Patent | Date |
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Transformer system Grant 11,087,913 - Premerlani , et al. August 10, 2 | 2021-08-10 |
Systems and methods for operatively coupling a micro-grid to a bulk grid Grant 10,797,488 - Veda , et al. October 6, 2 | 2020-10-06 |
System and method for distribution load forecasting in a power grid Grant 10,700,523 - Pan , et al. | 2020-06-30 |
Systems and methods for swing angle estimation in an electrical power system Grant 10,436,823 - Pan , et al. O | 2019-10-08 |
Methods and system for detecting false data injection attacks Grant 10,372,569 - Premerlani , et al. | 2019-08-06 |
System And Method For Distribution Load Forecasting In A Power Grid App 20190067946 - Pan; Yan ;   et al. | 2019-02-28 |
DC leakage current detector and method of operation thereof for leakage current detection in DC power circuits Grant 10,203,363 - Premerlani , et al. Feb | 2019-02-12 |
System and method for leakage current and fault location detection in electric vehicle DC power circuits Grant 10,168,372 - Premerlani , et al. J | 2019-01-01 |
Transformer System App 20180330862 - Premerlani; William James ;   et al. | 2018-11-15 |
Systems and methods for swing angle estimation in an electrical power system Grant 10,024,920 - Pan , et al. July 17, 2 | 2018-07-17 |
System And Method For Leakage Current And Fault Location Detection In Electric Vehicle Dc Power Circuits App 20180164361 - Premerlani; William James ;   et al. | 2018-06-14 |
Dc Leakage Current Detector And Method Of Operation Thereof For Leakage Current Detection In Dc Power Circuits App 20180164362 - Premerlani; William James ;   et al. | 2018-06-14 |
Solar power conversion system and method Grant 9,997,921 - Premerlani , et al. June 12, 2 | 2018-06-12 |
Systems And Methods For Operatively Coupling A Micro-grid To A Bulk Grid App 20180062394 - Veda; Santosh Sambamoorthy ;   et al. | 2018-03-01 |
Methods And System For Detecting False Data Injection Attacks App 20180024900 - Premerlani; William James ;   et al. | 2018-01-25 |
Solar power conversion system and method Grant 9,847,647 - Premerlani , et al. December 19, 2 | 2017-12-19 |
System and method for modelling load in an electrical power network Grant 9,829,880 - Baone , et al. November 28, 2 | 2017-11-28 |
System and method for electrical short detection Grant 9,810,730 - Premerlani , et al. November 7, 2 | 2017-11-07 |
Hybrid direct-current circuit breaker Grant 9,654,102 - Wang , et al. May 16, 2 | 2017-05-16 |
Solar Power Conversion System And Method App 20170104334 - Premerlani; William James ;   et al. | 2017-04-13 |
Solar Power Conversion System And Method App 20170104333 - Premerlani; William James ;   et al. | 2017-04-13 |
System And Method For Modelling Load In An Electrical Power Network App 20160147215 - Baone; Chaitanya Ashok ;   et al. | 2016-05-26 |
System And Method For Electrical Short Detection App 20160116519 - Premerlani; William James ;   et al. | 2016-04-28 |
Hybrid Direct-current Circuit Breaker App 20160105018 - Wang; Ruxi ;   et al. | 2016-04-14 |
System with circuitry for suppressing arc formation in micro-electromechanical system based switch Grant 9,076,607 - Premerlani , et al. July 7, 2 | 2015-07-07 |
Current differential protection Grant 8,963,558 - Pan , et al. February 24, 2 | 2015-02-24 |
Systems And Methods For Swing Angle Estimation In An Electrical Power System App 20150051852 - Pan; Yan ;   et al. | 2015-02-19 |
Systems And Methods For Swing Angle Estimation In An Electrical Power System App 20150051850 - Pan; Yan ;   et al. | 2015-02-19 |
Method and system for current differential protection Grant 8,942,108 - Pan , et al. January 27, 2 | 2015-01-27 |
Method And System For Current Differential Protection App 20140169157 - Pan; Yan ;   et al. | 2014-06-19 |
Current Differential Protection App 20140118000 - Pan; Yan ;   et al. | 2014-05-01 |
Micro-electromechanical switch protection in series parallel topology Grant 8,687,325 - Premerlani , et al. April 1, 2 | 2014-04-01 |
Method and system to enhance reliability of switch array Grant 8,427,792 - Premerlani , et al. April 23, 2 | 2013-04-23 |
Micro-electromechanical system based switching Grant 8,358,488 - Premerlani , et al. January 22, 2 | 2013-01-22 |
Circuit protection system Grant 8,213,144 - Papallo , et al. July 3, 2 | 2012-07-03 |
Micro-electromechanical system based switching Grant 8,144,445 - Caggiano , et al. March 27, 2 | 2012-03-27 |
Robust on line stator turn fault identification system Grant 8,135,551 - Tiwari , et al. March 13, 2 | 2012-03-13 |
Switching Array And Methods Of Manufacturing And Operation App 20110316608 - Keimel; Christopher Fred ;   et al. | 2011-12-29 |
Resettable MEMS micro-switch array based on current limiting apparatus Grant 8,072,723 - Premerlani , et al. December 6, 2 | 2011-12-06 |
Switch structure and associated circuit Grant 8,054,589 - Gowda , et al. November 8, 2 | 2011-11-08 |
Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition Grant 8,050,000 - Wright , et al. November 1, 2 | 2011-11-01 |
Ground fault protection circuit for multi-source electrical distribution system Grant 7,995,315 - Riley , et al. August 9, 2 | 2011-08-09 |
Switch Structure And Associated Circuit App 20110140546 - Gowda; Arun Virupaksha ;   et al. | 2011-06-16 |
Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution Grant 7,944,660 - Kumfer , et al. May 17, 2 | 2011-05-17 |
Micro-electromechanical System Based Arc-less Switching With Circuitry For Absorbing Electrical Energy During A Fault Condition App 20110096444 - Wright; Joshua Isaac ;   et al. | 2011-04-28 |
MEMS micro-switch array based on current limiting enabled circuit interrupting apparatus Grant 7,903,382 - Premerlani , et al. March 8, 2 | 2011-03-08 |
Remote-operable micro-electromechanical system based over-current protection apparatus Grant 7,885,043 - Kumfer , et al. February 8, 2 | 2011-02-08 |
Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition Grant 7,876,538 - Wright , et al. January 25, 2 | 2011-01-25 |
Method And System To Enhance Reliability Of Switch Array App 20100302691 - Premerlani; William James ;   et al. | 2010-12-02 |
Programmable logic controller having micro-electromechanical system based switching Grant 7,839,611 - Rivers, Jr. , et al. November 23, 2 | 2010-11-23 |
Robust On Line Stator Turn Fault Identification System App 20100194323 - Premerlani; William James ;   et al. | 2010-08-05 |
Integrated protection, monitoring, and control system Grant 7,747,356 - Andarawis , et al. June 29, 2 | 2010-06-29 |
MEMS switch with improved standoff voltage control Grant 7,692,519 - Premerlani , et al. April 6, 2 | 2010-04-06 |
Micro-electromechanical Switch Protection In Series Parallel Topology App 20100061024 - Premerlani; William James ;   et al. | 2010-03-11 |
Micro-electromechanical system (MEMS) switch arrays Grant 7,663,456 - Subramanian , et al. February 16, 2 | 2010-02-16 |
Ground Fault Protection Circuit For Multi-source Electrical Distribution System App 20100008000 - Riley; Donville Andre ;   et al. | 2010-01-14 |
Electromechanical switching circuitry in parallel with solid state switching circuitry selectively switchable to carry a load appropriate to such circuitry Grant 7,643,256 - Wright , et al. January 5, 2 | 2010-01-05 |
Micro-electromechanical system based soft switching Grant 7,633,725 - Premerlani , et al. December 15, 2 | 2009-12-15 |
Micro-electromechanical system based switching in heating-ventilation-air-conditioning systems Grant 7,612,971 - Premerlani , et al. November 3, 2 | 2009-11-03 |
MEMS based motor starter with motor failure detection Grant 7,589,942 - Kumfer , et al. September 15, 2 | 2009-09-15 |
Self-adjusting voltage filtering technique compensating for dynamic errors of capacitive voltage transformers Grant 7,567,881 - Kasztenny , et al. July 28, 2 | 2009-07-28 |
Micro-electromechanical system based switching Grant 7,554,222 - Kumfer , et al. June 30, 2 | 2009-06-30 |
Mems Switch With Improved Standoff Voltage Control App 20090160584 - Premerlani; William James ;   et al. | 2009-06-25 |
Micro-electromechanical system based electric motor starter Grant 7,542,250 - Premerlani , et al. June 2, 2 | 2009-06-02 |
Programmable Logic Controller Having Micro-electromechanical System Based Switching App 20090125124 - Premerlani; William James ;   et al. | 2009-05-14 |
Micro-electromechanical System Based Switching App 20090115255 - Kumfer; Brent Charles ;   et al. | 2009-05-07 |
System and method for providing reactive power support with distributed energy resource inverter Grant 7,508,173 - Zhou , et al. March 24, 2 | 2009-03-24 |
Gating voltage control system and method for electrostatically actuating a micro-electromechanical device Grant 7,473,859 - Wright , et al. January 6, 2 | 2009-01-06 |
Mems Micro-switch Array Based On Current Limiting Enabled Circuit Interrupting Apparatus App 20080315980 - Premerlani; William James ;   et al. | 2008-12-25 |
Resettable Mems Micro-switch Array Based On Current Limiting Apparatus App 20080316664 - Premerlani; William James ;   et al. | 2008-12-25 |
Remote-operable Micro-electromechanical System Based Over-current Protection Apparatus App 20080310056 - Kumfer; Brent Charles ;   et al. | 2008-12-18 |
Micro-electromechanical System Based Selectively Coordinated Protection Systems And Methods For Electrical Distribution App 20080310062 - Kumfer; Brent Charles ;   et al. | 2008-12-18 |
Mems Micro-switch Array Based Current Limiting Arc-flash Eliminator App 20080310058 - Premerlani; William James ;   et al. | 2008-12-18 |
Mems Based Motor Starter With Motor Failure Detection App 20080310057 - Kumfer; Brent Charles ;   et al. | 2008-12-18 |
Micro-electromechanical System Based Switching App 20080309438 - Caggiano; Robert Joseph ;   et al. | 2008-12-18 |
Micro-electromechanical System Based Switching In Heating-ventilation-air-conditioning Systems App 20080308254 - Premerlani; William James ;   et al. | 2008-12-18 |
Micro-electromechanical System Based Switching App 20080308394 - Premerlani; William James ;   et al. | 2008-12-18 |
System and method for synchronized phasor measurement Grant 7,444,248 - Premerlani , et al. October 28, 2 | 2008-10-28 |
Gating Voltage Control System And Method For Electrostatically Actuating A Micro-Electromechanical Device App 20080169707 - Wright; Joshua Isaac ;   et al. | 2008-07-17 |
System With Circuitry For Suppressing Arc Formation In Micro-electromechanical System Based Switch App 20080164961 - Premerlani; William James ;   et al. | 2008-07-10 |
Micro-Electromechanical System Based Electric Motor Starter App 20080165457 - Premerlani; William James ;   et al. | 2008-07-10 |
Electromechanical Switching Circuitry In Parallel With Solid State Switching Circuitry Selectively Switchable To Carry A Load Current Appropriate To Such Circuitry App 20080137238 - Wright; Joshua Isaac ;   et al. | 2008-06-12 |
Micro-electromechanical system based switching module serially stackable with other such modules to meet a voltage rating Grant 7,332,835 - Wright , et al. February 19, 2 | 2008-02-19 |
Fault current limiter Grant 7,330,096 - Shah , et al. February 12, 2 | 2008-02-12 |
Circuit Protection System App 20070242402 - Papallo; Thomas F. ;   et al. | 2007-10-18 |
Circuit protection system Grant 7,254,001 - Papallo , et al. August 7, 2 | 2007-08-07 |
Micro-Electromechanical System Based Arc-Less Switching With Circuitry For Absorbing Electrical Energy During A Fault Condition App 20070139831 - Wright; Joshua Isaac ;   et al. | 2007-06-21 |
Micro-electromechanical system based arc-less switching App 20070139829 - Arthur; Stephen Daley ;   et al. | 2007-06-21 |
Micro-electromechanical system (MEMS) switch arrays App 20070139145 - Subramanian; Kanakasabapathi ;   et al. | 2007-06-21 |
Micro-electromechanical system based soft switching App 20070139830 - Premerlani; William James ;   et al. | 2007-06-21 |
System and method for providing reactive power support with distributed energy resource inverter App 20070135970 - Zhou; Rui ;   et al. | 2007-06-14 |
Integrated protection, monitoring, and control system App 20070135971 - Andarawis; Emad Andarawis ;   et al. | 2007-06-14 |
System and method of locating ground fault in electrical power distribution system Grant 7,180,300 - Premerlani , et al. February 20, 2 | 2007-02-20 |
Integrated protection, monitoring, and control system Grant 7,151,329 - Andarawis , et al. December 19, 2 | 2006-12-19 |
System and method for synchronized phasor measurement App 20060247874 - Premerlani; William James ;   et al. | 2006-11-02 |
Method and apparatus for ground fault protection Grant 7,117,105 - Premerlani , et al. October 3, 2 | 2006-10-03 |
Method and system for external clock to obtain multiple synchronized redundant computers Grant 7,111,195 - Berkcan , et al. September 19, 2 | 2006-09-19 |
Method for communicating information bundled in digital message packets Grant 7,068,612 - Berkcan , et al. June 27, 2 | 2006-06-27 |
System and method of locating ground fault in electrical power distribution system App 20060125486 - Premerlani; William James ;   et al. | 2006-06-15 |
Protection system for power distribution systems Grant 7,043,340 - Papallo , et al. May 9, 2 | 2006-05-09 |
Method and apparatus for anti-islanding protection of distributed generations Grant 7,016,793 - Ye , et al. March 21, 2 | 2006-03-21 |
Energy calculation methods in power distribution systems Grant 7,012,421 - Lavoie , et al. March 14, 2 | 2006-03-14 |
Method And Apparatus For Anti-islanding Protection Of Distributed Generations App 20060004531 - Ye; Zhihong ;   et al. | 2006-01-05 |
Method and system for conditionally triggered system data capture Grant 6,892,145 - Topka , et al. May 10, 2 | 2005-05-10 |
Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment Grant 6,892,115 - Berkcan , et al. May 10, 2 | 2005-05-10 |
Fault current limiter App 20050088790 - Shah, Manoj Ramprasad ;   et al. | 2005-04-28 |
Fault current limiter Grant 6,873,236 - Shah , et al. March 29, 2 | 2005-03-29 |
Energy calculation methods in power distribution systems App 20040133370 - Lavoie, Gregory P. ;   et al. | 2004-07-08 |
Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment App 20040024475 - Berkcan, Ertugrul ;   et al. | 2004-02-05 |
Protection system for power distribution systems App 20040019410 - Papallo, Thomas F. ;   et al. | 2004-01-29 |
Circuit protection system App 20030231440 - Papallo, Thomas F. ;   et al. | 2003-12-18 |
Method and system for conditionally triggered system data capture App 20030225482 - Topka, Terry Michael ;   et al. | 2003-12-04 |
Method and apparatus for optimizing redundant critical control systems App 20030225481 - Sealing, Charles Scott ;   et al. | 2003-12-04 |
Method for communicating information bundled in digital message packets App 20030214907 - Berkcan, Ertugrul ;   et al. | 2003-11-20 |
Method and apparatus for ground fault protection App 20030216876 - Premerlani, William James ;   et al. | 2003-11-20 |
Method and system for external clock to obtain multiple synchronized redundant computers App 20030212835 - Berkcan, Ertugrul ;   et al. | 2003-11-13 |
Integrated protection, monitoring, and control system App 20030205938 - Andarawis, Emad Andarawis ;   et al. | 2003-11-06 |
Method and apparatus for circuit breaker node software architecture App 20030187520 - Pearlman, Marc Robert ;   et al. | 2003-10-02 |
Method and system for real-time prediction of zero crossings of fault currents Grant 6,597,999 - Sinha , et al. July 22, 2 | 2003-07-22 |
Method and system for consolidating phase current samples Grant 6,571,182 - Adamiak , et al. May 27, 2 | 2003-05-27 |
Fault current limiter App 20030076212 - Shah, Manoj Ramprasad ;   et al. | 2003-04-24 |
Digital current differential system Grant 6,456,947 - Adamiak , et al. September 24, 2 | 2002-09-24 |
System and method for sensorless rotor tracking of induction machines Grant 6,388,420 - Jansen , et al. May 14, 2 | 2002-05-14 |
Digital current differential system Grant 6,311,307 - Adamiak , et al. October 30, 2 | 2001-10-30 |
System and apparatus for predicting failure in insulated systems Grant 6,300,767 - Kliman , et al. October 9, 2 | 2001-10-09 |
Method and system for consolidating phase current samples App 20010012984 - Adamiak, Mark Gerard ;   et al. | 2001-08-09 |
Method and apparatus for transmission line phase angle comparisons Grant 6,148,267 - Premerlani November 14, 2 | 2000-11-14 |
Method and apparatus for compensation of phasor estimations Grant 6,141,196 - Premerlani , et al. October 31, 2 | 2000-10-31 |
Method and apparatus for clock control and synchronization Grant 5,958,060 - Premerlani September 28, 1 | 1999-09-28 |
Digital current differential system Grant 5,809,045 - Adamiak , et al. September 15, 1 | 1998-09-15 |
Methods and apparatus for removing error due to decaying offsets from measured power system currents Grant 5,798,932 - Premerlani , et al. August 25, 1 | 1998-08-25 |
Self-tuning and compensating turn fault detector Grant 5,786,708 - Premerlani , et al. July 28, 1 | 1998-07-28 |
Sensorless rotor velocity estimation for induction motors Grant 5,729,113 - Jansen , et al. March 17, 1 | 1998-03-17 |