Loren H. Walker

Person

Salem, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Switched MOV device
- Patent number 5,621,599
- Issue date Apr 15, 1997
- General Electric Company
- Einar V. Larsen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for achieving current balance in parallel conn...
- Patent number 5,338,994
- Issue date Aug 16, 1994
- General Electric Company
- Georges R. E. Lezan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion scheme employing shorting means to control current...
- Patent number 5,091,840
- Issue date Feb 25, 1992
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion scheme employing paralleled units
- Patent number 5,070,440
- Issue date Dec 3, 1991
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for matching turn-off times of parallel connec...
- Patent number 5,051,603
- Issue date Sep 24, 1991
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system for a current source converter supplying an AC bus
- Patent number 5,041,959
- Issue date Aug 20, 1991
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for controlling a power converter
- Patent number 4,994,981
- Issue date Feb 19, 1991
- Electric Power Research Institute, Inc.
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for determining the control electrode to catho...
- Patent number 4,775,925
- Issue date Oct 4, 1988
- General Electric Company
- Georges R. E. Lezan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and method for failure testing of a control turn-off semi...
- Patent number 4,641,231
- Issue date Feb 3, 1987
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Frequency measurement system
- Patent number 4,609,990
- Issue date Sep 2, 1986
- General Electric Company
- James W. Sember
- G01 - MEASURING TESTING
Information Patent Grant
Flux control for induction motor drive using load commutated invert...
- Patent number 4,607,206
- Issue date Aug 19, 1986
- General Electric Company
- James W. Sember
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Induction motor drive using load commutated inverter circuit
- Patent number 4,602,198
- Issue date Jul 22, 1986
- General Electric Company
- Herbert W. Weiss
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Alternating current motor drive having current filter
- Patent number 4,602,200
- Issue date Jul 22, 1986
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control for induction motor drive using load commutated inverter ci...
- Patent number 4,602,199
- Issue date Jul 22, 1986
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Capacitance control for a static var generator
- Patent number 4,602,206
- Issue date Jul 22, 1986
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Excitation current control for induction motor drive using load com...
- Patent number 4,600,874
- Issue date Jul 15, 1986
- General Electric Company
- Leland C. Tupper
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Thyristor voltage limiter for current source inverter
- Patent number 4,545,002
- Issue date Oct 1, 1985
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for adaptive control in a power converter operating in a dis...
- Patent number 4,507,723
- Issue date Mar 26, 1985
- General Electric Company
- William D. Brackman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control for a force commutated current source var generator
- Patent number 4,496,899
- Issue date Jan 29, 1985
- General Electric Company
- David L. Lippitt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Coordinated load commutated inverter protection system
- Patent number 4,475,150
- Issue date Oct 2, 1984
- General Electric Company
- John D. D'Atre
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for frequency measurement of an alternating cu...
- Patent number 4,454,470
- Issue date Jun 12, 1984
- General Electric Company
- Fred H. Boettner
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for determining the resistance of an AC motor...
- Patent number 4,451,770
- Issue date May 29, 1984
- General Electric Company
- Fred H. Boettner
- G01 - MEASURING TESTING
Information Patent Grant
Commutation failure correction scheme for a controlled current inve...
- Patent number 4,449,088
- Issue date May 15, 1984
- General Electric Company
- John H. Cutler
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Flux feedback firing control for a load commutated inverter
- Patent number 4,449,087
- Issue date May 15, 1984
- General Electric Company
- David L. Lippitt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Twelve-pulse operation of a controlled current inverter motor drive
- Patent number 4,441,064
- Issue date Apr 3, 1984
- General Electric Company
- John H. Cutler
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cross-tied current regulator for load commutated inverter drives
- Patent number 4,420,719
- Issue date Dec 13, 1983
- General Electric Company
- John D. D'Atre
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective method and apparatus for a controlled current inverter a...
- Patent number 4,366,427
- Issue date Dec 28, 1982
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Unintentional impedance detection system
- Patent number 4,364,007
- Issue date Dec 14, 1982
- General Electric Company
- John H. Cutler
- G01 - MEASURING TESTING
Information Patent Grant
Voltage regulating system
- Patent number 4,355,242
- Issue date Oct 19, 1982
- General Electric Company
- Georges R. E. Lezan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controlled current inverter with angle command limit
- Patent number 4,314,190
- Issue date Feb 2, 1982
- General Electric Company
- Loren H. Walker
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Loren H. Walker

Person

Patents Grantslast 30 patents

Switched MOV device

Method and apparatus for achieving current balance in parallel conn...

Power conversion scheme employing shorting means to control current...

Power conversion scheme employing paralleled units

Method and apparatus for matching turn-off times of parallel connec...

Control system for a current source converter supplying an AC bus

Method and apparatus for controlling a power converter

Method and apparatus for determining the control electrode to catho...

Apparatus and method for failure testing of a control turn-off semi...

Frequency measurement system

Flux control for induction motor drive using load commutated invert...

Induction motor drive using load commutated inverter circuit

Alternating current motor drive having current filter

Control for induction motor drive using load commutated inverter ci...

Capacitance control for a static var generator

Excitation current control for induction motor drive using load com...

Thyristor voltage limiter for current source inverter

Method for adaptive control in a power converter operating in a dis...

Control for a force commutated current source var generator

Coordinated load commutated inverter protection system

Method and apparatus for frequency measurement of an alternating cu...

Method and apparatus for determining the resistance of an AC motor...

Commutation failure correction scheme for a controlled current inve...

Flux feedback firing control for a load commutated inverter

Twelve-pulse operation of a controlled current inverter motor drive

Cross-tied current regulator for load commutated inverter drives

Protective method and apparatus for a controlled current inverter a...

Unintentional impedance detection system

Voltage regulating system

Controlled current inverter with angle command limit