1
Simon R Wall: Detection of islanded behavior and anti-islanding protection of a generator in grid-connected mode. Capstone Turbine Corporation, Sterne Kessler Goldstein & Fox PLLC, November 9, 2004: US06815932 (76 worldwide citation)

A method of controlling a generator system connected to an electric power system in which the output frequency characteristic of the generator system is measured, a first phase angle and frequency of the measured frequency characteristic is estimated using a first phase locked loop having a first ba ...


2
Simon R Wall: Detection of islanded behavior and anti-islanding protection of a generator in grid-connected mode. Capstone Turbine Corporation, Waddey & Patterson, Lucian Wayne Beavers, March 8, 2005: US06864595 (53 worldwide citation)

A method of controlling a generator system connected to an electric power system in which the output frequency characteristic of the generator system is measured, a first phase angle and frequency of the measured frequency characteristic is estimated using a first phase locked loop having a first ba ...


3
Mark G Gilbreth, Everett R Geis, Claude Khalizadeh, David McShane, Joel B Wacknov, Simon R Wall: Continuous power supply with back-up generation. Capstone Turbine Corporation, Sterne Kessler Goldstein & Fox PLLC, November 2, 2004: US06812587 (53 worldwide citation)

A continuous power supply may include a turbogenerator to provide power to supply the load and or an energy storage element and possibly also to the primary energy source. Utilizing an isolated DC bus architecture permits bi-directional power flow among interconnected elements.


4
Simon R Wall, Mark G Gilbreth, Joel B Wacknov: Multiple power generator connection method and system. Capstone Turbine Corporation, Paul D Chancellor, Sterne Kessler Goldstein & Fox PLLC, February 18, 2003: US06522030 (37 worldwide citation)

A method and system for connecting a plurality of power generators, each having an electrical power converter output and adjustable output voltage magnitude and frequency, with at least one digital communications bus to provide synchronization and load sharing. One of the plurality of power generato ...


5
Simon R Wall, Joel B Wacknov, Mark G Gilbreth, Ken Keller: System and method for dual mode control of a turbogenerator/motor. Capstone Turbine Corporation, Irell & Manella, June 25, 2002: US06410992 (30 worldwide citation)

A method of controlling a permanent magnet turbogenerator/motor includes providing a protected load connected in parallel with the turbogenerator/motor through a pulse width modulated inverter configured in a first operating mode to supply controlled current from the turbogenerator/motor to a utilit ...


6
Mark G Gilbreth, Simon R Wall, Joel B Wacknov: Combustion control method and system. Capstone Turbine Corporation, Norman Brunell, Raj Sardesai, Irell & Manella, August 14, 2001: US06274945 (26 worldwide citation)

A multi-injector combustion system in which a brake resistor is utilized to provide a minimum load for the combustor system during idle or low power operation of the permanent magnet turbogenerator/motor and also to absorb power during transients to prevent flame out of the combustor. In addition, d ...


7
Michael J Ryan, Mark G Gilbreth, Kenneth W Keller, Simon R Wall: System and method for pre-charging the DC bus of a utility connected power converter. Capstone Turbine Corporation, Waddey & Patterson P C, Lucian Wayne Beavers, August 15, 2006: US07092262 (13 worldwide citation)

A system and method for pre-charging the DC bus of a utility connected power converter. In one embodiment, a full-wave rectifier circuit is coupled to the utility grid through an isolation transformer and circuit protector. The rectifier circuit output is connected to the DC bus of the power convert ...


8
Simon R Wall, Joel B Wacknov, Mark G Gilbreth, Ken Keller: System and method for dual mode control of a turbogenerator/motor. Capstone Turbine Corporation, Sterne Kessler Goldstein & Fox P L L C, December 16, 2003: US06664654 (12 worldwide citation)

A method of controlling a permanent magnet turbogenerator/motor includes providing a protected load connected in parallel with the turbogenerator/motor through a pulse width modulated inverter configured in a first operating mode to supply controlled current from the turbogenerator/motor to a utilit ...


9
Mark G Gilbreth, Simon R Wall, Ake N C Almgren, Joel B Wacknov: Automatic turbogenerator restarting method and system. Capstone Turbine Corporation, Irell & Manella, August 28, 2001: US06281596 (11 worldwide citation)

A method and system to automatically restart a permanent magnet turbogenerator/motor when a fatal fault is detected. The automatic restart logic includes time constraints and limitations on the number of iterations, and is useful regardless of whether the permanent magnet turbogenerator/motor is in ...


10
Mark G Gilbreth, Simon R Wall, Ake N C Almgren, Joel B Wacknov: Automatic turbogenerator restarting system. Capstone Turbine Corporation, Sterne Kessler Goldstein & Fox PLLC, March 30, 2004: US06713892 (11 worldwide citation)

A method and system to automatically restart a permanent magnet turbogenerator/motor when a fatal fault is detected. The automatic restart logic includes time constraints and limitations on the number of iterations, and is useful regardless of whether the permanent magnet turbogenerator/motor is in ...