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| Number | Title | Issue Date |
| 7078830 | Connecting circuit and method for connecting a generator to the electricity grid making use thereof The present invention relates to a connecting circuit for connecting to an electricity grid an electric generator for generating electrical energy, comprising a measuring circuit for measuring the current through the connecting circuit; a storage element for storing... | 07/18/2006 |
| 6657321 | Direct current uninterruptible power supply method and system A method and system are described for providing a direct current (DC) uninterruptible power supply with the method including, for example: continuously supplying fuel to a turbine; converting mechanical power from the turbine into alternating current (AC)... | 12/02/2003 |
| 6628012 | Uninterruptible power supply An uninterruptible power supply system (UPS) includes a coupling choke (5) being operably arranged between an electrical load (2) and an external source of power (4). A generator (8) is operably connected to the coupling choke (5) on the side of the elect... | 09/30/2003 |
| 6268559 | Photovoltaic generation system, wiring apparatus for photovoltaic generation system, and wiring structure therefor A wiring apparatus comprises a trunk cable, branch junctions, and branch cables diverging individually from the branch junctions. A plurality of photovoltaic modules, which are arranged side by side on a roof of a building or the like, or module units, co... | 07/31/2001 |
| 4177414 | Controllable voltage A.C. generator system This invention relates to a generator system for generating a readily controllable A.C. of a selected potential and of a substantially constant selected frequency, which system comprises a first, or master, rotary generator producing an A.C. potential of ... | 12/04/1979 |
| 4057736 | Electrical power generation and distribution system Problems associated with moving fuel from remote sources to large centralized power generation plants are avoided with an economical system for collecting power from small stations located near the scattered, remote fuel sites. To avoid a need for many ma... | 11/08/1977 |