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7631200 Host apparatus, device, and method for controlling communication system  
A host apparatus that adjusts consumption of a device in accordance with the power supply capability of the host apparatus. The host apparatus includes a plurality of communication ports and...
7627401 System and method for remotely regulating the power consumption of an electric appliance  
A system and method for remotely regulating the power consumption of a device are provided. The method comprises sending a message from a remote location and over a wide area data network to a...
7627398 Apparatus providing power-over-ethernet test instrument  
An apparatus for measuring characteristics of a at least one Power Over Ethernet (PoE) Power Sourcing Equipment (PSE) device (also referred to as a PSE test blade) is presented. The apparatus...
7622886 Method for determination of the risk to disturbance-free operation of a frequency converter  
The invention relates to a method for determining the chance of a disturbance-free operation of a frequency converter ( 2 ) connected to a feeding network ( 18 ). According to the invention, during...
7613549 Approach for managing power consumption in buildings  
An approach for managing power consumption in a building includes receiving a signal that indicates that a user has entered or left the building. In response to receiving the signal, one or more...
7593832 Energy efficient achievement of integrated circuit performance goals  
A system and method for meeting performance goals in an electronic system in an energy efficient manner. Various aspects of the present invention may comprise operating an electrical circuit at a...
7590499 Recording and conveying energy consumption and power information  
Aspects of the invention provide apparatuses, methods, and systems that support measuring and conveying energy consumption by an electrical device. An apparatus includes an energy sensor that...
7586767 Limit-cycle oscillation (LCO) based switch-mode power supply (SMPS) response evaluation  
A limit-cycle oscillation (LCO) based switch-mode power supply (SMPS) response evaluation provides an effective mechanism for determining the characteristic response of an SMPS during normal...
7567859 Methods and apparatuses for control of building cooling, heating and power co-generation systems  
A control system and method for achieving economic operation of CHP systems. A plurality of factors, including power source prices and operational needs, are assessed using multiple strategies. The...
7558651 Dynamic setup wizard in lighting control system commissioning  
A dynamically configurable electrical distribution system is provided for selectively connecting an electrical power source to load devices. The system comprises an electrical distribution panel...
7551985 Method and apparatus for power consumption optimization for integrated circuits  
Method and apparatus for finding an assignment of voltages to all power domains of an integrated circuit such that the power consumption of an integrated circuit design is minimized and timing...
7550870 Method and apparatus for remote power management and monitoring  
Methods and/or systems for power monitoring and/or power cycling management provide a variety of different remote interfacing and provide individual current monitoring for each output in a power...
7548799 Powered device including a detection signature resistor  
A method is provided that includes receiving a detection voltage at a powered device from a powered network, applying the detection voltage to an external resistor to provide a detection signature...
7532955 Distributed protection system for power distribution systems  
There is disclosed a protection system for a power distribution system having a plurality of breakers arranged in a hierarchy. The protection system has a network and a breaker coupled to the power...
7519484 Power supply monitor  
There is provided a power supply monitor circuit comprising a positive supply monitoring input, a negative supply monitoring input, and a voltage divider connected between the positive and negative...
7480549 Electrical control unit for an automobile  
An electrical control unit for an automobile of which standby current is smaller. In an electrical control unit for an automobile having a microcomputer, an input circuit, a driver circuit, and a...
7473479 Current limiting system and current limiting method for fuel cells  
A current limiting system for fuel cells includes a target current limit value setting device which sets a target current limit value for limiting the generated current taken out from the fuel cell...
7460929 Integrated current fault controller  
A fault monitoring and management system integrates a fault controller with the power load functions within the power management device of a battery operated system. Multiple input load lines allow...
7456588 Arrangement and method for providing power line communication from an AC power source to a circuit for powering a load, and electronic ballasts therefor  
An arrangement ( 900 ) and method ( 1000 ) for providing power line communication from an AC power source ( 910 ) to a circuit ( 900 ) for supplying power to a load ( 960 ), as well as electronic...
7450910 Non-contact power supply system  
A power supply system capable of supplying power from a power transmitter to a power receiver in an electrically non-contact manner, in which a power transmission module is attached to the power...
7446491 Intelligent power management for actuators  
A system and method is disclosed for intelligent power management of actuators such as those used in papermaking. Multiple power supply units are connected to a common power bus. The power bus is...
7437217 Method and apparatus for supplying power in a local area network  
A method for supplying power to a local area network node over communication cabling, the method comprising: injecting current-limited current into communication cabling connected to the local area...
7418314 Methods and apparatus for providing and distributing standby power  
Aspects of the invention are directed to power distribution systems and methods for distributing power from a primary power source and a backup power source to a load. In one particular aspect, a...
7412305 Power supply detection device and method  
A power supply detection circuit monitors an input voltage and generates a magnitude signal representative of a supply voltage magnitude. Timing signals are generated relative to a transient...
7406364 Method and system to calculate a demand for energy  
A method to calculate energy demand in an energy generation, transmission and distribution network including one or more power plants based on different energy source types including renewable...
7404094 Relay set in network device and method thereof  
A relay set in a network device. The relay includes a first switch, a switch control unit, and a first AC coupling unit. The first switch is coupled between a first receiving end of the network...
7373222 Decentralized energy demand management  
A decentralized load management and control system and method are provided herein. A plurality of loads in a system are associated with a multitude of respective networked load controllers. If...
7336003 Transfer switch and power system including the same  
A transfer switch includes first terminals adapted to input power from a first power source, second terminals adapted to input power from a second power source, third terminals adapted to output...
7333860 Dependent power supplying apparatus and electronic instrument  
A semiconductor power supplying apparatus driven by a power source includes at least two driven circuits for performing prescribed data processing when electric power is supplied. An electric power...
7321834 Method for calculating power flow solution of a power transmission network that includes interline power flow controller (IPFC)  
Power flow models of Interline Power Flow Controllers (IPFC) for large-scale power systems are studied, in details. Mathematical models of the IPFC, using the d-q axis decompositions of control...
7295935 Analyzing and/or displaying power consumption in redundant servers  
A method of analyzing power consumption in an information handling system is provided. A voltage associated with a current share signal may be determined. A power load associated with the...
7295900 Load drive apparatus with short circuit determination  
The load drive apparatus has a driver unit and a control unit. The driver unit includes a control section modulating, in accordance with a PWM signal supplied from the control unit, a drive signal...
7280893 Business management system and method for a deregulated electric power market  
A business management method with interaction between an electrical energy supplier and a plurality of customer energy consumers includes the consumers providing respective electricity load...
7276815 Power management system  
A method of managing power resources for an electrical system of a vehicle may include identifying enabled power sources from among a plurality of power sources in electrical communication with the...
7272669 Providing compatibility with both electrically isolated and non-isolated modules in an ethernet system  
A system and method for configuring a slot to be compatible with both modules that are compliant with the isolation requirements for power over Ethernet and modules that are not compliant.
7257464 Variable wattage control system  
A variable wattage control system is disclosed for providing varying wattage levels for a power-receiving device. The power-receiving device is operatively associated with a sensing means that...
7231283 Method for regulating the power supply of a number of multiple field devices  
In a method for regulating the power supply of a plurality of field devices S 1 , S 2 , S 3 , A 1 , A 2 , connected to a data bus DBL and supplied with electrical current over the data bus DBL, the...
7231280 Dynamic control system for power sub-network  
A dynamic power control system for controlling power utilization on a local level in a power sub-network of a power grid is presented. The power sub-network is configured with switchable power...
7228194 Power supply system, power supply method and lot processing method  
A power supply system is disclosed. The system includes a power supply unit which supplies power to a processing unit, an arrival time calculating portion which calculates arrival time taken for a...
7221261 System and method for indicating a configuration of power provided over an ethernet port  
A system and method indicates the configuration of power to be provided over Ethernet cabling.
7218998 System and method for limiting power demand in an energy delivery system  
An intelligent demand controller protects the local customer premises supply transformer from overload and senses conditions on the transformer. The intelligent demand control system utilizes a...
7216246 Electronic apparatus and supply power setting method for the apparatus  
An electronic apparatus according to the invention can be powered by a fuel cell unit and secondary battery unit. Power supply management utility executed by a CPU displays the states of use of the...
7209838 System and method for energy monitoring and management using a backplane  
An energy monitoring and management system and method are provided herein. The system and method centralize load metering by utilizing at least one sensor for observing load characteristics (e.g.,...
7203849 Method and system for distributing power to networked devices  
One embodiment disclosed relates to a system for power distribution to network devices. The system includes a plurality of network switches each having an internal power supply and a plurality of...
7197378 Coordinating controller for electric power equipment  
A coordination controller prevents the deterioration of electric power quality in an electric power system, such as in terms of voltage values, that can be caused when distributed power resources...
7187268 System and method for safely controlling, and receiving status of, power over ethernet  
A system and method electrically isolates configuration and status information about power provided over Ethernet cabling.
7181321 Method and device for operating a multiple component technical system, particularly a combustion system for producing electrical energy  
In a technical system a plurality of values associated respectively with a component are stored in at least one computer unit. The computer unit is enabled to trigger an evaluation of at least one...
7178043 Power consumption control method and information processing device  
A controller reads a current value from a current sensor at regular intervals and calculates the average power consumption (Pavg) for a specified length of time (T). When the average power...
7167777 Wireless internet lighting control system  
A lighting control system for managing utility operation parameters, including a ballast control module configured to communicate with a lighting ballast; a data processing module connected to the...
7159129 Supply interface unit for direct current power pooling  
The present invention provides for a supply interface unit for use in a DC power pooling system, the DC power pooling system comprising a plurality of DC electrical power consuming and providing...
Matches 1 - 50 out of 172 1 2 3 4 >