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WO/2022/008328A1 |
The invention relates to a method for detecting a kickback or a breakthrough of a machine tool (10a; 10b; 10c; 10d), in particular a hand-held machine tool, with an oscillating output movement, in particular a linearly oscillating output...
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WO/2022/009670A1 |
A battery control device (70) carries out charge control on the basis of a current detected by a current sensor (22) when a battery (21) is charged with power supplied from an external charging device (100). The battery control device is...
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WO/2022/007523A1 |
The present application provides a battery protection circuit, comprising a reference and bias circuit connected to a battery voltage sampling point, a voltage protection circuit, a current protection circuit, an enable generation circui...
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WO/2022/009669A1 |
As current sensors for detecting current that flows in a storage battery (21), a power supply system comprises: a first current sensor (22) having a first range as the current detection range; and a second current sensor (23) having a se...
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WO/2022/009639A1 |
Disclosed is an electric power distribution module that has a novel structure and that makes it possible to disconnect a main relay from a battery with excellent reliability and a cost advantage.　This electric power distribution module...
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WO/2022/005372A1 |
The invention is related to a method (100) for connecting one or more electric battery units (200; 500) to an electrical system (300). The method comprises: maintaining (102) a system short-circuit which short-circuits the electrical sys...
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WO/2022/000250A1 |
A voltage regulation apparatus and an overcurrent protection method. The voltage regulation apparatus comprises: a current detection control circuit, a power stage circuit, a voltage input terminal, and a voltage output terminal, and the...
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WO/2022/002000A1 |
Provided in the present disclosure is an undervoltage protection circuit, comprising: a secondary-side output module, comprising: an undervoltage determining unit configured to compare the voltage of the secondary-side output module with...
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WO/2021/260624A1 |
Methods and systems provide an indication that a loose connection and/or fault occurred in a breaker box or other electrical connecting device. The method includes calculating normal resistance for circuits within a breaker box when a cu...
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WO/2021/260298A1 |
The invention relates to a method for insulating a first conductor (21) of a first continuous high voltage power drive line connected to at least one link node in question comprising at least three distinct links each associated with at ...
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WO/2021/151909A9 |
There is provided mechanisms for time-synchronized communication of packets between a first substation (120a) and a second substation (120b) interconnected by a communication channel. Samples obtained within the second substation is prov...
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WO/2021/262833A1 |
A method for analyzing operation of a motor includes capturing time-domain energy-related signals associated with at least one motor using at least one intelligent electronic device electrically coupled to the at least one motor. The sig...
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WO/2021/253781A1 |
A fault detection method and apparatus for an oil-gas pump electric motor, which relate to the technical field of oil-gas pump electric motors. The method comprises: obtaining a first predetermined current threshold value (S110); obtaini...
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WO/2021/254530A1 |
Provided are a compressor variable-frequency speed regulation system and a direct-current bus voltage overvoltage protection method, comprising: during the process of motor speed regulation, setting a direct-current bus voltage given val...
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WO/2021/256183A1 |
A control device according to the present invention controls a main switch provided on power wiring, and a charging switch connected in parallel to the main switch together with a limiting resistance. The control device increments a coun...
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WO/2021/254806A1 |
The application describes a detection device (30) for detecting a fault current (Ifault) at a PV generator (8) and/or at DC lines (4.1-4.3, 5.1-5.3) of a PV installation (1) which are assigned to the PV generator (8), wherein the PV gene...
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WO/2021/255371A1 |
This electromechanical installation (100) for an aircraft comprises: - an electrical network (102) comprising electrical subnetworks (104, 106); - a turbogenerator (118) comprising a gas turbine (120), an electricity generator (122) with...
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WO/2021/254986A1 |
A method of monitoring an electrical machine, wherein the method comprises: a) obtaining temperature measurement values of the temperature at a plurality of locations of the electrical machine, b) obtaining estimated temperatures at said...
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WO/2021/251739A1 |
Provided are an arc detection system and method capable of providing reliability and safety. The disclosed arc detection system comprises: a current sensing unit for sensing a current flowing in a line; and an arc detector for detecting ...
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WO/2021/251118A1 |
In a power supply control device (10) that functions as a wire protection device, a fusion element (F1) is disposed on a current pathway for current that flows through a wire (W1). The fusion element (F1) fuses according to the temperatu...
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WO/2021/247005A1 |
A fast-response, light-weight, tunable overcurrent protection system that protects a power converter from a catastrophic failure due to a short circuit. The system includes an input stage connected to a power source; a DC link connected ...
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WO/2021/241684A1 |
A protective circuit (1A) is provided with: a protective element (10A); a plurality of secondary battery cells (20), (20), ...; an external positive electrode terminal (30a) and an external negative electrode terminal (30b); an auxiliary...
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WO/2021/239852A1 |
An electrical safety device (10), wherein the electrical safety device is configured to provide electrical energy from an electrical network via input terminals to at least one electrical consumer device connected to output terminals (44...
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WO/2021/241871A1 |
The present invention relates to a solid insulated switch using a semiconductor, and the solid insulated switch according to one embodiment of the present invention comprises: a main circuit unit which is connected between systems on bot...
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WO/2021/239173A1 |
Electrical circuit arrangement comprising an inverter (4), a driver circuit (5) and a protective circuit (6), wherein the inverter (4) comprises a plurality of inverter switching elements (9) each having a drive connection (13, 14), wher...
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WO/2021/243116A1 |
A circuit interrupter device for selectively connecting a source of AC power from a line side to a load side of the circuit interrupter device includes a controller powered from a source of AC power from a line side. The controller initi...
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WO/2021/236381A1 |
Features are disclosed for charging a battery using a power supply in series with a diode. A power supply can be connected in series with a diode to restrict an inrush current resulting from connection of the power supply with a battery....
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WO/2021/232152A1 |
A system and method for protection of an electrical grid. A respective one of the substations of the system including: a first directional protective relay to generate a signal operating on the electrical power line between the respectiv...
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WO/2021/235607A1 |
The present technology relates to a multi-circuit direct current breaking system and method. According to an embodiment of this technology, there are advantages of being capable of detecting a fault and primarily limiting the size of a f...
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WO/2021/235365A1 |
A module control unit (51) of a battery system (101) selects, upon detection of an abnormality in a battery module (13A), the battery module (13A) without turning off the battery module (13A), subsequently compares a total value of rated...
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WO/2021/234867A1 |
A charging/discharging system (1) has a ground fault detection circuit (3) for checking whether a power cable (82) for connecting a storage battery (84) to the charging/discharging system (1) is insulated with respect to the ground. The ...
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WO/2021/235228A1 |
This vehicle anomaly detection device (1) is used for a vehicle power supply system (100). The vehicle anomaly detection device (1) includes a target wiring part (22) and an anomaly detection unit (50). The target wiring part (22) consti...
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WO/2021/230065A1 |
In this power feed control device (10), drive circuits (D1, D2) individually switch respective FETs (31, 32) on or off to control power feed to loads (E1, E2). In a state in which a connection destination of a fuse element (F1) is the FE...
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WO/2021/227343A1 |
Most existing ECM motor control systems use thermal protectors and the traditional observers; using thermal protectors leads to increase of cost; and using the traditional observers may not provide timely protection under the condition w...
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WO/2021/230130A1 |
A control device (40) that is applied to a power supply system (100) having a first system (ES1) that includes a first power supply (12, 14) connected to a first load (34), a second system (ES2) that includes a second power supply (16) c...
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WO/2021/218534A1 |
The present invention provides an anti-tamper protection circuit, comprising a switch trigger port, a tamper signal transmission port, a power supply unit, and a signal output port. The switch trigger port is connected to a switch; the s...
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WO/2021/215138A1 |
This power supply control device (10) controls the supply of power from a DC power source (11) to a load (12) by switching a power supply FET (20) on or off.A current adjustment circuit (25) adjusts a current flowing through a resistance...
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WO/2021/208632A1 |
Provided are a rapid turnoff method, a photovoltaic assembly turnoff device, and a photovoltaic system. The rapid turnoff method comprises: after receiving a start signal, a photovoltaic assembly turnoff device controls itself to be turn...
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WO/2021/210319A1 |
A power feeding control device (10) controls power feeding by switching on or off an FET (20). When current flowing via the FET (20) rises, the rising current flows via a resistor circuit (25). A drive circuit (23) makes a notification w...
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WO/2021/208616A1 |
A portable electric-powered body massage apparatus, comprising: a power source management module (1); a motor and drive module (2); a motor switch (3); a massage mechanical transmission apparatus (4), one end thereof being connected to a...
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WO/2021/211019A1 |
The utility model relates to arc-fault protection devices. An arc-fault protection device (1) comprises a voltage reading unit (2), a current sensor (3), a unit (4) for extracting high-frequency current signals, a unit (5) for extracting...
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WO/2021/210634A1 |
The present invention provides a protective element with which a spark is not liable to occur, and with which a current pathway can be interrupted safely and rapidly, even if a high voltage is being applied, and a battery pack employing ...
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WO/2021/210848A1 |
A protection circuit of a resonant converter according to an embodiment of the present disclosure may comprise: a comparator that compares a DC link voltage of the resonant converter with a voltage across both ends of either one of first...
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WO/2021/205872A1 |
A method for controlling a power supply system 30 of a vehicle 10 includes: a first step for permitting or prohibiting, on the basis of the combination of normality and abnormality in each power storage device 50, each of the power stora...
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WO/2021/205871A1 |
A fault diagnosis method for a current breaker device 21A provided in a power supply system 12 of a vehicle 1, said method including: a supply step in which a power supply device 14 supplies power to a first electrical load 11 and a firs...
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WO/2021/204118A1 |
A driving electric motor control system and a method for ensuring the safety thereof, which belong to the field of electronic circuits. The system comprises: a DSP, which is electrically connected to a gate driving logic control module (...
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WO/2021/198471A1 |
The invention relates to a method for protecting safety switches (Q7, Q8, Q9) of a control unit (11) of an electric motor, wherein the control unit (11) has a microcontroller (12) and a gate driver (13), which control a driver circuit (1...
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WO/2021/199817A1 |
The present invention detects a predictive abnormal phenomenon in a battery pack and prevents the use of the battery pack before power is shut off at a fuse. The battery pack comprises: a battery cell; a connection unit which is electric...
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WO/2021/196563A1 |
Disclosed are a resistor-type sub-module mixed-type MMC and a direct-current fault processing policy therefor. According to the mixed-type MMC, three-phase short-circuiting to ground is artificially generated at an alternating-current si...
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WO/2021/200195A1 |
In a state in which this power storage pack (10) has been mounted on an electric moving body (30), a control unit (12) of the power storage pack (10) communicates with a control unit (32) of the electric moving body. Communication wiring...
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