Patent application number | Description | Published |
20090250512 | AUTOMATIC DEVICE REGISTRATION SYSTEM WITH BARCODE IDENTIFICATION AND MAINTENANCE INFORMATION GENERATION - A system for transmitting product information of a product is described. The system contains a product with an electronic controller for acquiring and/or storing product information, wherein the product information comprises standard information about the product and current product information, a barcode generating component for generating a barcode for representing the product information, wherein the barcode generating means is connected to the product for data transfer or is integrated into the product, and a barcode updating device for updating the barcode on the basis of the standard information about the product and current product information. There is furthermore an acquisition module for the information acquisition of the product information from the barcode by means of an image recording device. | 10-08-2009 |
20100296221 | PROTECTIVE RELAY AND HUMAN-MACHINE INTERFACE THEREFOR - A fully operational digital protective relay or Intelligent Electronic Device (IED) are provided for protecting electrical equipment of a power distribution system. The relay includes an input module, a processing module and an output module. Signals received from current transformers connected to the input module are evaluated by the processing module, and in reaction thereto, trip signals can be output to an actuator of a circuit breaker via the output module. A base Human Machine Interface (HMI) enables a user to enter operating parameters such as a delay time or nominal current to the processing module. Optionally, a further HMI may be attached to the protective relay and connected, via a suitable interface for data exchange, to the processing module for the purpose of displaying protection-related information to a user. This further HMI is both optional and detachable. For example, the further HMI can be repeatedly attached to and detached from the protection device. The detachable HMI provides for an increased flexibility in the use of the protective relay, as a user may adapt its interfacing capability by acquiring a detachable HMI of the type and at the time that best suits his evolving needs. | 11-25-2010 |
20110025515 | STANDALONE SELF-SUPPLIED NUMERIC CONTROLLED RELAY - The disclosure relates to a process of configuring a standalone self-supplied numeric controlled relay for providing phase and earth over current protection to electrical systems by accurate current measurement. The arrangement for current measurement with control algorithms is provided for power control by providing amplified and conditioned current for optimization between the current to power an electronic circuit and the fidelity of a measured current waveform so that they both are at the acceptable levels at the same time. This disclosure describes the current sensing and associated algorithm for power control in a truly self-powered relay. | 02-03-2011 |
20110157837 | Flexible Intelligent Electronic Device - An intelligent electronic device for a Substation Automation or Distribution Automation system as well as to a method and computer program product for providing it. The device has a structuring of its own functionality according to a communication standard and includes mechanically separable, replaceable hardware modules interconnected via an inter-module bus). The modules implement functionality related to function related elements of the standard and include a communication module and I/O modules. The device includes elements of the communication standard comprising one device related element and replaceable function related elements of all the functions provided by the modules. The communication module includes the device related element and function elements associated with the function of the communication module as well as functions provided by all the I/O modules. | 06-30-2011 |
20110316559 | METHOD FOR TESTING A POWER DISTRIBUTION SYSTEM AND A POWER DISTRIBUTION SYSTEM ANALYZER DEVICE - A method and analyzer device are provided for testing a power distribution system of a power supply network. A first electrical signal is transmitted into the power distribution system to be tested, the first electrical signal is propagated along the power distribution system to be tested, and a second electrical signal, which is a portion of the first electrical signal reflected within the power distribution system, is received. A signal variation parameter is measured between the first electrical signal and the second electrical signal, and a location of a critical conducting section within the power supply network is obtained from the measured signal variation parameter. A maximum load rating of the critical conducting section is determined, and a control signal for controlling the power supply network such that the power transferred on the critical conducting section does not exceed the maximum load rating. | 12-29-2011 |
20120089262 | INTELLIGENT PROCESS INTERFACE AND SUBSTATION AUTOMATION SYSTEM - This specification discloses an intelligent and digitalized process level interface which is referred to herein as an Intelligent Process Interface (IPI). The input of the IPI includes both analog and digital channels and therefore the IPI can be used for substations in transition or retrofit stages with both conventional and non-conventional primary devices. The IPI acts not only as a digitalized interface, but also as an intelligent supervisory and control unit for switching functions. The architecture of the IPI is flexible and allows for the functionality to be distributed to several devices. | 04-12-2012 |
20130132555 | COMMUNICATION METHOD AND APPARATUS OF NETWORK MANAGEMENT SYSTEM - The invention provides a communication system for a power distribution network, which comprises at least two distribution domains, each of the domains includes one management device and at least one electrical device. The management device is configured as connected with the electrical devices within its domain, and is further configured as capable of collect information from the electrical devices. The system also comprises a communication link, which is arranged for the management devices of different domains, and the management devices are configured as capable of directly exchanging information through the link. | 05-23-2013 |
20130141827 | FAULT PARAMETER INDICATOR DEVICE AND RELATED METHODS - A method of determining a fault parameter of a fault on an AC transmission line | 06-06-2013 |
20130221977 | FAULT DIRECTION PARAMETER INDICATOR DEVICE AND RELATED METHODS - A method of determining a fault direction parameter of a fault on an AC transmission line of a power distribution system relative to a measurement location of the transmission line. The method includes measuring a time-dependent AC current of the transmission line at the measurement location to obtain time-domain current data indicative of the measured current, obtaining a time of the fault on the transmission line, identifying first and second times by identifying a periodically re-occurring feature of the current data, such that the fault time is between the first and second times, extracting, from the current data, an offset indicative parameter indicative of a time offset of the current at the fault time and between the first and second times, calculating an offset direction parameter by comparing the offset indicative parameter to a non-offset indicative parameter, and establishing the fault direction parameter based on the offset direction parameter. | 08-29-2013 |
20130235503 | HUMAN-MACHINE INTERFACE FOR A SELF-SUPPLIED RELAY - A design of a protection relay, and interface with an operator of a protection relay, are disclosed. The protection relay can include a base relay for measurement of line current and for generation of a trip signal, a base Human Machine Interface (HMI) for user specifying of a base setting of an operating parameter of the protection relay, and an optionally active Human Machine Interface (HMI) unit having a processing unit to manage plural activities with controlled power consumption. | 09-12-2013 |
20140136002 | METHOD FOR DISTRIBUTED WAVEFORM RECORDING IN A POWER DISTRIBUTION SYSTEM - An exemplary method and apparatus are directed to distributed waveform recording for fault monitoring and analysis of a fault condition in a power distribution system. One or more instrument transformers along with merging units and a plurality of Intelligent Electronic Devices (IEDs) distributed in a plurality of hierarchical levels. The distributed waveform recording corresponds to a fault event at different levels in the power distribution system data is carried out by at least two devices configured to detect an event for recording and perform waveform recording. The data used for waveform recording and the data for detection of the event are based on a single stream of the sampled measured value data and are thereby are time synchronized. | 05-15-2014 |
20140341209 | UPDATING DATA OF A CONTROLLER OF A PRIMARY DEVICE OF A POWER SUBSTATION - Exemplary embodiments for updating a controller of a primary device of a power substation. An actual time is received from a time server via a cell phone communication network with a mobile device and the actual time is sent with the mobile device via a local wireless communication network to the controller. | 11-20-2014 |
20150028850 | METHOD FOR CALIBRATING A CURRENT TRANSDUCER OF THE ROGOWSKI TYPE - An exemplary method for calibrating a current transducer of the Rogowski type including a Rogowski coil sensor and an electronic device is performed by determining and correcting the sensitivity of the current transducer of the Rogowski type through the measurement of the self-inductance L | 01-29-2015 |
Patent application number | Description | Published |
20090158135 | Context Control - A context control interface may include a context name field that is arranged and configured to identify a working context, one or more attribute name fields that are configured to identify one or more attributes that define the working context and one or more attribute value fields that are arranged and configured to correspond to the attribute name fields and to define one or more values for the attribute name fields. The attribute name fields and the corresponding attribute value fields may be mapped to a first set of fields in a first application and may be mapped to second set of fields in a second application and the attributes and the values populate the first set of fields and the second set of fields such that the working context is persistent across the first application and the second application, where the first application differs from the second application. | 06-18-2009 |
20090204577 | Saved Search and Quick Search Control - A computer-implemented method for facilitating a unified search comprising: providing a first user interface element with which a user can select a search type from a plurality of search types, wherein the search types comprise searches saved by a user and a plurality of standard searches; providing a second user interface element with which a user can select a refined search criteria that refines the selected search type; searching of customer relationship management data based upon the selected search type and the refined search criteria; and providing the results of the search in a single display frame. | 08-13-2009 |
20100146073 | MOBILE DATA UPLOAD TO ENTERPRISE COMPUTER SYSTEMS - A method and a system for a mobile data upload to an enterprise computer system are described. The data is received at a mobile device. The mobile device operates in a particular context. A reference to an application object of the enterprise computer system is specified based on the context. The data is sent directly from the mobile device to the application object using the specified reference. The context of the mobile device could include the location of the mobile device, the performed task, the user habits, and other elements that are analyzed either by the mobile device or by the enterprise system. | 06-10-2010 |
20100162158 | METHOD PROVIDING A PLURALITY OF SELECTABLE VALUES SUITABLE FOR AN INPUT OF A TEXT FIELD - Described herein is a method, providing a user of a graphical user interface (GUI) with a plurality of selectable values, suitable for an input of a text field in the GUI. Each time the user enters a character in the text field, a background search is performed and the plurality of selectable values is reduced to the matching values only. In case the selectable values consist of multiple words, the background search matches the input to each of the consisting words. If the user does not enter a character in the text field, the method displays a plurality of selectable values when the user performs a double-click over the text field or uses backspace key while the text field is selected. If there is no user context defined, the displayed plurality of selectable values consists of a predefined number of last recently used values in the text field. If the user is working in a context, the displayed plurality of selectable values consists of a predefined number of previously entered context specific values. | 06-24-2010 |