Electricity: single generator systems inventions 01/09

20090021224 - Voltage regulator for magnetogenerators with configurable connection of the phase windings: The voltage regulator receives power in A.C. from a permanent magnet voltage generator, having phase windings with a configurable connection, to supply power in D.C. to a battery. The voltage regulator comprises a plurality of semi-bridge rectifiers connected between the terminals of the phase windings of the voltage generator, and... Agent: Young & Thompson

20090021225 - Device for supplying the inductor of a rotating electrical machine: Device for supplying the inductor (3) of a rotating electrical machine, the device comprising a circuit (21) for supplying the inductor in nominal mode. The device also includes a circuit (22) for supplying the inductor (3) in auxiliary mode and a mode selector (23) capable, on the one hand, of... Agent: Berenato, White & Stavish, Llc

20090015212 - Planetary gear controlled alternator: An alternator system includes an input shaft, a planetary gear assembly, a variable resistance generator, and a control unit. The alternator assembly is structured to produce an output current having a frequency. The planetary gear assembly disposed between, and operatively coupled to, the input shaft and the alternator assembly. The... Agent: Martin J. Moran

20090015213 - Apparatus and method for detecting a brush liftoff in a synchronous generator rotor circuit: An apparatus and method detects an open condition of a grounding path provided by a rotor grounding brush electrically connecting a rotor body of a rotor to electrical ground. The rotor includes an insulated field winding wrapped around the rotor body and is configured to generate a magnetic field upon... Agent: Schweitzer Engineering Laboratories, Inc. Richard Edge

20090009146 - Generating system with a regulated permanent magnet machine: An electromechanical power transfer system that transfers power between a prime mover and a direct current (DC) electrical power system, comprises: a permanent magnet machine (PMM) that has a permanent magnet (PM) rotor coupled to the prime mover, a stator with a multiphase alternating current (AC) winding coupled to an... Agent: Stephen George Mican

20090001940 - Power system stabilizer and method: A power system stabilizer includes: a sensor configured for sensing a signal representative of electromechanical oscillations of the power system; a controller configured for using the sensed signal for generating control signals for damping the electromechanical oscillations; and a damper including a damping converter and a resistor coupled to the... Agent: General Electric Company Global Research