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WO/2015/097996A1 |
A main battery and a sub-battery serving as an auxiliary power source are provided to supply electric power to auxiliary machinery groups H1 to H3. In the state of normal power supply by the main battery, when the main battery is not deg...
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WO/2015/099656A1 |
An uninterruptable power supply (UPS) is provided. The UPS includes a first input constructed to receive input power from a first power source, a second input constructed to receive input power from a second power source, an output const...
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WO/2015/099466A1 |
The present invention relates to a modular apparatus for a high-voltage direct-current transmission system. A sub-module (10), which is a modular apparatus, comprises according to the present invention a power unit (12) in the front and ...
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WO/2015/091154A1 |
The invention relates to a converter module (4, 11) for use in a switchgear assembly (1) for power distribution, comprising: - one or more AC supply bus bars (42, 112) for providing AC power supply; - one or more AC or DC power distribut...
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WO/2015/090100A1 |
An on-line deblocking and blocking control method for extra-high voltage direct current transmission project converter; through control of a firing angle of an SCA shielding pole layer,, a self-calculation trigger angle is outputted, all...
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WO/2015/088824A1 |
One disclosed system for a battery life extender includes: a switching circuit (104) configured to be coupled to a battery (102); a first voltage booster (106) coupled to the switching circuit (104); a second voltage booster (108) couple...
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WO/2015/078750A1 |
The invention relates to a switching device (1, 1a) comprising a first conventional switching point (2, 2a) and a second conventional switching point (3, 3a) which are electrically connected in series via a non-conventional switching poi...
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WO/2015/078838A1 |
The invention relates to a device and a method for reversible DC/DC conversion allowing an exchange of energy between two DC electric networks. This device is asymmetric and comprises several converter modules (70) on the high voltage si...
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WO/2015/078481A1 |
The invention relates to a traction voltage system in a vehicle, which system comprises a junction box (20) with multiple connectors (51, 52, 53, 54, 55, 56) for electrical components (31, 32, 33, 34, 35), which components comprise elect...
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WO/2015/075801A1 |
A first current-shutoff means (21) that shuts off current inputted from power-supply-voltage input terminals (11) connected to an AC power supply (1) if said current exceeds a predetermined threshold is constructed, as is a second curren...
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WO/2015/075883A1 |
This in-vehicle electric system is provided with: a drive circuit (10) that drives an electric motor (2); a first smoothing capacitor (20) that stabilizes an output voltage applied between two power supply input electrodes (11, 12) of th...
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WO/2015/076243A1 |
The purpose of the present invention is to effectively prevent, in a system having assembled batteries connected to a power supply line in parallel, overcurrent occurring when connecting an assembled battery to the power supply line. A p...
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WO/2015/075854A1 |
A DC power supply device is provided with: a DC power supply unit that has AC power input thereinto, that converts the AC power to a predetermined voltage, and that converts the result into DC power; a positive terminal and a negative te...
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WO/2015/076920A1 |
A hybrid alternating current (AC)/direct current (DC) distribution system for multiple-floor buildings includes per-floor rectifiers for converting supply side AC to DC. Each rectifier is configured to supply a plurality of DC loads asso...
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WO/2015/071045A1 |
An onboard electrical system power control circuit (10) having at least one electrically controllable power path selection stage (20, 20'), having at least one electrically controllable power modulation stage (30) and having a first and ...
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WO/2015/072184A1 |
A battery-driven electronic device provided with the following: a battery that has battery terminals; a computer to which power is supplied from said battery; a self-holding latching switch that is connected between the battery and the c...
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WO/2015/070891A1 |
A high voltage capacitor bank comprises at least one capacitor tower (1, 2, 3). The capacitor tower comprises a plurality of support racks (11) for supporting capacitors (13) at a plurality of levels of the capacitor tower, a plurality o...
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WO/2015/072304A1 |
[Problem] To provide a power supplying device capable of efficiently supplying power through a DC power line when an abnormality occurs in an external power supply. [Solution] Provided is a power supplying device comprising: a receiving ...
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WO/2015/071308A1 |
A device for preventing the negative feeding of electrical energy from an electrically driven rotor in a DC voltage network supplying the rotor drive is provided with a negative feeding prevention device (D1) and a bridging device (S1) f...
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WO/2015/067544A1 |
The invention relates to an input circuit (E) for providing a supply voltage, which input circuit (E) has a first input (E1) on the input side, wherein the input circuit (E) has at the output end an output (A1) which serves to connect an...
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WO/2015/070058A1 |
Methods and systems relating to a control system for an electrical energy outputting device are provided. The method may include receiving voltages from a plurality of power devices connected to a controller; identifying, by the controll...
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WO/2015/067771A1 |
This application relates to methods and apparatus for control apparatus of a voltage source converter (401 ) for direct current transmission of electrical power over a transmission line (402). The control apparatus comprises regulation c...
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WO/2015/062865A1 |
A power system (100) for a floating vessel, in particular a drilling vessel, is provided. The power system has at least two AC transformer units (21, 22, 23) adapted to provide transformation of AC electric power, each AC transformer uni...
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WO/2015/063109A2 |
A power transmission network (10) comprises a plurality of converters (12a,12b,12c,12d). Each converter (12a,12b,12c,12d) includes first and second electrical terminals (16,18), each first electrical terminal (16) being connectable to an...
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WO/2015/059735A1 |
There has been a problem in conventional power supply apparatuses that semiconductor elements are needed to be provided with mechanisms for directly monitoring a junction temperature of the semiconductor elements. This power supply appar...
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WO/2015/061349A1 |
A photovoltaic energy conversion system, apparatus, and method for controlling DC sub-arrays of a photovoltaic array are disclosed. The method may include coupling each of N homerun branches from N sub-arrays to an inverter via N switche...
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WO/2015/060095A1 |
The purpose of the present invention is to provide a sensor device in which malfunctions caused by a negative surge or a voltage drop are suppressed. The sensor device is characterized by being provided with a sensor element for which el...
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WO/2015/056171A1 |
The present invention places in the field of managing energy, in particular coming from renewable or environmental energy sources, harvester sources, typically not correlated sources and it proposes a system for supplying electrical ener...
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WO/2015/055255A1 |
A method and circuit for eliminating harmonic interference from a DC transmission line without using a DC filter branch. The circuit comprises one or more first tuned modules connected in series at a first voltage line of the DC transmis...
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WO/2015/056425A1 |
This data-storage control device controls a memory card which is provided with a data-rewritable non-volatile memory, and which operates by receiving a power supply from an external unit. A DC/DC converter (23) receives a power supply fr...
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WO/2015/052137A1 |
An electrical or electronic device (7) capable of being supplied with two different values of voltage from respectively a first electrical network (3) and from a second electrical network (8), comprises: a first connecting interface (70)...
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WO/2015/052052A1 |
The invention relates to a method for determining an operating state of a photovoltaic system, wherein - the photovoltaic system has a photovoltaic generator (1), which comprises one or more subgenerators (1a, 1b, 1c), and - each subgene...
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WO/2015/050555A1 |
An aircraft power distribution system (22) includes at least one DC power source, a first DC power distribution bus (34) and a second DC power distribution bus (36), a tie bus (33) coupling the at least one DC power source, first DC powe...
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WO/2015/048896A1 |
An electrical power supply system has a fuel cell module and a battery. The fuel cell can be selectively connected to the battery system through a diode. The system preferably also has a current sensor and a controller adapted to close a...
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WO/2015/047520A1 |
Electrical power grid monitoring apparatus, articles of manufacture, and methods of monitoring equipment of an electrical power grid are described. According to one aspect, an electrical power grid monitoring apparatus includes a communi...
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WO/2015/043862A1 |
An electrical assembly (50) comprises a chain-link converter (24) which includes a plurality of chain-link sub-modules (28). Each of the chain-link sub-modules (28) is operable to provide a voltage source. Moreover, each of the chain-lin...
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WO/2015/046594A1 |
A power supply circuit (1) comprising: a power generation element (2) that performs maximum efficiency point control on generated power and outputs same, said control adjusting a current such that the output power efficiency increases; a...
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WO/2015/045107A1 |
Provided is an inrush current limiting circuit provided with a second semiconductor switch in which an inrush current limiting circuit such that a series circuit of an inductor and a current detection resistor is connected between a powe...
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WO/2015/045197A1 |
This DC power source for supplying DC power to a plasma generating device has a simple and more compact device configuration for forming a high voltage for generating plasma discharge. A process is repeated multiple times in which a shor...
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WO/2015/046258A1 |
The purpose of the present invention is to provide a protection device capable of reliably protecting electronic or electrical equipment and having recovery properties even when an inrush current value is large or varies widely. This pro...
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WO/2015/039708A1 |
It is presented a DC/DC converter for converting power between a first DC connection comprising a first positive terminal and a first negative terminal, and a second DC connection comprising a second positive terminal and a second negati...
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WO/2015/036483A1 |
A system for transporting electric power to a subsea node, the system comprising a first direct current power unit, a second direct current power unit, a referenced earth operatively connected to the first and second power units and disp...
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WO/2015/033148A1 |
This invention relates to fuel cell unit for use in aggregating fuel cells,particularly useful for use when fuel cells are connected in parallel. Improving the management of fuel cell outputs across a plurality of aggregated fuel cells i...
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WO/2015/030069A1 |
In the present invention, the current command value during the period from when a relay switch (SW) is turned on until charging of an inverter capacitor (C) is completed is set at a value that is smaller than a value corresponding to the...
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WO/2015/024509A1 |
A high-voltage large-current direct-current circuit breaker and a control method therefor. The direct-current circuit breaker comprises an auxiliary switch circuit, a direct-current load switch, a first lightning arrester (MOV1), a main ...
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WO/2015/018656A1 |
The invention relates to a powered device (2) like a luminaire for being used in a power distribution system (100), which is preferentially a PoE system and which comprises a power sourcing device (1) for sourcing a power to the powered ...
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WO/2015/020306A1 |
The present invention relates to a circuit for removing noise in a system using a direct current (DC) power source, the circuit comprising: a DC power source having a positive terminal connected to at least one load via a first node and ...
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WO/2015/015794A1 |
This invention provides an identification apparatus and identification method for automatically identifying the types of power-supply devices connected to a power conversion device that uses DC links. The connected power-supply devices a...
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WO/2015/014123A1 |
A three-dimensional direct current-direct current converter, used for implementing interconnected transmission between two direct current electrical grids. The converter comprises a first inverter (1), a second inverter (2), and a third ...
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WO/2015/014551A1 |
The invention relates to an overvoltage protection circuit (1) for a first sub-system (T1) of a multi-voltage vehicle electrical system (100). The multi-voltage vehicle electrical system comprises the first sub-system (T1) having a first...
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