216694 ⎘
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
Multiple core transformer assembly
#302Arc fault circuit interrupter (AFCI) with arc signature detection
#303Ground fault circuit interrupter with combined tripping curve for electric vehicle charging
#304Quick-action leakage detection protection circuit having regular self-checking function
#305Elevator safety arrangement having earth fault detection
#306Short-circuit determination method and electronic device
#307Protection method for protecting a generator or power station unit and protective device for carrying out such a method
#308Circuit interrupter with reset mechanism
#309Energy storage apparatus, vehicle, internal short-circuit detection controlling method for energy storage apparatus, and charge controlling method for energy storage apparatus
#310Inverter with independent current and voltage controlled outputs
#311Power receiving apparatus and control circuit thereof
#312SHORT-CIRCUIT-PROTECTION ELECTRONIC SWITCH
#313High voltage cutoff for electrified vehicles
#314Power converting device and ground impedance value detecting method
#315Load side ground fault circuit interruption protection for fluid pump motor
#316Access control method for parallel direct current power supplies and device thereof
#317Device for detecting and eradicating a leakage and/or stray current in/from a water body
#318Transformerless DC to AC converter
#319Arc fault detection unit
#320Accidental arc detection unit and method thereof
#321Arc fault detection unit
#322Ground fault detection circuit, abnormality detection circuit, light emitting device, vehicle
#323Over-voltage and ground fault protection for bus connectors
#324Control circuit for electric leakage circuit breaker
#325Electromagnetic streamer safety
#326Devices, systems, and methods for protection of switchgear against electrical arcs
#327Analog signal detecting circuit for processing an analog signal for monitoring by discriminating the normal signal from noise
#328Disconnection of a string carrying direct current power
#329Method for distinguishing an arc from a luminous gas containing at least metal vapor
#330Arc fault circuit interrupter detector systems including super regenerative high frequency receiver
#331Route protection circuit and liquid crystal display
#332DC power heater short-to-chassis ground detection circuit
#333Vehicle or marina power pedestal including ground fault indicator
#334SHORT DETECTION CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME
#335Circuit interrupter with audible indicator circuit
#336Power pedestal including adjustable ground fault protection
#337Methods and devices for detecting a disconnection of a protective conductor connection
#338Electric leakage protection device and feed control device
#339Method for operating parallel auxiliary converters in a rail vehicle
#340Energy-saving ground-fault circuit interrupter
#341Apparatus and methods for electrical overstress protection
#342Systems and methods for testing ground fault circuit interrupter breakers within enclosures
#343Ground overcurrent control system and methods of using same
#344Ground fault detection and interrupt system
#345Electrical junction box system
#346Arc detection and prevention in a power generation system
#347MARINA POWER PEDESTAL INCLUDING STRAY CURRENT PROBE
#348Solar photovoltaic system protecting apparatus and solar photovoltaic system protecting method
#349Isolated DC power supply device
#350System and method for ground fault detection
#351System and method for ground fault detection
#352High-speed closing device and switchgear including high-speed closing device
#353Ground fault circuit interrupter using frequency recognition and measurement
#354Arc fault circuit interrupter
#355Fault protection devices and methods for power systems
#356Semiconductor device
#357Protective device for an electrical supply facility
#358Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit
#359Grounding safety control point monitoring method, measuring circuit and equipment grounding measuring system
#360Method and devices for extended insulation-fault search using a multifunctional test current
#361Smart power node
#362System and method for dynamic ground fault detection
#363Fault detection system
#364Ground fault detection device
#365Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit and power supply
#366Residential electrical energy installation
#367System and method for isolating ground faults in a wind turbine
#368Protection circuit and ground fault circuit interrupter
#369Self-testing ground fault circuit interrupter and associated method
#370Method and device for shutting down an installation part exhibiting an insulation fault in an ungrounded power supply system
#371Fuse box for mitigating arc faults and current surges
#372Insulation monitoring device having voltage monitoring and underlying method
#373Circuit protection device with automatic fault monitoring and detection function
#374Multifunction circuit breaker with single test button
#375Power switching control apparatus and switching control method therefor
#376Method for detecting electrical faults in a circuit
#377Safety-oriented load switching device and method for operating a safety-oriented load switching device
#378Leakage current detection circuit, light apparatus comprising the same and leakage current detection method
#379Secured fault detection in a power substation
#380Electrical or electronic device with two supply voltages
#381Leakage current detection device for appliances
#382Device and method for fault current detection
#383GFCI RECEPTACLE
#384Disconnection of a string carrying direct current power
#385High voltage DC circuit breaker
#386Arc-fault and ground fault interrupter using a single ground fault sensor and single ADC
#387Method to detect arcing faults using switched elements at outlet
#388Apparatus for mitigation of adverse effects of geomagnetically induced currents on transformers
#389Systems and Methods for Subsea Cable Ground Fault Isolation
#390GFCI with cycle counter
#391Electrical device with power quality event protection and associated method
#392Reverse grounding protection circuit and ground fault circuit interrupter
#393Diagnosis apparatus for field winding type rotating electric machine and diagnosis method for field winding type rotating electric machine
#394LED drive device
#395Detecting ground isolation fault in ethernet PoDL system
#396Safety apparatus of fuel cell vehicle and method for controlling the safety apparatus
#397Apparatus and methods for monitoring and responding to power supply and/or detection circuit failures within an electronic circuit breaker
#398SYNTHETIC FAULT REMOTE DISCONNECT FOR A BRANCH CIRCUIT
#399System and method for self-testing a ground fault circuit interrupter
#400Electrical protection device and a method of providing electrical protection
#401METHODS FOR PROVIDING GENERATOR STATOR WINDING GROUND FAULT PROTECTION
#402Drive control method of power semiconductor module and control circuit of power semiconductor module
#403Coil actuator a for low and medium voltage switching apparatus and an arc fault coil suppression device comprising said coil actuator
#404Leakage current detecting circuit-breaker with a flexible shield cord
#405Self-calibrating circuit interrupter
#406Short-circuit switch having semiconductor switch and arrangement for short-circuiting a three-phase alternating voltage
#407Arc fault circuit interrupter with surge suppression
#408Electrical Power Distribution and Conversion Assembly Suitable for Portable Work Platforms
#409Output module for programmable controller
#410Reinstallable circuit interrupting device with vibration resistant miswire protection
#411Method and device for detecting an electric arc in a photovoltaic installation
#412Power supply device supplying limited DC power to load based on ground fault detection
#413Power converter and power conversion method
#414Apparatus and method for automatic ground fault location determination in high resistance grounded motor drive system
#415Circuit interrupter with over-temperature protection function for power cord
#416Leakage current detection interrupter with self-testing function and over-temperature protection function
#417Fault arc detection method and detection device
#418Earth Leakage Circuit Breaker
#419High-volume direct current power distribution and fault protection
#420Inverter inrush current limiting
#421Transformer protection circuit and method
#422Remotely controlled photovoltaic string combiner
#423Power supply device and illumination device for vehicle using same
#424Residential electrical energy installation
#425System for protecting of a plurality of DC voltage sources
#426Printed circuit board assemblies providing fault detection
#427High voltage cutoff for electrified vehicles
#428Device for detecting welding of relay
#429USB adapter protection
#430Zero-phase-sequence current transformer, ground fault current detection device, power conditioner, and method for detecting malfunction of zero-phase-sequence current transformer
#431Door latch interruption upon detection of current leakage
#432Mini appliance leakage current interrupter circuit and housing embodiments
#433Elevator safety arrangement having earth fault detection
#434Self-test GFCI device with dual solenoid coil electric control
#435ELECTRICAL FAULT PROTECTION DEVICE
#436Photovoltaic panel circuitry
#437Circuit arrangement and operating method
#438Drive control method based on detected dielectric breakdown
#439Method to provide a more robust GFCI circuit breaker
#440In-vehicle charger
#441Arc fault circuit interrupter
#442Apparatus and method for automatic ground fault location determination in high resistance grounded motor drive system
#443Panel device having electrostatic discharge protection
#444Virtual Circuit Breaker
#445Device and method for protection from an electric arc
#446Portable ground fault circuit breaker
#447Signal-activated circuit interrupter
#448Method and system for architecture, control, and protection systems of modular stacked direct current subsea power system
#449Two-pole circuit breakers
#450Neutral grounding resistor monitor
#451Modular power skid that can meet two or more different datacenter tier ratings
#452Control circuit for excess energy removal in power transmission lines
#453ELECTRICAL DISTRIBUTION SYSTEM
#454Method and system for control and protection of direct current subsea power systems
#455Control circuit
#456Fuse assembly including controlled separable contacts and power system including the same
#457Control and protection device for low-voltage electrical appliance
#458Managing steering with short from battery to ground
#459Electrical Power Distribution and Conversion Assembly Suitable For Portable Work Platforms
#460Protection of photovoltaic modules of a photovoltaic generator against surge voltages relative to ground
#461ELECTRIC-VEHICULAR CHARGE AND DISCHARGE DEVICE
#462PROTECTIVE CIRCUIT FOR AN ELECTRICALLY FLOATING PHOTOVOLTAIC ARRAY
#463Plug-on neutral breakers and related methods
#464Power supply control device
#465System and method for monitoring electrical ground condition between a marine vessel and a loading-offloading facility
#466Electrical safety system with timer
#467GFCI with voltage level comparison and indirect sampling
#468Ground fault detection device, ground fault detection method, solar energy system, and ground fault detection program
#469Ground fault protection systems and methods
#470Method of electricity leakage detection and prevention of electrical equipment's outer surface and system thereof
#471System for detection of a ground fault in a high resistance ground network
#472Arc fault circuit interrupter
#473Method of distance protection of parallel transmission line
#474Safe quick disconnect leakage protector
#475Circuit interrupter providing ground fault protection and system including the same
#476Circuit interrupter including supervisory function for protective function and hardware circuit repetitive test function
#477Method and system for open neutral protection circuit
#478GROUND FAULT PROTECTION
#479Short-circuit detecting apparatus and method of heating system for high voltage battery
#480Fault detecting device for an electricity supply
#481Voltage sensor contact for an electronic device
#482Wind turbine fault detection circuit and method
#483Protection method and device of an electrical network for aircraft
#484Supply system for an aircraft, use of a shielded supply line in an aircraft and an aircraft with a supply system
#485Universal Ground Fault Interrupter (GFCI) Device and Printed Circuit Board Package
#486Signal Activated Circuit Interrupter
#487Residual current device (RCD) with earth current sensing
#488Charging device for a high-voltage battery of a motor vehicle, charging assembly and method for operating a charging assembly
#489POWER SUPPLY SYSTEM FOR VEHICLE
#490Serially connected micro-inverter system having concertina output voltage control
#491Smart load center for distribution of power from two sources
#492Arc fault detector, electrical device having the arc fault detector, and method of controlling the electrical device
#493Solar panel, power inverter, theft and arc protection system and methods of protection
#494Earth fault detection circuit and power source device
#495Interface unit having overcurrent and overvoltage protection device
#496Method and system for detecting an arc fault in a power circuit
#497Power distribution system incorporating ground fault interrupt protection
#498Power supply circuit for on board energy source or storage device and particularly for super-capacitor storage unit
#499Device and method for estimating a touch current and protecting an electrical apparatus against such touch currents
#500Protection relay for sensitive earth fault protection
#501Reinstallable circuit interrupting device with vibration resistant miswire protection
#502Unit rack for power storage and power storage apparatus comprising the same
#503FAULT PROTECTION CIRCUIT FOR PHOTOVOLTAIC POWER SYSTEM
#504Leakage detection breaker
#505Photovoltaic panel circuitry
#506Leakage protection socket with integrated baffle locking mechanism
#507Grounding apparatus
#508Lockout switching strategy for preventing high voltage transition
#509Battery charger for an electrically-driven vehicle and method of confirming earth leakage applicable thereto
#510Semiconductor integrated circuit, protection circuit, and battery pack
#511Determination of the fault current component of a differential current
#512System of current protection of a primary electrical distribution box
#513DC power supply insulation fault detection circuit
#514Automobile charging apparatus
#515Combination GFCI/AFCI receptacle with class 2 power units
#516Solar energy conversion and utilization system
#517Sentinel unit for an IT electrical distribution system having a floating reference conductor
#518Safety relay and safety-related communication system
#519DC electrical power system
#520Fuse continuity detection
#521Electric leakage detection protective circuit with magnetic lock mechanism
#522Ground fault detection circuit and ground fault detection apparatus
#523Disconnection of a string carrying direct current power
#524Inverter, power generation system and method of operating a power generation system
#525Synchronous rectified switch with auto fault clearing
#526Three phase multi-generator ground fault circuit
#527Systems, methods, and apparatus for leakage current masking and ground fault detection
#528Dual-comparator restricted earth fault protection
#529Method and apparatus for supplying power to a connection device
#530System for detection of a ground fault in a high resistance ground network
#531Leakage protection outlet
#532PHOTOVOLTAIC ARRAY GROUND FAULT DETECTION IN AN UNGROUNDED SOLAR ELECTRIC POWER GENERATING SYSTEM AND TECHNIQUES TO TRANSITION ONTO AND OFF THE UTILITY GRID
#533Photovoltaic bipolar to monopolar source circuit converter with frequency selective grounding
#534Apparatus, system and methods for ground current detection
#535Ground fault detection device
#536Methods for installing an antenna reception system
#537Constant current-type high-voltage power supply apparatus and method of controlling power output from the same
#538Method and circuit arrangement for connecting at least one string of a photovoltaic system to an inverter
#539Ground fault detecting system and electric vehicle with ground fault detecting system
#540Bipolar DC to AC power converter with DC ground fault interrupt
#541Arc monitor
#542Manually-controlled arc flash energy reduction system and method for circuit breaker trip units
#543Leakage current detection and interruption circuit powered by leakage current
#544Transmission system
#545Leakage current detection and interruption circuit with improved shield
#546Electronic device with electricity leakage protection
#547High voltage ground fault detection system
#548SYSTEM AND METHOD FOR FAULT DETECTION AND HAZARD PREVENTION IN PHOTOVOLTAIC SOURCE AND OUTPUT CIRCUITS
#549Earth Leakage Protection Device with Time Alert Feature
#550Apparatus, system and methods for ground current detection
#551Technique for high-impedance ground fault detection at the common DC bus of multi-axis drives
#552Method and apparatus for detecting ground fault current on a power line
#553Ground Fault Detector Interrupter
#554Leakage current detection and interruption circuit
#555Electrical fault detection
#556Manually-controlled arc flash energy reduction system and method for circuit breaker trip units
#557Leakage current detection and interruption circuit with improved shield
#558LCDI with isolated detection and interruption
#559Solar power system
#560Inverter ground fault circuit
#561Extension cord having open neutral during fault detection trip
#562Electrical ground isolation and secondary failure reduction detection and isolation
#563Method and circuit arrangement for the detection of ground faults on electronic trips for low-voltage circuit breakers comprising serially connected measuring amplifiers
#564Leakage current detection and interruption circuit
#565Rotating angle detecting apparatus and electric power steering apparatus
#566Fused and sealed connector system for permanent reservoir monitoring and production control
#567Material, apparatus, and method for electrically shielding heated components
#568Automatic ground fault circuit interrupter (GFCI) reset system and apparatus and method therefor
#569Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances
#570Leakage current detection and interruption device, electrical connector and electrical appliance
#571Stand-alone safety isolated area with integrated protection for supply and signal lines
#572LCDI power cord circuit
#573Testguard circuit with auto monitoring and end-of-life circuitry
#574Detection and protection of power phase loss and neutral failure
#575Power pedestal, ground fault indication system, and printed circuit board assembly therefor
#576Overload detection for electrical wiring
#577Circuit breaker for DC circuits using coupled induction
#578Network of interconnected circuit protection devices
#579Generator with selectively bonded neutral connection