How to Install Solar Panels Grid Tie Inverters for Solar Energy
So today we're installing just a small battery system but for larger houses they make a whole range of equipment. This is a grid tie inverter. We'll just take the cover off and you can see, it's not really that complex. We've got giant coils and switching and some electronics in there. So for a grid tied system you end up using different products, and some of it is quite hazardous so typically you'll hire a contractor to come in and handle the main panel connections as well as some of the paperwork is a bit tricky when you're trying to get.
Habitat for Humanity taps solar energy
RECESSION BUT THE PLAN IS TO BREAK GROUND ON A HIGH SCHOOL IN 2018. GULSTAN IN ORDER TO KEEP THEIR COST DOWN HABITAT FOR HUMANITY IS GETTING SOME HELP FROM THE SUN, VOLUNTEERS AND A UNIQUE TRAINING PROGRAM. KCRA'S THREES ROB MALCOLM IS HERE NOW TO EXPLAIN. ROB THE TRAINING PROGRAM IS TWOFOLD. IT WILL PROVIDE VOLUNTEERS WITH JOBS. MY BLACK SIDE IS MY NEGATIVE SIDE AND RED IS POSTIVE. REPORTER HABITAT FOR HUMANITY RESTORES ARE NONPROFIT HOME IMPROVEMENT AND AND DONATION CENTERS THEY PRETTY MUCH HAVE EVERYTHING UNDER THE SUN.
NOW THEY'RE GOING GREEN FOR A GOOD REASON. ONE OF THE GREAT BEFIFITS IS THAT IT WILL HELP PROVIDE US A LOWER COST TO OUR ENERGY BILL TO HELP LOW INCOME FAMILIES. REPORTER IT WILL ALSO PROVIDE TRAINING FOR STUDENTS IN THE NEW FIELD OF SOLAR ENERGY. IT GIVES THE STUDENTS ALOT OF OPPORTUNITY TO GROW LEARN JOB SKILLS AT THE SAME TIME BENIFIT OUR NON PROFIT ORGANIZATION. REPORTER THE SOLAR PANELS ARE INSTALLED ON THE ROOF OF THE RESTORE WHERE HABITATS YOUTH BUILD PROGRAM IS OPERATED AND STUDENTS ARE.
LEARNING. I AM BRANDNEW. I HELPED PUT THE PANELS ON THE FRAMES. REPORTER THE SOLAR PANELS WERE DONATED BY SUN WORKS AND THE PROGRAM MAY SOON PAY OFF FOR THE STUDENTS. WE WOULD LIKE TO TRAIN THE STUDENTS AND HIGHER THEM ONCE THEY QUALIFY. REPORTER IT'S A WIN FOR THE STUDENTS AND ALSO THE BOTTOM LINE FOR THE NONPROFIT. THAT IS EQUIVALENT TO 2800 TREES. REPORTER AS THEY CONTINUE THE WORK UNDER THE SUN THE FUTURE LOOKED BRIGHT. THE SOLAR ENERGY SYSTEM DONATED AND INSTALLED BY SUNWORKS WILL HELP HABITAT FOR HUMANITY SAVE.
June Energy Portable solar panels
I was born and raised in Mali, West Africa from a low class family. i was born in Chittagong, Bangladesh which is the commercial capital but my father was from a very very poor village and a very poor family in Bangladesh Everything was pretty much limited. So it was tough growing up. Lack of energy everywhere. Students having no access to electricity I had to pretty much study under kerosene lamps and candlelight.... which are very harmful for the lungs and eyes as well. But I didn't have access to anything better. That was the only choice that I had.
What we have actually developed at June Energy is basically a handheld device that utilizes clean solar energy, stores it in a battery and provides light at night through cleanlighting LEDs. It also has a port on the side where you can actually plug in your any cell phone that you have and it will actually help charge your cell phone so people at nighttime can talk and keep in touch with family back in their villages. Kerosene lamps if you look at it, provides sixty lumens of light which is really not much, that's why it strains the eyes. Whereas our product, we're looking at.
Maybe giving sufficient lighting above a hundred lumens which is really ample for reading at nighttime and provides a good surface area so students can read. Currently we're in a a final revision of our beta product. On my business card. my role in June Energy is, I'm the chief technical officer but we're pretty much, everyone does everything, so I guess it's kind of a loose title. We've build a fully functional prototype and we've done a rapid prototype for the mechanical design of it and now we're just working on getting cost down actually. Our target price for our.
Target customers, which are the people in these developing areas, is around $15 or so. We were traveling back and forth to the Ross Business School, meeting MBA students from there, we went to the medical school. We talked to the health officials who told us, 'you know this energy problem It's in health care, too, because hospitals in rural areas of Africa can't operate at night because we have no lighting.' Our initial market might be like Engineers Without Borders or Peace Corps volunteers, the military is a possibility. Anywhere, any type of situation where you're in an area without electricity.
In a remote area like hiking trips and things like that. I'm really excited about our upcoming venture in Singapore, to get more involved with the manufacturing process. So our next step is to make a second trip to Africa We're definitely going to go to Kenya in the next one to two months to understand how people live there, what are the problems their really facing, and how our solution can meet and be tailored to solve their problems. I'm excited already because I think the dream is coming into reality.
As of a couple weeks ago we just were offered just over half a million dollars of venture capital investment So we're really excited about that as well. Since I was a eleven, I've had that mentality I want to do engineering and so i can give something back to the society. It's about helping people. I'm not happy with the way other people are living. Like, I see things that are happening and I'm, I don't I don't think they should live that way, you know So it's just, making a stride toward changing that.
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Stanford Start.Home The Core
So this behind me is the Core. And this was really the central idea of the start home. And when we started this project it was not just about designing a single house but about something that could revolutionize the home building industry. So the core is meant to be a prefabricated module that can ship anywhere in the country and contains all the technical systems that you need to build a house. Inside the core we have all of the mechanical, electrical, and plumbing distribution systems for the home. And the advantage of this is that by.
Prefabricating all these pieces together, you take the costliest and most time intensive components of your house and build all of that up front. Really the central aspects of the core is the electrical system which has your standard breaker panel but also it's solar ready with an inverter. This electrical feeds into custom design control pods built by students here at Stanford University and these control everything within the house. They control all of the lights, all of your outlets, all of your equipment, to really make sure that you can optimize for your comfort settings and.
For whatever you want to do within the home. One of the ways that we optimize for comfort is by sensing throughout the house. We sense temperature, humidity, light levels and we compare that to what we get from the outside through a weather station that's located on the back pergola and then feeding data right here into the core. Finally, we're not just dealing with energy, we're dealing with air distribution and also water distribution to the home. So in the back left we have a heat recovery ventilator, which helps to take the heat that's exiting the house.
Stanford Start.Home Building Materials
We took the idea of sustainability beyond just energy and water into our materials. And we used reclaimed redwood and Douglas Fir that came off of houses from 40 to 50 years ago all over the South Bay. The wood was remilled up at Jasper Ridge where the house is going to finally rest, and brought down to us at the university and installed throughout the home. So it gives us a really beautiful finish as well as the advantage of not having used any brand new trees. All of our structure and walls were built.
Out of a structural insulated panel system which comes as prefabricated wall sections with four to eight inches of foam sheathed in two pieces of plywood. That made it really easy for us to build the house quickly and get a very airtight house and a high insulation value across the whole structure. Continuing that theme, we used windows that give you the same energy efficiency as standard double pane windows in the glass, but also use a frame that doesn't have vinyl. So you don't have the toxic byproducts of typical windows that are on the market.
Another cool product that we use is a phase change material that we installed in the ceiling below the drywall. And what this does is it melts as the house warms up during the day to absorb a lot of heat right around 72 degrees Fahrenheit, where you're most comfortable, without actually changing the interior temperature of the room. So it stores all that heat during the day and then when it starts to cool down at night, rereleases it by freezing back into a solid gel, therefore allowing the house to stay warm later into the.
Concentrated Solar Dryers
Solar Dryers for Cloudy Weather The FAO reported that SubSaharan Africa over 40 percent of the children are deficient in micronutrients. Fruits and vegetables are an excellent source of micronutrients. In Tanzania, horticultural crops are widely produced but 50 to 80 percent of the produce suffers postharvest loss and only 1 is processed for offseason consumption. Solar drying is a lowcost means of preserving produce, but cloudy skies limit solar drying. Hort CRSP researchers are developing concertrated solar dryers that use reflective surfaces to better dry fruit and vegetables in cloudy weather.
By reducing drying time, tomatoes have superior color, texture and nutrient content. 1. Black material absorbs heat, 2. Clear material allows sunlight to pass through, 3. Insulation holds in the heat, and 4. Air enters the bottom, heats up, rises and dries the fruit. Fresh fruit goes in, and the sun goes to work. Concentrated solar dryers improve product quality and boost yearround nutrient for vulnerable populations. Contributors Project Developers Diane Barrett, Peter Stroeve Funding USAID Design Editors Mark Bell Editors Peter Shapland, Amanda Crump Photos Diane Barrett, Zachary Bagley, KAte.
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