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Alternative energy Sources : Utilizing Solar Energy in Pakistan - Consumers increasingly opt for solar energy power - News Report

Alternative energy Sources : Utilizing Solar Energy in Pakistan - Consumers increasingly opt for solar energy power - News Report

Importers of solar energy panels told that unbearable energy outages, high tariffs and heavy expenses on generators and Uninterruptible Power Supply (UPS) had left consumers with no option but to turn to alternative energy, particularly solar panels. They said Chinese solar panels were much cheaper compared to panels imported from Germany which were very expensive and did not come within the range of consumers. In a bid to promote alternative energy, the government has scrapped duty on import of solar energy systems.

“Sales of solar energy panels have increased about 40 per cent compared to winter of last year. Sunshine in Pakistan remains for approximately 10 hours a day, which is enough to produce 1,000 watts per square metre. Producing electricity from the sun is very easy,” said Nurani, who deals in solar products.

However, he pointed to corruption as a major hurdle, saying dry port authorities did not clear consignments until they were paid. “If the government controls this mafia, then the cost of solar panels will come down by up to 30 per cent.” Solar-powered tube wells, water pumps and vacuum tube collectors of Germany can be installed with an investment of Rs400,000 to Rs500,000, said Dr Anjum Muneer, Assistant Professor at the University of Agriculture Faisalabad, which is running a programme in assistance with Germany to promote solar energy.

The government should subsidise solar energy products for their promotion, adding the technology might be costly and unaffordable for the consumers, but it would give life-time savings and benefits to them.

Nadeem Ali Rizvi, a solar energy consumer, said two types of solar panels were being sold in the market, one was large solar panel and the other was a smaller one to power lights and fans. He spent Rs22,000 on home lights, garden lights and street lights, which needed no wiring.

“My electricity bill has dropped 60%. Though the panel was costly, but my monthly savings will help me easily recover the money,” said Rizvi.


Bilal Ahmad, another solar energy consumer said that solar panels, especially small panels, were very economical. “They are cheaper than spending on a UPS or a generator.”

UPS increased the electricity bill by up to 40 per cent per month by charging batteries, he said, adding rising prices of fuel and electricity and load-shedding forced him to install solar panels

How many solar cells or panels would be provide electricity for my house?I need in order to provide all of the electricity that my house needs? Complete Range Specification of Solar Energy system for home

How many solar cells or panels would be provide electricity for my house?I need in order to provide all of the electricity that my house needs? Complete Range Specification of Solar Energy system for home

If you can read an article titled How HSW solar garden lights are working, you can get an idea of ​​how solar power can produce. Solar panels shown in this article contains 4 cells, and each can produce 0,45 V and 100 milliamp, or 45 milliwatts.Each cell measures 2 inches by 0.5 inches. In other words, these solar cells can generate 45 milliwatts in one square inch of paragraph 6.45 square centimeters).For the sake of argument, assume that the team can deliver 70 milliwatts per square centimeter.
To calculate how many square inches of solar panels you need for your home, you should know:
How much power consumed the house.
If the house is (so you can calculate the mean solar time, average rainfall, etc.). It is impossible to answer if you have a specific place in mind. We assume that daytime solar panels generate maximum power for 5 hours.


The first question is really interesting, so let's work on it.
"Typical home" in America can use electricity or natural gas for heating - heat the house, hot water, dryer and stove / oven. If you have a house with solar energy certainly use gas appliances because solar power is too expensive. This means that everything can be powered by solar energy are things like refrigerators, lighting, computer, television, stereo equipment, motors in things like fans, microwave and washing machine, etc. Assume that all these things mean to average 600 watts.Within 24 hours, require 600 W * 24 ώρες = 14,400 watts-hours a day.
According to the calculations and assumptions above, we know that solar panels could lead to 70 milliwatts per square inch * 5 hours = 350 hours per day MW.Therefore, you will need about 41,000 square centimeters of solar panels at home.This solar panel that measures about 285 square feet (about 26 m). It costs about $ 16,000 now. Then, because the sun shines only part time, you have to buy a battery bank, inverter, etc., and often doubles the cost of installation.


If you want a little air in the room, the bedroom, double everything.
Since solar energy is so expensive that normally go to great lengths to reduce electricity consumption. Instead of using desktop and laptop screen. Want to use instead of fluorescent lamps. You can use a little B & W TV instead of a wide range of colors. What can small, highly efficient refrigerators. Do these things may be able to reduce the average power to 100 watts. This will reduce the amount of solar panels and cost by a factor of six, and this may lead to the realm of possibilities.
However, the thing to remember is that 100 watt hours purchased by the network will cost about 24 cents per day or $ 91 years. So I can not see many solar homes, unless they are in very remote areas. When only costs about $ 100, to purchase electricity from the grid, it is difficult to justify spending thousands of dollars in the solar system.

How Do Solar Panels, Solar Cells and Solar Energy Work? Complete information about Solar system

How Do Solar Panels, Solar Cells and Solar Energy Work? Complete information about Solar system


There are many methods of solar energyproduction, with them being either direct or indirect, with active and passive components. In mainstream solar production, there are two methods which are currently used for solar energyconversion. Both of these involve the use of a solar panel, but their energy production means are a bit different. These two methods are known as solar thermal and photovoltaic energy cell production.As the electricity flows into your solar power electrical system, it is either used in your building or “sold” back to your electric utility service for later use. Your electric meter literally runs backwards when you are producing net energy and forward when you use it.
Your solar system produces more energy in the summer, when energy rates are highest, and you can bank excess energy credits to use when you need them within a one-year cycle. You only pay for your yearly net power usage.

How Do Solar Panels, Solar Cells and Solar Energy Work? Complete information about Solar system

With all the news about solar power lately, I thought it would be useful to go back to how PV solar panels work. (For a comprehensive look at some other solar power technologies, check out this piece: Hot Panels, Practical but Not Yet Popular – A Solar Overview.) The short description goes something…




Solar thermal energyThe short description goes something like this: Silicon is mounted beneath non-reflective glass to produce photovoltaic (PV) panels that collect photons from the sun and convert them into DC electrical power. That DC power then flows into an inverter, which transforms it into basic AC (alternating current) electrical power.

Okay, that’s the short and simple answer, but others may want more information. A useful website, Solar Home, offers an in-depth answer to the question, especially about one of the key materials, silicon.

Solar Home writes: “Silicon has four electrons in its outer shell. However, it has the capacity to hold eight. By sharing these four electrons with other silicon atoms and their four shell electrons, the capacity of eight is filled. When they combine with each other in this way, silicon atoms develop a strong, stable bond. This structure is known as pure, crystalline silicon.”

Pure silicon, however, is not a good conductor of electricity because there aren’t any electrons that are free to move. In other words, adds the author, “The silicon is better off with impurities.”

Photovoltaic energy
Thus, silicon is combined with an element such as phosphorus, which has five electrons to share. As a result, a negative charge is created. Silicon can only take four of the five electrons, leaving one free electron – called a free carrier – to carry an electrical current.

Other methods for manipulating silicon are also used. For instance, when silicon is combined with an element containing three electrons, a positive charge can be created. Boron is one material that suits this purpose. When silicon and boron are combined, holes are created.

“These silicon combinations and their differing charges are used to make solar panels. As photons come down from the sunlight and strike the silicon, it shakes everything up. The free electron that was hanging onto the silicon/phosphorous combination is now forced to the outer ring. From here, it gets sucked up to the outer ring of the silicon/boron combination. This is how electricity is created.”



how solar power works

Source: Clean Technica

As Solar Energy Is Alternative fuel Of Electricity? Home owners looking to find out more about residential solar systems and Easy Sources


As Solar Energy Is Alternative fuel Of Electricity? Home owners looking to find out more about residential solar systems and Easy Sources
کس شمسی توانائی کی گرفتاری کا نظام آپ کو آپ کے گھر پر ڈال کی قسم آپ کی ضروریات پر منحصر ہے. اگر آپ مکمل جھکاو کو جانا اور آپ کے گھر کی چھت اور سے استعمال کے قابل بجلی پیدا کرنا چاہتے ہیں طاقت بھی ممکنہ بڑے کو واپس کردار ادا گرڈ کی کوشش کی اور سچ photovoltaic arrays صرف ٹکٹ ہو سکتا ہے. A عام کی تنصیب پینل، ایک inverter، بجلی کی پائپ لائن کی پائپنگ اور AC / DC منقطع سوئچ کے ساتھ جو بہت سے انفرادی سلکان کی بنیاد پر photovoltaic خلیات اور ان کی حمایت کے ڈھانچے کی تعمیر کر رہے ہیں، شامل ہیں.
جیسا کہ زمین پر انسان کو سنجیدگی سے یوروپا اور Enceladus طرح برفیلی جہانوں مشن بھیجنے، ضروری خدشات میں سے ایک ماحول ہے جہاں اس طرح ایک مشن اترنے گا کے تحفظ ہو گیا ہے پر غور شروع کرتے ہیں. یہ صرف فوری طور پر زمین جرثوموں کے ساتھ اس کے بیجوں کے ایک دلچسپ اجنبی دنیا پر آنے کا، لاپرواہی سے مقامی ماحول کی انفیکشن منفرد سائنسی موقع کو برباد کرنے اور ممکنہ طور پر مقامی اجنبی حکمران کے غضب کو دیئے شرم کی بات ہو گی.
خلائی سائنس بورڈ کی طرف سے ایک نئے تشخیص لگتا ہے جس میں مقامات جرثوموں سے تحفظ کی ضرورت میں سب سے زیادہ ہیں - اسے یوروپا، Enceladus، ٹائٹن، اور Triton، نتیجہ اخذ کیا - اور کس طرح اور جہاں سب سے بہتر اندازہ کرنے کے لئے فیصلہ کرنے کے لئے طے کرتا ہے پروٹوکول کی ایک سیریز ہے اور خطرے سے نمٹنے کے.
COSPAR [کمیٹی نے خلائی تحقیق پر] ہدایات کی ضرورت ہے کہ 1 سے کم 10،000 مشن میں ایک قابل عمل جرثومہ ہے جو نظام شمسی کی منزل، یعنی پہنچے مشن کے مطابق آلودگی کی ایک 10-4 امکان پر بڑھ کرنے کے قابل ہے فراہم کرے گا. اس لازمی مقصد کو پورا کرنے میں ناکامی سے زیادہ سخت صفائی یا ٹرمینل bioload کمی وائکنگ مشن کی طرف سے ملازم کے مقابلے کے طریقہ کار کے لئے ضروریات کو مسلط کر سکتے ہیں. انتہائی صورتوں میں، سنتوش گرہوں کے تحفظ کی ضروریات کو خلائی جہاز redesign یا ایک پورے مشن کی منسوخی کی ضرورت ہو سکتی ہے


As Solar Energy Is Alternative fuel Of Electricity? Home owners looking to find out more about residential solar systems and Easy Sources 

What type of solar energy capture system you put on your home depends on your needs. If you want to go full tilt and generate usable electricity from your home's rooftop—and even possibly contribute power back to the larger grid—tried and true photovoltaic arrays might be just the ticket. A typical installation involves the panels, which are constructed of many individual silicon-based photovoltaic cells and their support structures, along with an inverter, electrical conduit piping and AC/DC disconnect switches

As Earth humans begin to seriously consider sending missions to icy worlds like Europa and Enceladus, one of the necessary concerns has to be protection of the environment where such a mission would land. It would be a shame to arrive on a fascinating alien world only to immediately seed it with Earth microbes, carelessly infecting the local ecosystem, ruining the unique scientific opportunity and possibly incurring the wrath of the local alien ruler.

A new assessment by the Space Science Board looks at which destinations are most in need of protection from microbes -- Europa, Enceladus, Titan, and Triton, it concludes -- and sets out a series of protocols for deciding how and where best to assess and deal with the risk.






Complete Information Method Of Solar Energy, Power, Electricity


Complete Information Method Of Solar Energy, Power, Electricity


Basic about Solar Energy, Solar Power and Solar Electricity.
In basic about solar energy, solar power and solar eletricity we will talk about the basic things behind this power. Formulas that will be used to find out which Solar Panel you should use and which battery you should select. And how much Solar Panels do you need to power up lights and other applications. Here are the main things you need to know and that will be used to calculate your needs.AC-DC system, Volt, Current(Ampere), Power(Watt), Resistance, Series and Parallel connecting.
AC-DC system 
Ac stands for Alternative Current. Alternative current is almost that we found in wall outlet or electric outlet. Clever say'd that we found in wall. It is 230 Volt. DC stands for Direct Current. In solar panels it is used 12 volt dc system. DC is that current we can found in cells, batteries, and using adapters or regulators. See the picture of a dell charger. Dell charger also converts AC Current to DC 5.4 Volt and 2410mA. Solar Panels also uses DC voltage and Current. 
Dell Charger
Power Circle
Power Circle
Volt
Voltage is the electromotive force (pressure) applied to an electrical circuit measured in volts (E).
Example. P=200W, I=4.0A. If we have a value of watt and ampere and we want to find out how much volt does it use then we should use this from Power Circle. E=P/I. 200/4.0=50V. So we found voltage is 50V.
Current
Current is the flow of electrons in an electrical circuit measured in amperes (I).
Example. P=100W, E=12V. We want to find out how much ampere does it use. We take a look at circle. I=P/E. 100/12=8.33A. Current usage is 8.33A.
Power
Power is the product of the voltage times the current in an electrical circuit measured in watts (P).
Example. E=220V, I=0,4A. This example is taken from picture of Dell Charger. We have 400mA=0,4A. Take a look at circle P=E*I. 220V * 0,4A=88W. Answer is dell charger use 88Watt.
Resistance
Resistance is the opposition to the flow of electrons in an electrical circuit measured in ohms (R). Increased resistance gives higher voltage and higher power(watt).
Example. E=12V, I=3.0A. We want to find out resistance. We use formula R=E/I. 12V/3.0A = 4 Ohm.
Parallel Connecting - 12V System 
Parallel Connecting solar panels gives higher current. And voltage will remain the same. Parallel Connecting is best for us. Because we do not need high voltage. Normal battery is 12v. And by selecting high voltage require higher voltage charge controller. To connect solar panels in parallel we have to connect plus + to plus and minus - to minus. See the picture for details. 
Parallel connected solar panels
Series Connecting - 24V System 
By connecting Solar Panels in series connection. It will increase Voltage and current Amps. will remain the same. To connect solar panels in series we have to connect plus + to - minus on next panel. See the picture for details. In this example we have connected 2 solar panels in series which will give 24v output. 
Series connected solar panels
Series and Parallel connected solar panelsSeries and Parallel Connecting - 24v System
If we are creating a 24v system. So then we have to connect two solar panels in series and connect two series connected panels in parallel as showed in figure under. Which increases voltage to 24v and when we have connected two other 24v connected solar panels in parallel so voltage remains same and increases current Amps. If we want to increase output current on 24v so we connect more solar panels in parallel same way under as shown in figure under. 

What is solar energy?

What is solar energy? 
Answer: Simply put, solar energy is the light produced by the sun

Basic Information about Solar Energy system and Sources Of Solar energy

The Source of Solar Energy To get technical, solar energy is the radiant energy that the sun produces. This is the result of a process called nuclear fusion - the joining of smaller atoms to form a larger atom.

The sun is a giant ball of gas consisting primarily of hydrogen and helium. Through nuclear fusion, hydrogen atoms in the sun's core combine to form helium atoms over and over again.
The Law of Conservation of EnergyEach time this nuclear fusion reaction takes place, the nuclei of four hydrogen atoms fuse to become one helium atom. However, the resulting helium atom has less mass than the four hydrogen atoms that fused with each other.

Does this mean that some matter is "lost" during the nuclear fusion process?

No, it isn't really lost.

Due to the law of conservation of energy, this "lost matter" is converted into the radiant energy that the sun emits into space.

You now have the answer to the question, "What is solar energy?" Let's take it a step further and see how solar energy travels to earth.
The Electromagnetic SpectrumOnce the sun emits this radiant energy into space, it makes its way to earth aselectromagnetic waves traveling at the speed of light. We perceive this solar radiation as light, but in fact it spreads over a wider band of wavelengths known as theelectromagnetic spectrum. The electromagnetic spectrum organizes electromagnetic energy by wavelength.
One misconception about the solar energy that reaches earth is that it includes the heat from the sun. In fact, the earth doesn't receive any heat from the sun since it's more than 93 million miles away! What actually happens is that when the radiant energy from the sun is absorbed by an object, its energy is converted into heat.
Solar Energy: The Ultimate Renewable EnergyThe sun produces a tremendous amount of energy. Every second, more than 4 million metric tons of hydrogen is converted into helium. But even at this rate, the sun will continue producing solar energy for another 5 billion years! As a result, solar energy is considered the ultimate renewable energy.

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