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JP5132468B2 |
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JP5134145B2 |
A distributed power generation system of the present invention is a distributed power generation system connected to a three-wire electric power system including first to third electric wires, the third electric wire being a neutral wire...
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JP2013015480A |
To enable a user to confirm connection of a current sensor and operation of a measuring circuit at a stage of an installation work without actually activating a device as a load.A power monitoring system equipped with a power measuring a...
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JP5128452B2 |
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JP5126523B2 |
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JP5127773B2 |
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JP5126017B2 |
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JP5126308B2 |
Used electric energy is collected while maintaining accuracy. Information to be displayed on a display 14 is generated in such a way that a gateway 4 processes a measured value (with a time stamp) transmitted from a power meter 2, an app...
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JP5121116B2 |
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JP5117914B2 |
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JP5113631B2 |
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JP5106495B2 |
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JP5106961B2 |
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JP5100333B2 |
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JP5100446B2 |
In a watt-hour meter, encoders 116, 117, 118 and 119 respectively convert a signal concerning a current and voltage used by a customer into a code sequence signal by Reed-Solomon codes or convolutional codes. Decoders 121, 122, 123, and ...
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JP5100332B2 |
An electricity meter capable of minimizing a risk of data destruction in case of lightning or surge that involves improperly high voltage is provided. The electricity meter includes a measurement part, an operation part, and an insulatio...
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JP5102569B2 |
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JP5100456B2 |
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JP5094073B2 |
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JP5098654B2 |
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JP2012242354A |
To provide a power measurement system enabling size-reduction of the system, and allowing master and slave units to measure power of different power systems.A power measurement system includes: a basic unit 11 including a voltage detecti...
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JP2012242219A |
To provide a power measurement device which can notify a user of an abnormality in a loading device by relatively simple structure.A power measurement device 1 comprises: a power measurement unit 11 for measuring power consumption of eac...
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JP2012235458A |
To provide methods and systems to disconnect a utility service on the basis of seismic activity.One aspect comprises a method. One embodiment of a method of disconnecting a utility service on the basis of seismic activity comprises recei...
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JP5084654B2 |
To provide a photovoltaic power generation display device which suppresses missing or breakage of a remote control and enhances convenience. The photovoltaic power generation display device 20B is provided in a photovoltaic power generat...
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JP5085751B2 |
According to one embodiment, an electronic apparatus includes a receiver, a generator, an output module, a reception module, and a controller. The receiver is configured to receive power information associated with power consumption of r...
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JP5081514B2 |
An inverter (5) for changing driving frequency of an AC motor and an arithmetic unit (26) for computing saved energy when the inverter is operated are used. The arithmetic unit (26) calculates inverter input power to the inverter (5) by ...
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JP2012220330A |
To provide a distributed power generating system capable of correcting deviation of zero point (offset value) in measured power by providing a signal inverting means that inverts the positive and negative of a current signal from a curre...
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JP5067748B2 |
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JP5068396B1 |
An electricity meter forms a wireless mesh network with one or more data collecting devices collecting electric energy data. The electricity meter includes a wireless communication unit (a wireless unit 51, a data-relay processing unit 5...
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JP2012205372A |
To appropriately manage power consumption of an electrical apparatus M used in household.An electrical apparatus Mb incapable of transmitting power consumption schedule information is connected to a power receptacle 30 through a communic...
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JP2012205432A |
To provide a load estimation method and a load estimation system for transformer that estimate the load on a transformer from an unspread bank of a high-function type power meter by utilizing a user having a high function type power mete...
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JP2012194608A |
To provide a server device which provides information about energy conservation as useful reference for a user.A server receives a retrieval command requesting to retrieve energy conservation information (S01), and by using power consump...
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JP2012194752A |
To provide a network system and a control method of a power sensor which enable the power sensor to turn on the light more efficiently.A controller 100 includes a communication interface 105 for communication with at least one power sens...
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JP5039580B2 |
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JP2012184985A |
To provide a dispersion type power generation system capable of correcting a deviation of zero-point (offset value) of a measurement power by interrupting a current input signal from a current sensor or interrupting a voltage input signa...
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JP5036474B2 |
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JP5037028B2 |
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JP2012181054A |
To provide an information output device capable of outputting guidance information at appropriate timing.An information output device comprises control means and output means. The control means executes first processing for outputting a ...
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JP5027281B2 |
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JP2012173149A |
To provide a power measuring device capable of reducing a user's feeling of strangeness about a sum/difference of measured values, and a power measuring system using the same.A power measuring device, which is used for a power supply sys...
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JP5016498B2 |
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JP2012163553A |
To obtain the characteristics of high harmonic frequency, by filtering high harmonic frequency distortion in an alternating current power distribution system.A filter 101 is configured to filter high harmonic frequency from an alternatin...
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JP2012163429A |
To provide an integrated current sensor at low cost, capable of measuring integrated current flowed through an electrical load (electrical component).An integrated current sensor comprises a semiconductor device S1 and a resistance measu...
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JP5010009B2 |
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JP5010110B2 |
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JP2012159342A |
To easily perform detachment work and connection work of a service entrance wire to connection parts of a terminal board included in a watt-hour meter.A connection tool 7 electrically connects a service entrance wire 4 to a plurality of ...
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JP5001051B2 |
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JP5003417B2 |
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JP4991340B2 |
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JP4990514B2 |
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