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Matches 51 - 100 out of 1,753

Document Document Title
WO/2016/157962A1
This power supply device (1) is provided with: relays (Ry1, Ry2) that are provided between input/output connection terminals (IO1, IO2), to which a storage battery (B1) is connected, and a DC-DC converter (10); a relay (Ry3) that is conn...  
WO/2016/131620A1
The invention relates to a grounding device (10) for an emergency power system to connect a neutral conductor (N) of a load arrangement (50) to a grounding conductor (PE) via at least one normally open contact (11.1) of a switching devic...  
WO/2016/134356A1
One or more techniques and/or systems are provided for detecting reverse polarity of a photovoltaic system. A fuse holder may comprise a fuse holder body configured to receive a fuse used to protect against excessive current from a photo...  
WO/2016/122836A1
A reverse current protection (RCP) circuit is provided that includes an RCP switch coupled between a power supply rail and a buffer power supply node. A control circuit powered by a buffer supply voltage on the buffer power supply node c...  
WO/2016/116744A1
Methods and systems for controlling electrical switchgear comprising a processor which is programmed to monitor the states/positions of and actuate operation of a plurality of control switches so as only to create acceptable combinations...  
WO/2016/105551A1
Electrical fire risks and consumer safety are major concerns driving regulators worldwide to implement more stringent electrical code and enforcement. While there are many commercially available protective devices available, none affords...  
WO/2015/095582A8
The present disclosure relates to electrical generators, more specifically to an apparatus and method for dehumidifying the windings and insulation system of a generator. The application of low-voltage, low-frequency, high-AC-current pro...  
WO/2016/074833A1
In order to further improve a device for filtering out supply voltage interferences such that the voltage loss in the device is kept as small as possible in possibly each operating state, it is proposed that a control logic for controlli...  
WO/2016/051314A1
An interlock load control system includes: a main board; a plurality of relays each having a normally closed contact and a load contact connected to a respective load, wherein, if closed positions of all the relays are in the normally cl...  
WO/2016/041884A1
The invention relates to a reverse polarity protection circuit (10) for the electrical system of a motor vehicle. The reverse polarity protection circuit (10) comprises a ground connection (20), a positive pole connection (22) and a semi...  
WO/2016/034495A1
A power unbalance mitigating polarity correction circuit is presented comprising a first and a second polarity correction circuit, each comprising: an input for receiving an input current, an output for providing a rectified output curre...  
WO/2016/001160A1
An apparatus configured to protect one or more system components from damage due to reverse polarity connection of a power supply comprising a relay located between said power supply and said components, and adapted to detect when a powe...  
WO/2015/174939A1
The present invention relates to an input protection (1), which enables to eliminate the problems resulting from voltage changes, and which has flexible operating voltage range, and basically comprises at least one reverse input protecti...  
WO/2015/145733A1
An FET (11) of a power-supply reverse connection protection unit (6) is connected between a battery (100) and an electronic device (2). When the battery (100) is reversely connected, the FET (11) turns off and a parasitic diode (D1) of t...  
WO/2015/113341A1
The present invention relates to the technical field of charging. A charging apparatus for an electronic device (200) and a power adapter (100) for the electronic device (200). In the process of charging a battery (201) in a normal charg...  
WO/2015/095582A1
The present disclosure relates to electrical generators, more specifically to an apparatus and method for dehumidifying the windings and insulation system of a generator. The application of low-voltage, low-frequency, high-AC-current pro...  
WO/2014/128562A3
A leakage protection method and device having a live/neutral wire identification function that identify the live wire and neutral wire of an input power source by means of a live/neutral wire identification device 1. If the live/neutral ...  
WO/2015/023711A1
Anti-arcing circuits (120, 310) are described herein that are configured to prevent or substantially mitigate arcing when a power adapter (118) is connected/disconnected from a client device (102). The anti-arcing circuit (120) restricts...  
WO/2015/010528A1
A reverse connection-proof protection circuit for a direct current input terminal and a reverse connection-proof protection method for a direct current input terminal, comprising: a controllable disconnection attachment, a voltage sampli...  
WO/2014/189675A3
A direct current (DC) to alternating current (AC) inverter sub-system is for a HVDC distribution system (7). The DC to AC inverter sub-system includes an enclosure (20) and a DC to DC galvanically isolated buck converter (12) having a DC...  
WO/2015/000719A1
Apparatuses (1) for controlling devices (200) arranged to provide direct- current voltage signals to direct-current buses (201, 202) comprising first and second conductors (201, 202) may be provided with detectors (11, 12) for detecting ...  
WO/2014/209503A1
An extraction system is designed for metal working and other applications. The system comprises a blower that delivers a positive pressure airflow to a hood that creates an air region for removal of airborne components from a work area. ...  
WO/2014/205974A1
A charging protection circuit for a lithium battery, comprising a switching circuit and a charging signal detection circuit, which is used for controlling the on and off of the switching circuit, wherein the switching circuit comprises a...  
WO/2014/190513A1
Disclosed are a charging circuit and method for preventing reversal of charging power supply, used for an electronic cigarette or electronic cigarette carton, the charging circuit comprising: direct current input end (101), a reversal pr...  
WO/2014/158967A1
Reverse battery protection circuits (1100) for devices powered by parallel-coupled batteries can include P-channel and N-channel MOSFETs. Each positive battery terminal connector (1112a, 1112b) of a battery-powered device (1130) can be c...  
WO/2014/099135A1
Electricity service may be safely remotely connected to a site by a network computing device, such as an electricity meter, even when the network computing device is not accessible at the site. The network computing device may include a ...  
WO/2014/090751A1
The invention relates to an electrical circuit comprising an electric cell, a load supplied by the electric cell, and an interruption component for the circuit exhibiting a threshold voltage value above which it is passing and below whic...  
WO/2014/090470A1
The invention relates to a protective circuit (105) comprising an input (120), an output (125), a field-effect transistor type p (T1), the drain connection of which is connected to the input and the source connection of which is connecte...  
WO/2014/064142A1
The invention relates to a DC converter (1) comprising: a first half-bridge circuit (2); a second half-bridge circuit (3); at least one transformer (4) having at least one primary winding (4a, 4b) and at least one secondary winding (4c, ...  
WO/2014/053302A1
The invention relates to an electric power meter (1) comprising a cut-off member (14), means for the downstream measurement of a downstream voltage at the terminals of an apparatus (4), and processing means (13) for driving the cut-off m...  
WO/2014/050407A1
This semiconductor device has the following configuration so that a current path can be shut down effectively upon reverse connection when a power source is connected reversely to the semiconductor device. An NMOS transistor (14) has a g...  
WO/2014/048278A1
Provided is an anti-back-current method for a grid-connected power generation system, comprising the steps of: 1), respectively acquiring the generated power of a photovoltaic system and the load power of a load, and calculating a refere...  
WO/2014/044297A1
This circuit (2) for protecting an electric load (200) powered by a voltage generator (100) against reverse voltage and over-voltage comprises a first switch (4) piloted on the basis of a first voltage difference (V4) representative of a...  
WO/2013/167060A3
Disclosed is a charging protection device for an intelligent terminal and an intelligent terminal. The charging protection device is connected between a charger and a charging port of the intelligent terminal, and comprises: an anti-reve...  
WO/2014/017487A1
A main control circuit (11) for driving a motor is configured so as to have: a Pch FET (T11), which is provided in series with a diode (D1), and the source (S) of which is connected to a secondary-side contact (MC2) of a main contactor (...  
WO/2014/005399A1
An overvoltage protection circuit and a current sampling device provided with the overvoltage protection circuit. The overvoltage protection circuit comprises: an enable switch, arranged for controlling a sampling resistor switch which i...  
WO/2014/001011A1
The invention relates to a method for checking a supply circuit (10) for at least one ignition circuit (20, 30), which supply circuit comprises at least one energy accumulator (C), a first conversion circuit (5) which increases a supply ...  
WO/2013/171904A1
A quality calculation unit (18) contiguously executes a plurality of computation processes on digital data which is repeatedly inputted. An unexpected process execution unit (23) executes as an unexpected process a computation process wh...  
WO/2013/167470A1
The invention concerns a device for protecting at least one electrical apparatus (2) against overvoltage generated by a lightning strike, the device comprising a connection socket (7) for connecting the device to a distribution socket (8...  
WO/2013/159580A1
A vehicle emergency rescue device (1), comprising a rescue power module, a switch (4), and an alarm device (5); the rescue power module comprises a cell (31), an anode connecting piece (32), and a cathode connecting piece (33); the alarm...  
WO/2013/131702A3
The present invention relates to a glow time control device (100) for controlling glow rods (206-209) in a vehicle (200). The glow time control device (100) comprises a control unit (IC1), at least two power transistors (T1, T4) and a pr...  
WO/2013/148553A1
A welding system (10) includes a power source (15) configured to generate power and deliver the power to a welding electrode. The power source (15) comprises a positive stud and a negative stud. The welding system (10) also includes cont...  
WO/2013/144316A1
The invention relates to a grounding device for a backup power system for connecting a neutral conductor (N40) of a load arrangement (40) to a local ground connector (21) when the load arrangement (40) is isolated from an energy supply g...  
WO/2013/017311A3
The present invention relates to a central polarity-reversal protection circuit for an on-board power system of a vehicle. For this purpose, a diode (107) is arranged between an assisted starting connection point (108) and the on-board p...  
WO/2013/015938A4
An electronic device may include a connector port that accommodates reversible connector plugs. The connector port may include protection circuitry that protects other components in the electronic device from undesired power supply volta...  
WO/2013/104489A1
The invention provides a protection circuit for preventing the DC output of an electronic device, such as an AC/DC conversion device, from being connected to an AC voltage by mistake. The protection circuit comprises an input portion to ...  
WO/2013/102493A1
A system (1) to generate an interlocking mechanism (2) for an electronic device to control a power system includes an system interface (3) for receiving a information (4) related to power system elements of the power system and a set of ...  
WO/2013/091175A1
An open circuit protection controller comprises an output plug (AC1) and a relay (K1). A normally closed contact of the relay (K1) is connected to one pin of the output plug (AC1), and normally open contacts (A, B) of the relay (K1) are ...  
WO/2013/091689A1
The invention relates to a separating device (1) for direct current interruption between a photovoltaic generator (11) and an electrical apparatus (12), in particular an inverter, comprising a mechanical switch (4) and a semiconductor sw...  
WO/2013/015938A3
An electronic device may include a connector port that accommodates reversible connector plugs. The connector port may include protection circuitry that protects other components in the electronic device from undesired power supply volta...  

Matches 51 - 100 out of 1,753