"thank you for the help. I will try to contact them. But I'm pretty sure about teh potential of the wind here.
Fred"
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Paul Dvorak
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Paul Dvorak commented on Marshall Matheson's group Windpower Exchange"Mr. Querfeld:
Can you tell us how the FPS sensor measures viscosity, density, and dielectric constant?"
Paul Dvorak replied to Ivan's discussion Careers in Wind power in Northern Italy in the group Windpower Exchange"Dear Ivan:
I did a quick search on wind in Italy and found:
http://www.contractjournal.com/jobs/job/senior-sales-engineer-urgently-required-wind-industry-italy-italy-200583036.htm
The company is looking for a sales engineer and that may give you a…"
Paul Dvorak left a comment for Frederico Nunes M. de Carvalho"Dear Mr. de Carvalho:
I think the best place to start would be with the turbine manufacturers in your area. GE, Vestas, Mitsubishi, and others should have offices near you. They will first want to make sure your land has enough wind for a…"
Paul Dvorak commented on Marshall Matheson's group Windpower Exchange"Dear Mr. Dolby:
I have few details on the market for thermal spray. As I recall, it's a hard thin coating for gears. The one other supplier of the coatings mentioned that most of their business comes from gear repairs because they also rebuild…"
Paul Dvorak replied to Rudy Kalkert's discussion Operator of wind farms in the group Windpower Exchange"Mr. Kalkert:
From my limited experience, getting power onto the grid is most difficult and according to one source in an upcoming story, it's getting worse. Grid owners are a separate group of investors.
After that, reliability is a constant…"
Paul Dvorak commented on Paul Dvorak's blog post Phil's windmill page"Hey Phil:
Thanks for the explanation and insight, the very discouraging insight.
Are the figures for solar power any more encouraging?
Paul"
Paul Dvorak replied to Taylor Johnson's discussion WindPower Profitability and Break Even Point Calculations in the group Windpower Exchange"Nice work, Tyler.
We don't see enough accounting math of this sort. By listing the costs and charges, a wind farm owner, or other business person, knows what costs to minimizes and the figures to work on growing.
You also begin to appreciate…"
Phillip Marsh commented on Paul Dvorak's blog post Phil's windmill page"The typical urban windmill is sold to reduce your dependance on the utility grid. These windmills are advertized as producing 1 KW in a 30 MPH wind.
A typical 1 KW PMA (permanent magnet alternator) will loose 50% of its produced power as heat in…"
Paul Dvorak commented on Marshall Matheson's group Windpower Exchange"As a former Air Force weather observer (8th Weather Wing 1967-1968) I used to wonder how we might affect the weather being creatures that live at the bottom of a sea of air. The atmosphere is so vast and sun so powerful, the puny amounts of energy…"
Paul Dvorak replied to Jeff Hess's discussion Future scale of Windpower structure and components in the group Windpower Exchange"Jeff:
My cloudy crystal ball tells me two thing are likely to happen. For one, the turbines will continue getting larger because the economy of scale means more power from single units. Of course, there are limits, and they will be periodically…"
Paul Dvorak posted a blog postPhil's windmill page
Hey Phil:How about a little more electrical explanation for us mechanical engineers? For instance, call out the items in the circuit diagram and tell what they do. The PMA is axial flux dual-rotor design. So.. output is variable dc? What does the rectifier do? How does the inverter work? In your proverbial spare time, of course.Thank,PaulSee More
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Phil's windmill page
Posted on August 10, 2009 at 4:27pm 2 Comments 0 Likes
Hey Phil:
How about a little more electrical explanation for us mechanical engineers? For instance, call out the items in the circuit diagram and tell what they do. The PMA is axial flux dual-rotor design. So.. output is variable dc? What does the rectifier do? How does the inverter work? In your proverbial spare time, of course.
Thank,
Paul
How about a little more electrical explanation for us mechanical engineers? For instance, call out the items in the circuit diagram and tell what they do. The PMA is axial flux dual-rotor design. So.. output is variable dc? What does the rectifier do? How does the inverter work? In your proverbial spare time, of course.
Thank,
Paul
Comment Wall (1 comment)
- At 7:56pm on November 9, 2009,
Frederico Nunes M. de Carvalho said… - thank you for the help. I will try to contact them. But I'm pretty sure about teh potential of the wind here.
Fred
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