Matches 1 - 50 out of 116 1 2 3 >


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US20140058574 UTILITY AWARE UNINTERRUPTIBLE POWER SUPPLIES  
The present principles are directed to utility aware uninterruptible power supplies. A method includes evaluating services, including service combinations, from among a set of services provided by...
US20110054713 GLOBAL TRIP UNIT  
A method of setting a ground fault trip response function for a trip unit includes enabling a ground fault protection mode for the trip unit, setting the ground fault trip response function for...
US20110118889 INCREASING MEAN TIME BETWEEN FAILURES FOR POWER SUPPLIES  
A redundant power supply may obtain a rule for increasing mean time between failures (MTBF) for a first internal power supply and a second internal power supply connected to an electronic device,...
US20130179012 DETECTION OF OVER-CURRENT IN A BATTERY PACK  
A controller identifies a condition of a hazardous internal short by comparing patterns of series element voltages to the last known balance condition of the series elements. If the loaded or...
US20120316691 LOAD PHASE BALANCING AT MULTIPLE TIERS OF A MULTI-TIER HIERARCHICAL INTELLIGENT POWER DISTRIBUTION GRID  
The subject specification comprises enhanced power system balance control for a multi-tier hierarchical electrical distribution network (EDN). The EDN comprises a specified number of distribution...
US20060200688 Power distribution system using solid state power controllers  
Solid state power controllers are described that include a switch controlled by a microcontroller and communication contacts. In one aspect of the invention, the microcontroller is galvanically...
US20110172843 ELECTRONIC DEVICE AND POWER MANAGEMENT METHOD THEREOF  
The present invention discloses an electronic device having a power management module and a power management method thereof. Within the power management method is used for an electronic device,...
US20130184890 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...
US20110169461 System, Device and Method for Regulating Volt-Ampere Reactance in a Power Distribution System  
A system, method and product for modifying the volt-ampere reactive (VARs) in a power distribution system is provided. In one embodiment, the method includes determining the VARs at a location on...
US20110125339 PROTECTION ARRANGEMENT FOR AN ELECTRICAL POWER DISTRIBUTION NETWORK  
Protection arrangements and methods of operating protection arrangements are important in order to maintain operability with regard to electrical power distribution networks. Such networks...
US20140100705 DISTRIBUTED GENERATION CONTROL FOR MICROGRID DURING ISLANDING  
System and methods are disclosed to handle power imbalance in one or more distributed generation (DG) units: detecting islanding at time t1; selecting Phasor Measurement Unit (PMU) measurements...
US20120197453 SMART NODE  
Systems for reducing power usage and/or wastage use sensors to gather information about a circuit and its usage. Triggers are identified based on the information from the sensors, and subsequently...
US20120022708 POWER SUPPLY CONTROLLER AND CONTROL METHOD THEREOF  
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...
US20090125157 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...
US20120089266 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...
US20110276192 SYSTEMS AND METHODS FOR ISLANDING DETECTION  
A solar power inverter that detects islanding conditions includes a power generation component that generates alternating current (AC) from direct current produced by photovoltaic cells. The...
US20110046809 ADAPTIVE RELAYING CONTROLLED BY AUTONOMOUS EVENT DETECTION  
An adaptive relaying control system and method is disclosed for adapting coordination of protective measures provided to an electric-energy distribution system as a function of at least an ambient...
US20120253533 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...
US20110112700 ELECTRIC POWER SUPPLY DEVICE, ELECTRIC POWER RECEIVING DEVICE, ELECTRIC POWER SUPPLY SYSTEM, AND FAILURE RECOVERY METHOD  
An electric power supply device is provided that includes an electric power supply portion, an information communication portion, a control portion, and an impedance measurement portion. The...
US20130103220 Safe Exposed Conductor Power Distribution System  
A power distribution system (that can detect an unsafe fault condition where an individual or object has come in contact with the power conductors) regulates the transfer of energy from a source...
US20130054043 FAULT DETECTION SYSTEM FOR A GENERATOR  
A fault detection system is provided, and includes a generator, a power converter, a breaker, a current monitoring device, and a control module. The power converter is selectively connected to the...
US20100324747 COMPOSITE TYPE ELECTRIC CIRCUIT BREAKER AND METHOD THEREOF  
A composite electric circuit breaker, and method thereof, is configured to detect signals regarding arc faults, overcurrent, and earth leakage. Arcs and electric currents are detected by a current...
US20120265360 METHOD AND SYSTEM FOR PROGRAMMING AND IMPLEMENTING AUTOMATED FAULT ISOLATION AND RESTORATION USING SEQUENTIAL LOGIC  
A method and system for programming and implementing automated fault isolation and restoration of high-speed fault detection of circuits in power distribution networks using sequential logic and...
US20120158202 EXECUTIVE MONITORING AND CONTROL SYSTEM FOR SMART GRID AND MICRO GRID  
According to one embodiment, there is provided an executive monitoring and control system for monitoring and controlling a power generation output of each dispersed power source and a load of each...
US20110115301 METHOD AND AREA ELECTRIC POWER SYSTEM DETECTING ISLANDING BY EMPLOYING CONTROLLED REACTIVE POWER INJECTION BY A NUMBER OF INVERTERS  
An area electric power system includes a number of direct current power sources, and a number of inverters operatively associated with the number of direct current power sources. Each of the...
US20130066478 OPTIMIZED PROTECTION COORDINATION OF ELECTRONIC-TRIP CIRCUIT BREAKER BY SHORT CIRCUIT CURRENT AVAILABILITY MONITORING  
Centralized coordination of setting and adjusting trip settings of electronic circuit breakers in an electrical distribution system by monitoring short circuit current availability (SCCA) and...
US20130024040 SYSTEM AND METHOD FOR CONTROLLING VOLTAGE ON A DISTRIBUTION FEEDER  
A system for controlling voltage on a distribution feeder includes a plurality of capacitor banks that can be connected to or disconnected from the distribution feeder. A first bank is configured...
US20100312398 Safety System and Method for Pump and Motor  
Embodiments of the invention provide a variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system. The drive...
US20120158201 SYSTEM AND METHOD FOR PROVIDING SECURITY BASED ON POWER CONSUMPTION  
In a load monitoring unit capable of monitoring power usage of an electrical device, a method of detecting a possible security breach is described herein. In one arrangement, the method can...
US20120083936 POWER DISTRIBUTION APPARATUS  
The invention relates to an electrical power distribution apparatus (100) connectible to one or more loads (119). The electrical power distribution apparatus (100) comprises inter alia one or more...
US20120016531 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...
US20110095723 OVERCURRENT AND GROUND FAULT PROTECTION IN A NETWORKED CHARGING STATION FOR ELECTRIC VEHICLES  
A networked charging station for electric vehicles protects against overcurrent and ground fault conditions. Upon detecting an overcurrent condition or a ground fault condition, the networked...
US20110071694 SYSTEM AND METHOD FOR MEASURING POWER CONSUMPTION IN A RESIDENTIAL OR COMMERCIAL BUILDING VIA A WALL SOCKET  
A system and method to measure power usage within a residence having a plurality of electrical circuits electrically connected to an over-current protection device may include measuring, by a...
US20120089265 METHODS, SYSTEMS, AND APPARATUS FOR SHEDDING LOADS FROM AN ELECTRICAL GRID  
A load shedding system for operating at least one circuit breaker positioned within an enclosure is described. The load shedding system includes a processor configured to receive a demand signal...
US20100318234 HYBRID ENERGY STORAGE SYSTEM, RENEWABLE ENERGY SYSTEM INCLUDING THE STORAGE SYSTEM, AND METHOD OF USING SAME  
This disclosure generally relates to stabilizing energy provided by an energy source, and more particularly to systems and methods for using multiple types of energy storage devices to selectively...
US20110178649 METHOD FOR PREVENTING ELECTRIC SHOCK BY CONTACT WITH CONNECTED-TO-GROUND ELECTRIC APPLIANCES AND INSTALLATIONS, AND APPARATUS THEREFOR  
A safety method and safety apparatus of an electric installation (2) that is powered through an electric supply line (3), and has a ground wire (9). The safety apparatus comprises a means (400A)...
US20100268579 SYSTEM AND METHOD OF MONITORING AND OPTIMIZING POWER QUALITY IN A NETWORK  
The operation of a power distribution network is modeled. At least one quality of the operation of the power distribution network is measured. The future operational performance of the power...
US20110022240 Rotor Angle Stability Prediction Using Post Disturbance Voltage Trajectories  
A new method for predicting the rotor angle stability status of a power system immediately after a large disturbance is presented. The proposed two stage method involves estimation of the...
US20080103633 DIGITALLY IMPLEMENTED POWER SUPPLY SUPERVISORIES  
Power supplies include digital supervisory circuits that detect faults and control power supply operation. The supervisory control algorithms are user programmable so that the supervisory function...
US20120053744 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...
US20130158734 Apparatus And Method To Protect Distribution Networks Against Overcurrents Caused By Faults In Residential Circuits  
Disclosed herein are methods, apparatuses, and systems for protection of distribution networks against overcurrents caused by faults in residential circuits. In an embodiment, a smart meter...
US20090312883 SYSTEM FOR CONTROLLING A POWER, WATER OR GAS SUPPLY  
The invention relates to a system for controlling a power (6), water (18) or gas (17) supply in emergency and energy saving situations. The system comprises one or more detectors (2, 8, 14, 15,...
US20140067146 POWER GENERATOR PROTECTION UNIT  
A generator protection unit is provided including a central processing unit including at least one programmable device configured to utilize an Ethernet communication protocol. The central...
US20110087383 NETWORK PROTECTION WITH CONTROL HEALTH MONITORING  
Apparatus and methods for network protection monitor the functional state of a control component on a circuit protection device and provide a back up control signal to activate the circuit...
US20110040419 Communication process for elements composing a home or industrial electrical energy distribution network and devices for implementing the same  
A communication process between two constitutive elements of the network of electricity distribution in a domestic or industrial premise including circuit breakers, electrical modules, switches,...
US20110276190 LOAD SHARING ARCHITECTURE FOR REDUNDANT CHANNEL CONTROLLERS  
A redundant, multi-source architecture provides output loads access to each of the plurality of power sources. The architecture includes at a least a first power bus and a second power bus. A...
US20120310430 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...
US20100076615 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...
US20120029716 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...
US20110118883 SYSTEMS AND METHODS FOR MONITORING POWER DEVICES  
Systems and methods for monitoring power devices that are connecting in a loop to a main power line are provided. A plurality of power devices that are connected in a loop to a power grid line may...

Matches 1 - 50 out of 116 1 2 3 >