Shan C. Sun

Person

Coral Springs, FL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electric power system with remote monitoring and control of protect...
- Patent number 4,972,290
- Issue date Nov 20, 1990
- ABB Power T&D Company Inc.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electromagnet relay with flux biasing
- Patent number 4,968,960
- Issue date Nov 6, 1990
- ABB Power T&D Company Inc.
- Redjem Bouhenguel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Phase comparison relaying system with single channel communications...
- Patent number 4,935,837
- Issue date Jun 19, 1990
- ABB Power T&D Company Inc.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for secure digital communication
- Patent number 4,899,383
- Issue date Feb 6, 1990
- Westinghouse Electric Corp.
- Charles W. Einolf
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic reverse power relay
- Patent number 4,698,718
- Issue date Oct 6, 1987
- Westinghouse Electric Corp.
- Kung C. Chow
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Active pilot wire apparatus for electromechanical current different...
- Patent number 4,675,775
- Issue date Jun 23, 1987
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Direct transfer trip apparatus for use with an active pilot wire co...
- Patent number 4,675,774
- Issue date Jun 23, 1987
- Westinghouse Electric Corp.
- Russell W. Gonnam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Signal quality monitor for protective relay system
- Patent number 4,591,940
- Issue date May 27, 1986
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay apparatus and method for providing single-pole tri...
- Patent number 4,538,196
- Issue date Aug 27, 1985
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Signal quality monitor for protective relay system
- Patent number 4,524,446
- Issue date Jun 18, 1985
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Frequency modulation or pulse modulation demodulator
- Patent number 4,510,453
- Issue date Apr 9, 1985
- Westinghouse Electric Corp.
- Shan C. Sun
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Closed-loop frequency regulated generator apparatus
- Patent number 4,471,286
- Issue date Sep 11, 1984
- Westinghouse Electric Corp.
- Theodore M. Heinrich
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Productive relay apparatus for protection from sub-synchronous curr...
- Patent number 4,470,091
- Issue date Sep 4, 1984
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay system
- Patent number 4,464,697
- Issue date Aug 7, 1984
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pulse modulator using capacitor charging and discharging circuits
- Patent number 4,380,746
- Issue date Apr 19, 1983
- Westinghouse Electric Corp.
- Shan C. Sun
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Network protector relay
- Patent number 4,293,886
- Issue date Oct 6, 1981
- Westinghouse Electric Corp.
- Larry L. Church
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay apparatus
- Patent number 4,275,429
- Issue date Jun 23, 1981
- Westinghouse Electric Corp.
- Larry L. Church
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay device
- Patent number 4,246,623
- Issue date Jan 20, 1981
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay apparatus
- Patent number 4,218,718
- Issue date Aug 19, 1980
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay apparatus
- Patent number 4,208,687
- Issue date Jun 17, 1980
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current based power supply
- Patent number 4,173,039
- Issue date Oct 30, 1979
- Electric Power Research Institute, Inc.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Symmetrical component sequence filter
- Patent number 4,146,913
- Issue date Mar 27, 1979
- Westinghouse Electric Corp.
- Shan C. Sun
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for detecting subsynchronous current in power systems
- Patent number 4,125,884
- Issue date Nov 14, 1978
- Westinghouse Electric Corp.
- Shan C. Sun
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for protection against subsynchronous currents in a power...
- Patent number 4,106,071
- Issue date Aug 8, 1978
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Technique for extending the range of a signal measuring circuit
- Patent number 4,075,559
- Issue date Feb 21, 1978
- Westinghouse Electric Corporation
- Anthony G. Chaprnka
- G01 - MEASURING TESTING
Information Patent Grant
Inverse time-overcurrent relay using successive linear approximations
- Patent number 4,017,766
- Issue date Apr 12, 1977
- Westinghouse Electric Corporation
- Leonard C. Vercellotti
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Measuring circuit
- Patent number 4,002,977
- Issue date Jan 11, 1977
- Westinghouse Electric Corporation
- Shan C. Sun
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Monitoring and control of field electrical power equipment
- Publication number 20060155422
- Publication date Jul 13, 2006
- David Uy
- G05 - CONTROLLING REGULATING

Shan C. Sun

Person

Patents Grantslast 30 patents

Electric power system with remote monitoring and control of protect...

Electromagnet relay with flux biasing

Phase comparison relaying system with single channel communications...

Apparatus and method for secure digital communication

Electronic reverse power relay

Active pilot wire apparatus for electromechanical current different...

Direct transfer trip apparatus for use with an active pilot wire co...

Signal quality monitor for protective relay system

Protective relay apparatus and method for providing single-pole tri...

Signal quality monitor for protective relay system

Frequency modulation or pulse modulation demodulator

Closed-loop frequency regulated generator apparatus

Productive relay apparatus for protection from sub-synchronous curr...

Protective relay system

Pulse modulator using capacitor charging and discharging circuits

Network protector relay

Protective relay apparatus

Protective relay device

Protective relay apparatus

Protective relay apparatus

Current based power supply

Symmetrical component sequence filter

Apparatus for detecting subsynchronous current in power systems

Apparatus for protection against subsynchronous currents in a power...

Technique for extending the range of a signal measuring circuit

Inverse time-overcurrent relay using successive linear approximations

Measuring circuit

Patents Applicationslast 30 patents

Monitoring and control of field electrical power equipment