Excellent
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| Review Date: April 18, 2009 |
| Reviewer: David Stebbins, |
If you're considering using the wind to generate electricity for your home, this book is probably the best you'll find to help you choose the right machine. More importantly, it may help you decide wind energy is not a viable option.
The author, Dan Chiras, has a gift. It's not in being inventive, or doing original work. Rather, it's his ability to distill and organize massive amounts of information and make it understandable.
He covers the pros and cons of wind energy. His co-authors, Mick Sagrillo and Ian Woofenden, are truly small scale wind energy icons. They use wind energy to power their own homes, and have written extensively about the subject, primarily in Home Power magazine. Sagrillo's article, "Apples & Oranges, Choosing a Home Sized Wind Generator" (Home Power #90, Aug/Sept 2002) is arguably the best 16 pages ever written about small scale wind. However, because all three authors love wind energy, the pros generally outweigh the cons when it comes to choosing wind as an energy source.
The book is divided into 9 parts:
Understanding Wind and Wind Energy, covering friction and turbulence, and the concept of wind as cube: double the wind speed, and get eight times the energy.
Wind Energy Systems. Grid-tie versus off-grid.
Wind Site Assessment. Besides determining the wind potential of your site, a lot of emphasis, correctly, is on home energy conservation.
A Primer on Wind Generators includes the importance of "swept area" as being the most reliable indicator of generator output.
Towers and Tower Installation. There are three kinds of towers. A towers cost may exceed that of the generator.
Understanding Batteries. This has nothing to do with wind generators, but for those considering living off-grid, this chapter is important.
Inverters. If you're going to be tied to the grid you've got to have one. Covers the various types.
Maintaining a Wind-Electric System. Not for the faint of heart. You may decide wind is not for you after reading this chapter.
Final Considerations: Zoning, Permits, Covenants, Utility Companies, Insurance and Buying a System.
I've lived off-grid with a hybrid wind/solar system for nine years. I'm on my second wind generator. I wish this book had been available when I was building my system. The only comparable book available on small scale wind is Paul Gipe's, "Wind Power." It is also excellent, but is more technical, and for me, was less accessible.
For anyone interested in small scale wind energy, "Power From the Wind" is probably the best single source of information you'll find.
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