171759 ⎘
Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere; Testing of electronic circuits, e.g. by signal tracer; Testing of electronic circuits specially adapted for particular applications not provided for elsewhere Testing of electronic protection circuits
METHOD PERFORMED BY A DIFFERENTIAL RELAYING PROTECTION APPARATUS
#2TESTING DEVICE AND TESTING METHOD FOR ENERGY DISSIPATION DEVICE IN POWER TRANSMISSION SYSTEM
#3LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES
#4CURRENT PATH DIAGNOSIS WITH THE AID OF AN ELECTRONIC FUSE
#5SELF-TEST AUTO MONITOR GROUND FAULT CIRCUIT INTERRUPTER (GFCI) WITH POWER DENIAL
#6PACKAGES AND PROCESSES FOR RADIO FREQUENCY MITIGATION AND SELF-TEST
#7Battery pack simulation apparatus and method of checking battery management unit by using same
#8Self-test auto monitor ground fault circuit interrupter (GFCI) with power denial
#9DEVICES AND METHODS FOR SURGE PROTECTION DEVICE MONITORING
#10System and method for input power detection of two power sources using single monitoring circuit
#11Method and device for impedance monitoring for protection against electric shock
#12Safety device for work on electrical systems
#13Systems and methods for circuit failure protection
#14Circuit testing and diagnosis
#15Internal device sequencer for testing mode
#16Configurable test instrument for power equipment
#17Ground fault interrupter self test circuits and related methods
#18Devices and methods for surge protection device monitoring
#19Methods and systems for identifying a malfunctioning current sensor
#20Circuits and methods for supply voltage detection and timing monitoring
#21Self-test auto monitor ground fault circuit interrupter (GFCI) with power denial
#22Functional safety system
#23Devices and methods for surge protection device monitoring
#24Ground-wall insulation aging monitoring and locating method for converter transformer
#25Electric component with fail safe element
#26Self-check system and method thereof
#27Ground fault interrupter self test circuits and related methods
#28Self-test auto monitor ground fault circuit interrupter (GFCI) with power denial
#29Electrical power supply panel with increased safety through monitoring and control
#30Devices and methods for surge protection device monitoring
#31Intrinsically safe Zener diode barrier with indication
#32Noise generation circuit, self-checking circuit, AFCI, and photovoltaic power generation system
#33Testing system for traveling wave fault detectors
#34Method for detecting anti-island protection performance of inverter
#35Ground fault circuit interrupter
#36Apparatus and method for sensing opening of current interrupt device of battery unit
#37Circuit interrupter and system for testing the same
#38GFCI self test software for autonomous monitoring and fail safe power denial
#39Lightning measuring system for a wind turbine
#40Transient voltage suppressor having built-in-test capability for solid state power controllers
#41Self-testing auto monitor ground fault circuit interrupter (GFCI) with power denial
#42Checking a multi-pole electrical circuit breaker
#43High current limit trim apparatus and methodology
#44Built-in test circuits for transient voltage protection devices
#45Devices and methods for surge protection device monitoring
#46Battery charge protection system
#47GFCI self test software for autonomous monitoring and fail safe power denial
#48Testing apparatus usable with circuit interruption apparatus
#49Method of detecting metal oxide varistor (MOV) failure within a surge protection device
#50Built in test circuit for transient voltage suppressor devices
#51Safety circuit monitoring using alternating voltage
#52OVERVOLTAGE PROTECTION ELEMENT MONITORING
#53Surge protection device for multi-protection mode communications
#54Interlock detector with self-diagnosis function for an interlock circuit, and method for the self-diagnosis of the interlock detector
#55Battery Charge Protection System
#56Devices and methods for providing an impulse circuit
#57Protection apparatus and method of verifying operation thereof
#58Self-testing auto monitor ground fault circuit interrupter (GFCI) with power denial
#59Over voltage protection testing apparatus
#60Excess voltage protection apparatus and diagnostic method for multi-stage excess voltage protection apparatuses
#61Transient voltage suppression protection circuit including built in testing
#62GFCI self test software functional program for autonomous monitoring and fail safe power denial operations
#63Ground fault circuit interrupter and method
#64Base element for accommodating an overvoltage protection module, and modular bus system
#65Tester for lightning arresters counter
#66Surge protection circuit and method for testing a surge protection circuit
#67Method and device for detecting state of overcurrent protector for battery
#68Method and device for diagnosing a discharge circuit of an electrical system
#69GROUND FAULT INTERRUPT AUTOMATIC TEST METHOD FOR ELECTRIC VEHICLE
#70Doubly-fed induction generator system and the self-test method for the active crowbar circuit thereof
#71Method of testing a spur short circuit protection system and diagnostic device for performing the method
#72Battery charge protection system
#73Measuring system for a down conductor of a wind turbine blade
#74DISTRIBUTED SAFETY MONITORING SYSTEM PROVIDED WITH A SAFETY LOOP AND METHOD OF TESTING SUCH A SYSTEM
#75Lightning protection for wind turbines
#76Flashover analysis tool
#77Online IED Fault Diagnosis Device and Method for Substation Automation System Based on IEC61850
#78Method of measuring characteristic impedance of electrostatic discharge protecting circuit and apparatus for realizing the same
#79Method and apparatus for calculating voltage drop
#80Modular, exchangeable surge protection system
#81Portable circuit breaker test and control system
#82Detection of a silent failure of a surge protection device