the comparison well.. ..all sides.. about three meters). Therefore, it seems that there is hardly a problem as long as it is not a house where years since construction and the roof material are old.
It might be good to request the simulation of the amount of power generation and the amount of power saving by shape, the direction of the roof, and the material, and to confirm durability beforehand.

Local public group promotion plan to photovoltaic generation

9b — Sun, 10 Jul 2011 18:57:18 +0000

The subsidy system in the country that started in 1994 fiscal year was discontinued in 17 fiscal year. Afterwards, it has become shape (It is small) of monitor system promotion. It seems to be going to entrust hope to the spread promotion plan by the local public entity.
Then, what spread promotion plan does the local public entity actually do?
I want to introduce some the photovoltaic generation system spread promotion plans by 2005 term various place public group for the reference (Please ask each group latest information).
One example Hokkaido (beginning in 2002 fiscal year)
｢The business of the municipality that introduces the residential photovoltaic system and energy conservation is promoted. 30,000 yen/KW and upper bound 3KW90,000 yen (assistance to municipality assistance system) Economic Department resource Office of Energy｣
Prefecture Tsukuba of two example Ibaraki city (beginning in 2003)
｢It doesn’t limit to receiving the assistance of the country and it recruits it. 60,000 yen/KW and upper bound 180,000 yen environmental section new energy promotion room｣
Three example Tokyo Chofu city (beginning in 2003)
｢It promotes it to the redecorating construction that does the installations etc. such as the photovoltaic installations and solar water heaters. The owner or the hirer in the individual, using together, the lease, and the housing complex is objects. It is required that the delivery of the subsidy etc. is not received by other systems, and the construction trader be a construction entrepreneur who owns the office etc. in the city. It is amount to the supplementary object construction that corresponds to 5/100 of the cost that requires it. House section of upper bound 200,000 yen｣
The local public entity originally promotes the photovoltaic generation system spread promotion business respectively. The division that becomes the window is various, and is different the concrete plan, too. I do not think be to good when a constant standard can be done to step forward one step without the people’s who thought that it wants to do something environment friendly where residing and receiving the disadvantage (It is gentle also to the purse).

Renewable energy of photovoltaic generation

9b — Sun, 10 Jul 2011 18:57:18 +0000

Paying attention as energy that can be reproduced is start natural energy as for the photovoltaic generation. It is likely to be going to be worried about dryness in the future, and to be called, “New energy” or “Alternative energy” in energy of taking the place of oil (Neither the coal gas, the natural gas nor nuclear power, etc. might be ..possession.. appropriate ..[fuku] [mareteshimauko] and [moari]… However, these ..meaning of taking the place of oil in case of “Alternative energy”.. are called dried up energy).
The following one is included in the reproducing energy:
- Solar energy (photovoltaic generation, solar thermal power generation, solar water heater, and solar heating system)
- Force of the wind and wind power generation
- Terrestrial heat, geothermal power generation, and underground heat
- Water power and hydro-power
- Ocean power energy (ocean thermal energy conversion system, tidal power, wave force, wave activated power generation, and difference of density of salinity power generation)
- Biomass (Example: Wood such as firewood)
Additionally, it runs parallel and it is enumerated possession the hydrogen energy, the fuel cell, and waste though it is not strict , energy source.
It is in these renewable energy and the common characteristic has the merit with a lot of one with a little heat-trapping gas for each same amount of energy of the AIDS virus * compared with the energy source that uses a chemical fuel such as oil and natural gases that are energy that is “Definition of renewable energy” to be able to expect lasted use without drying up including.
*The heat-trapping gas is a generic name of the gas that exists in the atmosphere that absorbs a part of the infrared rays radiated from surface of the earth, and brings greenhouse effect. Steam, ozone, carbon dioxide, and the methane, etc. correspond.
On the other hand, there are a time change and a weak point of receiving the influence of the change by the weather as a factor such as no geographic distribution of resource agreements with geographic distribution of man’s demand like wind power generation, and the output fluctuations of the photovoltaic generation that is the obstruction of the spread. Moreover, there is a limitation by the price, too. The device and the research suppressed to low-cost of can the supply according to the demand for storing and another form transportation, etc. and can the competition by a chemical fuel and the market price are requested from these fault and limitation.

Energy self-support by photovoltaic generation

9b — Sun, 10 Jul 2011 18:57:18 +0000

Energy that effectively uses the nature that is called the photovoltaic generation and wind power generation, etc. so-called “New energy”, is paid to attention as “Environment-friendly energy”. Certainly, the one as important as it is a problem of securing the energy source though energy that considers the environment is important. Oil and coal are “Dryness fuel” that is past energy lost some time. On the other hand, if it is power generation that uses sunlight and the force of the wind, it will be not lost. Especially, a regional limitation is not very received in case of sunlight and it ends. It is said that there is no what is limited in the point of durations of sunshine for Japan even if it sees on a nationwide scale.
To begin with, in Japan, neither oil, the natural gas nor coal that is a past energy source are enough. When thinking about the self-sufficiency ratio in the energy supply of the world, Britain is 102 percent, and Canada is , for instance, 145 percent. Italy is 15 percent compared with missing, France is 9 percent, and Germany is 25 percent. Japan?Very, it is four percent. Britain is discovered north sea oil fields in the 1960’s, and has oil and the natural gas abundantly. Moreover, coal, the natural gas, and Canada’s uranium are abundant. It is an exporting country of energy.
It is important for Japan to raise the rate of self-sufficiency of energy by the photovoltaic generation the use of the favor of the sun that pours down brilliantly without reserve to secure a steady energy source.

Conservation of energy that can be done at home by photovoltaic generation

9b — Sun, 10 Jul 2011 18:57:18 +0000

If we alone one do not still make an effort to conservation of energy in usual life even if the environment is considered by the government and research laboratories’ doing the effort repeatedly how much, and using beautiful energy like the photovoltaic generation and wind power generation, etc. , the origin and the child are lost.
However, it doesn’t last long even if it strains suddenly oneself because it is every day. It is thin, long, and ?. What is can keep the steadiness and the effect actually felt, and the activity that can be assumed to be energy of continuance?
“Big eater” that uses electricity most in homes is an air conditioner to begin with, a refrigerator, and seem be a lighting. Especially, the intense heat of summer continues by can say abnormal weather at last few years. Any home might have acted on the air conditioner and the refrigerator full. However, “Without impossibility” can suppress the electric power by a little device. For instance, word “Standby power requirement” might been heard. This electric power that tends to be missed actually accounts for about 10 percent of all power consumption at home indeed. To begin with, because it is electricity that flows when the microwave oven is not used, the standby power requirement only has to turn off this power supply in the place where the television is not seen. One..every evening..every evening..sleep..each..appliance..outlet..pull out..assume..serious.It will not last long it alone. The convenient one is a table tuck as the measures turned off bringing each appliance together. There is too no load if it is this.
The conservation of energy of electrical appliances is advanced in recent years, and the effect is full. It is understood that the photovoltaic generation is also of course good. However, let’s buy a new refrigerator today. It doesn’t live. It is still certain that the hurdle is high. the much more [futo] sunshiny ..doing.. power generationSomething can be done for the time being ･･･ The temperature of the preset temperature and the shower of the air conditioner is lowered once, and, however, if the entire people and the entire earth work, it is likely to become a wonderful eco-activity that much.

Guarantee and maintenance of photovoltaic generation

9b — Sun, 10 Jul 2011 18:57:18 +0000

The solar photovoltaic system is said that “Maintenance” is usually unnecessary. However, is it really safe?I do clean and may not check?
As for the guarantee of the solar photovoltaic system, each manufacturer and sales companies go, and it is different also at warranty information and years respectively. It is a guarantee usually for ten years. Moreover, the content of the guarantee is general the following four kinds.
- Guarantee of output of solar battery.
- Construction and other guarantees.
- Guarantee of the entire equipment system.
- Guarantee of natural disaster.
Moreover, “Maintenance” doesn’t basically need it. It is not necessary to clean it especially because it is thrown naturally basically because of rain and the wind when the dust storm collects on the solar battery. The influence by the dust storm is woven to the power generation efficiency. However, wiring and the check of the bottle have been done for about four years checking and ..construction.. additionally of the power generation power about the entire equipment system. However, this is also different according to each manufacturer. The check of maintenance seems to be good when thinking about 20,000 yen times.
The maintenance after it sets it up of the guarantee should seem to be asked to each manufacturer and the shop of the photovoltaic generation. The photovoltaic generation was able to use the subsidy system in the country for 12 years from 1994 fiscal year. However, it has the final receipt on October 25, 2000 and it has ended. I will think whether there is a possibility that the promotion system of the local government can be used in the future. Thinking about the estimate of cost by eyes long in which not only the installation cost but also the service life is expected seems to be important.