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WO/1997/004321A1 |
In order to allow an electricity meter (1) to perform comprehensive self-monitoring of its measurement channels, it is proposed that the input signals, in particular the detected current and voltage signals (I1-I3 and U1-U3 respectively)...
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WO/1996/021264A2 |
An energy management and building automation system including a local area network or home automation data bus. Each load to be controlled is connected to the bus via a control module. A first microcomputer preferably is placed externall...
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WO/1996/010856A1 |
A graphics based display for use with an electronic circuit protection device is taught. Briefly stated, a utility-type electric meter or an electronic circuit protection device has incorporated therewith an LCD display which allows for ...
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WO/1995/034822A1 |
This invention relates to a magnetic card type watthour meter and its automatic calculating and controling system. According to the demand, the power supply department encode on the card that customer purchased the amount purchased power...
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WO/1995/019573A1 |
A process is described for the measurement of electricity consumption, that is specially suitable for small consumers, comprising the steps of continuously measuring consumer current, integrating said current with time to obtain a value ...
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WO/1994/019899A1 |
Instantaneous current and voltage values are digitized at each of a plurality of electrical utility customer sites (18) and integrated by a processor to calculate electrical power consumed at each customer site (18). A communication inte...
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WO/1994/016334A1 |
In a method for digitizing the voltage signal and current signal of an electronic watt-hour meter to calculate electric power by digital multiplication, the circuit has a small analog scale, signals are mainly digitally processed in the ...
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WO/1994/003818A1 |
A method and apparatus for rapidly and continuously sampling AC voltage and current signals in a plurality of power distribution circuits. The sampled signals are then analyzed in a sine board computer to derive the number of fundamental...
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WO/1993/024842A1 |
The present invention refers to a centralized system and process for measuring, registering, reading and billing data referring to electric energy consumption of a plurality of consumers (14-17), which receive the electric energy through...
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WO/1993/017345A1 |
Methods and apparatus for electronically displaying metered electrical energy are disclosed. A first processor (14) receives voltage and current signals and determines electrical energy. The first processor (14) generates an energy signa...
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WO/1993/017390A1 |
The meter includes a first processor (14) for determining electrical energy from voltage (12A, 12B, 12C) and current signals (18A, 18B, 18C) and for generating an energy signal (42, 44, 46, 48) representative of the electrical energy det...
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WO/1993/006499A1 |
Method for calibrating electronic power measuring meters of the type described in UK Patent Application No. 9120012.1. The method involves supplying unit power pulses from a meter standard to a supplementary data accumulating means (SDAM...
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WO/1993/004377A1 |
A method is disclosed for identifying the various equipment (loads) on an electric circuit by non-invasive measurements, i.e. not requiring installation of equipment other than a suitable electric meter, for determining the portion of to...
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WO/1993/004445A1 |
A meter reading arrangement has an optical fibre transmission path (3) made up of a pair of optical fibers (31) connecting between a meter (1) to be read and a meter interface unit (51). Light is transmitted over one of the fibres to ind...
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WO/1991/003740A1 |
A signal proportional to the load current is integrated during the positive (or negative) half-cycles of the supply voltage. Whenever the integrator (7) output crosses the boundary of two limits, a reference voltage (with the appropriate...
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WO/1990/008952A1 |
A sensor for measuring absorption of electromagnetic radiation (4) by a sample (3) comprising a heat conducting solid element (1) which is transparent to said radiation and is in thermal contact with a thermal detector (2) which measures...
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WO/1987/002782A1 |
A modular electronic demand register for an electric meter is enclosed in an insulating housing into which substantially all components are installable by drop-in, snap-together methods. A display (52) is dropped into the housing and con...
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WO/1987/002783A1 |
A memory programmer interface for an electronic demand register (46) includes conductive pads (154-166) on a circuit board (220) within a housing of the electronic demand register (46) and spring-pin connectors (168-180) which fit throug...
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WO/1986/003301A1 |
A static electricity meter has for each phase a signal conditioning circuit (10, 11 and 12) which detects the voltage and current and applies voltage pulses representing these quantities to a multiplexer (13), from which they are transfe...
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WO/1985/004724A1 |
An electronic demand register performs rolling demand metering in which a demand interval is divided into N subintervals. At the end of each subinterval, the demand data from the just-completed subinterval is summed with the demand in th...
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WO/1985/004723A1 |
An electronic register (46) for an electric meter includes a non-volatile storage (64) into which data is written upon the detection of an impending power outage. A sufficient quantity of electric energy is normally stored in a capacitor...
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WO/1985/004725A1 |
An electronic demand register (46) includes a processor (52) for calculating a demand in a demand subinterval. At the end of each demand subinterval, the calculated demand is summed with the demand in the preceding N-1 subintervals to de...
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WO/1981/001058A1 |
An electric power measuring apparatus including a power-current converter (1) for detecting the electric power of a line to be measured with respect to both the directions of one and the opposite, an integrator (3) receiving the output o...
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JP7484500B2 |
To provide a technique which enables a plurality of external IF to be integrated into one device while reducing the size of a power measurement device.A power measurement device for measuring power supplied from a power line comprises: a...
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JP2024060935A |
The present invention provides a technology that allows users to easily compare power consumption amounts of injection molding arbitrarily set. A display device displays a display screen having injection molding information. The display ...
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JP2024060934A |
The present invention provides a technology that allows a user to easily recognize the settings of injection molding and the amount of power consumed according to the settings. A display device displays a display screen having injection ...
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JP7467495B2 |
Certain aspects and features include a system and method for validating fundamental-only power measurements. A meter testing application calculates an expected registration for a meter under test by comparing a fundamental demand indicat...
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JP7462443B2 |
To prevent short-circuiting between terminals of different polarities in a terminal unit even in the case where the terminal unit is mounted in any attitude to a measurement unit.In a watt-hour meter comprising a terminal unit in which a...
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JP7458421B2 |
A meter collar includes a connection path to form an electrical connection between a distributed energy resource (DER) meter and line voltage wirings of an electric distribution system and a second connection path to form an electrical c...
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JP2024034225A |
An object of the present invention is to provide a watthour meter that can detect incorrect wiring without information on load current when installed to connect a single-phase, two-wire power distribution system. [Solution] Two conductor...
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JP7437844B2 |
To support multiple different rated currents.A housing base (2) in which multiple terminal units (3) with different rated currents can be selectively attached to and detached from the housing base, includes; multiple regulating pieces (2...
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JP7437843B2 |
To increase the work efficiency when assembling an electricity meter.In a housing structure of an electricity meter (1) including: a housing base (2) for storing a measurement circuit for measuring an electricity; and an upper cover (3) ...
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JP7431787B2 |
An advanced metering infrastructure (AMI) cartridge (30) includes an AMI cartridge housing (40) having an interior zone (48), and an AMI module system (66) supported within the interior zone (48) of the AMI cartridge module housing (40)....
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JP7421403B2 |
To provide a terminal device and electric power meter that can variably adjust the terminal pitches of four terminals independently and can thus accommodate different pitch spacing.A terminal device of the present invention comprises: a ...
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JP7419160B2 |
To provide an enclosure of a watthour meter that facilitates transportation and assembling work.An enclosure of a watthour meter consists of an upper case which has an opening at its bottom and a lower case which has an opening at its to...
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JP2024005391A |
An object of the present invention is to provide a power amount measuring device that can measure power amount with a simple configuration even by using a ground-connected current sensor and an insulated current sensor. [Solution] The sh...
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JP2023553493A |
The utility meter includes a rectifier configured to rectify an alternating current (AC) voltage from a power grid to produce a primary direct current (DC) voltage source and a primary hold-up circuit. The primary holdup circuit includes...
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JP2023160542A |
To provide an electronic watthour meter that can be safely and easily installed on site.An electronic watthour meter includes: a measuring unit that measures an amount of power supplied through a power line and consumed by a consumer; a ...
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JP7370164B2 |
To provide a current sensor and a watt-hour meter capable of detecting an abnormality due to heat generation with a simple configuration.A current sensor 10 includes: a current bar 2 where current to be detected flows; a magnetic detecti...
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JP2023155565A |
To provide a power consumption device identification method capable of identifying a device consuming power while reducing installation work and cost with a simple configuration for processing, and a power consumption device identificati...
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JP2023151527A |
To provide a measurement system capable of utilizing measurement results.A measurement system 1 includes a measuring unit, an acquisition unit, and an output unit. The measuring unit measures the power supply amount from a power supply u...
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JP7357586B2 |
To solve the problem that when there is snow cover on a photovoltaic power generation panel for more than a few days, the accuracy of forecasting an amount of photovoltaic power generation during snow cover is poor just by using forecast...
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JP7340819B2 |
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JP2023114024A |
To provide a watt-hour meter capable of improving opening/closing detection performance of a cover without impairing appearance and security performance.In a watt-hour meter comprising a metering device 1, a communication device 2, a met...
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JP7304525B2 |
To provide a power measurement device capable of easily identifying the cause of malfunctions.A power measurement device 10 includes: a control unit 23 that determines whether or not the power measurement device 10 has started to be used...
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JP7301014B2 |
To obtain a watt-hour meter with which it is possible to seal a cover that covers a portion of the watt-hour meter body without having to tighten the cover with a seal screw.A watt-hour meter 100 comprises: a watt-hour meter body 10 havi...
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JP7281390B2 |
To provide a watt-hour meter that eliminates the need for the work of attaching conductor connecting screws and improves workability.The watt-hour meter comprises a weighing device having a base 4A, a communication device provided with a...
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JP7281326B2 |
To provide a watt-hour meter which can detect the connection state of a terminal part with a power distribution line before using the meter.Provided is a watt-hour meter equipped with a terminal part constituted so as to connect a crimp ...
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JP2023521613A |
Techniques for hot socket detection are disclosed. In one example, a meter includes a current transformer with a secondary bifilar winding. A meter is in close proximity to the current coil. The secondary bifilar winding includes a first...
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JP2023520331A |
A utility meter includes a real-time clock (RTC), a supercapacitor, a power supply, and a set of photodiodes. The RTC clocks the time used for timestamps applicable to events occurring during alternating current (AC) power outages in uti...
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