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Match Document Document Title
9043039 System and method for arc detection and intervention in solar energy systems  
An arc detection and intervention system for a solar energy system. One or more arc detectors are strategically located among strings of solar panels. In conjunction with local management units...
9041544 Power outage detection  
A network device receives notification configuration information that includes a time interval criteria and a selected geographical area for providing power outage notifications. The network...
9030043 Method for setting an output voltage level of a wind power plant  
The present invention addresses the problem of avoiding that wind turbine voltage levels within a wind power plant do not exceed predetermined overvoltage and/or undervoltage protection levels. In...
9008852 System, method, and apparatus for electric power grid and network management of grid elements  
Systems, methods, and apparatus embodiments for electric power grid and network registration and management of active grid elements. Grid elements are transformed into active grid elements...
9008850 Systems and methods for under-frequency blackout protection  
A system for managing an electric power delivery system is disclosed that includes a set of remote intelligent electronic devices (IEDs) and a central IED. The remote IEDs may be configured to...
9006925 Distribution protection system and method  
A protection system for a power distribution system includes a bus voltage sensing unit to measure a bus voltage or a load voltage and a demand response module for estimating available demand...
8994468 Modulation method and control device having the same  
A modulation method is provided. The modulation method includes the steps of receiving multiple sinusoidal signals, obtaining the maximum value of the sinusoidal signals, obtaining the median...
8996189 Method and device for optimized energy management  
A method for optimized energy management of an electrical system is provided for protecting a component to be protected of the electrical system. The power dissipation of at least one component to...
8983633 Electrical equipment control device, electrical equipment control method and electrical equipment  
An equipment control device has: a reception unit for receiving desired time information indicating a desired operation start time or a desired operation termination time, operation period...
8935011 Electrical load management system and method  
A load management system provides an interface between a power input and several switched power outputs and un-switched power outputs. A controller groups the switched power outputs into one or...
8930038 System, method, and apparatus for electric power grid and network management of grid elements  
Systems, methods, and apparatus embodiments for electric power grid and network registration and management of grid elements. Grid elements are transformed into grid elements following initial...
8924033 Generalized grid security framework  
The subject specification comprises a generalized grid security platform (GGSP) that can control power distribution and operations in a power transmission and distribution grid (PTDG) in real or...
8918222 Controlling and protecting power-supply paths from thermal overloads  
A power supply controller is connected between a power source and a power-supply path, and includes a switch circuit, a power-supply path protection circuit, and a sleep mode setting circuit. The...
8904196 Power management method and apparatus  
An apparatus includes a power management interpretation circuit and a power management control circuit. The power management interpretation circuit provides power management control information in...
8880234 Supervisory control method and equipment for smart grids  
Supervisory control equipment for smart grids provided with a plurality of generators and loads and operated in interconnection with a commercial power system through an interconnected circuit...
8874277 Smart-grid adaptive power management method and system with power factor optimization and total harmonic distortion reduction  
A method and system of power factor optimization and total harmonic distortion are provided under the premise of efficient power management and distribution on an electrical grid. The method and...
8866626 System and method for detecting generator incipient failures  
A method, system and computer software for detecting an incipient failure of a generator in a power system including the steps of ascertaining one or more generator reference parameter of the...
8861695 System and method for sending data using caller ID  
A communication system receives data that does not pertain to an attempted initial establishment of a communication. The communication system uses a new message format under an existing analog...
8849470 Method for performing service/maintenance on a switchgear panel, and related switchgear panel  
A switchgear panel and a method for servicing/maintaining a switchgear panel are disclosed which provide a Human Machine Interface that includes a first memory unit, and a first circuit breaker on...
8849471 Systems, devices and methods for electricity provision, usage monitoring, analysis, and enabling improvements in efficiency  
The invention relates generally to systems, devices and methods for the efficient use of utilities, more particularly to the distribution and provision of electricity supply at appropriate...
8849469 Data center system that accommodates episodic computation  
A data center system is described which includes multiple data centers powered by multiple power sources, including any combination of renewable power sources and on-grid utility power sources....
8825446 Independently based diagnostic monitoring  
An independently based diagnostic system tests the execution of a processor. The processor is arranged to provide a diagnostic output that provides a pre-determined time-variant signal. The...
8818742 Systems, methods, and apparatus for detecting theft and status of electrical power  
Certain embodiments of the invention may include systems, methods, and apparatus for detecting theft and status of electrical power. According to an example embodiment of the invention, a method...
8817431 System and integrated method for a parallel and series arc fault circuit interrupter  
To prevent property fires, electrical circuits need to be protected from arc faults due to line-to-line, line-to-neutral and line-to-ground conductivity, known as high current parallel arcing, and...
8810998 Motor control center and communication system therefor  
A communication system is provided for a motor control center. The motor control center includes an enclosure and a plurality of subunits. The enclosure comprises a framework for dividing the...
8798803 Control system for an electric power system  
A control system for an electric power system is provided. The control system includes a wireless communication system for tracking one or more electric vehicles and receiving a battery charge...
8793001 Parameterization monitoring for analog signal modules  
The invention relates to a method for monitoring an output driver that can be parameterized and is suitable for controlling actuators in industrial automation technology, for applying analog...
8779931 Method and apparatus for communicating power distribution event and location  
A system, device, and method of providing information for a power distribution system is provided. In one embodiment, a method of using a device that receives power from the low voltage power of...
8781639 Digital wireless network receptacle  
A digital wireless network receptacle has an upper housing, two power sockets formed through the upper housing, a lower housing and a multi-layer mechanism mounted between the upper housing and...
8762085 Method of estimating short circuit current available by analysis of DC charging circuit  
A system and method of dynamically estimating the short circuit current availability (SCCA) at a node in an alternating current electrical distribution system by examining the spectral composition...
8761952 System, method, and apparatus for electric power grid and network management of grid elements  
Systems, methods, and apparatus embodiments for electric power grid and network registration and management of active grid elements. Grid elements are transformed into active grid elements...
8760258 Energy monitoring and management security system  
An energy management system. The energy management system includes at least one energy monitoring and control device configured to monitor the power usage of one or more electrical devices, and a...
8751055 Distributed power supply system  
A distributed power supply system of the present invention comprises a distributed power supply apparatus (4) for supplying electric power to a customer load (2) interactively with a commercial...
8738195 Inferencing energy usage from voltage droop  
Methods and devices capable of measuring, analyzing, and monitoring electrical energy consumption of appliances and devices within a building are provided. Voltage sensors that are optionally...
RE44901 Method for converting direct voltage into three phase alternating voltage  
A method of converting a direct voltage generated by a decentralized power supply system into three-phase alternating voltage by means of a plurality of single-phase inverters (WR1-WR3), said...
8718959 Method and apparatus for high-speed fault detection in distribution systems  
A method and apparatus for high-speed fault detection of circuits in power distribution networks utilizing protective relay devices (14) segmenting a distribution line (11) having Intelligent...
8713363 Power supply system for a data storage system and a method of controlling a power supply  
The invention provides a power supply system for a data storage system, the power supply system comprising: a first power supply unit for supplying power to the storage system; a second power...
8688283 Method and system for power quality protection  
A method for power quality protection includes measurement of electrical and nonelectrical parameters, calculation of additional electrical and nonelectrical parameters, comparison of the value of...
8670876 Electric power control system and process  
A method and apparatus for controlling electric power supplied to one or more electrical devices from a power source are disclosed. Measurements of the supplied electricity are detected. Estimated...
8649912 Method and system for workload balancing to assist in power grid load management  
A method and system for workload balancing to assist in power grid load management. The method includes receiving a request to perform a task at a site powered by connection to an AC power grid,...
8588988 Method and apparatus for executing secondary functions on an electrical switchgear device  
This invention relates to a method and apparatus for executing secondary functions on an electrical switchgear device. In particular, the present invention relates to a method and apparatus which...
8560137 High-voltage step-charge control for use in network-powered applications  
An over-current input conditioning limiter is disclosed for remote equipment. The over-current input conditioning limiter includes a current sensing apparatus, a semiconductor switch, and a...
8560138 Systems and methods for use in providing local power line communication  
The present embodiments provide systems and methods for implementing and controlling local power line communication (PLC) networks. Some embodiments include a central controller communicationally...
8554387 Method, device and system for responsive load management using frequency regulation credits  
A method, device and system for responsive load management using frequency regulation credits. The method includes using an AC frequency measuring device, measuring a current AC frequency on an AC...
8553395 Motor control center network connectivity method and system  
A motor control center comprises a plurality of bays in which switchgear components, circuit protective components, automation components and power electronic components are disposed for driving...
8553791 Simultaneous use of multiple radio frequency channels  
In general, the subject matter described in this specification can be embodied in methods, systems, and program products for identifying data that is designated for wireless transmission to a...
8527106 System stabilization device  
A control unit of a system stabilization device uses a fluctuation detection block (60) to determine fluctuation components included in the active component and reactive component currents of a...
8527107 Method and apparatus for effecting controlled restart of electrical servcie with a utility service area  
An active load management system (ALMS) controllably restarts electrical service to service points in a utility service area after a power outage. The ALMS includes client devices installed at the...
8526155 Phase-control switchgear and phase-control method for switchgear  
A phase-control switchgear includes a circuit breaker, a phase difference detection unit, a storage unit, and a circuit breaker control unit. The phase difference detection unit detects a phase...
8489346 Parametric multi-cycle averaging in an intelligent electronic device  
A method and apparatus measures electrical power usage and quality, while mitigating the effects of noise on measured signals or parameters. Specifically, a digital electrical power and energy...

Matches 1 - 50 out of 356 1 2 3 4 5 6 7 8 >