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2024
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Invention
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Relay and metering test instrument. A relay and metering test instrument includes an application ... |
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2022
|
Invention
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Configurable test instrument for power equipment |
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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
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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
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System and method for performing transformer diagnostics. A method for performing diagnostics on ... |
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2017
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Invention
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A secured method for testing and maintenance of bulk electrical systems (bes) assets. A method fo... |
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Invention
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Secured method for testing and maintenance of bulk electrical systems (bes) assets. A method for ... |
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Invention
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Method and system of apparatuses for testing utility power devices. Test measurements on a utilit... |
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2016
|
Invention
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Method and apparatus for testing utility power devices. An apparatus for performing measurements ... |
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2015
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P/S
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Electrical test apparatus; devices for the diagnosis and monitoring of electrical apparatus condi... |
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2014
|
Invention
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Mitigating pcb voltage stresses in high-voltage devices. A method for mitigating voltage stress o... |
|
|
Invention
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Methods and circuit structures for mitigating voltage stresses on printed circuit board (pcb) in ... |
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Invention
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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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[ installing and commissioning services, namely, the installation of instruments and devices to m... |
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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
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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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collection and compilation of information into computer databases in the field of statistically s... |
|
|
Invention
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System and method for testing electrical equipment used in a power system. A system and method ar... |
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2010
|
Invention
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Method and device for improved detection and analysis of partial discharge activity in and around... |
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2008
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P/S
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Computer software namely software for creating command files, software for automated testing and ... |
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Invention
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System and method for modulating a power supply in a relay test system. A system and method are p... |
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2007
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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
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Substation settings management computer software system for use in database management in the fie... |
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2001
|
Invention
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Power transformer transfer function testing. The invention comprises a system (10) and method for... |
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P/S
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Services for the electrical power industry, namely, consulting engineering services in connection... |
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P/S
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Moisture sensor for electrical power transformers sold directly to public utilities |
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2000
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P/S
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Electrical power substation monitor comprised of sensors that measure electrical and physical sig... |
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P/S
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Moisture sensor for electrical power transformers sold directly to public utilities. |
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|
Invention
|
Monitoring leakage currents from high-voltage devices. Monitoring a leakage current from an insul... |
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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
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High voltage, high amperage and high power testing systems and components, ie megohmmeters, equip... |
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P/S
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High voltage, high current and high power test systems and components, namely, megohm meters, tra... |
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P/S
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Computer program for use by owners and operators of high-voltage apparatus for testing and analyz... |
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P/S
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high voltage, high current and high power test systems and components, namely, megohm meters, tra... |
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1997
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P/S
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Computer-based test instrumentation used for commissioning and maintenance of protective relay sy... |
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1996
|
Invention
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Impedance measuring. Impedance of a power system adapted for operation at a predetermined line fr... |
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1995
|
Invention
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Monitoring elements in a multi-phase alternating current network. A group of bushings receives vo... |
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Invention
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Reducing switching losses in a phase-modulated switch-mode amplifier. A switching amplifier circu... |
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1992
|
Invention
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Low phase error amplifying. The invention features an apparatus and technique for amplifying a si... |
|
|
Invention
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Power amplifying apparatus for supplying a.c. signals having a maximum loop gain at a desired fre... |
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1991
|
Invention
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Automatic bridge balancing using controllable impedance in characterizing unknown impedance. Auto... |
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1990
|
Invention
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Amplifying with directly coupled, cascaded amplifiers. A signal is amplified with a plurality of ... |
|
|
Invention
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Motion tranducing through conversion of linear motion to circular motion. A motion transducer inc... |
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1989
|
Invention
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Current shunting. A current shunt device has main and auxiliary windings which are located in sub... |
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1987
|
Invention
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Controlling electrical power. A power controller includes a full-wave bridge rectifier circuit co... |
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1984
|
Invention
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Current tap selecting switch. Six high-current conducting receptacles are seated in a panel suita... |
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1983
|
Invention
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Power converting. Power conversion system includes power amplifiers that receive D.C. potentials ... |
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1981
|
Invention
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Amplifying with cascaded class b amplifiers. An electronic Class B master power amplifier is casc... |
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1976
|
Invention
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Transformer ratio-arm bridge with improved balancing means. A bridge circuit of the transformer r... |
