Berg ian (39 risultati)

Soft cover. Condizione: Very Good. 36 pages. Jeremy West all "An anarchist in Africa" Arthur Moyse "From (U.P.) the step of a bus" / Leila Berg "In the trucks" / Jeremy Hunt "The whippet plan" / William Spruce "Irrelevancies of Beeching" / Tom Jones "Too many cars" / Jim Garnett "Transport: the scope for citizen action" / Ian Vine "The morality of anarchism" / John Crump "Not quite an anarchist".…

Flexibound. Condizione: Used; Good. **SHIPPED FROM UK** We believe you will be completely satisfied with our quick and reliable service. All orders are dispatched as swiftly as possible! Buy with confidence! Greener Books.

Condizione: Good. Contemporary reprint. 34, [2] pages. Contains Introduction, Assessable Kinetic Energy of a Synchronous Generator, Accessible Stored Energy in A Wind Turbine, Use Cases, Financial Recovery, Conclusions, References, and Distribution. Also includes Figures, a Table, and Nomenclature. The primary focus of this paper is the use of stored rotational energy in the wind turbine without the need to spill wind--that is, the need to reduce output below its maximum output to gain the ability to increase its power output on demand. This idea has not been exploited to near its potential. Dr. Guttromson was the Manager, Energy Storage and Transmission Analysis at Sandia National Laboratories. This paper discusses the broad use of rotational kinetic energy stored in wind turbine rotors to supply services to the electrical power grid. The grid services are discussed in terms of zero-net-energy, which do not require a reduction in power output via pitch control (spill), but neither do they preclude doing so. The services discussed include zero-net-energy regulation, transient and small signal stability, and other frequency management services. The delivery of this energy requires a trade-off between the frequency and amplitude of power modulation and is limited, in some cases, by equipment ratings and the unresearched long-term mechanical effects on the turbine. As wind displaces synchronous generation, the grid's inertial storage is being reduced, but the amount of accessible kinetic energy in a wind turbine at rated speed is approximately 6 times greater than that of a generator with only a 0.12% loss in efficiency and 75 times greater at 10% loss. The potential flexibility of the wind's kinetic storage is also high. However, the true cost of providing grid services using wind turbines, which includes a potential increase in operations and maintenance costs, have not been compared to the value of the services themselves. Staple bound (upper left corner). …

Condizione: As New. Unread book in perfect condition.

Condizione: New.

Condizione: New.

paperback. Condizione: Good. Most items will be dispatched the same or the next working day. A copy that has been read but remains in clean condition. All of the pages are intact and the cover is intact and the spine may show signs of wear. The book may have minor markings which are not specifically mentioned.…

Paperback. Condizione: New.

Condizione: New. In English.

Condizione: New. In English.

Condizione: New.

paperback. Condizione: Good. Our good condition books are generally good for reading but not for gifting or collecting. They could have imperfections such as creasing, fanning, inscriptions, margin notes, yellowing, staining on edge or cover or pages, bumps, scuffs, etc etc (sometimes multiple of these). It's a wide category that encompasses anything that isn't almost-new down to anything that is slightly better than poor. We would NOT recommend gifting Good books - these should be considered reading copies. Our books are dispatched from a Yorkshire former cotton mill. We list via barcode/ISBN so please note that the images are stock images and may not be the exact copy you receive, furthermore the details about edition and year might not be accurate as many publishers reuse the same ISBN for multiple editions and as we simply scan a barcode or enter an ISBN we do not check the validity of the edition data when listing. If you're looking for an exact edition please don't order (at least not without checking with us first, although we don't always have time to check). We aim to dispatch prompty, the service used will depend on order value and book size. We can ship to most countries, see our shipping policies. Payment is via Abe only.…

Paperback. Condizione: New.

Pictorial wrappers. Condizione: Very Good +. First Edition. A sharp copy of this 1962 "Who's Who of the Britsh Traditional Jazz Scene". Clean and VG+ to Near Fine in its pictorial wrappers, with just a touch of very light chipping at the spine ends. 12mo, crisp, first-rate black-and-white photos throughout.…

Condizione: New.

Condizione: New. This is a Brand-new US Edition. This Item may be shipped from US or any other country as we have multiple locations worldwide.

Condizione: New. In English.

Condizione: New. pp. 156.

PARIS, Le Crochet satirique du Vendredi [8, Passage Violet /// Imprimerie Spéciale du Crochet, C. Delangre, Imprimeur, 37, rue du Louvre] - 1946 - Journal en un double feuillet [43x30 cm]; 4 pages non foliotées; bandeau-titre illustré et dessins/caricatures in-texte en noir par Pol Ferjac, Lap, Carbi, Peynet, Mitel Berg, Bil, Bec, Ian Peterson, Sylve, Las; texte sur 6 colonnes. (Collection Le Crochet satirique du Vendredi - 1re Année - N° 2 - 14 Juin 1946 - Hebdomadaire - Le Gérant: A. Montagne - Prix: 4 francs). Pliures horizontales et verticale. Bon état. Cette feuille aura 12 numéros, du 7 Juin au 23 Août 1946 [I, N° 1 à 12]. Français Journal. …

Paperback. Condizione: Brand New. reprint edition. 151 pages. 9.25x6.10x0.40 inches. In Stock.

Condizione: Used. pp. 142 1st Edition.

Condizione: as new. Appears unread. May have a retail sticker on back cover or remainder mark on the text block.

Condizione: Used. pp. 142.

Hardcover. Condizione: Good. Dust Jacket NOT present. CD WILL BE MISSING. . SHIPS FROM MULTIPLE LOCATIONS. book.

Condizione: Used. pp. 142.

Condizione: As New. Unread book in perfect condition.

Paperback. Condizione: Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.

Condizione: As New. Unread book in perfect condition.

Condizione: Good. Your purchase helps support Sri Lankan Children's Charity 'The Rainbow Centre'. Ex-library, so some stamps and wear, but in good overall condition. Our donations to The Rainbow Centre have helped provide an education and a safe haven to hundreds of children who live in appalling conditions.…

Hardcover. Condizione: Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.