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Matches 1 - 50 out of 148,419

Document Document Title
WO/2019/117608A1
Disclosed is a technology for reducing errors in charging/discharging current measurement for a battery module having a plurality of secondary batteries. A current measurement device according to the present invention is a device is prov...  
WO/2019/115339A1
The invention relates to a bidirectional multi-phase DC-to-DC converter (GW), comprising: a first power connection point (SA1) for connecting to a first voltage (U1); a second power connection point (SA2) for connecting to a second volta...  
WO/2019/117555A1
A short-circuit prevention device according to the present invention may comprise: an input/output terminal unit electrically connected through a second external power supply line to an external device electrically connected to any one o...  
WO/2019/114254A1
A passive intermodulation testing device comprises a passive intermodulation tester (110) and a first transmission line (120). The passive intermodulation tester (110) is connected to one terminal of a circuit of an apparatus under test ...  
WO/2019/097235A3
Disclosed herein is an apparatus comprising a signal interface for obtaining: a temperature signal indicative of temperature of at least one cell of a battery; an energy signal indicative of energy stored in the at least one cell; and a ...  
WO/2019/114167A1
An automatic test system (100) used for testing a wireless charging system. The automatic test system (100) may comprise a mechanical arm (101), a test panel (103), a docking station (104) and a control computer (105). The mechanical arm...  
WO/2019/114240A1
A method and a system for predicting the state of charge of a battery. The method comprises: acquiring a voltage and a current of a battery during a charging-discharging process (10); using a genetic algorithm to optimize a model paramet...  
WO/2019/116815A1
If no measures are taken against increases in errors in the internal resistance of a secondary cell in a low-temperature region, not only will errors in the internal resistance increase in the low-temperature region, but also precision o...  
WO/2019/118730A1
A defect detection system including a pattern generator for selectably energizing portions of an electrical circuit under 5 test at predetermined times determined at least in part by the electrical circuit under test, a plurality of sens...  
WO/2019/116145A1
Provided is a very safe power storage system. When using n number (n is an integer of 3 or more) of secondary batteries in a vehicle such as an electric vehicle, the present invention monitors the status of each of the secondary batterie...  
WO/2019/117487A1
Voltage measurement device and method are provided. A voltage measurement device according to the present invention is for measuring a voltage on both ends of each of a plurality of secondary batteries comprised in a battery module. The ...  
WO/2019/117606A1
Disclosed are a device and a method for diagnosing shorting occurring in a positive electrode contactor of a battery pack. A device for diagnosing a positive electrode contactor of a battery pack according to the present invention compri...  
WO/2019/115937A1
The method for monitoring the electrical network comprises: - identifying (F20) one or more critical elements of the network, for at least one source-load pair connected to the network; - parametrically estimating (F30) a value of the el...  
WO/2019/117512A1
A device and a method for diagnosing a watchdog timer are disclosed. The purpose of a watchdog timer is to detect and fix a malfunction of a battery management system. The watchdog timer diagnosis device according to one embodiment of th...  
WO/2019/117607A1
Disclosed are a device and a method for diagnosing shorting occurring in a negative electrode contactor of a battery pack. A device for diagnosing a negative electrode contactor of a battery pack according to the present invention compri...  
WO/2019/114168A1
An automatic laser calibration kit for calibrating a distance between a test apparatus of a wireless charging system (100) and a device under test (DUT). The calibration kit is located on the wireless charging test system (100). The test...  
WO/2018/073395A8
A system and method are provided for testing features of an embedded system. The system includes a low-powered computing device communicatively coupled to a control application interface, a sensor interface, and a robotic interface. The ...  
WO/2019/114490A1
A single cell structure type automatic detection method on a production line. The system is provided with inspection devices and inspection stations. Electronic products to be inspected are placed on the inspection stations. When the ins...  
WO/2019/117490A1
The present invention relates to a system and a method for diagnosing a relay fault and, more particularly, to a system and a method for diagnosing a relay fault by using a diagnosis resistor, in which the diagnosis resistor is directly ...  
WO/2019/118642A1
Obtaining a periodic test signal, sampling the periodic test signal using a sampling element according to a sampling clock to generate a sampled periodic output, the sampling element operating according to a supply voltage provided by a ...  
WO/2019/115191A1
The invention relates to a choke (D) for carrying out high-voltage testing, having a housing (G), a coil (S) arranged inside the housing (G), at least one electrically conductive component (F1, F2) and a flux guiding device (FF) for guid...  
WO/2019/115757A1
A first aspect of the invention concerns a method (100) for detecting a malfunction of an acoustic sensor (CA) coupled to an electrochemical generator (GE), comprising a first step (101) of applying an electrical signal (SE) at a given f...  
WO/2019/113999A1
A gas-liquid dynamic model-based accurate lithium-ion battery SOC estimation method, the gas-liquid dynamic model being a cylindrical closed container, a pipe and a valve that can be opened or closed being mounted at the top of the conta...  
WO/2019/114537A1
A power grid and grid load simulation testing system apparatus, and an anti-islanding testing method thereof. A power grid and a grid load are simulated. The apparatus comprises an ammeter, a voltmeter, an alternating current voltage sou...  
WO/2019/118729A1
A battery management system monitors and controls the state of charge of a plurality of battery cells with a single data transceiver line. A sense board coupled to each cell monitors the battery cell voltage and temperature and reports t...  
WO/2019/116640A1
This battery monitoring device comprises: a voltage acquisition unit for acquiring the voltages of a plurality of unit batteries; a current acquisition unit for acquiring the charging/discharging current of a secondary battery; a first c...  
WO/2019/114657A1
An accurate fault locating method and apparatus for a multi-type cable connection system, and a corresponding storage medium. The method comprises first normalizing measurement parameters, then grouping data, performing compensation corr...  
WO/2019/114040A1
A press ram comprising press blocks (30) mounted on a bottom plate (10) and used for fixing one or more circuit boards (20) and moving blocks (40) having the same quantity as that of the circuit boards (20). The bottom plate (10) is used...  
WO/2019/116911A1
This inspection device inspects an imaging device formed in an object to be inspected by bringing a contact terminal into electrical contact with a wiring layer of the imaging device while causing light to enter the imaging device, where...  
WO/2019/115642A1
The invention relates to a device (1) for measuring the instantaneous electric power supplied by a phase of the stator (4) of an electricity-generating rotating machine (2), including a probe (11) for measuring an instantaneous magnetic ...  
WO/2019/114471A1
A display terminal detection method, comprising: connecting a docking device male end to a signal generation device (S110); mounting a docking device female end on a tooling plate of a display terminal (S112); connecting the docking devi...  
WO/2019/117198A1
An apparatus and method for estimating the economic feasibility of a storage battery uses a differential voltage between a pre-calculated discharge voltage and a charge upper-limit voltage to estimate an economic feasibility indicator as...  
WO/2019/117435A1
Disclosed are a zero-phase current transformer for measuring a three-phase four-wire live wire insulation resistance, and a live wire insulation resistance measurement device. The present invention is implemented through a process in whi...  
WO/2019/117556A1
A method and an apparatus for detecting a battery short circuit are disclosed. The method according to one embodiment of the present invention comprises the steps of: determining whether an insulation resistance value difference, which i...  
WO/2019/110711A1
The invention relates to a method for detecting the open or closed state of a protective appliance (4) in an electrical facility comprising a voltage detector (6) upstream of the protective appliance and a voltage detector (10) downstrea...  
WO/2019/112258A1
The present invention relates to a device for diagnosing and method for diagnosing the deterioration state of a cable, wherein the deterioration state can be diagnosed in real time by detecting a voltage applied to the cable and a leakag...  
WO/2019/111292A1
This power conditioner system comprises an inverter circuit connected to a power system by a power-transmission line, an ammeter that measures the current output from the inverter circuit, and a control device that is connected to the am...  
WO/2019/112857A1
The disclosure describes techniques for a self-test of a graphics processing unit (GPU) independent of instructions from another processing device. The GPU may perform the self-test in response to a determination that the GPU enters an i...  
WO/2019/110588A1
The invention relates to safeguarding a high-voltage network which is supplied by an electrical power source, such as for example a traction battery of an electric vehicle. For this purpose, according to the invention, one or more additi...  
WO/2019/110720A1
A first aspect of the invention relates to a method for determining the state of health of a battery, called the overall state of health, the voltage feature at the terminals of the battery depending on the state of charge which can be s...  
WO/2019/109582A1
A non-intrusive energy consumption detection method and system, the non-intrusive energy consumption detection method comprising: implementing change point detection of an energy consumption sequence of an acquired load to obtain a chang...  
WO/2019/112134A1
The present invention relates to a history management pad of a semiconductor test socket, a manufacturing method thereof, and a semiconductor test device including the history management pad. According to the present invention, a history...  
WO/2019/109951A1
A portable electric energy system and a measurement method therefor. The method comprises the following steps: acquiring a total capacity and an initial electric quantity percentage of each battery pack (S801); detecting a discharging cu...  
WO/2019/110831A1
The invention relates to a circuit breaker (1) with a first connection (2) and a second connection (3), wherein the first connection (2) is connected to an electrical conductor loop (5) of the circuit breaker (1) by means of a first elec...  
WO/2019/111220A1
A method for assessing a state of charge/discharge (SOC/SOD) for a secondary electrochemical cell, said cell having a first operational mode during which said cell is charged from a power supply connected to terminals of said cell, a sec...  
WO/2019/107830A1
Disclosed is a test device for a high-speed/high-frequency test. The test device includes: a conductive block which includes a probe hole; at least one signal probe which is supported in an inner wall of the probe hole without contact, i...  
WO/2019/107173A1
This method for adjusting the needle tip position of a probe needle includes a photographing step, a storage step, a detection step, a specifying step, and an adjustment step. In the photographing step, an inspection device uses a camera...  
WO/2019/107979A1
A battery pack is disclosed. A battery pack according to an embodiment of the present invention comprises: a first battery contactor and a second battery contactor each of which has one end electrically connected to a positive electrode ...  
WO/2019/089334A3
A method for determining a dynamic rating for a conductive path includes using a sensor to measure a value for a load parameter and selecting a heating process associated with the load parameter. A rated temperature change is changed by ...  
WO/2019/107982A1
A battery pack is disclosed. A battery pack according to an embodiment of the present invention comprises: a first battery contactor and a second battery contactor each of which has one end electrically connected to a positive electrode ...  

Matches 1 - 50 out of 148,419