INSULATION DETECTION CIRCUIT AND METHOD, BATTERY MANAGEMENT SYSTEM AND VEHICLEAn insulation detection circuit and method, a battery management system, and a vehicle are provided. The circuit includes: a power supply unit, suitable for providing a first power supply and a second…DRIVE·5d ago·2 min readFollowB60L3/0069BYD CO LIMITED [CN]
Methods and electric circuit arrangements for protection of metallic components from corrosion via stray currentsMethods and electric circuit arrangements for protecting metallic components in an electrolytic medium from corrosion due to direct-current (DC) stray current (Is) from a power supply system. The DC s…DRIVE·May 26·2 min readFollowB60L3/0069Bender GmbH & Co. KG
INSULATION RESISTANCE MEASURING DEVICE AND BATTERY SYSTEM INCLUDING THE SAMEAn insulation resistance measuring device as an insulation resistance measuring device between a battery including a plurality of battery cells and a ground includes: a first voltage distribution unit…DRIVE·Mar 18·2 min readFollowB60L3/0069LG ENERGY SOLUTION LTD [KR]
ENERGY SUPPLY DEVICE, VEHICLE AND METHOD FOR MONITORING A LOSS OF CONTACT OF A MEASURING LINEThe invention relates to a power supply device (10) which comprises a connection device (12) for the purpose of an electrical connection of the power supply device (10) with a power source of a first …DRIVE·Feb 4·2 min readFollowB60L3/0069SIEMENS MOBILITY GMBH [DE]
EARTH LEAKAGE DETECTING DEVICE, AND VEHICULAR POWER SUPPLY SYSTEMTo carry out a failure diagnose of a leakage detecting device highly precisely, first voltage an output unit (11a, OP1) generates a cyclic voltage that changes cyclically, and applies the cyclic volta…DRIVE·Oct 8·2 min readFollowB60L3/0069SANYO ELECTRIC CO [JP]
A SWITCHING ARRANGEMENTThe present invention relates to a switching arrangement (10) for reducing contactor wear of an energy storage system having a plurality of battery packs arranged in parallel for powering a load, the …DRIVE·Aug 13·1 min readFollowB60L3/0069VOLVO TRUCK CORP [SE]
CURRENT DETECTION CIRCUIT, CURRENT LEAKAGE DETECTION METHOD, AND CHARGING SYSTEMA current detection circuit (20), a current leakage detection method and a charging system. The current detection circuit (20) is capable of outputting an excitation signal to a first winding (u1) wou…DRIVE·Jun 25·2 min readFollowB60L3/0069CHANGCHUN JETTY AUTOMOTIVE TECH CO LTD [CN]
RECHARGEABLE ENERGY STORAGE SYSTEM LIQUID INTRUSION DETECTION AND SEVERITY DETERMINATION FOR HIGH VOLTAGE OPERATIONA vehicle includes a system performing a method of operating the vehicle. The system includes a battery pack, a sensor associated with the battery pack, a cooling system for cooling the battery pack, …DRIVE·May 1·1 min readFollowB60L3/0069GM Global Technology Operations LLC
VEHICLE SYSTEMS AND LOSS OF ISOLATION DETECTION METHODSVehicles and related systems and monitoring methods are provided for detecting a loss of isolation on one side of a power converter. One method involves monitoring a normalized voltage input to a powe…DRIVE·Apr 17·1 min readFollowB60L3/0069GM GLOBAL TECHNOLOGY OPERATIONS LLC
METHOD FOR ACCELERATING INSULATION RESISTANCE MEASUREMENT IN AN UNGROUNDED POWER SYSTEMThe invention relates to methods for accelerating insulation resistance measurement for application in a method for determining insulation resistance according to a pulse measurement method in an unea…DRIVE·Apr 16·2 min readFollowB60L3/0069BENDER GMBH & CO KG [DE]
ELECTRIC LEAKAGE DETECTION APPARATUS, ELECTRIC LEAKAGE DETECTION METHOD, AND ELECTRIC VEHICLEAn electric leakage detection apparatus for a battery included in an electric vehicle according to the present disclosure transmits a first voltage corresponding to a voltage between a negative termin…DRIVE·Nov 27·1 min readFollowB60L3/0069LG ENERGY SOLUTION LTD [KR]
HIGH-VOLTAGE DEVICE BOXA high-voltage device box, comprising a box body (3), and a high-voltage grounding switch (5), a voltage transformer (6), a lightning arrester (10), a high-voltage isolation switch (11), and a vacuum …DRIVE·Oct 9·2 min readFollowB60L3/0069CRRC ZHUZHOU LOCOMOTIVE CO LTD [CN]
SYSTEMS AND METHODS FOR ELECTRICAL SHORT DETECTIONMethods and systems detect short circuits in an electrical system (104), such as a dynamic braking grid of a vehicle. The methods and system measure a characteristic of a current that is conducted thr…DRIVE·Aug 28·2 min readFollowB60L3/0069TRANSP IP HOLDINGS LLC [US]
ELECTRICITY LEAKAGE DETECTION DEVICE AND VEHICLE POWER SUPPLY SYSTEMIn leakage detecting device (10) that detects an electric leakage from a high-voltage unit in which power storage unit (20) and a load are connected by a power supply line in a state of being insulate…DRIVE·May 29·2 min readFollowB60L3/0069SANYO ELECTRIC CO [JP]
INSULATION RESISTANCE DETECTION SYSTEM FOR ELECTRIC VEHICLE AND INSULATION RESISTANCE DETECTION METHOD THEREOFAn insulation resistance detection system (1) for an electric vehicle (300) is used to detect a positive insulation resistance (RP) between a positive electrode (200+) of a battery (200) of the electr…DRIVE·Apr 10·2 min readFollowB60L3/0069DELTA ELECTRONICS INC [TW]
SYSTEMS AND METHODS FOR ADDING A CONTACTOR AT OR NEAR AN MSDA system may be configured to replace a manual service disconnect (MSD). Some embodiments may: provide a set of batteries that include an MSD; remove the MSD; and install a contactor at the MSD. The r…DRIVE·Dec 7·1 min readFollowB60L3/0069COULOMB SOLUTIONS, INC.
ELECTRIFIED VEHICLEAn electrified vehicle includes: a power storage device; an electric motor configured to drive a drive wheel; a drive device configured to drive the electric motor by using electric power in the power…DRIVE·Dec 7·1 min readFollowB60L3/0069TOYOTA JIDOSHA KABUSHIKI KAISHA
POWER SUPPLY DEVICE FOR VEHICLEIn a vehicle power supply device mounted on a vehicle and obtaining a low voltage power supply from a high voltage power supply via a step-down means, electric shock to the human body is prevented wit…DRIVE·Nov 30·2 min readFollowB60L3/0069IMASEN ELECTRIC INDUSTRIAL CO., LTD.
ACTIVE SYMMETRIZATION VIA INSULATION MONITORING FOR ELECTRICAL VEHICLE INTEROPERABILITY WITH CHARGING STATIONSAn electric vehicle charging system is provided. In some embodiments, the electric vehicle charging system can comprise an electric vehicle comprising a direct current to direct current (DC-DC) booste…DRIVE·Sep 27·1 min readFollowB60L3/0069VOLVO CAR CORP [SE]
PROTECTION CIRCUIT, HIGH-VOLTAGE LOOP, ELECTRICAL APPARATUS, CONTROL METHOD, DEVICE AND MEDIUMThe present application provides a protection circuit, high-voltage loop, electrical apparatus, control method, device and medium. The protection circuit comprises at least two auxiliary switch units …DRIVE·Sep 6·1 min readFollowB60L3/0069JIANGSU CONTEMPORARY AMPEREX TECH LTD [CN]
METHOD FOR DETECTING AN INSULATION FAULT IN A VEHICLE ON-BOARD ELECTRICAL SYSTEM AND VEHICLE OVERVOLTAGE PROTECTION CIRCUITA method for detecting an insulation fault in a vehicle on-board electrical system having an HV and LV on-board electrical system branches. The LV branch has at least one first LV potential and a seco…DRIVE·Aug 24·2 min readFollowB60L3/0069Vitesco Technologies GmbH
GROUND FAULT DETECTION DEVICEA ground fault detection device (100) includes: a detection capacitor (C1); a switch group (S1-S4) for switching between a first charging path connecting the battery (300) and the detection capacitor,…DRIVE·Aug 2·1 min readFollowB60L3/0069YAZAKI CORP [JP]
GROUND IMPEDANCE AND FAULT DETECTION SYSTEM AND METHODA ground impedance and fault detection system may include a controller that can identify a location of a ground fault in a circuit. The circuit also may include one or more positive contactors connect…DRIVE·Jul 27·1 min readFollowB60L3/0069Transportation IP Holdings, LLC
CIRCUIT BREAKERA circuit breaker having a mechanical switch introduced into a main current path, which comprises a fixed contact and a moving contact connected to a movably mounted contact bridge. The circuit breake…DRIVE·Jun 22·1 min readFollowB60L3/0069Ellenberger & Poensagen GmbH
SYSTEMS AND METHODS FOR ADDING A CONTACTOR AT OR NEAR AN MSDA system may be configured to replace a manual service disconnect (MSD). Some embodiments may: provide a set of batteries that include an MSD; remove the MSD; and install a contactor at the MSD. The r…DRIVE·May 18·1 min readFollowB60L3/0069COULOMB SOLUTIONS, INC.
ELECTRIC VEHICLE CHARGING CONTROLLER AND ELECTRIC VEHICLE CHARGER COMPRISING SAMEAn electric vehicle charger according to an embodiment of the present invention comprises an electric vehicle charging controller comprising an inlet comprising: an earthing pin coupled to a coupler a…DRIVE·May 4·2 min readFollowB60L3/0069LG INNOTEK CO., LTD.
CIRCUIT AND METHOD FOR DETECTING INSULATION RESISTANCEThe present application discloses a circuit and a method for detecting insulation resistance. The circuit includes: a first voltage dividing module, a second voltage dividing module, a third voltage d…DRIVE·May 3·2 min readFollowB60L3/0069CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
POWER SUPPLY DEVICE FOR VEHICLEA vehicle power supply device converts power from high voltage to low voltage by selectively connecting a predetermined power storage element group to a low voltage electric load from a high voltage p…DRIVE·Jan 12·1 min readFollowB60L3/0069IMASEN ELECTRIC INDUSTRIAL CO., LTD.
POWER SUPPLY DEVICE FOR VEHICLEA vehicle power supply device converts power from high voltage to low voltage by selectively connecting a predetermined power storage element group to a low voltage electric load from a high voltage p…DRIVE·Jan 5·1 min readFollowB60L3/0069IMASEN ELECTRIC INDUSTRIAL CO., LTD.
EARTH LEAKAGE DETECTING DEVICE, AND VEHICULAR POWER SUPPLY SYSTEMIn earth leakage detection device, one end of coupling capacitor is connected to a current path of power storage unit connected to load in a state of being insulated from the ground. Voltage output un…DRIVE·Nov 10·1 min readFollowB60L3/0069SANYO Electric Co., Ltd.
MOTOR DRIVE, A METHOD AND A CONTROL UNIT FOR HANDLING CONNECTION BETWEEN A MOTOR DRIVE AND A TVS IN AN AT LEAST PARTLY ELECTRICALLY OPERATED VEHICLEA motor drive in a an at least partly electrically operated vehicle. Motor windings are connected to a positive pole of a TVS and a capacitor is connected to a negative pole when a first, third and si…DRIVE·Nov 3·1 min readFollowB60L3/0069VOLVO TRUCK CORPORATION
DYNAMIC ISOLATION MONITORING WITH LOW SENSITIVITY TO NOISEA method of monitoring a battery system comprises connecting a voltage divider circuit to a battery of the battery system; measuring a first battery voltage; sampling a first chassis voltage for less …DRIVE·Sep 15·1 min readFollowB60L3/0069Analog Devices International Unlimited Company
METHODS AND SYSTEM FOR IMPROVING OPERATION OF A VEHICLE ELECTRIC POWER DISTRIBUTION BUSSystems and methods for operating an electric power distribution bus of an electric or hybrid vehicle are described. In one example, an output of an electric power consumer is decoupled from other ele…DRIVE·Aug 11·1 min readFollowB60L3/0069Ford Global Technologies, LLC
Electric Leakage Detection Apparatus, Electric Leakage Detection Method and Electric VehicleAn electric leakage detection apparatus for an electric vehicle including a battery and a chassis, includes a battery voltage sensor; a first series circuit including a first resistor and a first swit…DRIVE·Jun 30·2 min readFollowB60L3/0069LG Energy Solution, Ltd.
SHOCK PROTECTION FOR RADIO-INTERFERENCE-SUPPRESSED VOLTAGE TRANSFORMERS IN A POTENTIAL-FREE DC VOLTAGE NETWORKThe invention relates to a voltage transformer () for transformation between a direct voltage at a direct voltage gate () and a single-phase or multi-phase alternating voltage at an alternating voltag…DRIVE·Dec 23·2 min readFollowB60L3/0069Robert Bosch GmbH
GROUND FAULT DETECTION DEVICEA ground fault detection device connected to a high-voltage battery and a positive electrode side Y capacitor includes: a detection capacitor operating as a flying capacitor, a first switch and a firs…DRIVE·Sep 16·1 min readFollowB60L3/0069HONDA MOTOR CO., LTD.
METHOD FOR DETECTING AN ISOLATION FAULTA method for detecting an isolation fault in an isolation resistance between a positive and negative high-voltage bus rail and a vehicle chassis on a high-voltage propulsion side of a high-voltage sys…DRIVE·May 6·2 min readFollowB60L3/0069Ningbo Geely Automobile Research & Development Co., Ltd.
COMPENSATION APPARATUS FOR LEAKAGE CURRENTSA compensation apparatus compensates for leakage currents on conductors that include active conductors. The apparats () has a differential current measuring apparatus (), a power supply unit (), a fir…DRIVE·May 6·1 min readFollowB60L3/0069Dr. Ing. h.c. F. Porsche Aktiengesellschaft
FAULT IDENTIFICATION AND ISOLATION IN AN ELECTRIC PROPULSION SYSTEMAn electric propulsion system is described that includes at least one branch for distributing electrical power, provided by a power source, to one or more loads. The at least one branch is partitioned…DRIVE·Dec 14·2 min readFollowB60L3/0069ROLLS ROYCE CORP [US]
METHOD FOR DETECTING GROUND FAULT IN INVERTERThe present invention relates to a method for detecting a ground fault in an inverter. The method for detecting the ground fault in the inverter in a current detection using leg-shunt resistors includ…DRIVE·Oct 12·1 min readFollowB60L3/0069LSIS CO LTD [KR]
