Abstract: A processing machine processes a work and repeats processes on the work, thereby consuming energy. Within the consumed energy, room for improvement is computed by an energy monitoring device and is referred to as an amount of energy that can be improved. An energy monitoring device includes a power data acquirer that acquires a time-series power data measured by a power meter, a cycle detector that detects a single-cycle power data from the power data acquired by the acquirer, a divider that divides the single-cycle power data detected by the detector into an added-value creating portion and an unproductive portion, and a computing unit that computes an amount of energy consumed in the unproductive portion divided by the divider and defines it as the amount of energy to be improved.

Abstract: A monitoring system capable of being operationalized. Power consumption in electrical devices is monitored by the use of new and innovative consumption power monitoring device in accordance with the present invention. Power consumption information is collected by an intelligent power hub that is communicatively coupled to a remote server that presents overall power usage displays. A method of operationalizing a power usage monitoring system comprises powering up an energy pump device when the energy pump device is plugged into a first power socket, setting the energy pump device automatically to a SET mode to acquire new monitoring devices, and discovering the presence of a power consumption monitoring device.

Abstract: A method for computer-assisted determination of usage of electrical energy produced by a power generation plant such as a renewable power generation plant is provided. The method uses a plurality of neural networks having a different structure or being learned differently for calculating future energy amounts produced by a power generation plant. To do so, the energy outputs of the power generation plant forecasted by the plurality of the neural networks are used to build histograms. Based on the histograms, energy amounts for different confidence levels describing the likelihood of the availability of the energy amount are determined, and different uses are assigned to different energy amounts. Energy amounts having a higher likelihood of availability in the future are sold at higher prices than other energy amounts.

Abstract: A method and system for detecting an appliance based on users' feedback information, particularly a nonintrusive load monitoring method and system based on a user's feedback information and a joint strategic decision search algorithm are disclosed. By means of obtaining the users' feedback information on an appliance inputted by users or a search result of the appliances being confirmed by the users to generate a mapping between the model of the appliances and at least one load signature of each model of appliances; the users' feedback information is recorded into a smart meter or a cloud computing system, and a mathematical analysis is further used to compute an occurrence of any one signature of the appliance and the identification rate of each signature; then the joint strategic decision search algorithm automatically identifies various models of appliances and analyzes the operating states of the electric appliances in homes or offices.

Abstract: An energy management system includes a controller that receives a signal representative of current electrical generation. A storage source stores energy from the current electrical generation associated with the controller. The controller predicts the amount of storage of energy in said storage source over time, receives pricing information, includes a model of a temperature system of a building, and includes a comfort model of a user. The controller selects a desirable temperature based upon the current electrical generation, the stored energy, the pricing information, the building model, and the comfort model.

Abstract: A power consumption display unit for a machine tool includes: machining state determining means for determining, when a main power switch used to supply power to a machine tool is ON, whether the machine tool is in a machining state where a machining program is executed to machine a workpiece or in a non-machining state where the machining program is not executed; power consumption measuring means for measuring a power consumption of the machine tool during a period where the machine tool is determined to be in the non-machining state by the machining state determining means; and display means for displaying the power consumption measured by the power consumption measuring means.

Abstract: A data processing apparatus includes an input unit configured to input a job to be executed by the data processing apparatus, a processing unit configured to process the job input by the input unit, a power measurement unit configured to make power measurement of the data processing apparatus, and a storage unit configured to store a measurement time of the power consumption by the power measurement unit.

Abstract: System and method for determining consumption of resources to assist a meter reading personnel are described. According to an embodiment, the system includes a processor and an extraction module coupled to the processor configured to extract historical data associated with a meter to be read. The system further includes a prediction module coupled to the processor configured to determine a predicted resource consumption for a current cycle based on the historical data and provide the predicted meter reading to a display device corresponding to a meter reading personnel. Furthermore, the system includes a computation module coupled to the processor configured to determine an actual resource consumption for the current cycle based on an analysis of an observed resource consumption of the current cycle with respect to the predicted resource consumption.

Abstract: Example embodiments relate to providing visual analytics of spatial time series data. In example embodiments, sensors may be located at regions within a building for collecting sensor data at regular time intervals. A sensor hierarchy can be generated including sensor nodes that are hierarchically arranged according to a physical infrastructure of the building, where each of the sensor nodes corresponds to a sensor. Sensor data can be obtained from the sensors, and a pixel calendar tree can be generated based on the sensor data and the sensor hierarchy, where the pixel calendar tree is recursively subdivided into tree portions according to a proportion of the sensor data attributable to each of the sensors. The pixel calendar tree can be displayed, where each of the tree portions includes time series sensor data of a corresponding region that is generated based on the sensor data.

Abstract: A home site fuel monitor device in conjunction with a remote central site system to provide accurate fuel usage data used in planning fuel deliveries. The fuel monitor device is an internet based, compact, and low cost home heating site monitor device that is easily installed in the home heating site without modification to the home site's heating system. The monitor device includes a microprocessor which measures heating system run times using real time clock values. The microprocessor computes heating system fuel usage and the rate of fuel usage using heating system run times and heating burner parameters down loaded from the remote central site system. The monitor device continuously adjusts or recalibrates the rate of fuel usage defined as a burn coefficient value to coincide with the latest delivery information received from the central site system which results in increased accuracy over time.

Abstract: A device for measuring power consumption and performance relative to the environment of a power-consuming unit is disclosed. The device includes a data introduction module, a keyboard for inputting data of waste production in the power-consuming unit, a computing device, and a display screen. The computing device receives the data from the data introduction module and the keyboard. The computing device is also provided with a processor that includes a calculation algorithm of an ecological parameter indicative of the performance relative to the environment of the power-consuming unit. The ecological parameter is calculated as an adjusted mean of the sum of the deviations of each power consumption value with respect to a reference value.

Abstract: A method of estimating an input power of a motor comprises determining an output power of the motor; determining a speed of the motor; calculating a scaling factor as a function of the speed of the motor; and estimating the input power as a function of the scaling factor and the output power.

Abstract: A monitoring system and method for monitoring performance of individual powers sources in a distributed power source system. A monitoring module is coupled to each of the power sources, or to each string of serially connected power sources, to monitor and collect data regarding current, voltage, temperature and other environmental factors at the power source. The collected data is transmitted over a power line to a central analysis station for analysis. Data collected from each source indicates malfunction or degradation at the source. Comparison of data collected from adjacent sources filters for environmental factors impacting neighboring sources such as cloudy days for a solar panel. Comparison of data collected from the same source at different times indicates soiling or degradation of the source with time or periodic events such as a moving shade from an adjacent building.

Abstract: Methods and systems for measuring and/or managing power consumption by power units connected to an electricity distribution network are disclosed. Power flow to and/or from a power unit connected to an electricity distribution network is controlled in accordance with a control sequence, such that the consumption and/or provision of power by the power unit results in a power flow having a predefined flow pattern, and having a characteristic, such as an amplitude, which can be remotely measured. This measurement may be performed using a method in which a signal indicative of power flowing at a measurement node is measured and correlated with a predefined pattern, and a characteristic of the correlated signal is measured. Thus, power flow characteristics resulting from a group of one or more power flow devices can be remotely detected and measured.

Abstract: A method for generating a value for available operating reserve for electric utility. Electric power consumption by at least one device is determined during at least one period of time to produce power consumption data, stored in a repository. Prior to a control event for power reduction and under an assumption that it is not to occur, power consumption behavior expected of the device(s) is determined for a time period during which the control event is expected to occur based on stored power consumption data. Additionally, prior to the control event, projected energy savings resulting from the control event, and associated with a power supply value (PSV) are determined based on devices' power consumption behavior. Amount of available operating reserve is determined based on projected energy savings.

Abstract: A power consumption distribution calculator uses a predicted outdoor temperature sequence of the customer house for a prediction period at a first date from a first time to a second time, and identifies dates having a sequence part similar to the predicted outdoor temperature sequence in the prediction period, identifies power consumption sequences corresponding to identified dates, and calculate a statistical distribution or a representative value of identified power consumption sequences for a whole period from a third time to the second time, the third time being earlier than the first time. A power consumption predicting unit calculates a predicted power consumption sequence in the prediction period based on the statistical distribution or the representative value. A reserve capacity calculating unit calculates reserve capacity being a difference between a predicted power consumption sequence and a sequence part in the prediction period of the reference power consumption sequence.

Abstract: A method for accurately performing power estimation on a battery of an electronic device includes: monitoring a charging current of the battery to obtain charging current data of the charging current with respect to time; and performing curve mapping according to the charging current data and according to a plurality of sets of predetermined curve characteristic data, in order to determine an estimation parameter corresponding to one of a plurality of predetermined cycle counts, wherein the estimation parameter is utilized for performing power estimation, and the sets of predetermined curve characteristic data respectively correspond to the predetermined cycle counts, which represent estimated ages of the battery, respectively. At least one associated apparatus is also provided.

Abstract: A method and apparatus for storing data regarding parameter values by making a series of measurements of parameter values at times separated by predetermined time intervals, processing the series of measurements of parameter values made at predetermined time intervals to identify events at different times, generating a further series of measurements of parameter values at each of said different times, and storing each of said further series of measurements of parameter values in association with said respective different time.

Abstract: An apparatus and method for monitoring power consumption of an appliance includes a processor in communication with a memory, the memory including program instructions for execution by the processor to determine a first stable power consumption state of the appliance, record a power consumption of the appliance during the first stable power consumption state, determine an unstable power consumption state of the appliance, suspend recording of the power consumption of the appliance during the unstable state, determine a second stable power consumption state of the appliance, resume recording of the power consumption of the appliance when the appliance is in the second stable power consumption state, and estimate a value of a power consumed during the unstable power consumption state as a factor of the recorded power consumption of the appliance during the first stable power consumption state and the second stable power consumption power state.

Abstract: For determining a power consumption of electrical circuitry, at least one device executes at least a portion of a software application having an effect on a current through the electrical circuitry. A current is generated through a transistor for mirroring the current through the electrical circuitry. In response to a control word, a reference current is generated. In response to executing the portion of the software application, the control word is varied to determine a value thereof that causes the reference current to approximately equal the current through the transistor, in a manner that correlates the effect of the portion of the software application on the current through the electrical circuitry.

Abstract: A method for storing information within a utility meter includes generating in a processing circuit first information regarding a metered quantity delivered to a load corresponding to a first period of time. The method also includes obtaining a first value associated with one of a plurality of predetermined ranges of values in which the first information falls. The method further includes generating in a processing circuit a second value representative of a numerical position of the first information within the one of the plurality of predetermined ranges of values. The first value and the second value are stored in a memory.

Abstract: A method and device for extending the useful life of an energy storage device, for a mobile computing device is described. The method (150) can include the steps of: running (155) a first application in synchronous communication with a first application server; detecting (160) energy expenditure while running the first application; and synchronizing (165) a subsequent application based on the detected energy expenditure, by: continuing to communicate with the subsequent application if the detected energy expenditure is below a threshold, and discontinuing communication if the detected energy expenditure is above a threshold. Advantageously, this method can provide substantial energy savings in mobile computing device applications.

Abstract: An image forming apparatus has at least one measurement unit, disposed on a respective power-supply line extending from a first power source to a respective at least one operation module disposed in the image forming apparatus, configured to measure power consumption at the at least one operation module; and a power-saving unit configured to shut down the power supply from the first power source to the at least one operation module to set the image forming apparatus to a power-save mode, wherein the image forming apparatus is configured to shut down power supply to the at least one measurement unit, when the power-saving unit sets the image forming apparatus to the power-save mode.

Abstract: A motor drive device including a battery 10; switching elements 15 and 16 which are connected in series with a condenser C2 having a voltage Vdc resulting from an increase action of battery voltage and which are operated in a chopper control; a reactor L2 whose one end is connected with a common connection point of the switching elements 15 and 16; and an inverter 19 for driving a PM motor 20 which is connected between another end of the reactor L2 and a negative-pole terminal of the battery 10. In such a motor drive device, an electrical power W is determined based on the voltage Vdc of positive-side point P of the condenser C2, a current Idc flowing in the reactor L2, and a switching duty d1 of the switching element 15 which satisfies a condition of 0?d1?1, i.e., is determined by calculating Vdc·d1·Idc.

Abstract: A method for analyzing appliances in a power line network, comprises obtaining an electrical characteristic of the power line network, using a sensor that is connected to the power line network, and detecting an appliance connected to the power line network on the basis of the electrical characteristic of the power line network and a model profile. The model profile is based on electrical characteristics of one or more candidate appliances and on a configuration of the power line network.

Abstract: An identification system for power consumption of electric appliance has multiple electric appliances, each electric appliance having a dedicated identification transmission circuit connected to a power-connecting loop; multiple power sockets mounted within a power supply region, each power socket having at least one identification receiver for receiving identification transmission signals from the corresponding electric appliance and obtaining a corresponding identification code; multiple energy management units respectively mounted in the power sockets to connect with the corresponding identification receivers, recognize the respective electric appliances by determining the identification codes, and record power consumption information of the corresponding electric appliances; and an energy management server connected to the energy management units and the identification receivers to communicate therewith in a wired or wireless manner.

Abstract: A method and apparatus for carrying out noise reduction in data regarding parameter values including the steps of making a series of measurements of parameter values at times separated by predetermined time intervals, forming a plurality of successive measurements into an array of measurements, performing n successive wavelet transforms on the array of measurements to produce an array of coefficients, comparing the values of the array of coefficients to a threshold value and, selectively changing the values of the coefficients based on their relationship to the threshold, to produce an array of filtered coefficients, and performing n successive inverse wavelet transforms on the array of filtered coefficients to produce an array of filtered measurements.

Abstract: An apparatus has an input section arranged to receive values representative of the total instantaneous supply of electrical current as a function of time from an alternating voltage supply. Current waveforms comprising sets of values representative of the cyclic waveform of the electric current supply are obtained. A delta waveform generator calculates the difference between a current waveform and an earlier current waveform. An edge detector is arranged to detect an edge or edges in the delta waveform. An analysis section is arranged to identify at least one appliance load based at least on information on the edge or edges detected by the edge detector, and to determine the electrical energy consumed by said appliance load.

Abstract: A building's energy consumption may be modeled using weather data, utility billing data, or other data regarding the building. The resulting model data may be analyzed to detect a shift in the model data, which may indicate the presence of a fault condition. Changes to the model's coefficients that would result from an upgrade, energy conservation measure, or other action may also be used to predict the resulting Energy Star score for the building.

Abstract: An operation status determination device includes: a receiving unit which receives a value, as power consumption data, from which power consumption of an appliance is derivable, the power consumption being measured at predetermined time intervals; a specification unit which specifies operation start times of the appliance, based on the power consumption data received by the receiving unit; and a determination unit which determines whether or not the appliance starts operating automatically, based on each of occurrence frequencies of the operation start times specified by the specification unit.

Abstract: A method of and device for predicting the power consumption of a battery-powered mobile terminal (15) used for carrying out a sequence of user activities. Each user activity involves an interaction with the terminal and each user activity causes one or more terminal activities involving power consumption of the terminal. The method comprises the steps of: —determining (4), for each user activity, which terminal activities it causes, —carrying out (6) a series of user activities (2a, . . . , 2m), the terminal activities (Ia . . .

Abstract: Described herein are methods, systems, apparatuses and products for phase determination in an electricity grid. An aspect provides for determining phase for at least one electric grid device via receiving power consumption measurements derived from electricity grid devices connected in the electricity grid, comparing, over a series of time intervals, a total power consumed; and determining a phase for at least one electricity grid device.

Abstract: An apparatus for controlling power of sensor nodes based on estimation of power acquisition, includes: a self power acquisition unit acquiring self power; an internal sensing unit sensing power acquired from the self power acquisition unit and consumed power; a power cut-off unit cutting-off power for each component of the sensor nodes; and a microprocessor receiving information of acquired power and consumed power from the internal sensing unit to analyze a supply and demand of power, estimating the acquired power using annual meteorological statistics data and recent weather forecast data, controlling power for each component of the sensor nodes through the power cut-off unit according to the estimation of the acquired power, and controlling a sensing period and a communication period of the sensor nodes.

Abstract: In a composite machine provided with a copy mode and a print mode, an operation history of each operation mode is accurately timed and log information concerning an electric power of the composite machine for processing various jobs such as the copy mode and the print mode is prepared based on a timed value.

Abstract: A system and method for providing monitoring of industrial equipment is disclosed. In such a system and method, one or more sensor units may be configured to generate output signals conveying information regarding power conducted to the industrial equipment. One or more power parameters may be determined based on the sensor output signals. Abnormal operations of the industrial equipment may be determined based on the power parameters and alerts responsive to the abnormal operations may be generated. In some embodiments, information regarding a present operation of the industrial equipment may be received from a control system and/or monitoring system. In those embodiments, a fault or a likelihood of fault of the control system and/or the monitoring system may be determined.

Abstract: A method of placing PMUs for distribution networks having a plurality of nodes, the network comprising: a feeder line attached to a source at a source node and at least one node with a lateral branching from the node on the feeder line, the method comprising the steps of: placing a VPMU and CPMU directly after the source node; locating a next node downstream along the feeder line; and for the located next node, determining a type of node located, a type of line between the source node and the located next node and whether the located next node is an end node of the feeder line; wherein if the located next node is branching node, placing a CPMU on all laterals between the branching node and an end of the lateral; determining if any of the located next nodes are attached to a dispersed generator and placing a CPMU.

Abstract: Various embodiments are described herein for a system and method for estimating current consumption for an electronic device by obtaining log data comprising a record of at least some activities of the electronic device during a selected time period, parsing the log data into a plurality of component digests, estimating current consumption values for the component digests based on component signatures of the component digests, a current consumption model and a machine learning technique; and processing the estimated current consumption values to estimate current consumption data for the electronic device.

Abstract: A user device is configured to receive information that a display screen, of the user device, is turned on; and receive information that an application is initiated or used on the user device during a time period that commences based on the display screen being turned on. The user device is configured to determine an amount of power used by the display screen; determine power usage information that identifies a portion of the amount of power that is attributable to the application based on the application being initiated during the time period; and store the power usage information.

Abstract: 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 is provided for detecting theft and status of electrical power. The method can include monitoring switch state of a main circuit breaker, monitoring load-side voltage, monitoring load current, determining one or more conditions associated with power usage based at least in part on one or more of the monitored switch state, the monitored load-side voltage, or the monitored load current and transmitting information representing the one or more determined conditions.

Abstract: Provided is a method and system for updating of schedules to a device controlled by an energy management system.

Abstract: A method detects power theft in a branch of a distribution system by distinguishing between technical losses that are inevitable during the course of normal operation of the system, and non-technical losses that can be attributed to power theft. The method assumes a specific circuit corresponding to that branch, collects data for energy consumed and currents at regular intervals by means of a smart or traditional power meter, estimates the likely resistances of the lines connecting the consumption points to the distribution transformed by means of least squares regression, and uses the estimated resistances to predict technical losses in future time intervals. By comparing the total power losses measured during future intervals with the estimates of the technical losses, the amount of non-technical losses can be estimated, and theft can be signaled when this amount is unusually high.

Abstract: A method determines power consumption of a load in a feeder section of an ungrounded power distribution system. Borders of the feeder section are defined by an importing device connecting the feeder section to an upstream feeder section, and by at least one exporting device connecting the feeder section with a downstream feeder section. A power consumption of each load is represented as a product of a scaling factor and a base power defined by a load profile of the load. A power flow of the feeder section is solved using the power consumptions of the loads to produce an active power for each phase of the importing device. A target active power for each phase of the importing device is determined using measurements at the importing device, and the scaling factors are updated based on a difference between the active power and the target active power.

Abstract: Various embodiments are directed to systems and methods for optimizing energy use with one or more optimization engine objects. An optimization engine object may have a plurality of dependent objects including at least a dependent optimization engine object, or at least one of a supply-side or demand-side object. The optimization engine object may receive dependent object attribute data from each of the at least one dependent objects; determine an optimal configuration for the plurality of dependent objects over the first time period subject to at least one optimization constraint; and conditioned upon the optimization engine depending from a superior optimization engine, transmit a net energy usage associated with the optimal configuration to the superior optimization engine.

Abstract: A wireless sensor probe for use in environmental monitoring and control includes a separable probe body and sensor mast. The probe body includes a void configured to house the sensor mast including one or more sensor devices for sensing a soil property surrounding the probe body when the probe body is inserted partially into the ground. The probe body includes a probe top part for encapsulating the probe body and the sensor mast. The sensor mast is inserted into the probe body to form the sensor probe. In another embodiment, a wireless sensor probe includes a housing containing one or more sensor devices. The probe further includes a collar situated near a top portion of the housing being used to anchor the housing to the top of the ground and a gasket formed on the outside perimeter of the housing for securing the housing in the ground.

Abstract: According to an embodiment, a partial information generating device includes a receiver, a first generator, and a second generator. The receiver is configured to receive power usage amounts each collected for a unitary time by at least one power meter. The first generator is configured to generate a piece of first partial information from a range that is zero or more and less than a predetermined basal value for each of the power usage amounts. The second generator is configured to generate one or more pieces of auxiliary information and a piece of second partial information for the each of the power usage amounts, by using the each of the power usage amounts, the piece of first partial information, and the basal value.

Abstract: A server manages consumption of power supplied by utility or electric power grid operator(s) to multiple power consuming devices. Power flow to the consuming devices is enabled and disabled by controllable devices controlled by one or more client devices. The server includes a command processor, event manager, database, and client device manager. The command processor receives commands from the operator(s) and issues event messages responsive thereto. The event manager maintains a power management status for each client device and issues event instructions responsive to event messages. The database stores information relating to power consumed by the consuming devices. The client device manager selects from the database, responsive to receipt of a power reduction event instruction, client device(s) to which to issue a message indicating a power reduction amount and/or identification of at least one controllable device to be instructed to disable power flow to associated consuming devices.

Abstract: A power supply unit of an information handling system determines that a power consumption module of the information handling system is available. If the power consumption module is available, the power supply unit measures input power of the power supply unit and provides a representation of the input power to the power consumption module in response to receiving a power measurement request from the power consumption module. If the power supply unit determines that the power consumption module is not available, the power supply unit measures input power of the power supply unit and stores a representation of the input power at the power supply unit independent of a power measurement request from the power consumption module.

Abstract: A client device manages consumption of power supplied by an electric utility to multiple power consuming devices. Power flow to the power consuming devices is selectively enabled and disabled by one or more controllable devices controlled by the client device. The client device receives a power control message from a load management server. In one embodiment, the power control message indicates at least one of an amount of electric power to be reduced and an identification of at least one controllable device to be instructed to disable a flow of electric power to one or more associated power consuming devices. Responsive to the power control message, the client device issues a power management command or instruction to one or more controllable devices under the client device's control. The power management command causes the controllable device(s) to disable a flow of electric power to at least one associated power consuming device.

Abstract: Systems and methods dynamically assess energy efficiency by obtaining a minimum energy consumption of a system, receiving in a substantially continuous way a measurement of actual energy consumption of the system, and comparing the minimum energy consumption to the measurement of actual energy consumption to calculate a substantially continuous energy performance assessment. The system further provides at least one of a theoretical minimum energy consumption based at least in part on theoretical performance limits of system components, an achievable minimum energy consumption based at least in part on specifications for high energy efficient equivalents of the system components, and the designed minimum energy consumption based at least in part on specifications for the system components.

Abstract: Systems and methods dynamically assess energy efficiency by obtaining a minimum energy consumption of a system, receiving in a substantially continuous way a measurement of actual energy consumption of the system, and comparing the minimum energy consumption to the measurement of actual energy consumption to calculate a substantially continuous energy performance assessment. The system further provides at least one of a theoretical minimum energy consumption based at least in part on theoretical performance limits of system components, an achievable minimum energy consumption based at least in part on specifications for high energy efficient equivalents of the system components, and the designed minimum energy consumption based at least in part on specifications for the system components.