Lux BB3001 Large Locking Thermostat Guard, Clear

  • Fits all thermostats
  • Large size – 9.5 W x 5.8 T x 4 D (inches)
  • Limits unwanted access
  • One key included
  • Tamper resistant, strong durable plastic

Product DescriptionLocking GuardsFeatures thermostat: Clean attractive design9 1 / 2 “wide x 5 3 / 4” high x 4 “deepLimits AccessON unwanted thermostats key includedTAMPER RESISTANTSTRONG s Media, PLASTICCompatible SUSTAINABLE With:
Lux BB3001 Large Locking Thermostat Guard, Clear

HAI Adds UPB Split Phase and 3-Phase Repeaters

Home Automation, Inc. (HAI) has introduced the HAI UPB Split-Phase Repeater and the HAI UPB Three-Phase Repeater for inclusion in the HAI Lighting Control (HLC) product suite.  Like all components in the HLC product line, these are easy to install and retrofittable into existing structures.

“The Split Phase Repeater is an invaluable tool in installations with extreme noise, attenuation, or other issues on the powerline,” explains Jay McLellan, HAI President.  “And the Three-Phase Repeater provides dealers with new installation opportunities for HLC in buildings with three-phase electrical systems.”

The HAI UPB Split-Phase Repeater (HAI part number 39A00-2) enhances the communication reliability between UPB devices by taking UPB messages transmitted on one phase (leg) of a 120/240VAC split-phase electrical system and strongly repeating them on to the other phase (leg).  This product is primarily designed for split phase residential locations.

The HAI UPB Three-Phase Repeater (HAI part number 39A00-3) enables communication between UPB devices on a three-phase 120/208VAC delta-wye, 60Hz electrical system.  The main purpose of the Three-Phase Repeater is to transfer UPB multi-packet messages transmitted on one phase (leg) of the electrical system and strongly repeating them on to the other phases (legs) to ensure proper communication.  The Three-Phase Repeater is perfect for 3-phase environments including offices, condominiums, and additional small businesses and medium density apartments.

HAI’s Split-Phase Repeater and Three-Phase Repeater are now shipping and available at Home Controls! Read more »

The original post: Home Controls

University of Illinois Researchers Demonstrate Innovative Approaches to Lower Photovoltaic Panel Production Costs

Even if silicon is actually the industry common semiconductor in the majority of electric products, including the solar cells that photovoltaic panels employ to convert sunshine into electricity, it is not really the most effective material readily available. For instance, the semiconductor gallium arsenide and related compound semiconductors offer practically two times the performance as silicon in solar units, however they are rarely utilized in utility-scale applications because of their high production value.

University. of Illinois. teachers J. Rogers and X. Li discovered lower-cost ways to produce thin films of gallium arsenide which also granted usefulness in the types of units they might be incorporated into.

If you can minimize substantially the cost of gallium arsenide and other compound semiconductors, then you could increase their variety of applications.

Typically, gallium arsenide is deposited in a single thin layer on a little wafer. Either the desired device is produced directly on the wafer, or the semiconductor-coated wafer is cut up into chips of the preferred dimension. The Illinois group chose to put in multiple levels of the material on a one wafer, making a layered, “pancake” stack of gallium arsenide thin films.

Figure 1 Thin Film Solar Thin Film
Source: University of Illinois

If you increase ten levels in one growth, you only have to load the wafer once saving substantially on production costs. Current production processes may require ten separate growths loading and unloading with heat range ramp-up and ramp-down adds to time and costs. If you take into account what is necessary for each growth – the machine, the procedure, the time, the people – the overhead saving derived though the new innovative multi-layer approach, a substantial cost reduction is achieved.

Next the scientists independently peel off the levels and transport them. To complete this, the stacks alternate levels of aluminum arsenide with the gallium arsenide. Bathing the stacks in a solution of acid and an oxidizing agent dissolves the layers of aluminum arsenide, freeing the single thin sheets of gallium arsenide. A soft stamp-like device picks up the levels, one at a time from the top down, for shift to one other substrate – glass, plastic-type or silicon, based on the application. Next the wafer could be used again for an additional growth.

By doing this it’s possible to create considerably more material much more rapidly and much more cost effectively. This process could make mass quantities of material, as compared to simply the thin single-layer way in which it is usually grown.

Freeing the material from the wafer additionally starts the chance of flexible, thin-film electronics produced with gallium arsenide or many other high-speed semiconductors. To make products which can conform but still retain higher performance, which is considerable.

In a document published online May 20 in the magazine Nature the group explains its procedures and shows three types of units making use of gallium arsenide chips made in multilayer stacks: light products, high-speed transistors and solar cells. The creators additionally provide a comprehensive cost comparability.

Another benefit of the multilayer method is the release from area constraints, specifically important for photo voltaic cells. As the levels are removed from the stack, they could be laid out side-by-side on another substrate to create a significantly greater surface area, whereas the typical single-layer process confines area to the size of the wafer.

Figure 2 Solar Arsenium Arsenium
Source: University of Illinois

For solar panels, you want large area coverage to catch as much sunshine as achievable. In an extreme situation we could grow adequate levels to have ten times the area of the traditional.

After that, the team programs to explore more potential product applications and additional semiconductor resources that might adapt to multilayer growth.

About the Source – Shannon Combs publishes articles for the residential solar power savings web log, her personal hobby weblog focused on recommendations to aid home owners to save energy with solar power.

Original post: Green Econometrics

Fracturing the Bakken Triples Oil Reserves

With the BP gulf floor oil leak making the news – all bad even if they get it stopped, some good news is worthwhile.  Especially when the Obama tribe has frozen the major U.S. controlled North American resources of oil development for political appeasement to ‘do something.”  Meanwhile the Bakken formation in the north of the U.S. and southern Canada is growing production and growing in importance.  Crescent Point Energy of Canada has tested their Bakken wells with fracturing and water floods tripling the recovery making the estimate move up to recovering 30% of the oil in place.

It’s worthy news.  This writer hasn’t addressed the BP gulf floor leak – you’ve noticed, and maybe won’t at all.  It’s simply a media frenzy and political positioning structure while the people and environment take the hit.  Blaming and leveling responsibility takes precedence over imparting resources, something the big oil industry has to do alone while coping with the public relations cost of stupid media and useless political power.  Enough for now – but that’s an idea of why the post hasn’t been written.

Scott Saxberg, chief executive of Crescent Point Energy Corp. told the company’s annual general meeting the application of water flooding, along with infill drilling, could allow the company to more than double reserves within five years.

Water Flooding Oil Reservior – A Simple Example. Click image for the largest view.

In an interview, Saxberg said two years of tests at an initial pilot project in the Bakken – and more recent results from a second test – show that injecting water into formations being tapped by nearby horizontal wells with multiple fracture stimulations can help boost recovery from about 10 per cent to 30 per cent of oil in place.

For Crescent that would mean, “These mainly untapped resource pools provide Crescent Point with over 5,000 drilling locations and the potential to add over 500 million barrels of reserves, which could potentially double our current net asset value,” Saxberg said.

Saxberg explains, “We’ve seen very strong results. What it’s done in the pilot over the past two years is give us flat production. Without it, it’s 10 per cent, and with infill drilling you might get to 20 per cent. And then with water flood it’s 30 per cent. That’s huge.”

It’s because normally, after an initial “flush” of production in the first year, Bakken oil output drops off by about 70 per cent.

But Analyst Kyle Preston of Canaccord Adams cautioned that Crescent Point’s water flood strategy is promising, but not necessarily proven in all areas of the Bakken saying, “This water flood technology is not really new. What’s new here is applying the water flood to a tight rock reservoir which, to my understanding, hasn’t been done very successfully in the past.”  Preston points out PetroBakken, the second-largest player in the Bakken, doesn’t believe in water flooding.

Here’s a look at how Canada treats new resource development.   Trent Stangl, Crescent Point’s vice-president of investor relations, explained the company’s strategy is to let a central well produce for about a year to take advantage of Saskatchewan’s royalty holiday on new horizontal wells before converting it into an injector well. Then forcing water into the well builds pressure underground to push more oil out of surrounding wells, a technique commonly used in conventional oil fields.

Saxberg adds, the company is also experimenting with cemented liners on the horizontal part of the wells instead of steel pipe, allowing adjustments in the number of fractures as the well ages. He added the company is pleased to hear about the Alberta government’s new royalty incentive plans, including lower royalties for deep wells and horizontal wells, but he has no immediate plans to spend money in Alberta.

We’ll see how long that lasts in Alberta.  One nation’s dumb move can be another’s windfall.  As the U.S. administration plays media politics and undermines the national economy the neighbors, bless ‘em, can make good use of the capital.  And why not?  Our Canadian neighbors can use the capital, jobs and economic growth as well or better than anyone else.

The only concern then is, can the Canadian effort stay profitable at lower oil prices?  With the Athabasca oil sands under political assault the Alberta and Saskatchewan provinces need a fall back.  The irresponsible and capricious political neighbor brings risks, as the U.S. economic recovery isn’t driving lots of oil consumption.

Crescent Point plans four more pilot projects throughout the Bakken field over the next year.  With U.S. offshore drilling at a standstill, the capital going inert, worker layoffs imminent, and a sure increase impact on the world price of oil, the BP leak looks to grow far beyond a single company’s disaster and ecological calamity.

Irresponsible and capricious political conduct might be media savy – but the impact will be long and costly for consumers the world over.  But hey, only about 75% of American’s are catching on – throwing in with BP to get the oil escaping contained, stopped and the ecology and economy protected, sustained and supported could have been the job.  But leftism doesn’t even think to cooperate with business. Leftism needs commercial disasters to participate in the economy.  Commercial disaster gone far enough is an ‘opportunity’ to bail something out and take over making the capital, jobs and eventually, the management their own.

The Bakken oil field and the Canadian firms leading the technology are refreshing in the current U.S. situation.  Thanks neighbors, we wish you well.  Thanks to the Calgary Herald for kicking up the story. Americans need a little good oil news about now.


Here is the original post: New Energy and Fuel