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7612552 |
Electrical phase checking apparatus and method of metering
An electrical phase checking apparatus includes a first voltage sensor, a first current sensor, a first binary indicator corresponding to the first voltage and current sensors, a second voltage...
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7609051 |
Energy metering system
An energy consumption meter includes a first input for providing a first input signal derived from a voltage, a first analog-to-digital (A/D) converter electrically connected to the first input to...
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RE40889 |
Power metering module
A metering module for use in a power circuit monitoring system including a circuit monitor having a processor for processing data related to power signals, said metering module comprising at least...
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7563999 |
Front connected test switch
A test switch is provided having front and rear sides. The test switch includes a base to which a plurality of switch units are mounted. A row of upper terminals are removably mounted to the base,...
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7554320 |
Intelligent electronic device for providing broadband internet access
An intelligent electronic device for monitoring and determining an amount of electrical power usage by a consumer, or end user, and for providing broadband Internet access to the consumer. The...
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7548054 |
Integration methods for energy metering systems using a Rogowski coil
Devices and methods for accurately realizing the integration functions, in particular for energy metering systems using a Rogowski coil, are disclosed. In this regard, exemplary embodiments of the...
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7545135 |
Electrical service disconnect in a modular meter
An electricity meter coupled to a load, the load coupled to electrical power lines includes a sensor module having a sensor housing, voltage and current sensors secured within the sensor housing...
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7536577 |
Calibration technique for power measurement and management over multiple time frames
A calibration technique provides for precision calibration of system power measurement. The calibration technique uses a precision reference resistor and voltage reference controlled current source...
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7511472 |
Power measuring apparatus
A power measuring apparatus including a voltage transformer, a voltage-current measuring circuit, and an operation unit is provided. The voltage transformer converts an input voltage signal into an...
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7508190 |
Test pulses for enabling revenue testable panel meters
A panel meter including an energy test pulse device that enables the panel meter to be used for revenue applications and eliminates the need for two separate meters, one for panel indication, and...
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7504821 |
Auxiliary power supply for supplying power to additional functions within a meter
An electronic meter for measuring electricity consumption is provided that includes extra functionality without significantly increasing cost or complexity of the meter. The meter includes a...
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7504819 |
Dynamic line rating system with real-time tracking of conductor creep to establish the maximum allowable conductor loading as limited by clearance
Maximum transmission line or conductor loading of an overhead transmission line or conductor spanning two transmission line towers is determined by using a sensing device clamped to the overhead...
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7502698 |
Power consumption measuring device and power control system
A single-phase, 3-wire watthour meter which can measure power consumption, alter a contract capacity, control the stop/start of power supply/distribution, and easily update programs from a...
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7493222 |
High density metering system
A modular metering system comprises a data processing module, a current module and a voltage module. The current and voltage modules include sensor memories characterizing the respective current...
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7489122 |
Method and device for measuring voltage
A method measures a voltage at a point of a current distribution network via a measuring circuit. The measuring circuit contains a voltage transmitter which is coupled to a current-conducting...
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7474088 |
Power monitoring system
A power monitoring system with multiple sensors for electrical panels providing power through multiple electrical conductors. The power monitoring system preferably includes at least four sensors...
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7474087 |
Energy meter system and method for calibration
An energy meter device includes a first analog/digital transformer having an input configured to provide a signal derived from a voltage and a second analog/digital transformer having an input...
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7453267 |
Branch circuit monitor system
A branch circuit monitoring system includes a plurality of current sensor modules that are installable in a panelboard. Each of the current sensor modules may be associated with a respective one of...
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7417420 |
Switch to bypass optical diode for reducing power consumption of electrical meters
The invention contemplates an electrical power meter and method of operating the electrical power meter. The inventive power meter includes a power supply for converting alternating current (AC)...
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7417419 |
Method and arrangement for connecting electrical components in an electricity meter
A current coil arrangement in an electricity meter includes first and second current coils. The first current coil has two current blades and a middle portion extending therebetween. The two...
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7412338 |
Radio frequency device within an energy sensor system
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...
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7402993 |
Electrical profile monitoring system for detection of atypical consumption
Methods of detecting atypical patterns of usage of electricity, determined by monitoring consumption at the primary line, permit detection of grow-ops and unusual line losses due to defective...
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7388364 |
Device for covering the peak load
A device for covering the peak load of an electrical consumer (VB) that is connected to an alternating current terminal of a public electricity network (ENT). A power inverter (WR) is fed from a...
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7373844 |
Switch feel measurement apparatus
A measuring system that relate to the measurement of relatively small one degree of freedom mechanisms, such as pivoting and rotary switches, is disclosed. In particular end effectors and a kit for...
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7365528 |
Method and apparatus of voltage measurement using flying capacitor and switching circuits
The present invention is to provide a method and apparatus of voltage measurement with a high resolution. An apparatus of voltage measurement includes: a buffer circuit for separating a voltage...
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7362232 |
Electrical service disconnect having external interface
An arrangement is provided for use in an electrical utility meter that includes a metering unit, a service disconnect circuit, and a housing assembly. The service disconnect circuit has a connected...
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7359809 |
Electricity metering with a current transformer
The data storage and processing resources required for an electric meter are reduced by basing the selection and application of phase error correction on a root mean square load current flowing...
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7348769 |
Electricity meter with power supply load management
An electricity meter for monitoring electric power consumed from a service line is disclosed. The electricity meter includes a power consumption metering system for measuring the amount of power...
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7336065 |
Energy device with an extended dynamic range on current readings
Systems and methods are disclosed for accurately measuring delivered or supplied electrical energy over an extended range of values. In one embodiment, a meter for monitoring the energy at a remote...
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7321227 |
Measuring electrical current flowing through a conductor
A current measurement device for measuring an electrical current, in particular in a contactless manner, in a current-carrying conductor, using a coil arrangement having a coil conductor and a...
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7315162 |
Reducing power consumption of electrical meters
The invention contemplates an electrical power meter and method of operating the electrical power meter. The inventive power meter includes a power supply for converting alternating current (AC)...
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7312602 |
Electrical meter with retractable leads
An electrical meter 10 comprises a housing 12 with a spool 14 rotatably mounted therein. A first lead cable 16 and a second lead cable 18 are wound upon the spool 14 . A wound spring 90...
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7304467 |
Circuit for simultaneous testing of electricity meters with interconnected current and voltage circuits
Circuit arrangement for simultaneous testing of electricity meters with interconnected current and voltage circuits comprising plurality of said meters having all voltage terminals associated with...
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7302752 |
Method of manufacturing an extended test switch
A method of making and using an extended test switch starting with a previously existing un-extended test switch that is ready for connection to electrical devices to be tested. A housing selected...
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7298134 |
Electrical-energy meter adaptable for optical communication with various external devices
An example embodiment of an electrical-energy meter comprises a transformer for producing an electrical output proportional to an electrical current in a conductor of electrical energy, a circuit...
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7294997 |
Electrical meter system with color coding features
A communication system between a plurality of electrical loads and at least one electrical measurement device is configured with a plurality of wires grouped in pairs. Each pair of wires is...
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7285947 |
Power metering using current-indicative signal
A power meter receives an output-voltage and a current-indicative signal generated by at least one power supply of an electronic system. The output voltage powers at least one electronic component...
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7274305 |
Electrical utility communications and control system
A system for managing collection of data and remote operation of fielded remote units is disclosed. The remote units may be incorporated in automatic meter reading systems, capacitor bank switching...
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7274206 |
Output power detection circuit
A detection circuit for detecting the output power of a power amplifier comprises a first current minor transistor (Ti 1 ) having a base, which is connectable to a power transistor (T 10 ), and a...
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7274187 |
Electrical-energy meter
A presently-preferred embodiment of an electrical-energy meter comprises a base adapted to be mounted on a supporting surface, a current sensor assembly comprising a plurality of contact blades...
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7265532 |
Electronic electricity meter and method of assembly
An electronic residential electricity meter includes a base assembly having a main body with a current transformer mounted thereto. A first conductor is mounted through a window of the current...
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7259547 |
System and method to use dynamic feedback of analog to digital converter sample rate to adaptively lock the sample rate to input frequency
A system and method for dynamically lock the sample rate of an analog to digital (ADC) converter to an input frequency. Specifically, a system for measuring power is disclosed. The system includes...
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7253605 |
Configurable utility meter connection interface
A configurable buss element for an electricity meter includes a conductive piece of metal formed into a series of contact connectors and a network of elongate conductors extending between and among...
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7236897 |
Group metering system for power meters
A group metering method (and system) for monitoring electrical energy consumption by a plurality of proximate users replaces multiple individual user-meters by a single electronic meter. A single...
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7227350 |
Bias technique for electric utility meter
The invention contemplates an electrical power meter and method of operating the same, where the meter has electronic components (e.g., a power supply and a voltage sensing circuit) and receives...
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7221145 |
Simplified power monitoring system for electrical panels
A power monitoring system for electrical panels providing multi-phase power, with multiple current sensors. The disclosed power monitoring system preferably determines the instantaneous power...
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7216108 |
Transferable meter licenses using smartcard technology
A metering system is provided including a smartcard reader and peripheral computer in communication with a metering apparatus. A smartcard with memory, microprocessor, and license counter may then...
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7180282 |
Apparatus for metering at least one type of electrical power over a predetermined range of service voltages
Methods and apparatus for supplying power for use in metering electrical energy over a wide range of voltages with a single meter are disclosed. The wide ranging meter includes a processing unit...
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7176674 |
Measurement of energy by means of a frequency converter
A method and system for the measurement of energy in an alternating-current motor drive containing a frequency converter or an equivalent stepless rotational speed regulator provided with...
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7167804 |
Utility meter having programmable pulse output
An apparatus for measuring energy consumption includes an input circuit and a processing circuit. The input circuit is operable to generate a first digital signal representative of a line voltage...
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