Patent application number | Description | Published |
20080281540 | APPARATUS AND METHOD FOR ESTIMATING SYNCHRONIZED PHASORS AT PREDETERMINED TIMES REFERENCED TO A COMMON TIME STANDARD IN AN ELECTRICAL SYSTEM - An apparatus and method estimates a plurality of synchronized phasors at predetermined times referenced to an absolute time standard in an electrical power system. The method includes acquiring and determining a frequency of a power system signal, sampling the power system signal at a sampling interval rate based on a frequency of the power system signal to form signal samples, and generating a plurality of acquisition time values based on an occurrence of each of the signal samples at a corresponding plurality of different times referenced to the absolute time standard. The method further includes adjusting a phasor of each of the signal samples based on a time difference between a corresponding selected acquisition time value and a predetermined time referenced to an absolute time standard to form the plurality of synchronized phasors. | 11-13-2008 |
20110035065 | ELECTRIC POWER SYSTEM AUTOMATION USING TIME COORDINATED INSTRUCTIONS - A system for controlling and automating an electric power delivery system by executing time coordinated instruction sets to achieve a desired result. A communication master may implement the execution of time coordinated instruction sets in a variety of circumstances. The communication may be embodied as an automation controller in communication with intelligent electronic devices (IEDs). The communication master may also be embodied as an IED that is configured to coordinate the actions of other IEDs. The time coordinated instruction sets may include steps for checking status of power system equipment before executing. The time coordinated instruction sets may include reactionary steps to execute if one of the steps fails. The time coordinated instruction sets may also be implemented based on a condition detected in the electric power delivery system, or may be implemented through high level systems, such as a SCADA system or a wide area control and situational awareness system. | 02-10-2011 |
20110035066 | ELECTRIC POWER SYSTEM AUTOMATION USING TIME COORDINATED INSTRUCTIONS - A system for controlling and automating an electric power delivery system by executing time coordinated instruction sets to achieve a desired result. A communication master may implement the execution of time coordinated instruction sets in a variety of circumstances. The communication may be embodied as an automation controller in communication with intelligent electronic devices (IEDs). The communication master may also be embodied as an IED that is configured to coordinate the actions of other IEDs. The time coordinated instruction sets may include steps for checking status of power system equipment before executing. The time coordinated instruction sets may include reactionary steps to execute if one of the steps fails. The time coordinated instruction sets may also be implemented based on a condition detected in the electric power delivery system, or may be implemented through high level systems, such as a SCADA system or a wide area control and situational awareness system. | 02-10-2011 |
20110035076 | ELECTRIC POWER SYSTEM AUTOMATION USING TIME COORDINATED INSTRUCTIONS - A system for controlling and automating an electric power delivery system by executing time coordinated instruction sets to achieve a desired result. A communication master may implement the execution of time coordinated instruction sets in a variety of circumstances. The communication may be embodied as an automation controller in communication with intelligent electronic devices (IEDs). The communication master may also be embodied as an IED that is configured to coordinate the actions of other IEDs. The time coordinated instruction sets may include steps for checking status of power system equipment before executing. The time coordinated instruction sets may include reactionary steps to execute if one of the steps fails. The time coordinated instruction sets may also be implemented based on a condition detected in the electric power delivery system, or may be implemented through high level systems, such as a SCADA system or a wide area control and situational awareness system. | 02-10-2011 |
20110077885 | APPARATUS AND METHOD FOR ESTIMATING SYNCHRONIZED PHASORS AT PREDETERMINED TIMES REFERENCED TO A COMMON TIME STANDARD IN AN ELECTRICAL SYSTEM - An apparatus and method estimates a plurality of synchronized phasors at predetermined times referenced to a common time standard in an electrical power system. The method includes acquiring and determining a frequency of a power system signal, sampling the power system signal at a sampling interval rate based on a frequency of the power system signal to form signal samples, and generating a plurality of acquisition time values based on an occurrence of each of the signal samples at a corresponding plurality of different times referenced to the common time standard. The method further includes adjusting a phasor of each of the signal samples based on a time difference between a corresponding selected acquisition time value and a predetermined time referenced to a common time standard to form the plurality of synchronized phasors. | 03-31-2011 |
20120323397 | Electric Power System Automation Using Time Coordinated Instructions - A system for controlling and automating an electric power delivery system by executing time coordinated instruction sets to achieve a desired result. A communication master may implement the execution of time coordinated instruction sets in a variety of circumstances. The communication may be embodied as an automation controller in communication with intelligent electronic devices (IEDs). The communication master may also be embodied as an IED that is configured to coordinate the actions of other IEDs. The time coordinated instruction sets may include steps for checking status of power system equipment before executing. The time coordinated instruction sets may include reactionary steps to execute if one of the steps fails. The time coordinated instruction sets may also be implemented based on a condition detected in the electric power delivery system, or may be implemented through high level systems, such as a SCADA system or a wide area control and situational awareness system. | 12-20-2012 |
20130346419 | Electric Power System Waveform Search - The present disclosure relates to searching electric power system waveforms. Disclosed herein are various systems and methods for improving search performance through indexing electric power system waveforms using waveform attributes such as frequency, amplitude, angle, rate of change, and the like. According to some embodiments, multiple indexes may be used together to find information of interest. A reference signal may be utilized according to some embodiments. Normalizing a plurality of waveforms using a reference signal may facilitate the use of an index for comparing two arbitrary waveforms. This disclosure also relates to detecting and indexing islanding conditions in an electric power system. Various embodiments may utilize information relating to islanding conditions in connection with search operations. | 12-26-2013 |
20140100702 | DISTRIBUTED COORDINATED WIDE-AREA CONTROL FOR ELECTRIC POWER DELIVERY SYSTEMS - Distributed controllers in an electric power delivery system obtain measurements and equipment status, calculate derived values, and determine IED state, and share such with other distributed controllers and coordination controllers. Distributed controllers and coordination controllers further refine measurements, equipment status, derived values, and IED state. Control of the electric power delivery system is coordinated among the distributed controllers and the coordination controllers. | 04-10-2014 |
20140111377 | Manipulation Resilient Time Distribution Network - Disclosed herein is a system for detecting manipulation of a global time source such as a Global Navigational Satellite System (GNSS) signal and mitigating against such manipulation. A plurality of receivers with geographical diversity receive GNSS signals, and calculate a time signal to be distributed to consuming devices. The receivers also communicate calculated time signals with other receivers. The receivers compare the time signals, and when a difference between the time signals exceeds a predetermined threshold, the receivers indicate that manipulation is likely. Such indication is shared across the network of receivers. The indication is further shared with consuming devices of the time signal from the compromised receiver. A second time signal that is not compromised may be shared with the consuming devices and/or used by the consuming devices. The consuming devices may modify their behavior when in receipt of the indication. | 04-24-2014 |
20140244058 | State Trajectory Prediction in an Electric Power Delivery System - Disclosed is state trajectory prediction in an electric power delivery system. Electric power delivery system information is calculated from measurements by intelligent electronic devices (IEDs), and communicated to a state trajectory prediction system. The state trajectory prediction system may be configured to generate a load prediction profile. The load prediction profile may provide a predicted response of a load at a future time. Further, the state trajectory prediction system may be configured to generate a generator prediction profile that provides a predicted response of a generator at a future time. The state trajectory prediction system may generate a state trajectory prediction based, at least in part, on the load prediction profile and the generator prediction profile. The state trajectory prediction may represent a future state of the electric power delivery system. | 08-28-2014 |
20150089027 | SELECTION AND DISPLAY OF POLLED AND STREAMED ELECTRIC POWER SYSTEM MEASUREMENTS - Combining and analyzing streamed and polled electric power delivery system information is disclosed herein. A system therefore includes a plurality of IEDs in communication with the electric power distribution system and configured to provide streaming and/or polled data via a communications network. An analysis engine in communication with the communications network receives selected streaming information and requested polled information, analyzes such streamed and polled information, and provides a display of such streaming and polled information to a user. | 03-26-2015 |
Patent application number | Description | Published |
20150160342 | USING TWO-DIMENSIONAL CAMERA IMAGES TO SPEED REGISTRATION OF THREE-DIMENSIONAL SCANS - A method for measuring and registering 3D coordinates has a 3D scanner measure a first collection of 3D coordinates of points from a first registration position and a second collection of 3D coordinates of points from a second registration position. In between these positions, the 3D scanner collects 2D camera images. A processor determines first and second translation values and a first rotation value based on the 2D camera images. The processor adjusts the second collection of points relative to the first collection of points based at least in part on the first and second translation values and the first rotation value. The processor identifies a correspondence among registration targets in the first and second collection of 3D coordinates, and uses this correspondence to further adjust the relative position and orientation of the first and second collection of 3D coordinates. | 06-11-2015 |
20150160343 | USING DEPTH-CAMERA IMAGES TO SPEED REGISTRATION OF THREE-DIMENSIONAL SCANS - A method for measuring and registering 3D coordinates has a 3D scanner measure a first collection of 3D coordinates of points from a first registration position and a second collection of 3D coordinates of points from a second registration position. In between these positions, the 3D measuring device collects depth-camera images. A processor determines first and second translation values and a first rotation value based on the depth-camera images. The processor identifies a correspondence among registration targets in the first and second collection of 3D coordinates based at least in part on the first and second translation values and the first rotation value. The processor uses this correspondence and the first and second collection of 3D coordinates to determine 3D coordinates of a registered 3D collection of points. | 06-11-2015 |
20150160347 | USING A TWO-DIMENSIONAL SCANNER TO SPEED REGISTRATION OF THREE-DIMENSIONAL SCAN DATA - A method for measuring and registering 3D coordinates has a 3D scanner measure a first collection of 3D coordinates of points from a first registration position. A 2D scanner collects horizontal 2D scan sets as 3D measuring device moves from first to second registration positions. A processor determines first and second translation values and a first rotation value based on collected 2D scan sets. 3D scanner measures a second collection of 3D coordinates of points from second registration position. Processor adjusts second collection of points relative to first collection of points based at least in part on first and second translation values and first rotation value. Processor identifies a correspondence among registration targets in first and second collection of 3D coordinates, and uses this correspondence to further adjust the relative position and orientation of first and second collection of 3D coordinates. | 06-11-2015 |
20150160348 | INTERMEDIATE TWO-DIMENSIONAL SCANNING WITH A THREE-DIMENSIONAL SCANNER TO SPEED REGISTRATION - A method for measuring and registering 3D coordinates has a 3D scanner measure a first collection of 3D coordinates of points from a first registration position. The 3D scanner collects 2D scan sets as 3D measuring device moves from first to second registration positions. A processor determines first and second translation values and a first rotation value based on collected 2D scan sets. 3D scanner measures a second collection of 3D coordinates of points from second registration position. Processor adjusts the second collection of points relative to first collection of points based at least in part on first and second translation values and first rotation value. Processor identifies a correspondence among registration targets in first and second collection of 3D coordinates, and uses this correspondence to further adjust the relative position and orientation of first and second collection of 3D coordinates. | 06-11-2015 |
Patent application number | Description | Published |
20090072181 | HYDRAULIC BLOCK - The invention relates to a hydraulic block ( | 03-19-2009 |
20090318012 | ELECTRICAL APPARATUS WITH A CONTACTING DEVICE - An electrical apparatus, in particular a sensor or a control unit, includes at least one component that has at least one contacting device such as a pin or a wire, where the contacting device engages a clamping section of a housing part to produce an electrical connection and has a longitudinal axis, the clamping section being formed as part of a sliding device that is situated in the housing part and is movable transversely to the longitudinal axis of the contacting device. | 12-24-2009 |
20100279556 | ELECTRICAL CONTACT - The invention relate to an electric contact ( | 11-04-2010 |
20120080849 | Seal for Vertical Feed-Through of a Transmission Plug - A seal for a perpendicular plug feed-through is disclosed for electrically contacting a control device which is arranged within a housing. The seal includes a sealing piece which has at least one sealing lip and which is surrounded by a guiding piece. The sealing piece has at least one sealing lip, which is designed in a circumferential manner or in alternating segmentation and which has a slope declining in the radial direction towards the outside. | 04-05-2012 |
20140170911 | Electrical plug connection having a plug and a socket - An electrical plug connection having a plug and a socket, the socket having two contact zones located opposite to one another, which are each implemented on one spring arm, the spring arms allowing an insertion gap present between the contact zones to be elastically widened transversely to a plug axis during the insertion of the plug. The plug axis of the plug has an angle not equal to zero in relation to a longitudinal axis of the spring arms. | 06-19-2014 |
20140318296 | Gearbox Control Module - A gearbox control module for a gearbox comprises an electronic component with an electronic circuit configured to control the gearbox, electrical connections and a module carrier. The electronics component and the electrical connections are mounted on the module carrier, and the module carrier is a cover configured to sealingly close off an interior of the gearbox. | 10-30-2014 |