Inventor
RITTER ALLEN M
US20 patents
Patents
20 patentsUS5734256AMar 31, 1998
Apparatus for protection of power-electronics in series compensating systems
GEN ELECTRIC99 citations98
US7939959B2May 10, 2011
Wind turbine with parallel converters utilizing a plurality of isolated transformer windings
GEN ELECTRIC62 citations96
US7423412B2Sep 9, 2008
Method, apparatus and computer program product for injecting current
GEN ELECTRIC101 citations96
US6021035AFeb 1, 2000
Apparatus for protection of power-electronics in series compensating systems
GEN ELECTRIC61 citations96
US7978445B2Jul 12, 2011
Systems and apparatus relating to wind turbine electrical control and operation
GEN ELECTRIC32 citations92
US7928592B2Apr 19, 2011
Wind turbine with parallel converters utilizing a plurality of isolated generator windings
GEN ELECTRIC36 citations91
US7456695B2Nov 25, 2008
Apparatus, method and computer program product for tracking information in an electric grid
GEN ELECTRIC17 citations91
US7944068B2May 17, 2011
Optimizing converter protection for wind turbine generators
GEN ELECTRIC44 citations90
US5443566AAug 22, 1995
Electronic antisway control
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US4633241ADec 30, 1986
Method of automated in-place SCR testing
GEN ELECTRIC28 citations88
US7532490B2May 12, 2009
Converter topology and methods for interfacing an electrical machine to electrical power grid
GEN ELECTRIC18 citations82
US4698577AOct 6, 1987
Method of digital flux reconstruction with DC elimination
GEN ELECTRIC21 citations79
US6840308B2Jan 11, 2005
Heat sink assembly
GEN ELECTRIC17 citations77
US4373150AFeb 8, 1983
Motor control system
GEN ELECTRIC9 citations74
US4473790ASep 25, 1984
Control circuit for suppression of line resonances in current feedback pulse width modulation control systems with a minimum d-c filter
GEN ELECTRIC14 citations73
US7940131B2May 10, 2011
Apparatus, method and computer program product for tracking information in an electric grid
GEN ELECTRIC6 citations72
US4298810ANov 3, 1981
Semiconductor device conduction state detection circuit
GEN ELECTRIC12 citations72
US4280081AJul 21, 1981
Motor drive system with inertia compensation
GEN ELECTRIC18 citations72
US4658192AApr 14, 1987
Programmable deadband current regulator
GEN ELECTRIC16 citations71
US6791852B2Sep 14, 2004
Method for detecting and identifying shorted thyristors
GEN ELECTRIC9 citations67