1138 results about "Distribution power system" patented technology

The communication system of one embodiment is for communicating data through a power distribution system having a medium voltage power line and low voltage power line and comprises a first device comprising a first wireless transceiver, a first modem in communication with the first wireless transceiver and the medium voltage power line. The system may also comprise a second device comprising a second wireless transceiver in wireless communication with the first wireless transceiver; and a second modem in communication with the second wireless transceiver and the low voltage power line.

The present invention provides a system for operating a power line communications system that is comprised of a plurality of network elements, which may take the form of repeaters, bypass devices, backhaul devices, wireless backhaul devices, enhanced bypass device, communication interface devices and others. In one embodiment, two groups of network elements in the same electrical distribution system are isolated except selected communication link.

A system for hazard mitigation in a structure including a subsystem coupled to a circuit of an electrical distribution system and set of nodes. The nodes monitor operating conditions of the circuit and generate data in response. A data processing system is operable to process the data generated by the set of nodes and in response identify a trigger representing a condition requiring that an action be taken. The data processing system processes the trigger in accordance with a predetermined policy to initiate an action by the subsystem.

A power distribution system/method implementing Internet based access to hybrid home automation networks is disclosed. The system utilizes a smart gateway power controller (SGPC) configured for single/multi-gang wallplate installation to selectively switch an AC power source to a load device under switched control and/or local/remote network commands that may be routed through a variety of network interfaces and protocols present within a home or other structure-local communications network. SGPC configurations may be nested within a home automation network to permit separation of control for load devices within a common home automation environment. Present invention methods may include routing protocols between disparate home automation networks as well as remote access protocols that permit control of disparate home automation networks via the Internet using a wide variety of remote access interfaces including mobile devices, tablet computers, laptops, desktop computers, and the like.

A system and method of regulating the voltage of the power supplied to a plurality of power customers via a power distribution system that includes low voltage power lines and medium voltage power lines is provided. In one embodiment, the method includes measuring the voltage of a plurality of low voltage power lines at a plurality locations in the power distribution system with a plurality of voltage monitoring devices; with the plurality of voltage monitoring devices, transmitting voltage data in real time to a remote computer system; receiving, with the computer system, the real time voltage data of the voltage measured from the voltage monitoring devices; comparing, with the computer system, the real time voltage data with a first threshold value; and if the real time voltage data is beyond the first threshold value, transmitting with the computer system a first voltage adjustment instruction to a voltage control device configured to adjust the voltage supplied to a low voltage power line.

An electric power management system includes a monitor for the total power usage of a facility that monitors a history of power consumption during a set time interval of a distribution system having at least one electric load. Predictions of available power are generated through out the time interval by comparing the history of power consumption to a set allocation. Available power predictions are transmitted to the at least one electric load. The at least one load control receives the power capability predictions and controls the energy usage of the at least one electric load such that the total energy usage of the facility does not exceed the set allocation.

A method and system is provided for optimizing the performance of a power generation and distribution system by forecasting very short term load forecasts through the use of historical load data, demand patterns and short term load forecasts.

A system and method for determining the relative phase of each of a plurality of load meters connected to a three-phase power distribution system. The system includes a gateway that communicates information to and from each of the individual load meters. The gateway generates a timing pulse that is received by each of the load meters. Based upon the delay from the receipt of the timing pulse to the next zero crossing of the single phase power supply received by the meter, the utility can determine the phase of the individual meter. The system can include a feeder meter connected to each phase of the electrical supply system to determine the energy consumption for each of the meters connected to a specific phase. The utility can compare the energy consumption information from the feeder meter to all of the load meters connected to the same phase to determine whether any energy theft is occurring.

The invention addresses the needs associated with the entire data center power distribution lifecycle—design, build, operation and upgrades. The design and construction is facilitated by a system for prefabricating power whips that accommodate changing data center needs. The invention also allows for upgrading power supply components without powering down critical equipment. Improved power and network strips and associated logic further facilitate data center operation.

Disclosed herein are a variety of different electrical system topologies intended to mitigate the impact of large intermittent loads on a 12 volt vehicle power distribution system. In some embodiments the intermittent load is disconnected from the remainder of the system and the voltage supplied to this load is allowed to fluctuate. In other embodiments, the voltage to critical loads is regulated independently of the voltage supplied to the remainder of the system. The different topologies described can be grouped into three categories, each corresponding to a different solution technique. One approach is to regulate the voltage to the critical loads. A second approach is to isolate the intermittent load that causes the drop in system voltage. The third approach is to use a different type of alternator that has a faster response than the conventional Lundell wound field machine.

A system, computer program product and method to provide information related to a power distribution system based on information provided by a plurality of network elements electrically connected to a plurality of power lines of the power distribution system at a plurality of locations is provided. In one embodiment, the method comprises receiving a notification from a group of network elements that have detected a voltage signature indicating an imminent power outage, determining location information of the power outage, outputting the location information of the power outage, receiving a live notification from a first network element of the group of network elements indicating a first power restoration at a location of the first network element, determining location information of the first power restoration, and outputting the location information of the first power restoration.

A power distribution system within a vehicle operates to provide power over Ethernet to a plurality of network node modules coupled to a vehicular communication network of the vehicle.

Featured are methods for regulating the AC frequency of the electrical power be supplied on an electrical distribution system or grid. Such a method includes electrically coupling an energy storage sub-system to the electrical distribution network, where the energy storage sub-system includes one or more flywheel energy storage systems. Also featured as devices, systems and apparatuses embodying such methodologies or for use in implementing such methodologies of the present invention.

An electric power load management system and method that uses a multiplicity of remote power supplies in a controlled manner such that the aggregate system has the capacity to offset critical power company peak electric demand periods thereby preventing severe and detrimental power shortages and interruptions.

A method and apparatus for modifying a power distribution network in a building in order to provide data communication by using a Power Line Carrier (PLC) signal to an approximate electrical central location point of a power distribution system remote from the data entry point of the building. A passive coupler device is attached to a centrally located service panel. The passive coupler receives the Power Line Carrier (PLC) signal from the remote entry point in the building and conditions the signal for entry at the service panel onto each phase of the power distribution network.

An electrical power distribution system that can provide power to load equipment at any point along its length includes two main components: a power track housing assembly with current carrying conductors that can be mounted to the wall, ceiling or under the floor, and a plug-in power tap. The power track housing assembly includes a housing, insulators, and two or multiple conductors. In order to increase the housing assembly length, the housing assembly is preferably arranged such that multiple housing assemblies can be spliced together using cam operated splicing assemblies that form straight, “90 degree” and/or “T” splices to configure the system to match the equipment arrangement, and that allow all conductors in respective housing assemblies to be connected to each other simultaneously. The plug-in power taps also employ a system such as a shaft-cam mechanism that allows the assemblies to be electrically connected to all phase conductors within the power track housing assembly simultaneously. In addition, the power taps may include circuit breakers or other protective devices, and/or other sub-modules.

net-metering in a power distribution system that includes a DRG system that is capable of providing power to a local load, an electric utility, and one or more batteries for storage, where net-metering is carried out iteratively during operation of the power distribution system and includes: creating, by a decision control engine, a local load and generation profile for a predefined period of time; deciding, by the decision control engine in accordance with revenue optimizing decision criteria and in dependence upon the local load and generation profile, present and projected utility power purchase prices, and a present state of charge of the batteries, whether to sell or store locally generated power; providing locally generated power to the electric utility if the decision control engine decides to sell locally generated power; and charging batteries with locally generated power if the decision control engine decides to store locally generated power.

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 the power distribution system and experiences a power loss during a local power outage may perform the processes of monitoring a voltage of the low voltage power line, detecting a voltage reduction below a threshold voltage for a predetermined time period, storing information of the voltage reduction in a non-volatile memory prior to the power outage, and transmitting a notification to a remote computer system prior to the outage. The monitoring may comprise making a plurality of measurements of the voltage during a time interval and averaging the plurality of voltage measurements. In addition, the method may include transmitting an alert message upon power up after the outage to indicate a power restoration local to the device.

Disclosed is an intelligent power grid management system. In a certain area, an area-level minisize intelligent power grid system is established, which uses the common power supply of regenerative resources such as photovoltaic generation and wind power generation and the traditional power grid as the main power supply, the micro-turbine generation as the supplementary power supply, and the storage battery energy storage as the adjusting device; and comprehensively connects the power supply system with the distribution system of the area, the power utilization system of each building user. And then the intelligent power grid system including a generation and energy storage side management system as well as a power utilization side management system is comprehensively managed by utilizing the network communication and the intelligent control as the nerve centre, thus effectively lifting the utilization rate of regenerative resources in the area, raising the reliability of the power supply network of the area, improving the intellectualization degree of the whole power grid of the area, effectively saving energy and improving the power utilization satisfaction of users.

A stabilized electric distribution system for use in a vehicle having electric assist. The system electrically couples an electric assist bus to an accessory load bus while protecting the first electrical bus from electric assist and regenerative braking induced voltage variations. An energy management controller selectively controls each of a electric motor/generator, a DC/DC converter, and an alternator to affect electric energy distribution within the system. Preferably, the electric energy distribution is controlled to maintain the first electrical bus voltage within a predefined voltage range.

A fault is located in a power distribution system having a line frequency. The power distribution system includes a plurality of phases, at least one feeder, and each feeder includes at least one segment. The fault is located by detecting a faulted phase from the plurality of phases of the power distribution system. A measurement signal having a measurement frequency is injected into the detected faulted phase, the measurement frequency being a different frequency than the line frequency. The fault location is determined for a selected segment based on at least one measured residual current corresponding to the injected signal and a predetermined relative impedance of the power distribution system.

The instant invention relates to a mobile intelligent metering and charging system for charging uniquely identifiable chargable vehicle destinations (V) and method for employing the same. The system includes at least a power distribution system limb and a power consumption control and recordation limb. A vehicle system meter and at least one programmable command and control system identify unique vehicles, batteries, user accounts or other predetermined locations for charging and accounting purposes. Both the at least one programmable command and control system and the vehicle system meter are in communication with both the power distribution system limb and the power consumption control and recordation limb, and the at least one programmable command and control system controls the transmission of power through the vehicle system meter according to a predetermined and programmable algorithm, resulting in charging of the uniquely identifiable chargable vehicle destination.

A system and method for managing an electrical distribution system in a facility is disclosed. In one aspect, the method may include receiving at a computer system from a monitoring system data related to actual energy use of components of the electrical distribution system, receiving at the computer system a request for a modification to the electrical distribution system, using the computer system, providing a revised electrical distribution system design based on the request and the data related to actual energy use using a system optimization function for the electrical distribution system, modifying the electrical distribution system in accordance with the revised electrical distribution system design to provide a modified electrical distribution system in the facility, and receiving at the computer system from the monitoring system data related to actual energy use of components of the modified electrical distribution system.

The present invention provides a system and method for operating a power line communications system for communicating via an underground residential distribution power system. One embodiment of the present invention includes an aggregation point, which may be co-located with a point of presence, communicatively coupled to one or distribution points. The distribution points are communicatively coupled to one or more medium voltage interface devices. The medium voltage interface devices are communicatively coupled to one or more power line bridges via URD medium voltage power lines. The power line bridges may be co-located with a URD distribution transformer and provide communications to the user devices communicatively coupled to the LV power lines of the distribution transformer.

The present invention is directed to an electrical device configured to be disposed in an electrical distribution system between a source of electrical power and an electrical load. The electrical distribution system includes at least one line hot conductor, a line neutral conductor, and a line ground conductor. The line neutral conductor and the line ground conductor are connected to earth ground at a termination point in the electrical distribution system. The electrical load includes at least one load hot conductor, a load neutral conductor, and a load ground conductor. The device comprises a power supply coupled to the power input mechanism. The power supply comprises at least one DC voltage output terminal and a reference terminal coupled to the line ground termination element. A voltage parameter detection circuit is configured to take a first voltage reading from a first termination element of the plurality of line termination elements and a second voltage reading from a second termination element of the plurality of line termination elements to derive at least one voltage parameter therefrom. The first voltage reading and the second voltage reading are referenced to the reference terminal. The circuit interrupter is driven into the tripped state if the at least one voltage parameter does not meet a predetermined condition, the voltage parameter detection circuit being operational when the reference terminal is not at an earth ground potential.

A system and method distributes data and power in a robust manner for a large scale LED display. Master modules of the display are capable of receiving a data stream on any one of four data ports. The master modules extract the data for its module and an associated group of slave modules from a data stream received on one port and send the received data stream to three other master modules via the other three data ports. Unregulated D.C. power is distributed from one or more power hubs to the master modules which in turn distribute regulated D.C. power to their associated slave modules.

A work environment providing a work area and a workstation including the information display system are also disclosed. A utility distribution system is also disclosed. An information display system is further disclosed. The work environment may provide a work space that can be arranged or divided to include at least one work area within the available floor space. The utility distribution system includes a utility threshold may be adapted for movement along a predefined path about the work area to selectively deliver utilities to at least one portion of the work area. The utility distribution system may be selectively positioned for use in a variety of locations relative to a track system. The information display system may include a track system adapted to attach to a mounting structure and a plurality of display panels coupled to the track system for movement with respect to the mounting structure.

A network system and computer component device rack having an integrated AC power distribution system is provided. The device rack and power distribution system includes a device rack frame having a plurality of locations for receiving network system and computer component devices within. The plurality of locations stacks network system and computer component devices one over another in a generally vertical orientation. A pair of AC power sequencers are mounted on an inner side panel, and a pair of power strips is provided along a rear edge. A plurality of compound angle AC jumper cords are provided for connecting network system and computer component devices to a plurality of power outlet receptacles on the pair of power strips.

An electric power line communication system operates with an electric power distribution system to provide through premises power distribution lines highly reliable communication links among power line communication devices electrically coupled or located in proximity to the premises power distribution lines. Each power line communication device associated with a set of premises power distribution lines has an identification address. A master code identifies the power line communication devices as members of a system domain of power line communication devices associated with the set of premises power distribution lines. Association of the master code with the identification addresses renders the member power line communication devices capable of operation without unintended communication with power line communication devices associated with a separate, different set of premises power distribution lines.

A methodology and related system apparatus is provided for using and coordinating the use of information conveyed over communications to most efficiently and flexibly respond to abnormalities to reconfigure and restore service to end customers in commodity distribution systems in a manner to enhance the reconfigurability of the distribution system, e.g. circuit reconfiguration in an electrical power distribution system. Methodology is also provided to appropriately allocate system resources of the distribution system when so desired, e.g. to prevent the potential overloading of electrical power sources. In one illustrative arrangement, the methodology is characterized by resources at each node and communications of source allocation data or messages to other nodes to request and establish an appropriate allocation of system resources. In a preferred arrangement and especially useful for larger distribution systems, “teams” of nodes are defined in the distribution system having associated switching controls with the various teams communicating amongst each other to “negotiate” or work out the most efficient and expeditious reconfiguration of the system in response to fault conditions and other circuit abnormalities.