A system and method are disclosed for the automated discovery of devices on a network, such as a TCP/IP network using Dynamic Host Configuration Protocol (“DHCP”) and Domain Name System (“DNS”) servers. Devices on the network may be discovered, identified, and tracked by a monitoring server. Communications with the monitoring server may include identification information for each device. The identification information may be stored in DHCP option fields, transmitted with DHCP messages, and used to identify whether the device is new to the network.
A method and system for establishing a load model (120) that utilizes a measurement from a second monitor (140) to estimate a value taken by a first monitor (150). A base load value associated with a load (160) is collected. The load model (120) is applied to the base load value, yielding an estimated load value. The estimated load value is representative of at least one measured load value for the load (160).
G01R 21/00 - Arrangements for measuring electric power or power factor
G01F 11/30 - Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply and discharge valves of the lift or plug-lift type
A power meter having fault tolerance enhances the monitoring of electrical power by increasing the reliability of data output by the power meter having fault tolerance. The power meter having fault tolerance may enhance the monitoring process by transitioning from a faulty power monitoring device to a non-faulty power monitoring device without losing or corrupting power management data.
H05K 10/00 - Arrangements for improving the operating reliability of electronic equipment, e.g. by providing a similar stand-by unit
G01R 11/25 - Arrangements for indicating or signalling faults
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
4.
ENTERPRISE ENERGY MANAGEMENT SYSTEM WITH SOCIAL NETWORK APPROACH TO DATA ANALYSIS
A system for analyzing power management data by a community of users having a common interest is disclosed. Power management related data is collected from multiple sources and categorized. The power management data can then be manipulated and presented based at least on the categorization thereof.
A power meter having fault tolerance enhances the monitoring of electrical power by increasing the reliability of data output by the power meter having fault tolerance. The power meter having fault tolerance may enhance the monitoring process by transitioning from a faulty power monitoring device to a non-faulty power monitoring device without losing or corrupting power management data.
G08C 23/00 - Non-electric signal transmission systems, e.g. optical systems
G08C 15/06 - Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division
G08C 19/22 - Electric signal transmission systems in which transmission is by pulses by varying the duration of individual pulses
G08C 19/06 - Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage using variable inductance
G01R 1/00 - Details of instruments or arrangements of the types covered by groups or
G01R 7/00 - Instruments capable of converting two or more currents or voltages into a single mechanical displacement
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
6.
ENERGY MONITORING SYSTEM USING NETWORK MANAGEMENT PROTOCOLS
A system and method are disclosed for integrating an intelligent electronic device (IED) in a network management system. The IED may be configured to communicate using the network management protocol of the network management system. IED variables may be mapped to associated network management protocol variables to allow the network management system to access the IED variables using the network management protocol.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H04L 29/06 - Communication control; Communication processing characterised by a protocol
An alarm management system includes an alarm management system server (“alarm server”), one or more data sources, and one or more system users (and associated user devices), all of which can be communicably connected through a communications network. The system can be configured by defining the data sources and users, defining attributes, assigning and associating attribute values with the data sources and users, and defining alarm conditions in terms of attribute values and measurements. The data sources generate measurement data which is provided to the alarm server, and the alarm server evaluates the data to determine whether the alarm conditions have been met. A data set of data sources matching alarm conditions can be generated and reported to one or more of the users.
An alarm management system includes an alarm management system server ('alarm server'), one or more data sources, and one or more system users (and associated user devices), all of which can be communicably connected through a communications network. The system can be configured by defining the data sources and users, defining attributes, assigning and associating attribute values with the data sources and users, and defining alarm conditions in terms of attribute values and measurements. The data sources generate measurement data which is provided to the alarm server, and the alarm server evaluates the data to determine whether the alarm conditions have been met. A data set of data sources matching alarm conditions can be generated and reported to one or more of the users.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
G08B 21/00 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
A line device monitors at least one power parameter of an electric power line and produces at least one representation thereof. The at least one representation is communicated to a microprocessor based device. The representation is compared with a measurement of the at least one power parameter produced by legacy instrumentation.
A method, system and device for synchronizing a time period over which energy measurements are accumulated for an energy monitoring system including a plurality of energy monitoring devices is described. The method comprises transmitting a first radio frequency packet from a time reference device via at least a first and a second of the plurality of energy monitoring devices to a third of the plurality of energy monitoring devices. The method further comprises adjusting a time register within the third energy monitoring device based on the reception of the packet. The method further comprises accumulating a measure of energy consumption by the third energy monitoring device of a load coupled with the third energy monitoring device. The method further comprises transmitting the measure of energy consumption from the third energy monitoring device via at least a fourth and a fifth of the plurality of energy monitoring devices to a data aggregation device. The method further comprises identifying by the data aggregation device an aggregate measure of energy consumption consumed by the load over the time period.
A method, system and device for synchronizing a time period over which energy measurements are accumulated for an energy monitoring system including a plurality of energy monitoring devices is described. The method comprises transmitting a first radio frequency packet from a time reference device via at least a first and a second of the plurality of energy monitoring devices to a third of the plurality of energy monitoring devices. The method further comprises adjusting a time register within the third energy monitoring device based on the reception of the packet. The method further comprises accumulating a measure of energy consumption by the third energy monitoring device of a load coupled with the third energy monitoring device. The method further comprises transmitting the measure of energy consumption from the third energy monitoring device via at least a fourth and a fifth of the plurality of energy monitoring devices to a data aggregation device. The method further comprises identifying by the data aggregation device an aggregate measure of energy consumption consumed by the load over the time period.
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
G01R 22/10 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
12.
Revenue class power meter with frequency rejection
A power meter for measuring power parameters on one or more electrical power lines/loads is configured to include a revenue class metering module and a power quality metering module. The revenue class metering module and the power quality metering module may use the same measured voltage and current signals to generate revenue accurate power consumption information and power quality information, respectively. The power meter may also include a plurality of filters configured to attenuate high frequency signals included in the voltage and current signals. Each of the filters may be configured with a corner frequency, gain and signal propagation delay that is substantially equal. The filtered current and voltage signals may be received and processed by the revenue class metering module, and the power quality metering module to generate revenue accurate power consumption information and power quality information, respectively. Alternatively, the filtered current and voltage signals may be received and processed by the power quality metering module to generate power quality information, and unfiltered current and voltage signals may be received and processed by the revenue class metering module to generate revenue accurate power consumption information.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
13.
Multi-function intelligent electronic device with secure access
An intelligent electronic device with multiple functionalities that may include multiple secure accesses includes a sensor coupled with a processor. The sensor may sense electrical parameters in an electrical circuit and generate signals indicative of the electrical parameters for the processor. The processor may be configured to concurrently operate multiple intelligent electronic device functionalities. The intelligent electronic device functionalities may each include one or more functions. The functions within one of the intelligent electronic device functionalities may be mutually exclusive. Secure access to one or more of the intelligent electronic device functionalities may be enabled by entry of a user identification.
A sensor apparatus for measuring power parameters on a power conductor, such as a high voltage transmission line may include a corona structure, an electronics assembly and a conductor mountable device. The corona structure may define an outer boundary surrounding the electronics assembly and the conductor mountable device. The corona structure may shield the electronic assembly and conductor mountable device from a corona produceable with the power conductor. The conductor mountable device may be a power parameter measurement device, such as a current sensor assembly. The current sensor assembly may be a split-core design that includes multiple transformer cores. The electronics assembly and the conductor mountable device may powered from a line voltage suppliable on the power conductor. Data may be wirelessly transmitted and received with the sensor apparatus.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
Systems and methods for ensuring data integrity in a mesh network. A mesh network can include multiple RF devices. Transmitting quality data in or on the mesh network is improved using communication validation functions. The communication validation functions ensure a reliable communication network, preserve data during a network outage, and validate data. The communication validation functions can measure or control data quality within a communication and analysis network. The communication validation function operates to control data quality, for example, by measuring the quality of wireless links, ensuring the presence of redundant links, testing the ability of the mesh network to establish a backup communication path, generating alarms based on communication thresholds, tracking the communication path followed by communication packets, and identifying placement locations for additional RF devices.
Systems and methods for grouping mesh networks. Mesh networks enable energy data to be transferred from an energy sensing device to a destination device using various networks and reduces the need to install metering stations. Embodiments of the invention join or group mesh networks that otherwise are not able to communicate. The connections between the grouped mesh networks can be passive using directional antennas or passive antennas or active using higher power RF devices, solar repeaters, mobile mesh devices, etc. The energy data is routed in a smart manner, by performing load balancing at gateways, by monitoring the signal to noise ratio of available communication paths, etc. Mesh clusters can also be created to define low power clusters, address blocking clusters, and frequency based clusters. Grouping clusters facilitates the efficient transfer of energy data from an energy sensing device to a energy management station.
Systems and methods for monitoring power in a conductor. A flex circuit may include multiple layers including a voltage sensing layer, a coil layer, and a ground layer. The coil layer includes traces that form a coil structure around a conductor when the flex circuit is wrapped around the conductor. The coil layer generates a voltage that may be integrated to determine a current in the conductor. When the flex circuit is wrapped around the conductor, the voltage sensing layer is closest to the conductor. The voltage sensing layer forms a capacitor with the conductor. Using an adjustable capacitive voltage divider, the voltage of the conductor may be determined from a voltage signal received from the voltage sensing layer.
An energy measurement system including a radio frequency (“RF”) device powered by a solar panel. The RF device comprising a wireless communication port operative to transmit and receive communication over a wireless network of additional RF devices. The energy measurement system able to transmit energy parameters of the RF device over the wireless network.
A system and method for detecting and responding to device tampering in an Energy Management (“EM”) device is disclosed. The EM device is provided with mechanisms to detect and indicate unauthorized tampering with the device. Further, in response to detected unauthorized tampering, the device may take actions to protect the integrity of data generated by the device as well as protect any confidential data stored within the device. Such actions may include preventing further device operation, generating warnings to the device owner/user, marking subsequently generated data as suspect, destroying stored confidential data, etc.
G06F 12/14 - Protection against unauthorised use of memory
G06F 7/04 - Identity comparison, i.e. for like or unlike values
G06F 17/30 - Information retrieval; Database structures therefor
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
H04N 7/16 - Analogue secrecy systemsAnalogue subscription systems
G06F 1/26 - Power supply means, e.g. regulation thereof
An intelligent electronic device (IED) for monitoring at least one power parameter in a power system is disclosed. The IED comprises at least one voltage input operative to be coupled with at least one power line in the power system and operative to sense at least one voltage in the power system. The IED further comprises at least one current input operative to be coupled with the at least one power line and operative to sense a current flowing through the at least one power line. The IED further comprises at least one analog to digital converter coupled to the voltage input and the current input and operative to produce digital samples indicative of the voltage and current. The IED further comprises a processor coupled with the at least one analog to digital converter and operative to calculate the at least one power parameter. The IED further comprises a power supply operative to supply power to the IED. The IED further comprises a transceiver operative to communicate at least one data packet comprising the at least one power parameter via time domain pulses of RF energy occupying a wide range of frequencies and an antenna coupled with the transceiver operative to transmit the RF data packet.
H04M 1/00 - Substation equipment, e.g. for use by subscribers
H04B 1/38 - Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
G08C 19/16 - Electric signal transmission systems in which transmission is by pulses
G08C 19/04 - Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage using variable resistance
09 - Scientific and electric apparatus and instruments
Goods & Services
Enterprise energy management system consisting of hardware products, software products, and core program architecture designed for use by power utility, industrial, commercial and institutional companies to meter, monitor, record, display, analyze and control energy cost, quality and reliability.
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Enterprise energy management system consisting of multifunction digital metering devices and PC based software, designed for use by power utility, industrial, commercial and institutional companies to meter, monitor, record, display, analyze and control the quality, reliability and cost of energy.
09 - Scientific and electric apparatus and instruments
Goods & Services
supervisory control and data acquisition computer based system comprised of computer hardware and software which monitors power distribution systems, generation and transmission systems, and process control systems, located in institutional, commercial, industrial and power utility companies and which provide graphic status display, alarm annunciation, event recording, data logging and control capabilities
09 - Scientific and electric apparatus and instruments
Goods & Services
Supervisory control and data acquisition computer based system and software which monitors equipment consisting of power distribution, generation and transmission systems, and process control systems, located in institutional, commercial, industrial and power utility companies and which provides graphic status display, alarm annunciation, event recording, data logging and control capabilities.
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Supervisory control and data acquisition computer based system and software which monitors equipment consisting of power distribution, generation and transmission systems, and process control systems, located in institutional, commercial, industrial and power utility companies and which provides graphic status display, alarm annunciation, event recording, data logging and control capabilities.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Power monitoring systems namely multifunction digital devices and system software for measuring, monitoring and controlling electricity use; hardware and software for remote power monitoring. Custom configuration of power monitoring and control systems for institutional, commercial, industrial and power utility customers.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Power monitoring systems namely multifunction digital devices and system software for measuring, monitoring and controlling electricity use; hardware and software for remote power monitoring. (1) Custom configuration of power monitoring and control systems for institutional, commercial, industrial and power utility customers.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Power monitoring systems namely multifunction digital devices and system software for measuring, monitoring and controlling electricity use; hardware and software for remote power monitoring. (1) Custom configuration of power monitoring and control systems for institutional, commercial, industrial and power utility customers.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Intelligent electronic devices in software and in hardware form for measuring electrical energy generation, transmission, distribution and consumption activities and performance. (1) Measuring, recording, analysing and transmitting electrical energy consumption for others via the Internet.
09 - Scientific and electric apparatus and instruments
Goods & Services
Object oriented computer program used to transfer data and information from remote instrumentation, metering, control and protection devices to a central supervisory control and data acquisition system for monitoring, processing and automatically controlling the operations of power systems or process contol systems located in institutional, commercial, industrial and power utility companies.
09 - Scientific and electric apparatus and instruments
Goods & Services
object oriented computer program used to transfer data and information from remote instrumentation, metering, control and protection devices to a central supervisory control and data acquisition system for monitoring, processing and automatically controlling the operations of power systems or process control systems located in institutional, commercial, industrial and power utility companies
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Object oriented computer program architecture used to transfer data and information from remote instrumentation, metering, control and protection devices to a central supervisory control and data acquisition system for monitoring, processing and automatically controlling the operations of power systems or process control systems located in institutional, commercial, industrial and power utility companies.