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WO/2021/109054A1 |
Disclosed are electrical relay assemblies including a positive temperature coefficient thermistor (PTC) for reverse connection protection. In some embodiments, a relay assembly includes a relay socket receiving a relay, a power source co...
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WO/2021/097898A1 |
A high-current switch circuit having a reverse connection prevention function, comprising a reverse connection prevention unit (10), a switch unit (20), and a control unit (30). Signal output ends of the reverse connection prevention uni...
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WO/2021/078849A1 |
The invention relates to an electrical vehicle (3) charging system comprising a plurality of power stages (1 ) each configured for providing electrical energy to charge an electrical vehicle (3), a plurality of outlets (4) each comprisin...
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WO/2021/078266A1 |
An anti-backflow circuit, relating to the field of circuit protection. The anti-backflow circuit (100) comprises a first switch circuit (10) connected in series between a circuit input end (11) of the anti-backflow circuit (100) and a ci...
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WO/2021/069372A1 |
The invention relates to electrical circuits. More specifically, the invention relates to the detection whether an input wire is floating, connected to the Line or to the Neutral of an AC electric power supply. The invention uses impedan...
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WO/2021/056917A1 |
A direct-current power supply parallel-machine input reverse connection prevention circuit and a server. The circuit comprises a first switch tube (Q1) and a second switch tube (Q2); a first end of the first switch tube (Q1) is used for ...
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WO/2021/052949A2 |
The application relates to a method for detecting a short circuit (33) of a DC load (30), which can be connected to an AC network (20) via a rectifier (1) comprising an AC/DC converter (10). The method comprises the following steps: - se...
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WO/2021/044001A1 |
The invention relates to a fluid-conducting assembly (16) for a domestic appliance, in particular a through-flow heater, comprising a fluid-conducting component (15) with a fluid-conducting component line section (17), which extends thro...
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WO/2021/033527A1 |
According to the present output device (11), a current is output through a semiconductor switch (20). In regards to the semiconductor switch (20), the resistance value between a current input terminal (20d) into which current is input an...
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WO/2021/022194A1 |
A grounding cable warning device includes a housing affixable to a grounding cable. An electrical current transformer is disposed within the housing. An energy storage component is disposed within the housing. A first sensor is disposed ...
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WO/2020/217780A1 |
Reverse connection protection relays (41, 42) are provided to respective power-supply systems that individually supply power from first and second in-vehicle batteries (201, 202) to a driving circuit part (10). The reverse connection pro...
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WO/2020/207729A1 |
The invention relates to a method for detecting a ground fault in a load zone (3) that can be connected to a direct-current network (1), the load zone having a first load zone line (31) which can be connected to a first main line (7) of ...
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WO/2020/188300A1 |
A reverse polarity protection circuit for a DC- DC converter having a inductive component is provided. When the DC- DC converter is connected to a power supply with correct polarity the inductive component of the converter receives power...
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WO/2020/148586A1 |
The present application describes a safety, monitoring and protection equipment and use thereof. The safety, monitoring and protection equipment comprises a deballasting component that is responsible for the safety of the system. DC fuse...
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WO/2020/132787A1 |
The present disclosure relates to a polarity correction circuit. The polarity correction circuit may include a detection module and a switching module. The detection module may be configured to detect a polarity of a DC voltage transmitt...
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WO/2020/125343A1 |
Provided by the present application is a DC/DC conversion circuit, comprising an input terminal, a power circuit, and an output terminal, which is characterized in further comprising a bypass circuit, wherein the bypass circuit is a unid...
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WO/2020/115990A1 |
This battery polarity determination circuit is provided with: a battery housing unit 2 including a first contact T1 and a second contact T2 which touch the respective electrode terminals of a battery BAT; a control device 3 connected thr...
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WO/2020/094548A1 |
The invention relates to a restart protection device (1) for a battery-powered electric hand tool (2), comprising - a control capacitor (CCTRL) having a cathode and an anode, wherein the cathode can be connected to an earth connection (1...
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WO/2020/077976A1 |
Provided in the present application are an OLED display device and a power supplying method therefor, the device comprising: a main chip, a power supply module, a control circuit, and a voltage conversion circuit. An output terminal of t...
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WO/2020/064699A1 |
A power system comprises a power source (2), a transmission line (3) coupled to the power source (2) through a circuit breaker (1), a shunt reactor (4) coupled to the transmission line (3), and a current transformer (6) connected in seri...
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WO/2020/043883A1 |
The invention relates to a method and to a device for operating a bidirectional voltage transformer (18) that can be connected to a primary battery (12). Said voltage transformer has a primary-side smoothing capacitor (16, C1DC), an indu...
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WO/2019/238597A1 |
A multi-functional integrated High Voltage switchgear which comprises a plurality of electrical apparatuses and mechanisms having corresponding operating devices, at least a first of said electrical apparatuses and mechanisms being a cir...
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WO/2019/238598A1 |
An integrated High Voltage disconnecting circuit breaker (1, 10) comprising: as a first electrical apparatus, a circuit breaker (2, 102) with a corresponding first motor-actuated operating device (21; 121); as a second electrical apparat...
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WO/2019/206433A1 |
A power source is proposed comprising an output for a load. The power source is configured to provide a first voltage at the output. The power source is configured to detect a feedback at the output. The power source is further configure...
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WO/2019/157371A1 |
A protective electrical wiring device including: a plurality of line terminals including a first line terminal and a second line terminal; a plurality of load terminals including a first load terminal and a second load terminal, wherein ...
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WO/2019/149378A1 |
Automotive auxiliary unit (10) with an electronic protection unit (16) comprising an inverse-polarity protection unit (18) with a semiconductor switch (20), and an overcurrent protection unit (22), wherein the overcurrent protection unit...
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WO/2019/144676A1 |
An anti-reverse-connection circuit-based load dump protection circuit for use in a vehicle, which circuit is used for protecting an electric appliance connected in series to a main line of a power-supplying power source. The protection c...
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WO/2019/133135A1 |
A surgical system includes a first surgical device comprising a control circuit. The control circuit is configured to be situationally aware of events occurring within the vicinity of the first surgical device according to data received ...
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WO/2019/133148A1 |
A surgical system is disclosed. The surgical system comprises a surgical instrument comprising an end effector, wherein the end effector is configured to perform an end effector function, and a control circuit configured to control the e...
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WO/2019/133145A1 |
A surgical instrument is disclosed. The surgical instrument includes an end effector, a user interface, and a control circuit. The end effector is configured to deploy staples into tissue grasped by the end effector and cut the grasped t...
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WO/2019/130123A1 |
Surgical systems can include evacuation systems for evacuating smoke, fluid, and/or particulates from a surgical site. A surgical evacuation system can be intelligent and may include one or more sensors for detecting one or more properti...
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WO/2019/110454A1 |
The invention relates to a fail-safe operating method for a local power generation plant LPGP (1) comprising the steps of: before connecting the LPGP (1), determining a leakage capacitance of a generator (11) of the LPGP (1), comparing t...
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WO/2019/111734A1 |
Provided is a load drive circuit. The load drive circuit comprises: a power supply terminal that connects a power supply; a load terminal that connects a load to which a supply voltage from the power supply connected to the power supply ...
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WO/2019/086285A1 |
The invention relates to a polarity-reversal protection arrangement comprising a transistor circuit (9), an amplifier circuit (5) and an output driver stage (7), wherein the amplifier circuit (5) is connected to the output driver stage (...
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WO/2019/081127A1 |
The invention relates to a device for determining and/or monitoring at least one process variable of a medium in a container, comprising at least one sensor unit and an electronic unit (1) which comprises a transceiver unit (2) and a tra...
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WO/2019/079703A1 |
Methods and apparatus for adaptive surge protection are disclosed. An example method comprises providing load voltage to the electric load by regulating a source voltage with a surge protection device (102); monitoring, via a voltage det...
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WO/2019/024691A1 |
A protection circuit and an air conditioner. The protection circuit comprises: a positive temperature coefficient thermistor; a signal input end; and a communication module; a first end of the positive temperature coefficient thermistor ...
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WO/2019/016200A1 |
A battery reverse polarity protection circuit. The battery reverse polarity protection circuit includes a field effect transistor (FET) coupled to a control circuit. The FET is configured to transmit an input voltage from a normal-polari...
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WO/2019/009292A1 |
A power storage device 20 comprises power storage elements 31, external terminals 22P, 22N which are connected to the power storage elements 31, a current cut-off device 37 which is positioned in a current path connecting the power stora...
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WO/2019/007994A1 |
A charging surface comprising multiple conductive regions can be used to charge an electronic device placed on it the surface so that electrodes on the device engage respective conductive regions of the surface. In order to distinguish s...
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WO/2018/219544A1 |
The invention relates to a method for operating a vehicle charging apparatus (22) for charging a vehicle battery (24). A particular line (VL1; VL2; VL3) on the decoupling point side is initially assigned to the first line (FL1; FL2; FL3)...
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WO/2018/219811A1 |
A single-phase electric meter (10) comprising a phase conductor (21) intended to be connected to a phase (5) of an electric line located upstream of the single-phase electric meter and to a phase (16) of an electric installation (1) loca...
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WO/2018/215175A1 |
The invention relates to a soft starter (10) comprising a plurality of live phases (12, 14, 16), wherein a semiconductor switching element (21, 23, 25) and an electromechanical switch (22, 24, 26) parallel-connected thereto are arranged ...
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WO/2018/196460A1 |
An anti-reverse charging circuit of a smart bracelet, comprising a single lithium battery charging management integrated chip (U1). A negative electrode charging input line of the charging circuit is connected in series to a capacitor (C...
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WO/2018/177806A1 |
A domestic appliance (1) comprises a first power supply unit (2), which generates electrical power intended for operation of the domestic appliance from an alternating supply voltage (Ua) provided by a supply network (A), and at least on...
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WO/2018/162452A1 |
The invention relates to a DI-circuit breaker device comprising a differential current transformer for detecting fault currents in a phase conductor and a neutral conductor, and a detection device for detecting faulty states of a protect...
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WO/2018/151935A1 |
Provided is disclosure for embodiments providing surge protection, where the electric load can be isolated from its power supply upon detection of a wiring fault, undervoltage, and/or overvoltage.
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WO/2018/149469A1 |
The present invention provides a HVDC system 100 and corresponding method 200 carried out by the system 100. The system 100 comprises a RPU 101 and at least one RPR 102 connected to the RPU 101 via two power lines 103. The RPU 101 compri...
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WO/2018/105294A1 |
Provided is a light-emitting device capable of determining, in an unlit state, whether or not a ground fault has occurred, the determination not requiring the use of a shunt resistance. This light-emitting device (1) comprises: a current...
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WO/2018/097794A1 |
An electric circuit (2) for connection to an electric equipment (1 ) and to a polarity dependent unit (3), the electric system being arranged to receive an input signal from the electric equipment (1 ) and to return an output signal in r...
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