Inventor

Robert Gregory Wagoner

Inventor

Roanoke, VA, US

Overview

1988–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 134 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Mprimary

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems18%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution18%

H02JElectric power networks15%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters10%

F03DWind motors8%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%

H03KPulse technique4%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g4%

H02HEmergency protective circuit arrangements4%

H02KDynamo-electric machines2%

PatentTitleYear

11,114,963Method and system for enhancing electrical power production by a power generation system by controlling switches to place a rotor-side converter in parallel with a line-side converter2021 11,081,891Electrical power systems having reactive power and harmonic support components2021 11,031,792Battery charging control system and method of operation thereof2021 11,013,070System and method for controlling multiple IGBT temperatures in a power converter of an electrical power system2021 10,965,132Grounding circuit for a backup power source2021 10,951,030System and method for reactive power control of a wind farm2021 10,931,115Electrical power systems having a cluster transformer with multiple primary windings2021 10,871,145System and method for preventing voltage collapse of wind turbine power systems connected to a power grid2020 10,826,306System and method for monitoring ultracapacitors2020 10,797,486System and method for controlling DC link voltage of a power converter of an electrical power system2020 10,784,685Electrical power systems and subsystems2020 10,784,689Electrical power systems and methods using distortion filters2020 10,777,863Battery storage system with integrated inverter2020 10,778,112DFIG converter with active filter2020 10,760,547System and method for controlling voltage of a DC link of a power converter of an electrical power system2020 10,756,658Allocating reactive power production for doubly fed induction generator wind turbine system2020 10,742,110System and method for operating a power converter to improve IGBT reliability2020 10,700,526Solar power converter with four-wire grid-side connection2020 10,638,648Cooling system with pressure regulation2020 10,630,215System and method for operating a doubly fed induction generator system to reduce harmonics2020 10,615,727Dynamic brake circuit assembly for a wind turbine2020 10,570,882Dynamic active and reactive power capability for wind farms2020 10,554,044System and method for optimizing reactive power generation of a wind farm2020 10,530,237Energy storage system for renewable energy source2020 10,468,881Electrical power systems having zig-zag transformers2019 10,468,885Battery storage system with integrated inverter2019 10,439,534System and method for controlling switching device temperature of electrical power systems2019 10,439,533Power converter for doubly fed induction generator wind turbine systems2019 10,411,473Power converter for energy systems2019 10,396,695Method for protecting an electrical power system2019 10,352,298Wind generation system and controlling method thereof2019 10,283,964Predictive control for energy storage on a renewable energy system2019 10,243,352Battery-supported braking system for a wind turbine2019 10,205,399Switching strategy for increased efficiency of power converters2019 10,186,995Rotating switching strategy for power converters2019 10,148,206Controlling operation of a power converter based on grid conditions2018 10,148,205Control method for power converters with inverter blocks with silicon carbide MOSFETs2018 10,141,744Cable arrangement of an energy storage system2018 10,110,149Grounding scheme for power converters with silicon carbide MOSFETs2018 10,103,665Protection for redundancy of isolated inverter blocks2018 10,104,814System and method for cooling electrical components of a power converter2018 10,103,663Control method for protecting switching devices in power converters in doubly fed induction generator power systems2018 10,103,537Ground fault detection and interrupt system2018 10,067,175Determining bond wire failures2018 10,027,240Ground fault isolation for power converters with silicon carbide MOSFETs2018 9,859,808'Power converter topology for use in an energy storage system'2018 9,859,787'Life of a semiconductor by reducing temperature changes therein via reactive power'2018 9,793,788'Energy storage system for renewable energy source'2017 9,748,947'IGBT gate drive circuit and method'2017 9,716,444'Pulse width modulation (PWM) for multi-level power inverters'2017 9,681,568'Compact stacked power modules for minimizing commutating inductance and methods for making the same'2017 9,671,442'System and method for detecting a grid event'2017 9,625,921'Life of a semiconductor by reducing temperature changes therein via switching frequency'2017 9,537,437'Method and system for controlling switching frequency of a doubly-fed induction generator (DFIG)'2017 9,503,007'System and method for controlling a power generation system connected to a weak grid'2016 9,496,864'Gate drive circuit and method of operating same'2016 9,455,568'Energy storage system for renewable energy source'2016 9,450,503'Power converter with a multi-level bridge topology and control method'2016 9,444,448'High performance IGBT gate drive'2016 9,431,846'Systems and methods for controlling battery charging'2016 9,369,076'Dynamic braking system for an electric power system and method of operating the same'2016 9,362,859'System and method for controlling switching elements within a single-phase bridge circuit'2016 9,343,991'Current balance control for non-interleaved parallel bridge circuits in power converter'2016 9,337,657'Power unit control system'2016 9,337,685'Optimized filter for battery energy storage on alternate energy systems'2016 9,312,682'System and method for overvoltage protection'2016 9,287,766'Power system junction temperature control'2016 9,281,761'Control scheme for current balancing between parallel bridge circuits'2016 9,231,492'System and method of power conversion'2016 9,231,509'System and method for operating a power generation system within a power storage/discharge mode or a dynamic brake mode'2016 9,194,376'System and method for estimating remaining life for a device'2015 9,184,584'Device and system for reducing overvoltage damange'2015 9,136,709'Methods and systems for selectively coupling a power conversion system to an electrical grid'2015 9,118,184'Alternative power converter system'2015 9,099,930'Power converter and method of assembling the same'2015 9,088,203'Current balance for a multi-phase electric power converter and method for operating the same'2015 9,083,233'Dynamic break and distortion filter'2015 9,083,261'Neutral point clamped converter control system and control method and compensation unit'2015 9,048,831'Systems and methods for regulating semiconductor devices'2015 9,048,764'Connection for improved current balancing in a parallel bridge power converter'2015 9,030,174'Current balance control in converter for doubly fed induction generator wind turbine system'2015 9,002,265'Method, system and apparatus for galvanic isolation of gate-controlled devices'2015 8,981,762'Apparatus and method for improved current shunt sensing'2015 8,975,768'Methods for operating wind turbine system having dynamic brake'2015 8,964,435'Methods and systems for operating a power converter'2015 8,907,716'Systems and methods for control of power semiconductor devices'2014 8,907,510'Method and systems for operating a wind turbine'2014 8,897,014'Mechanical layout for half-bridge power module that is optimized for low inductance'2014 8,897,040'Power converter systems and methods of operating a power converter system'2014 8,853,876'Switching-based control for a power converter'2014 8,791,671'System and method for optimization of dual bridge doubly fed induction generator (DFIG)'2014 8,780,516'Systems, methods, and apparatus for voltage clamp circuits'2014 8,773,873'Methods and systems for operating a power converter'2014 8,737,102'Acoustic noise modification in power converters'2014 8,711,565'System and method for operating an electric power converter'2014 8,669,669'Voltage control in a doubly-fed induction generator wind turbine system'2014 8,664,788'Method and systems for operating a wind turbine using dynamic braking in response to a grid event'2014 8,576,598'Systems, methods, and apparatus for converting direct current (DC) power to alternating current (AC) power'2013 8,537,581'Power converter system and methods of operating a power converter system'2013 8,358,033'Systems, methods, and apparatus for converting DC power to AC power'2013 8,310,796'Methods and systems for operating power converters'2012 8,259,479'Methods and systems for operating a two-stage power converter'2012 8,228,697'Systems, methods, and apparatus for operating a power converter'2012 8,180,618'Method and system for inductor power loss analysis'2012 8,138,620'Methods and systems for operating a wind turbine power converter'2012 8,089,334'Cast-coil inductor'2012 8,085,564'DC bus voltage control for two stage solar converter'2011 8,058,745'Systems and methods providing a power converter'2011 8,050,063'Systems and methods for controlling a converter for powering a load'2011 8,050,062'Method and system to allow for high DC source voltage with lower DC link voltage in a two stage power converter'2011 7,994,750'Systems and methods for controlling a converter for powering a load'2011 7,944,068'Optimizing converter protection for wind turbine generators'2011 7,939,959'Wind turbine with parallel converters utilizing a plurality of isolated transformer windings'2011 7,928,592'Wind turbine with parallel converters utilizing a plurality of isolated generator windings'2011 7,923,965'Methods for coupling an energy storage system to a variable energy supply system'2011 7,855,906'DC bus voltage control for two stage solar converter'2010 7,847,507'Zero-current notch waveform for control of a three-phase, wye-connected H-bridge converter for powering a high-speed electric motor'2010 7,643,318'Dual voltage wye-connected H-bridge converter topology for powering a high-speed electric motor'2010 7,643,319'7-level wye-connected H-bridge converter topology for powering a high-speed electric motor'2010 7,567,447'Electrical switching device having current balanced transistors'2009 7,405,496'Transfer circuit topology for redundant power generator regulators and inverting DC drives'2008 7,239,036'System and method for power control in wind turbines'2007 7,170,180'Methods and systems for improved current sharing between parallel power semiconductors in power converters'2007 6,713,898'Internal reactor thyristor stack'2004 6,618,235'Snubber circuit'2003 6,594,130'Method and circuit for the protection of a thyristor'2003 5,932,995'Dual buck converter with coupled inductors'1999 5,825,639'DC bus capacitor arrangement'1998 5,614,812'Power supply with power factor correction'1997 5,528,126'Power supply with power factor correction'1996 5,386,147'Aerospace power control system for monitoring and reliably transferring power buses'1995 4,950,976'Current variation reduction for mosfet current sources'1990 4,914,542'Current limited remote power controller'1990 4,736,268'High frequency AC solid state switch'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1995Based in Troy, OH, US· patent location history

1996–1997Based in Bluffton, IN, US· patent location history

1998–1999Based in Waukesha, WI, US· patent location history

2003–2021Patents assigned to GEN ELECTRIC (115)· patent assignee history

2003–2021Based in Roanoke, VA, US· patent location history

2011–2016Patents assigned to WAGONER ROBERT GREGORY (35)· patent assignee history

2011–2016Patents assigned to SMITH DAVID (9)· patent assignee history

2012–2016Patents assigned to RITTER ALLEN MICHAEL (9)· patent assignee history

2014–2021Based in Salem, VA, US· patent location history

2017–2021Patents assigned to GE ENERGY POWER CONVERSION TECHNOLOGY LTD (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	115	2003–2021
WAGONER ROBERT GREGORYself	35	2011–2016
GE ENERGY POWER CONVERSION TECHNOLOGY LTD	11	2017–2021
RITTER ALLEN MICHAEL	9	2012–2016
SMITH DAVID	9	2011–2016

Locations

Location	Patents	Span
Roanoke, Virginia, US	109	2003–2021
Salem, Virginia, US	17	2014–2021
Troy, OH, US	3	1990–1995
Waukesha, WI, US	2	1998–1999
Bluffton, IN, US	2	1996–1997