Motor Troubles: The Tracing of Direct-Current and Alternating-Current Motor Troubles and the Testing of Direct-Current and Alternating
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By insider. President and CEO of Power Integrations Inc. ( POWI ) Balu Balakrishnan sells 13,000 shares of POWI on 11/23/2009 at an average price of $34.91 a share. Read more » »
Alternative Energy HQ (Free subscription) | 20/11/2009
In this article we will discuss some themes related to different types of constructions used to produce solar power. We will begin from the grid-tied systems. A utility-interactive solar power system makes electricity, which is put directly to the grid. The word grid-tied means, that the system is tied, verbatim, to the grid. This system will accumulate the energy even when you are absent, when you...
CrunchGear (Free subscription) | 19/11/2009
Sanyo is already being considered Japan's "greenest" brand in the consumer electronics field (which is the main reason Panasonic is about to acquire the company ), but them building complete, eco-friendly buildings is certainly new. Sanyo Homes [JP], a wholly-owned subsidiary, will start marketing all-electric homes with lithium ion batteries providing back up power to Japanese customers...
Providence Journal (Free subscription) | 17/11/2009
By Katherine Gregg PROVIDENCE, R.I. - With state officials finally coming to grips with the ballooning size of the state's potential deficits this year and next, Department of Administration director Gary S. Sasse has issued a memorandum titled: "immediate freeze on state hiring.'' It is not yet clear how this is different from the earlier hiring restraints announced by the Carcieri administration....
SlashGear (Free subscription) | 17/11/2009
We all love a sandwich, but how often does your sandwich light up from power it has collected itself? If you’re chowing down on a prototype from the Florida Energy Systems Consortium then it might just do that (though probably not tasting particularly good in the process): they’re working on the idea of layered OLED and solar-cell panels , which would capture sunlight during the day and...
GayandRight (Free subscription) | 17/11/2009
They understand little about Remembrance Day..... Although we often think of those outside our borders as the enemy -- the insurgents in Afghanistan who plant IED’s in the hopes of killing our soldiers, or the foreign jihadis who fight a religious war against the West -- some of the most effective enemies exist right here within our borders. These people refer to themselves as anti-war activists,...
Thomas Net (Free subscription) | 17/11/2009
Offering all-position welding capabilities, FabCO® XTREME B2, XTREME B3, and XTREME 120 operate on DCEN Direct Current Electrode Negative. XTREME B2 is suited for 1 ¼ Chrome - ½ Moly steels, while XTREME B3 deposits weld chemistry needed for 2 ¼ Chrome - 1 Moly steels. Designed to meet DNV Y69MS (H5) for welding on offshore jackup rigs, XTREME 120 wires produce welds in 120-130...
Peak Energy (Free subscription) | 15/11/2009
GreenTech Media has a post on an EPRI effort to encourage utilities to increase the efficiency of the US electricity grid - EPRI Seeks Big Gains in Transmission Efficiency . The Electric Power Research Institute wants utilities to know the smart grid isn't just about smart meters. Upgrading transmission and distribution grids could yield big power savings too. After all, EPRI points out, the electric...
CoWholesale.com - Buy Wholesale Cheap Products from... (Free subscription) | 11/11/2009
FeaturesDimension 30933cmThe hi tech physiotherapy design is adopted to correct the sitting posture of the back and relax the waist when you sit for a long time The vibrating speed of the product can de freely adjusted according to your request The design is reasonable with massage function and contributes to blood circulation of the body This product is applicable to automobile,home and office.The...
Business Wire (Free subscription) | 11/11/2009
PHOENIX--(BUSINESS WIRE)--The EMerge Alliance – an open industry association leading the rapid adoption of safe, low-voltage direct-current (DC) power distribution and use in commercial building interiors – today announced that 10 more organizations have joined the coalition in support of the new EMerge Alliance Standard. Lutron Electronics, Philips Electronics and Roal Electronics have...
Full Comment (Free subscription) | 10/11/2009
Alberta faces tough choices over where new electricity transmission lines should be built, if at all By Jack M. Mintz L ast weekend, the Alberta Progressive Conservatives not only reviewed Premier Ed Stelmach’s leadership but also Bill 50, which would provide for the building of new transmission lines, including two north-south high-voltage direct current lines. Bill 50 is highly controversial...
Elektratig (Free subscription) | 07/11/2009
It's been a while since I've built an audio kit (other than replacing the output transformer on and generally neatening up the wiring of my Assemblage ST-40 ), primarily because I've got more amps and preamps than you can shake a stick at. But I ran across one the other week I just couldn't resist: a battery-powered preamp. I've long wanted to try battery power. Although most of you are probably shaking...
Angry Bear (Free subscription) | 07/11/2009
Robert Waldmann I am eager to learn from this blog again. A problem with solar and wind generation of electricity is the sun isn't always shining and the wind isn't always blowing and it is costly to store energy. I don't see why energy can't be stored using hydroelectric dams. They store huge amounts of energy in lakes. So what's the problem. More thoughts after the jump. OK problem number one is...
Times Online (Free subscription) | 06/11/2009
A pioneering school is staking a claim to make its pupils among the most technologically advanced in Britain.
Technology Toolkit (Free subscription) | 05/11/2009
Wind turbines are used for several reasons but the main reason is to generate energy from the wind This may sound difficult but it is possible
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