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2022
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Invention
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Optimizing transformer exciting current and loss test results by dynamically managing core magnet... |
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2021
|
Invention
|
Relay and metering test instrument. A relay and metering test instrument includes an application ... |
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|
Invention
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Configurable test instrument for power equipment |
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|
Invention
|
Configurable test instrument for power equipment. A diagnostic test instrument for testing power ... |
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2020
|
Invention
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Secured system for testing and maintenance of bulk electrical systems (bes) assets. A method for ... |
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Invention
|
System and method for performing transformer diagnostics. A method for performing diagnostics on ... |
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2017
|
Invention
|
A secured method for testing and maintenance of bulk electrical systems (bes) assets. A method fo... |
|
|
Invention
|
Secured method for testing and maintenance of bulk electrical systems (bes) assets. A method for ... |
|
|
Invention
|
Method and system of apparatuses for testing utility power devices. Test measurements on a utilit... |
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2016
|
Invention
|
Method and apparatus for testing utility power devices. An apparatus for performing measurements ... |
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2015
|
P/S
|
Electrical test apparatus; devices for the diagnosis and monitoring of electrical apparatus condi... |
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2014
|
Invention
|
Mitigating pcb voltage stresses in high-voltage devices. A method for mitigating voltage stress o... |
|
|
Invention
|
Methods and circuit structures for mitigating voltage stresses on printed circuit board (pcb) in ... |
|
|
Invention
|
Dual ground breaker testing system. A system for testing substation circuit breakers while the ci... |
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2013
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P/S
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Devices for the dielectric diagnosis of electrical equipment, devices and high voltage components... |
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P/S
|
devices for the dielectric diagnosis of electrical equipment, devices and high voltage components... |
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P/S
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Computer software for automated relay testing used in the electrical utility industry |
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2012
|
P/S
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Computer software for creating, editing and managing test procedures, test plans, and test templa... |
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P/S
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Computer software namely software to create, edit, and manage test procedures, test plans, and te... |
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P/S
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asset risk management software for database management, use in customer relationship management, ... |
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P/S
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collection and compilation of information into computer databases in the field of statistically s... |
|
|
Invention
|
System and method for testing electrical equipment used in a power system. A system and method ar... |
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2010
|
Invention
|
Method and device for improved detection and analysis of partial discharge activity in and around... |
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2008
|
P/S
|
Computer software namely software for creating command files, software for automated testing and ... |
|
|
Invention
|
System and method for modulating a power supply in a relay test system. A system and method are p... |
|
2007
|
P/S
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Electronic test equipment for measuring the performance of power system protection, control and m... |
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2005
|
P/S
|
Substation settings management computer software system for use in database management in the fie... |
|
2001
|
Invention
|
Power transformer transfer function testing. The invention comprises a system (10) and method for... |
|
|
P/S
|
Services for the electrical power industry, namely, consulting engineering services in connection... |
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|
P/S
|
Moisture sensor for electrical power transformers sold directly to public utilities |
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2000
|
P/S
|
Electrical power substation monitor comprised of sensors that measure electrical and physical sig... |
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|
P/S
|
Moisture sensor for electrical power transformers sold directly to public utilities. |
|
|
Invention
|
Monitoring leakage currents from high-voltage devices. Monitoring a leakage current from an insul... |
|
1999
|
Invention
|
Monitoring leakage currents from high-voltage devices. Monitoring a leakage current from an isola... |
|
1998
|
P/S
|
High voltage, high amperage and high power testing systems and components, namely megohmmeters, e... |
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|
P/S
|
High voltage, high amperage and high power testing systems and components, ie megohmmeters, equip... |
|
|
P/S
|
High voltage, high current and high power test systems and components, namely, megohm meters, tra... |
|
|
P/S
|
Computer program for use by owners and operators of high-voltage apparatus for testing and analyz... |
|
|
P/S
|
high voltage, high current and high power test systems and components, namely, megohm meters, tra... |
|
1997
|
P/S
|
Computer-based test instrumentation used for commissioning and maintenance of protective relay sy... |
|
1996
|
Invention
|
Impedance measuring. Impedance of a power system adapted for operation at a predetermined line fr... |
|
1995
|
Invention
|
Monitoring elements in a multi-phase alternating current network. A group of bushings receives vo... |
|
|
Invention
|
Reducing switching losses in a phase-modulated switch-mode amplifier. A switching amplifier circu... |
|
1992
|
Invention
|
Low phase error amplifying. The invention features an apparatus and technique for amplifying a si... |
|
|
Invention
|
Power amplifying apparatus for supplying a.c. signals having a maximum loop gain at a desired fre... |
|
1991
|
Invention
|
Automatic bridge balancing using controllable impedance in characterizing unknown impedance. Auto... |
|
1990
|
Invention
|
Amplifying with directly coupled, cascaded amplifiers. A signal is amplified with a plurality of ... |
|
|
Invention
|
Motion tranducing through conversion of linear motion to circular motion. A motion transducer inc... |
|
1989
|
Invention
|
Current shunting. A current shunt device has main and auxiliary windings which are located in sub... |
|
1987
|
Invention
|
Controlling electrical power. A power controller includes a full-wave bridge rectifier circuit co... |
|
1984
|
Invention
|
Current tap selecting switch. Six high-current conducting receptacles are seated in a panel suita... |
|
1983
|
Invention
|
Power converting. Power conversion system includes power amplifiers that receive D.C. potentials ... |
|
1981
|
Invention
|
Amplifying with cascaded class b amplifiers. An electronic Class B master power amplifier is casc... |
|
1976
|
Invention
|
Transformer ratio-arm bridge with improved balancing means. A bridge circuit of the transformer r... |
