171597 ⎘
Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom; Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant; Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line Measuring resistance to earth, i.e. line to ground
ENERGY STORAGE SYSTEM AND INSULATION IMPEDANCE DETECTION METHOD FOR ENERGY STORAGE SYSTEM
#2POWER CONVERTER AND INSULATION DETECTION METHOD FOR POWER CONVERTER
#3METHOD AND DEVICE FOR DETERMINING A GROUNDING IMPEDANCE
#4METHOD AND DEVICE FOR MEASURING AN EARTH RESISTANCE IN A BATTERY CHARGING SYSTEM
#5METHOD FOR MEASURING AN EARTH RESISTANCE IN A BATTERY CHARGING SYSTEM
#6APPARATUS AND METHOD FOR GROUND FAULT MONITORING
#7SYSTEMS AND METHODS FOR ESTIMATING NEUTRAL IMPEDANCE AND DETECTING FAULTED NEUTRAL CONNECTION IN AN ELECTRICAL METER
#8MEASUREMENT METHOD, MEASUREMENT DEVICE, AND MEASUREMENT SYSTEM
#9SYSTEM FOR PROTECTING AN ELECTRICAL CIRCUIT FOR AN AIRCRAFT
#10MEASURING METHOD AND SINGLE-TORUS LOOP OHMMETER WITH AC LEAKAGE FLUX COMPENSATION
#11MEASURING METHOD AND SINGLE-TORUS LOOP OHMMETER WITH DC LEAKAGE FLUX COMPENSATION
#12Forced Symmetry Insulation Monitoring Device and Method
#13Method and device for insulation monitoring and insulation fault location for unearthed power supply networks
#14Apparatus and method for ground fault monitoring
#15POWER SUPPLY DEVICE
#16METHOD AND APPARATUS TO GENERATE AN ALERT BASED ON HEALTH OF AN EARTHING SYSTEM
#17GROUNDING IMPEDANCE MEASURING CIRCUIT AND GROUNDING IMPEDANCE MEASURING METHOD
#18Method and electric circuit arrangement for determining a branch insulation resistance and a branch leakage capacitance in an ungrounded power supply system
#19IMPEDANCE DETECTION METHOD AND PHOTOVOLTAIC SYSTEM
#20Method and monitoring device for determining a partial insulation resistance and a partial system leakage capacitance in a branched ungrounded power supply system
#21Method and device for impedance monitoring for protection against electric shock
#22Method and device for determining the resistive component of the leakage current impedance in the alternating current network
#23Electricity leakage detection device and vehicle power supply system
#24Method and device for monitoring insulation between a DC bus and protective earth
#25Measurement individual difference correction system in ground voltage measurement
#26Method and measuring device for detecting a leakage current in an ungrounded, single-phase alternating-current power supply system
#27Measuring loop resistance
#28Method for estimating the insulation resistance of a high-voltage circuit in an electric or hybrid motor vehicle
#29System and method for detecting bearing insulation and ground brush health in a generator
#30Insulation resistance detection system for electric vehicle and insulation resistance detection method thereof
#31Dynamic isolation monitoring with low sensitivity to noise
#32Ground fault interrupter self test circuits and related methods
#33Insulation impedance detection method, apparatus, and system
#34Anisotropic constitutive parameters for launching a Zenneck surface wave
#35Apparatus for measuring insulation resistance
#36Automated method to check electrostatic discharge effect on a victim device
#37Methods, devices and systems for detecting an isolation fault in an electrical installation
#38System for checking the electrical insulation in converters for electric cars
#39Insulation resistance detection circuit and method
#40Testing apparatus for detecting insulation resistance of a high voltage line and method for same
#41DC-DC converter for photovoltaic energy storage system and method for controlling same
#42Insulation resistance determination apparatus
#43Insulation resistance detection device
#44METHOD FOR SUPPRESSING FAULT PHASE RESIDUAL VOLTAGE OF RESONANT GROUNDING SYSTEM BASED ON PRECISE TUNING CONTROL ON ACTIVE ADJUSTABLE COMPLEX IMPEDANCE
#45Method for monitoring a ground resistance of an electric installation
#46Embedded high frequency ground monitor
#47Anisotropic constitutive parameters for launching a Zenneck surface wave
#48Insulation impedance detection circuit and insulation impedance detection method of photovoltaic inverter system
#49Circuit arrangement having an active measuring voltage for determining an insulation resistance against ground potential in an ungrounded power supply system
#50Inspection tool for a perforating gun segment
#51Ground conductor monitoring
#52Electrical network impedance determination
#53Electrical continuity detection system
#54Apparatus for measuring insulation resistance
#55Apparatus and method for electrically killing plants
#56Drawing apparatus and drawing method
#57Method and devices for determining the elements of a dielectric equivalent circuit diagram for an insulation of an electric system
#58Systems and Methods for Active Testing of Electrostatic Grounding
#59Insulation detection circuit and detection method thereof for two-way on-board charger
#60Integrated circuit having insulation monitoring with frequency discrimination
#61Method for identifying an outgoing circuit having an earth fault in a three-phase power supply system
#62Inspection tool for a perforating gun segment
#63Ground impedance measurement of a conduit system
#64Electric circuit arrangement and method for coupling an insulation monitoring device to an ungrounded power supply system
#65Single-fault-tolerant isolation resistance determination in a photovoltaic system
#66Secure distance protection of electric power delivery systems under transient conditions
#67Arrangement for injection-based ground fault protection handling
#68Inspection tool for a perforating gun segment
#69Methods and devices for testing the function of an insulation monitoring device
#70Ground fault interrupter self test circuits and related methods
#71Motor vehicle electric system comprising a monitoring of insulation for supplying an environment sensing system
#72Sensitive DC Current Imbalance Detector And Calibration Method
#73Method for preventing a dangerous, higher-frequency earth fault current for an electrical drive system
#74Coupling circuit with switching function for coupling an insulation monitoring device to an unearthed power supply system
#75VOLTAGE SOURCE CONVERTER
#76Electrical power supply panel with increased safety through monitoring and control
#77Isolation monitoring device and method
#78Earth fault detecting device, and electricity storage system
#79System for monitoring resistance and current in ground line
#80Monitoring device and method of monitoring an impedance of a protective conductor, and charging control unit
#81Monitoring apparatus and method for monitoring an AC voltage source, which is DC-decoupled from a reference potential
#82Motor driving device and measuring method
#83Motor driving device and measuring method
#84Method and apparatus for measuring prospective short circuit current
#85System and method for electric current leakage detection in a land seismic system
#86Shoe and method for detecting electrical leakage using the same
#87Frequency regulation method and apparatus
#88Method, electrical circuit arrangements and insulation monitoring devices for an interference-resistant insulation monitoring of an ungrounded power supply system having a converter
#89Bus system and method for diagnosing a short circuit
#90Method for insulation fault location and an insulation fault location system for an ungrounded power supply system
#91Insulation detector and electric apparatus
#92Inverter having grid disconnection point and insulation resistance measurement and method for measuring an insulation resistance
#93Ground impedance measurement of a conduit system
#94Magnetic tape abrasivity measurement
#95INSULATION STATE DETECTION DEVICE
#96Residual current detecting (RCD) and ground impedance monitoring transformer and control methods
#97Clamp meter
#98Power transmission system and method for operating a power transmission system
#99Apparatus and Method for Electrically Killing Plants
#100Impedance measuring device
#101Power converting device and ground impedance value detecting method
#102Sealant detection apparatus, method and assembly
#103Sensitive DC current imbalance detector and calibration method
#104Residual current detecting (RCD) and ground impedance monitoring transformer and control methods
#105Apparatus for determining insulation resistance at a PV generator, and photovoltaic installation
#106Insulation resistance measuring device and method
#107Methods and devices for testing the function of an insulation monitoring device
#108Detection circuit and detection method for detecting insulation resistance of photovoltaic inverter, and photovoltaic inverter
#109Error detection device
#110Ground fault monitoring system
#111Safety detection device and method of grid-connected inverter
#112Power distribution unit and fault detecting method
#113Cascaded multilevel converter self-test system and self-test method for the same
#114Ground fault detection circuit
#115Method and device for insulation fault location having an adaptive test current determination
#116Electrical storage system
#117Combined device for electrical protection against transient overvoltages and monitoring of an electrical installation
#118Insulation detector and electric apparatus
#119Ground reference fault detection in circuits with multiple ground references
#120Automated digital earth fault system
#121Estimation of the insulation resistance between a motor vehicle battery and the earth
#122Devices for ground-resistance detection
#123Two-wire resistance terminated ground check
#124Single wound current transformer impedance measurement circuit
#125Ground fault circuit interrupter and method
#126Grounding resistance measurement apparatus and method of operating the same
#127Electrostatic grounding apparatus for electrically grounding a mat having an electrically conductive layer
#128Method and apparatus for ground fault detection
#129Insulation monitoring device
#130Insulation resistance detection method and circuit for ungrounded DC power supply system
#131Insulation monitoring device for simultaneously monitoring network sections of an ungrounded power supply system
#132Determining insulation resistance for photovoltaics
#133Device and method for insulation monitoring in a power supply system including a high-resistance grounded neutral point
#134Insulation fault locating system using branch-selective feeding, and selective insulation fault monitoring system and method for determining a cross-connection impedance between two subsystems
#135System and method for secure charging of a motor vehicle battery
#136Method and apparatus for monitoring an electric power circuit
#137Detection of a leakage current comprising a continuous component in a vehicle
#138Power over Ethernet parameter storage
#139Insulation state detecting device
#140Method and device for determining a maximum leakage current
#141Ground potential rise sensors
#142Earthed connection detection
#143Ground fault detection circuit
#144Isolation resistance measuring apparatus having fault self-diagnosing function and fault self-diagnosing method using the same
#145Method for monitoring and measuring an insulation resistance with interference-resistant measuring signal
#146Detection of an insulation defect
#147Method for monitoring insulation faults in an electric network and vehicle comprising an insulation fault monitor
#148Isolation monitoring using a test signal of variable frequency
#149Apparatus and method for measuring insulation resistance of battery
#150Device for detecting a defect in insulation
#151Method of measuring earth ground resistance of a pylon
#152Insulation deterioration detection apparatus
#153Insulated condition detector with fault detection and location
#154Method and device for enhancing the reliability of generator ground fault detection on a rotating electrical machine
#155Pulse generator circuit arrangement and method for generating pulsed signals for insulation fault location in IT networks
#156Subsea power switching device and methods of operating the same
#157Isolation monitor
#158Method and apparatus for high voltage isolation monitor for a vehicle
#159Procedures for the operation of an electrical circuit
#160Insulation monitoring system for secured electric power system
#161Leakage resistance detection device for an on-board high voltage device and leakage resistance detection method therefor
#162Ground fault circuit interrupter and method
#163Impedance measuring circuit
#164Battery insulation resistance measurement methods, insulation resistance measurement methods, insulation resistance determination apparatuses, and articles of manufacture
#165Circuit for measuring insulation resistance
#166Insulation resistance monitoring for vehicles with high-voltage power net
#167Method and apparatus for determining an insulation resistance in a grounded isole terre system
#168Insulation state detection circuit for ungrounded power source
#169Method for insulation fault monitoring with dynamic response characteristic
#170Method and a device for impressing a measuring-signal voltage on a power supply network
#171Apparatus and method for measuring ground impedance of a circuit
#172Vehicular insulation resistance detection apparatus
#173Measuring device for measuring insulation resistance of an electric vehicle
#174Measurement of insulation resistance of configurable photovoltaic panels in a photovoltaic array
#175METHOD AND SYSTEM FOR DETERMINING DC BUS LEAKAGE
#176Method and device for determining a maximum leakage current
#177Method for measuring a current, in particular by means of a grounding apparatus
#178Method and device for monitoring the insulation of ungrounded DC and AC voltage networks
#179Insulation resistance measurement device and insulation resistance measurement method
#180Method and device for insulation monitoring of non-grounded electrical DC and AC grids
#181Device for monitoring the insulation of a non-grounded electrical DC grid, particularly a photovoltaic system, and system comprising such a device
#182Arrangement and method for monitoring galvanic isolation of fuel cell device
#183Ground monitor
#184Isolation monitoring system and method utilizing a variable emulated inductance
#185Method for monitoring insulation faults in an electric network and vehicle comprising an insulation fault monitor
#186METHOD OF MEASURING EARTH GROUND RESISTANCE OF A PYLON
#187Battery insulation resistance measurement methods, insulation resistance measurement methods, insulation resistance determination apparatuses, and articles of manufacture
#188Ground fault circuit interrupter and method
#189Circuit arrangement for monitoring an electrical insulation
#190Apparatus and method for sensing leakage current of battery
#191Method for measuring a current, in particular by means of a grounding apparatus
#192Signal generating circuit for detecting ground status
#193Grounding monitoring device and system for work
#194Grounding Monitoring Device For Work Station Operator
#195Insulation resistance detecting apparatus
#196Systems and methods for electrical leakage detection and compensation
#197Multi-ended fault location system
#198Ground resistance test apparatus
#199System and method to zero-sequence verify ground return path integrity by comparing measured zero-sequence current in an autotransformer with a second zero-sequence current source
#200Circuit arrangement and method for insulation monitoring for inverter applications
#201Voltage detecting apparatus
#202Method for measuring the insulation resistance in an IT network
#203Measuring array
#204Leakage detection circuit for electric vehicle
#205Ground-fault resistance measurement circuit and ground-fault detection circuit
#206State detecting method and insulation resistance detector
#207Testing loop impedance in an RCCB electrical test circuit
#208Ground circuit impedance measurement
#209Loop impedance meter
#210Battery leakage detection circuit for electric vehicle and leakage detection method for electric vehicle
#211DC ground fault detection with resistive centering
#212Procedure to measure grounding resistances of electrical installations by measuring the loop impedance
#213Leakage current or resistance measurement method, and monitoring apparatus and monitoring system of the same
#214State detecting method and insulation resistance fall detector
#215Insulation resistance drop detector and method of detecting state thereof
#216Ground network monitoring system
#217Magnetic tape abrasivity measurement
#218System testing techniques