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David G. Kreiss, San Diego US

David G. Kreiss, San Diego, CA US

Patent application numberDescriptionPublished
20090115427System and Method For Determining The Impedance of a Medium Voltage Power Line - A system and method of detecting changes in the impedance of a segment of medium voltage power line is provided. In one embodiment, the method comprises receiving voltage data comprising data of the voltage of the power lines at locations at a plurality of different points in time, receiving current data that comprises data of the current flowing between adjacent locations at the plurality of points in time, intermittently determining an impedance of the power lines between adjacent locations based on the voltage data and current data, monitoring the impedance of the power lines between adjacent locations over time, and providing a notification of a change in the impedance of a power line between adjacent locations upon detection of a change in the impedance beyond a threshold change.05-07-2009
20090187284System and Method for Providing Power Distribution System Information - A system, method and computer program product for processing utility data of a power grid is provided. In one embodiment, the system includes a datamart comprised of a plurality of physical databases storing utility data, a plurality of applications comprising an automated meter application configured to process power usage data from a plurality of automated meters, a power outage application configured to identify a location of a power outage, and a power restoration application configured to identify a location of a power restoration. The system may include an analysis engine comprising a plurality of analysis objects with each analysis object configured to process data to provide a specific analysis, wherein said analysis engine is accessible via one or more of the plurality of applications, and the system may include a report module configured to receive an output from the analysis engine and to output a report. The plurality of applications may also include a fault analysis application, a transformer analysis application, a theft detection application, a power flow application, a substation automation application, a load shed application and others.07-23-2009
20090187344System, Method, and Computer Program Product for Analyzing Power Grid Data - A system, device and method for analyzing power grid data is provided. In one embodiment, the system includes a data collection module comprising a plurality of database adapters configured to retrieve non-operational utility data, a data storage module in communication with said data collection module and comprising a database for storing the non-operational utility data, and an analysis and reporting module in communication with said data storage module and configured to process the non-operational data and to provide a plurality of reports and a plurality of alarms. The analysis and reporting module may comprise an object library comprising a plurality of objects and wherein each object is configured to perform a specific analysis of utility data, an analysis rules module linking one or more objects of the object library and defining an analysis to be performed, an analysis engine configured to execute the analysis rules module, and a report generator configured to produce a report based on an output of the analysis rule module.07-23-2009
20090187579System, Method and Product for Processing Utility Data - A system, method and computer program product for providing data from a plurality of physically separate databases storing utility data to a plurality of software applications is provided. In one embodiment, the computer system comprises a first set of adaptors for accessing a plurality of measurement databases that store measurement data supplied via a plurality of nodes and derived from measurements of a plurality of parameters of a power grid, a second set of adaptors configured to access one or more databases that store property data comprising data of the plurality of network nodes, a third set of adaptors configured to access one or more connectivity databases that store connectivity data comprising the connectivity of the plurality of nodes, a node map stored in a memory that includes data sufficient for associating each of the plurality of nodes with at least one of the plurality of separate databases, and a data interface responsive to requests from the plurality of software applications and configured to identify one or more of the adaptors to which to provide data requests based on the node map.07-23-2009
20090265042System and Method for Providing Voltage Regulation in a Power Distribution System - A system and method of regulating the voltage of the power supplied to a plurality of power customers via a power distribution system that includes low voltage power lines and medium voltage power lines is provided. In one embodiment, the method includes measuring the voltage of a plurality of low voltage power lines at a plurality locations in the power distribution system with a plurality of voltage monitoring devices; with the plurality of voltage monitoring devices, transmitting voltage data in real time to a remote computer system; receiving, with the computer system, the real time voltage data of the voltage measured from the voltage monitoring devices; comparing, with the computer system, the real time voltage data with a first threshold value; and if the real time voltage data is beyond the first threshold value, transmitting with the computer system a first voltage adjustment instruction to a voltage control device configured to adjust the voltage supplied to a low voltage power line.10-22-2009
20100007354System and Method for Predicting a Fault in a Power Line - A system and method for detecting an arc of a medium voltage power line, such as an underground power line cable, is provided. In one embodiment the method comprises receiving voltage measurement data of the alternating voltage of the medium voltage power line, receiving current measurement data of the current of the medium voltage power line, detecting a current surge based on received current measurement data and upon detecting the current surge, processing the received voltage measurement data to determine whether the current surge initiated during a peak of the alternating voltage. In addition, the method may comprise transmitting a notification of the concurrent current surge. The transmission may be over the medium voltage power line, wirelessly, via fiber, via coaxial cable, or other suitable method. The current surge detection process may also comprise determining that the current surge lasts for less than a predetermined duration.01-14-2010
20110270454System and Method for Providing Power Distribution System Information - A system, method and computer program product for processing utility data of a power grid is provided. In one embodiment, the system includes a datamart comprised of a plurality of physical databases storing utility data, a plurality of applications comprising an automated meter application configured to process power usage data from a plurality of automated meters, a power outage application configured to identify a location of a power outage, and a power restoration application configured to identify a location of a power restoration. The system may include an analysis engine comprising a plurality of analysis objects with each analysis object configured to process data to provide a specific analysis, wherein said analysis engine is accessible via one or more of the plurality of applications, and the system may include a report module configured to receive an output from the analysis engine and to output a report. The plurality of applications may also include a fault analysis application, a transformer analysis application, a theft detection application, a power flow application, a substation automation application, a load shed application and others.11-03-2011
20110270457System and Method for Providing Power Distribution System Information - A system, method and computer program product for processing utility data of a power grid is provided. In one embodiment, the system includes a datamart comprised of a plurality of physical databases storing utility data, a plurality of applications comprising an automated meter application configured to process power usage data from a plurality of automated meters, a power outage application configured to identify a location of a power outage, and a power restoration application configured to identify a location of a power restoration. The system may include an analysis engine comprising a plurality of analysis objects with each analysis object configured to process data to provide a specific analysis, wherein said analysis engine is accessible via one or more of the plurality of applications, and the system may include a report module configured to receive an output from the analysis engine and to output a report. The plurality of applications may also include a fault analysis application, a transformer analysis application, a theft detection application, a power flow application, a substation automation application, a load shed application and others.11-03-2011
20110270550System and Method for Providing Power Distribution System Information - A system, method and computer program product for processing utility data of a power grid is provided. In one embodiment, the system includes a datamart comprised of a plurality of physical databases storing utility data, a plurality of applications comprising an automated meter application configured to process power usage data from a plurality of automated meters, a power outage application configured to identify a location of a power outage, and a power restoration application configured to identify a location of a power restoration. The system may include an analysis engine comprising a plurality of analysis objects with each analysis object configured to process data to provide a specific analysis, wherein said analysis engine is accessible via one or more of the plurality of applications, and the system may include a report module configured to receive an output from the analysis engine and to output a report. The plurality of applications may also include a fault analysis application, a transformer analysis application, a theft detection application, a power flow application, a substation automation application, a load shed application and others.11-03-2011

Patent applications by David G. Kreiss, San Diego, CA US