Abstract: A power off delay circuit includes a switch connected between an external power input terminal and an internal power supply terminal, a capacitor connected to the internal power supply terminal, and a hysteresis comparator to switch the switch according to the voltages of the external power input terminal and the internal power supply terminal. During on-time of the switch, the external power input terminal is connected to the internal power supply terminal and the capacitor can be charged by the external power source. When the switch is off, the capacitor provides electric power for an internal circuit. Application of the power off delay circuit to an audio system may eliminate the turn-off pops of the audio system.

Abstract: A method is provided for measuring and modulating in real time the electrical consumption of electrical appliances. The method includes measuring in real time the current consumed by each of the electrical appliances on each electrical line portion on which each electrical appliance is situated and extracting the frequency and the voltage of the electrical signal on each electrical line portion. The difference in frequency are calculated and an alert signal is generated associated with an electrical line portion when the difference in frequency on this electrical line portion is greater than a predetermined frequency threshold value (fthreshold) and/or the difference in voltage on this electrical line portion is greater than a predetermined voltage threshold value (Vthreshold).

Abstract: This disclosure relates to systems, devices, protocols, and processes for retrieving, accessing, and presenting information of energy usage using a distributed storage process and distributed logical services to provide a user with real-time energy usage information and visualization.

Abstract: An intelligent electronic device (IED) having a gain control unit adapted to selectively regulate operating ranges of output signals of a sensing circuit of the device is described. In one embodiment, the IED is a digital electric power and energy meter, which operating ranges for supply voltages and supply currents of electrical services may be adjusted to match pre-determined ranges for input signals of a data acquisition system or a data processing module of the meter.

Abstract: Performing power quality and synchrophasor analysis on a resampled signal. A first signal may be initially received which corresponds to a power system. The first signal may have a plurality of cycles and may have a frequency that varies over time. One or more parameters may be determined from the first signal. Based on the one or more parameters, the first signal may be resampled to produce an even angle signal. Various power quality measurements may be performed on the even angle signal. Similarly, further processing may be performed to perform synchrophasor measurements, e.g., to determine phasor, frequency, and/or rate of frequency change for the first signal. In some embodiments, the resampling processing elements (e.g., circuitry, programmable hardware elements, processors and memories, etc.) may be shared between the two analysis.

Abstract: Devices, methods, and systems for occupancy detection are described herein. One device embodiment includes a memory and a processor coupled to the memory. The processor is configured to execute executable instructions stored in the memory to determine energy consumption data associated with a structure at a point in time, and determine whether the structure is occupied at the point in time based, at least in part, on the determined energy consumption data.

Abstract: An exemplary logging system and a method are for detecting, conditioning and presenting installation-specific and/or process-specific operator control actions, process reports, alarm reports, system events, installation parameters and digital text messages for a technical installation or a technical process. The logging system having at least one input apparatus that automatically converts audible and/or spoken information and information that is present in written form into digital text messages and provides the information, together with information relating to operator control actions, information relating to navigation steps performed and further text information that is present in digitized form, for a processing unit, that can automatically attribute timestamps.

Abstract: A method of communication of distributed devices handling electric energy with communication partners via the Internet includes programming rules in a server. The rules determine between which device and which communication partner a communication connection is to be mediated based on generic properties of the devices, generic properties of the communication partners and an initializing time-variable datum. The communication connection is a point to point, point to multi point or multi point to multi point connection via the internet. Data are transmitted from each device and each communication partner to the server via the Internet. These data include both a communication address and attributes indicative of the generic properties of the device or the communication partner, respectively. The communication connection is mediated between the device and the communication partner determined by the rules in response to a value of the initializing time-variable datum also defined by the rules.

Abstract: A communication network system includes a solid-state meter, an optical line terminal (“OLT”) based device, and a meter network management device. In one embodiment, the solid-state meter, which can be an electricity meter or a gas meter, provides a measurement, and has a serial communication interface. The OLT based device transfers the information between network devices via a communication network. The meter network management device, which may be an optical network terminal (“ONT”), is capable of communicating with the solid-state meter using the serial communication interface via an RS-232 port.

Abstract: A system, method and device for determining load profile of a power line conductor supplying power to a plurality of power customers is provided. In one embodiment the system includes an automated meter reading system configured to receive meter data including data of the power consumed by each of the plurality of power customers as measured by the power meters; a phase detection system configured to determine one of the plurality of power lines to which each of the power meters is electrically connected; a meter grouping system configured to determine groups of power meter that are commonly connected to the plurality of power line conductors; and a load profile system configured to determine a load profile for each group of power meters by combining the meter data from each meter of each group over a plurality of time periods.

Abstract: The subject disclosure provides systems and methods for recommending optimal consumption of a variety of resources that may be consumed by a consumer. A recommendation provided by the system may be based upon resource-consumption statistics gathered by a plurality of sensors, consumer's resource-consumption behavior, consumer-defined criteria, resource availability, and a cost of consumption. The recommendation may include a recommendation on how the consumer may lower resource consumption costs. The recommendation may further include optimal consumption considering consumption trends of a plurality of consumers living in a geographical proximity. The recommendation may include optimal usage of a consumer's vehicle such that the vehicle may consume the least amount of energy. The recommendation may further include offer(s) of credit/incentives by resource providers to consumers in exchange for less consumption of resource, alternative consumption of resources, and any combination thereof.

Abstract: The present disclosure enables comparison of an energy consuming propensity of each energy consumer with that of other energy consumers. To this end, energy usage information of each energy consumer and comparison conditions (size of house, the number of families, energy consuming regions) are collected, and energy consuming propensities of other energy consumers are compared with energy consuming propensity of each energy consumer similar in terms of living environment, and the comparison is shown. A variety of statistical information for comparison is provided through an IHD (In-Home Display) installed at each house, whereby the energy consumers can easily and conveniently evaluate his own energy consuming propensity. An objective evaluation of his or her position related to energy consumption of other energy consumers promotes more active energy conservation and more rational energy consumption by being stimulated by the energy consumption of other energy consumers.

Abstract: A remote water meter monitoring system is provided. A mesh network-type transceiver unit is coupled to a water meter housing having a water counting mechanism inside to transmit water consumption information as well as other sensor information, such as backflow detection, water pressure, and water metrics (e.g., residual chlorine and temperature) to a central server system via a bridge device and a corresponding mesh network. Mechanical energy from the water flowing through the water meter housing is converted to electrical energy via an energy conversion unit. An electrically powered shut off valve is remote addressable via the transceiver unit.

Abstract: Electrical distribution network (EDN) improvement method for plug-in electric vehicles receives and stores in a database EDN configuration information, demography information and load information for simulating load of the EDN assets. The method dynamically updates the EDN configuration, demography information and/or load information to provide an efficient and customizable method of simulating a PEV load impact on an EDN configuration and apply improvements to the EDN in real time.

Abstract: In accordance with one embodiment, a gateway node having a housing, a bracket mounted relay and wireless communication capabilities. The gateway node is connected to a pad mount transformer.

Abstract: A power management network system includes an advanced metering infrastructure (AMI) to communicate with a power supply source to receive power information and an energy management system (EMS) connectable to the AMI to control operations of home appliances on the basis of the power information. A first security table is in at least one of the AMI and the EMS, and the first security table has a security code to encode data with respect to the power information. A security reinforcement unit connectable to the AMI or the EMS includes a second security table to update the first security table.

Abstract: Electrical usage of devices in a building may be monitored to provide information about the operation of the devices to a user. The information communicated to a user may include historical information and real-time information. In determining the real-time information, it may be desired to provide the information quickly and use a smaller set of features that are available more quickly. In determining the historical information, it may be desired to provide more accurate information and use a larger set of features. A device may compute real-time information and historical information using different sets of features.

Abstract: A system to aggregate, filter, and share data for analysis receives first data from a first sensor, system, or server where the first data has a first protocol. The system samples the first data at a first sampling rate to generate first digital data, where the first sampling rate is substantially continuous. Further, the system transmits at a reporting rate that is decoupled from the first second sampling rate at least the first digital data over a network having a third protocol that is different from the first protocol. The network can be accessed by wired or wireless access and includes one or more servers in cloud configuration.

Abstract: A method for calculating efficiency of a power supply system includes: displaying a parameter selection interface on the display unit for selecting power supply parameters and transmission line parameters. Obtaining power supply parameters and transmission line parameters selected by the user via the parameter selection interface when determining the user has finished the selection. Determining a efficiency of a selected power supply of the power supply parameters according to the relationship table, and calculating a sum efficiency according to the obtained power supply parameters and the transmission line parameters and the efficiency of the selected power supply. And calculating a total efficiency of the power supply system according to each sum efficiency when determining that all of the power supplies of the power supply system have been selected.

Abstract: A method and device for polling a device such as a multifunction printing device. For example, the method includes sending a first polling request to a device to be polled after an elapsed first period of time, receiving a first polling response from the polled device, determining a mode the polled device is operating in based upon the first polling response, and if the polled device is operating in a high power state, sending a second polling request to the polled device after an elapsed second period of time. The method can further include receiving a second polling response from the polled device, determining a mode the polled device is currently operating in based upon the second polling response, and if the polled device is operating in a high power state, sending a third polling request to the polled device after an elapsed second period of time.

Abstract: A transformer connection phase determination device includes a processor that executes a procedure. The procedure includes: computing respective correlation values representing a correlation between current corresponding to power consumed by at least one consumer connected to a transformer connected to one phase corresponding to a combination of two of a plurality of power distribution lines, and line current flowing in each of the plurality of power distribution lines; and determining the phase the transformer is connected to based on the respective correlation values.

Abstract: A scalable and web-based demand response platform for optimization and management of Demand response resources are provided. The optimization and management are achieved by using a server, a program design module, a customer portal module, a forecasting optimization module, an event management module, an application programming interface, an analytics module for performing analysis for performing analysis of the data feeds. The said platform is offered to the users on software-as-a-service model.

Abstract: Power measurement by tracking of a voltage cycle when voltage and current measurements are taken at different locations on an AC power line, with the devices taking the measurements interconnected by an asynchronous data network. In general, a synchronization/timing message is sent from the voltage sensing side to the current sensing side, with the synchronization/timing message being transmitted at a predetermined point in the periodic voltage cycle. The receipt of the synchronization/timing message by the current sensing side may be used to re-synchronize an internal model of the voltage cycle maintained by the current sensing side to the measured voltage cycle. The predetermined point in the voltage cycle may be the zero-crossing point, or other point, of the voltage cycle.

Abstract: An energy management system in a smart grid environment includes: an electrical power producing apparatus for collecting and analyzing real time price information and electrical power production environment information inputted through a communication network interface to thereby determine a control of an electrical power production; a micro grid, connected to the electrical power producing apparatus, for supplying an electrical power in a local micro grid environment; an electrical power grid, connected to the micro grid, for supplying a main power; and an energy routing service apparatus for transmitting an electrical power and processing an energy information packet for a control of an electrical power flow.

Abstract: A material property testing device with capabilities of energy-consumption monitoring and environment detecting the device including a processing unit, which intercommunicates with the testing unit and the storage unit; the input end of the processing unit connects with an energy monitoring device and an environment detecting unit; the energy monitoring device is installed in a power supply module to monitor the electricity consumption conditions and sends the energy consumption data to the processing unit; the environment detecting unit adopts a detection sensor to detect the environment conditions and sends the environmental information to the processing unit.

Abstract: Disclosed herein are representative embodiments of methods, apparatus, and systems for distributing a resource (such as electricity) using a resource allocation system. In one exemplary embodiment, a plurality of requests for electricity are received from a plurality of end-use consumers. The requests indicate a requested quantity of electricity and a consumer-requested index value indicative of a maximum price a respective end-use consumer will pay for the requested quantity of electricity. A plurality of offers for supplying electricity are received from a plurality of resource suppliers. The offers indicate an offered quantity of electricity and a supplier-requested index value indicative of a minimum price for which a respective supplier will produce the offered quantity of electricity. A dispatched index value is computed at which electricity is to be supplied based at least in part on the consumer-requested index values and the supplier-requested index values.

Abstract: Testing of electric vehicle charging stations (EVCS) is performed using a device operable in either or both an active mode and a passive mode. In an active mode, the device provides or is connected with a programmable load capable of emulating the load of an electrical vehicle (EV). In passive mode, the load is an EV with the device being arranged in series between the EVCS and EV. In either case, energy delivery from the EVCS to the load is monitored by the device to determine energy measurement and billing accuracy of the EVCS. This enables a comparison to be made between a measured value of energy delivered and a metered value of energy delivered as given by the EVCS. Other measurements and safety tests may also be performed by the device.

Abstract: A system to aggregate, filter, and share energy data for analysis receives first data associated with a first electrical circuit where the first data has a first protocol. The system samples the first data at a first sampling rate to generate first digital data where the first sampling rate is substantially continuous. Further, the system transmits at a reporting rate that is decoupled from the first sampling rate at least the first digital data over a network having a third protocol that is different from the first protocol. The network can be accessed by wired or wireless access and includes one or more servers in cloud configuration.

Abstract: A system and method for managing power in a vehicle is provided herein. The vehicle includes a battery, an electric motor, and a plurality of electric devices. The electric motor is operable to drive the vehicle. The battery provides power to the electric motor and each of the electric devices. A first sensor is operable to detect the amount of power each of the electric devices is consuming and a display is operable to provide the power consumption for each of the electric devices and the battery power. Accordingly, the user is able to identify and manage how the battery's power is being distributed during the operation of the vehicle.

Abstract: A display is estimating every day working time of a worker involved in a load based on power consumption data in which electricity supplied to the load is measured in a certain period; calculating power consumption of the load during working time a day to calculate an average of the power consumption in a predetermined period; and calculating estimated daily power saving for every day based on a difference between maximum power during working time a day and power for each of the time, in which an index in which a proportion of the daily estimated power saving to a sum of the estimated electric saving and the power consumption serves as a parameter while a proportion of the power consumption a day to an average of the power consumption in a predetermined period serves as another parameter is displayed with the measured power consumption for each of the time.

Abstract: This disclosure relates to systems, devices, protocols, and processes for retrieving, accessing, and presenting information of energy usage using a distributed storage process and distributed logical services to provide a user with real-time energy usage information and visualization.

Abstract: Techniques and a system for creating a vendor independent computer language and compiling the language into an architecture specification language allowing for taking a source data stream (file, WSDL, XML) and passing thru a language parser, populating a storage medium with a plurality of technical inputs and vendor technical specifications for generic technologies and probable technologies required for desired architectures generated by the language parser, and optimizing the inputs and creating relationships between technologies and groups of technologies and storing results in the storage medium.

Abstract: Certain embodiments of the invention may include systems, methods, and apparatus for estimating power time of use. According to an example embodiment of the invention, a method is provided for synchronizing local system time with a network clock for estimating power time of use. The method includes storing power usage data and initial time stamps, wherein the initial time stamps are derived from one or more of a local clock or broadcast network time; receiving data comprising network time; adjusting the local system time with a PID loop, wherein the PID loop adjusts the local system time based at least in part on a difference between the local clock and the received network time; storing, with the power usage data and initial time stamps, an indicator when the difference is greater than a predetermined value; and determining synchronization when the difference is less than or equal to a predetermined value.

Abstract: A remote water meter monitoring system is provided. A mesh network-type transceiver unit is coupled to a water meter housing having a water counting mechanism inside to transmit water consumption information as well as other sensor information, such as backflow detection, water pressure, and water metrics (e.g., residual chlorine and temperature) to a central server system via a bridge device and a corresponding mesh network. Mechanical energy from the water flowing through the water meter housing is converted to electrical energy via an energy conversion unit. An electrically powered shut off valve is remote addressable via the transceiver unit.

Abstract: A method for configuring an electricity system including providing a first programmable electronic device, providing a further programmable electronic device adapted to communicate with the first programmable electronic device and configurable according to a first communication configuration mode which is dynamic or a static, providing a first configuration description file defining communications between the first and further programmable electronic devices according to a second communication configuration mode opposite to the first mode, and processing via computer the first file to convert it into a converted configuration description file defining communications configuration between the first and further programmable electronic devices according to the first mode.

Abstract: According to one aspect, a method of providing utility usage information to a user includes automatically receiving at a host system utility usage data collected by a plurality of utility meters at a user site, processing the received utility usage data, storing the processed utility usage data in a database, and reporting utility usage information based on the utility data, via a reporting interface, based on one or more interactive selections received from a user. The plurality of utility meters includes a plurality of different types of utility meters. The host system is at a location remote from the user site. A first portion of the utility usage data is received via a first communications network and a second portion of the utility usage data is received via a second communications network. The first communications network is different from the second communications network.

Abstract: A multi-dimensional energy control system is provided with an energy management software application that organizes the consumption of energy by a device as an n-dimensional energy space, where n is an integer greater than 2, and each axis in the energy space represents an energy consumption characteristic. The energy management application generates instructions for a device in response to calculating a compromise operating point in the energy space. A user interface (UI) connected to the energy management application has a display to receive a graphical representation of the energy space and compromise operating point, and an input to receive user commands for moving the represented compromise operating point in the represented energy space. The energy management application calculates the compromise operating point in the energy space to match the displayed compromise operating point.

Abstract: A light performance monitoring device and optionally integrated controller includes a monitor module that directly monitors energy usage of at least one energy load to generate at least one measurement of energy usage; a storage module stores a series of baseline values of energy usage of the energy load, a comparator module compares energy measurements made at predetermined intervals with the baseline values, and a notification module notifies a designated recipient that there is a deviation from the baseline values consistent with a burned out or non-operational light fixture, including but not limited to light bulbs or ballast devices. A control module optionally integrated with the light performance monitoring device can be operatively coupled to the monitor module to control energy usage by the at least one energy load via a data link in a pre-determined manner that is based on the at least one measurement of energy usage.

Abstract: This disclosure relates to systems, devices, protocols, and processes for retrieving, accessing, and presenting information of energy usage using a distributed storage process and distributed logical services to provide a user with real-time energy usage information and visualization.

Abstract: A system for disaggregating a gross energy measurement into individual component energy consumption. A collection of components may be situated in a facility. A sensor may obtain electrical signals from one or more power input lines which convey power to the facility for the components. The signals may indicate the total energy consumption by the collection of components. Approaches and/or mechanisms may be used to disaggregate the indication of total energy consumption into indications of individual energy consumption by the components without the need for separately determining the individual energy consumption with additional measurements or instrumentation. Also, approaches and/or mechanisms may be used for integrating a known load activity with whole facility energy consumption for enhancing the component disaggregation. Indications of individual energy consumption permit a reasonable evaluation of components from efficiency, conservation and/or other perspectives.

Abstract: A power management module electrically coupled between an AC/DC switching power supply and an electronic apparatus comprises a memory device, voltage and current detecting units, a writing unit, and an alarm signal generation unit. The memory device generates an output data to the electronic apparatus. The voltage and current detecting units detect voltages and currents of the output terminals of the switching power supply, respectively. The writing unit writes a new input data and the voltage and current data to the memory. The alarm signal generation unit generates an alarm signal to the electronic apparatus according to the data stored in the memory device and according to the operation condition of the switching power supply.

Abstract: Improvements in a system to connect and multiplex sensor signals that connects and multiplexes sensor signals is disclosed. The number of plug connections may line up and match the number of circuit breakers on one side of a panel. The device installs on panel board configurations to gathers precise power information for amps, volts, power factor, watts and kWh—and provides utility-grade data on each branch circuit metering. Up to 4 panel board strips per units of 4, 8 or 21 can be connected together to monitor 120 circuits. The system is adaptable to three phase monitoring and ground fault measurement and monitoring which is not conveniently provided by existing hard wired systems. The number of plug connections may line up with and match the number of circuit breakers on one side of the panel.

Abstract: A method for regenerating switching plans based on changing power distribution network conditions includes updating a power distribution network model in response to a power distribution network event, identifying areas of the power distribution network affected by the power distribution network event, identifying switching plans that are impacted by the power distribution network event and regenerating the switching plans that are impacted by the power distribution network event.

Abstract: An efficiency monitor for monitoring the efficiency of power transmission by an inductive power outlet. The efficiency monitor includes an input power monitor, for measuring the input power delivered to the primary coil, and an output power monitor, for measuring the output power received by the secondary coil. The input and output powers are used by a processor to determine an index of power-loss. A circuit breaker may be used to disconnect the inductive power outlet in case of excessive power loss.

Abstract: The invention broadly encompasses a system including a communications network, a plurality of remotely located data sources to provide power data, the power data including quantitative and qualitative data of one or more power generation units, and a performance monitor in communication with the plurality of remotely located data sources through the communications network, the performance monitor including a communications unit to extract the power data from the plurality of remotely located data sources, a data conversion unit to transform the power data into a common data format, a data store to store the transformed power data, and a user interface unit to display the transformed power data on one or more client devices through the communications network.

Abstract: There are provided a switching-device remaining lifetime diagnosis method and a switching-device remaining lifetime diagnosis apparatus, wherein as status amount history data, there are accumulated status amounts related to a deterioration status of a switching device, estimated based on measurement data obtained through measurement of performance characteristics of the switching device; based on the accumulated status amount history data, there are created a plurality of system data pieces in which the status amounts are arranged with the respective abscissas of an elapsed time during an operation period of the switching device, the number of operations of the switching device, an inoperative time of the switching device, and an accumulated operation time of the switching device; based on the created system data pieces, the remaining lifetime of the switching device is estimated.

Abstract: A system and method are provided for optimized decision-making in water supply networks and/or water supply operations. The system includes at least one central data processing device and a control system having at least one integration device. The system also includes at least one functional unit for identifying and/or processing status information affecting the respective network or operation.

Abstract: A home appliance can operate in a future time frame. Information is obtained from a power distributor in order to determine a time when to operate the home appliance in this future time frame. The home appliance then operates at the time determined with information from the power distributor.

Abstract: The invention relates to detection apparatus for detecting a partial discharge from live electrical apparatus, the detection apparatus comprising detection means (Pc) mounted on the live electrical apparatus (T) for the purpose of detecting the occurrence of at least one partial discharge, wherein said detection apparatus further comprises additional means (D1, D2, S) suitable for determining whether a detected partial discharge is internal or external relative to the live apparatus.

Abstract: An energy usage data visualization process includes receiving an energy data presentation request from a user, processing the energy data presentation request by the customer portal service module, and retrieving energy usage data associated with the energy data presentation request. The energy usage data is retrieved from a storage device, which is communicatively coupled to the customer portal service module. The service module produces a visual output based upon the presentation request and the retrieved energy usage data. The service module produces the visual output for presentation onto the display of the end user interface, by using an energy data visualization template of a template module application. The template module application is determined by the energy data presentation request, and is stored on the customer portal service module. The customer portal service module has a housing that is separate from the housing of the end user device.