Charles W. Edwards

Person

Monroeville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Neutral point connected apparatus providing compensation to an AC p...
- Patent number 5,984,173
- Issue date Nov 16, 1999
- Siemens Power Transmission & Distribution, LLC
- Charles Wood Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Line powered, primary side connected apparatus injecting voltage co...
- Patent number 5,949,221
- Issue date Sep 7, 1999
- Siemens Westinghouse Power Corporation
- Charles Wood Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power system switch incorporating a positive-sequence fundamental s...
- Patent number 5,642,003
- Issue date Jun 24, 1997
- Electric Power Research Institute, Inc.
- Charles W. Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Load current fundamental filter with one cycle response
- Patent number 5,359,275
- Issue date Oct 25, 1994
- Electric Power Research Institute, Inc.
- Charles W. Edwards
- G05 - CONTROLLING REGULATING
Information Patent Grant
Harmonic controller for an active power line conditioner
- Patent number 5,345,377
- Issue date Sep 6, 1994
- Electric Power Research Institute, Inc.
- Charles W. Edwards
- G05 - CONTROLLING REGULATING
Information Patent Grant
Apparatus and method for dynamic voltage restoration of utility dis...
- Patent number 5,329,222
- Issue date Jul 12, 1994
- Westinghouse Electric Corporation
- Laszlo Gyugyi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Low jitter phase locked loop for single phase applications
- Patent number 5,304,957
- Issue date Apr 19, 1994
- Westinghouse Electric Corp.
- Charles W. Edwards
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Single quadrant chopper timing control circuit for discontinuous cu...
- Patent number 5,010,291
- Issue date Apr 23, 1991
- Westinghouse Electric Corp.
- Charles W. Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Two-phase bang-bang current control synchronizer
- Patent number 4,984,148
- Issue date Jan 8, 1991
- Westinghouse Electric Corp.
- Charles W. Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Low dissipation capacitor voltage sharing circuit for a static AC/D...
- Patent number 4,686,619
- Issue date Aug 11, 1987
- Westinghouse Electric Corp.
- Charles W. Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High voltage modular inverter and control system thereof
- Patent number 4,674,024
- Issue date Jun 16, 1987
- Westinghouse Electric Corp.
- Derek A. Paice
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-inverter control apparatus
- Patent number 4,674,025
- Issue date Jun 16, 1987
- Westinghouse Electric Corp.
- Charles W. Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Delay circuit for inverter switches
- Patent number 4,651,270
- Issue date Mar 17, 1987
- Westinghouse Electric Corp.
- Charles W. Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter system with hysteresis transition between pulse width modu...
- Patent number 4,626,763
- Issue date Dec 2, 1986
- Westinghouse Electric Corp.
- Charles W. Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
PWM motor drive with torque determination
- Patent number 4,602,201
- Issue date Jul 22, 1986
- Westinghouse Electric Corp.
- Charles W. Edwards
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Charles W. Edwards

Person

Patents Grantslast 30 patents

Neutral point connected apparatus providing compensation to an AC p...

Line powered, primary side connected apparatus injecting voltage co...

Power system switch incorporating a positive-sequence fundamental s...

Load current fundamental filter with one cycle response

Harmonic controller for an active power line conditioner

Apparatus and method for dynamic voltage restoration of utility dis...

Low jitter phase locked loop for single phase applications

Single quadrant chopper timing control circuit for discontinuous cu...

Two-phase bang-bang current control synchronizer

Low dissipation capacitor voltage sharing circuit for a static AC/D...

High voltage modular inverter and control system thereof

Multi-inverter control apparatus

Delay circuit for inverter switches

Inverter system with hysteresis transition between pulse width modu...

PWM motor drive with torque determination