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WO/2004/040731A1 |
A methodology and related system apparatus is provided for using and coordinating the use of information conveyed over communications to most efficiently and flexibly respond to abnormalities to reconfigure and restore service to end cus...
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WO/2004/036774A2 |
An apparatus comprising a mobile electronic device having two electrical contact zones, the mobile device to be placed on a pad having two contact zones corresponding to the two contact zones of the telephone, the pad receiving electrica...
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WO/2004/032301A1 |
The invention relates to electrical engineering and can be used for electrotechnical equipment in order to increase the localisation capacity of electrical installations, including cabinets for factory-assembled switchgears, unitised tra...
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WO/2004/030173A1 |
The invention relates to a method for detecting a sluggishness or blockage of an electric drive (3), which is controlled by means of a first power semiconductor component (7). The electric drive (3) can be operated both in the part-load ...
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WO2002061905A9 |
The aircraft applicable ground fault circuit interrupter interrupts a circuit when a current imbalance is sensed. The circuit interrupter includes a power supply, a sensor for sensing a current imbalance at the line side of the circuit, ...
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WO2003073181A9 |
A data sample and transmission module for a power distribution system is provided (figure 2). The module has a microprocessor (42) and a network interface (46). The microprocessor (42) samples first signals (52) indicative of a condition...
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WO/2004/008600A2 |
Protection systems for electrical systems are described, where the electrical systems may include spot networks and/or grid networks. The various protection systems may be designed and used to detect and clear faults that may occur withi...
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WO/2003/107374A1 |
A shorting switch (2) includes a vacuum switch (4) having fixed and movable contact assemblies (8, 10) and a driven member (26). A spring cover tube (38) and bushing (36) mount the driven member (26) for linear movement along a path subs...
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WO/2003/107368A1 |
A shorting switch (2) eliminates arcing faults in low voltage power distribution equipment (144). The switch includes a base (4) supporting a first side (6) and an opposite second side (8). A first end (12) of a spring (10) engages the f...
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WO/2003/105303A1 |
A method and apparatus for detecting electric arcs in an electrical system having a periodic power supply is disclosed. A method according to the invention compares instantaneous values of a monitored waveform both with (a) their past va...
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WO/2003/103109A2 |
A method of controlling output power in a power amplifier having a driver stage and an output stage. The driver current is measured and the output stage biased in dependence upon the measured driver current.
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WO/2003/103349A2 |
The apparatus and method includes a panel movable between at least two positions. An electric motor has a rotating armature. A multiple pole magnet is mounted on the armature. A sensor detects the passage of each magnet pole and generate...
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WO/2003/102506A1 |
The instantaneous overcurrent element, used in a microprocessor-based protective relay for a power system, includes a finite impulse response filter which generally is a cosine filter and is responsive to the current waveform from the cu...
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WO/2003/102339A2 |
A powered panel control apparatus and method is used with an electric motor having a rotatable armature. The control detects and generates time periods between the rotation of the armature over a predetermined constant amount of angular ...
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WO/2003/100938A1 |
A residual current circuit breaker, comprising a unit for detecting a residual current in an electrical power supply network (40) and a network disconnector unit (20). The residual current detection unit comprises a device for signal-aut...
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WO/2003/098766A1 |
The central power supply device (L'1, N'1) for the electric supply of the domestic appliance and an electronic control unit of said appliance is connected to the output side of the interference suppression filter (3). The aim of the inve...
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WO/2003/098764A1 |
The invention relates to a circuit assembly (1) for detecting a quenching operation of a superconductor, in particular in the medium voltage technology range, comprising: at least one superconductive component (6), located in a cooling e...
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WO/2003/098403A2 |
An electrical power distribution system is disclosed that includes a gateway module (100) including logic (112) to interface to a vehicle management computer (VMC) (50) via a dual redundant standard data bus (1). The gateway module (100)...
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WO/2003/090327A2 |
The relay system (10) obtains voltage and current values from a power line and uses a first sampling element to sample the voltage and current values at selected intervals of time. The resulting sampled signals are used for power system-...
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WO/2003/081741A1 |
The invention relates to a trip device for an electrical power breaker (LS), for tripping on a short-circuit and embodied as an analogue electrical circuit. The circuit components and devices necessary for tripping on a short circuit for...
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WO/2003/079511A1 |
A circuit protection system (28) is provided that provides a dynamic delay time to an upstream circuit breaker (415) if a fault is detected in a circuit where the dynamic delay time can be based upon the location of the fault, such as th...
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WO/2003/073580A2 |
There is provided a processing system for a power distribution system. The processing system includes a first processor (310) for executing a first task having a first priority, and a second processor (350) for executing a second task ha...
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WO/2003/073571A2 |
A system (l0) includes at least one main feed system (12), a power distribution bus (14), a plurality of power circuit switches or interrupters, also referred to herein as a circuit breakers (CB) (16), and at least one load (18), for exa...
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WO/2003/073312A1 |
A method and apparatus for monitoring a communication network is provided. The network includes a plurality of node electronics units (20) communicatively coupled to at least one central control processing (24) unit through at least one ...
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WO/2003/073572A2 |
A method of monitoring and controlling a power distribution system (10) is provided. The power distribution system (10) includes a plurality of circuit breakers (16), a plurality of node electronic units (20), and wherein each associated...
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WO/2003/073576A2 |
A method and apparatus for monitoring a centrally controlled power distribution system is provided. The method includes sampling an electrical current flow in the centrally controlled power distribution system (10), transmitting the samp...
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WO/2003/073454A2 |
A circuit breaker lockout device (26) is provided that prevents the breaker contacts from being closed when the circuit breaker (14) is in a lockout state in response to a lockout signal and permits the breaker contacts to be closed when...
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WO/2003/073178A1 |
A method and apparatus for collecting power distribution system data is provided. The method includes communicatively coupling a plurality of node electronic units (20) to a digital network (22), communicatively coupling at least one cen...
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WO/2003/073221A2 |
A method and system for monitoring and controlling a power distribution system (10) is provided. The system includes a plurality of circuit breakers (16) and a plurality of node electronic units (20). Each node electronic unit is mounted...
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WO/2003/073176A1 |
A protection system for a power distribution system is provided (figure 1). The protection system includes a central computer (28), a plurality of data modules (30), and a data network (32). The data modules (30) are each in communicatio...
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WO/2003/073188A1 |
There is provided a computer-implemented method for configuring a centralized circuit breaker protection system (400) . The centralized circuit breaker protection system includes Wizard (425), CCUP (28), network (32), and modules (30A an...
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WO/2003/073177A1 |
A method for operating a power distribution system is provided (figure1). The power distribution system (10) includes a plurality of components, and at least one node electronics unit (20) coupled to at least one control processing unit ...
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WO/2003/073214A2 |
A method for communicating information bundled in digital message packets via a digital network communication system is provided. The digital network communication system a sample source and each packet includes a header and a communicat...
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WO/2003/073180A1 |
A method and apparatus for operating a centrally controlled power distribution system (10) is provided. The power distribution system includes a plurality of circuit breakers (16), each circuit breaker coupled to a single node electronic...
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WO/2003/073224A2 |
A method, system, and computer program for improving reliability of a centrally-controlled electrical protection system is provided. The method includes identifying at least one component of the centrally-controlled power distribution sy...
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WO/2003/073179A1 |
A method and apparatus for operating a power distribution system circuit breaker is provided (figure 1). The circuit breaker includes an associated node electronics unit (20) wherein a node electronics unit (20) redundancy requirement is...
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WO/2003/073182A1 |
A method and system for determining a configuration of a redundant critical control system is provided. The method includes receiving power distribution (figure 1) system operating characteristic information, using a computer, determinin...
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WO/2003/069754A1 |
A protective relay apparatus comprising two photoelectriccurrent sensors installed at both ends of a protected section of a power system which can not only detect an internal fault but also discriminate an external fault from an internal...
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WO/2003/065533A1 |
The method is based on an association of at least two saturation criteria enabling detection of a saturation phase when said criteria are met simultaneously. The invention is characterized in that a first saturation criterion (Ce . sat) ...
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WO/2003/063318A1 |
The invention relates to a method for the controlled management of a mobile element which is actuated by an electric motor and which comprises an anti-obstruction or anti-impact safety mechanism and to a program for executing same. The a...
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WO/2003/058663A1 |
A system for an AC electrical circuit includes an actuator (110), a source (115), and an actuator control system (120). The actuator converts current into a force to move contacts relative to one another to switch power on and off in the...
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WO/2003/056679A1 |
A High Speed Transfer System which comprises three Protection and Control devices. A first and a second of said Protection and Control devices are used for failure detection on the feeder bus-bar; the third of said Protection and Control...
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WO/2003/056677A1 |
A distribution switchboard auxiliary supply system, in which the supply function is integrated in a functional unit or within each switching device. The power is drained from the Medium Voltage busbars by using either an already availabl...
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WO/2003/056676A1 |
An electric power distribution switchboard (1) in which one or more functional units are equipped with a switching device compartment (3) that integrates primary and secondary functions. Within the switching device compartment (3) are in...
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WO/2003/056588A1 |
The invention relates to a method and system for preventing the formation of an electric arc in a connector which is inserted in a power load supply line. According to the invention, the connector (11) comprises electrically-insulating s...
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WO/2003/050831A1 |
According to the invention, a controlled or synchronous switching of an electrical power breaker (1) can be guaranteed by means of predicting a future voltage and/or current curve from actual voltage and/or current data in an electrical ...
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WO/2003/038968A1 |
The invention relates to a method for monitoring and controlling reversing processes of electrically actuatable units. An actuation force for moving an electrically actuatable unit can be exerted by means of an actuator, and a protective...
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WO/2003/034565A1 |
The invention concerns a voltage limiter for efficiently limiting brief or prolonged surge voltages. Said voltage limiter comprises a varistor (1) and a discharge path switchable in parallel to the varistor. Said discharge path comprises...
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WO/2003/032461A1 |
A current sensor which constitutes an overload protection apparatus and senses a current supplied from a power source to a load is constituted by providing a magnetic sensor having the effect of magnetic impedance (MI), an AC supply mean...
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WO/2003/030326A1 |
A circuit breaker having a trip mechanism and an electronic module having an application specific integrated circuit (ASIC), a control circuit, a composite circuit which generates a composite signal voltage, a residual circuit, the circu...
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