Electricity generator and an installation comprising a lighting tower powered by such a generator
US7839034B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2008 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Mar 5, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K1/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides an electricity generator for a lighting tower having a plurality of discharge lamps, each lamp being of power greater than 750 W, the generator being arranged to be driven by an engine, the generator being a multiphase generator having n phases, where n is an even integer, each phase being independent in a magnetic circuit that is common to all of the phases and being configured to power one lamp, the generator comprising a rotor with permanent magnets, having 3 n poles, and a stator concentric with the rotor and subjected to the radial magnetic flux from the magnets, the stator comprising a stack of laminations of silicon iron having a silicon content greater than 0.5% and of individual thickness greater than 0.35 mm, defining 4 n magnetic circuit teeth, with every other tooth carrying a winding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.