171929 ⎘
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 circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices Apparatus, systems or circuits therefor
Sub-classes:GENERATOR SET CIRCUIT BREAKER APPARATUS SYNCHRONIZATION TEST METHOD AND APPARATUS, DEVICE, AND MEDIUM
#2MEMS hot switch testing system
#3CIRCUIT BREAKER MECHANISM POSITION SENSOR SYSTEMS
#4TEST BUTTON LOOP DEVICE AND CIRCUIT BREAKER
#5SWITCHGEAR GROUND AND TEST DEVICE HAVING FIRST AND SECOND SETS OF GROUNDING BARS AND GROUND SHOE ASSEMBLY
#6Switchgear ground and test device having interchangeable grounding bars
#7TESTING SYSTEM THAT DETERMINES CONTACT EROSION IN CIRCUIT BREAKER
#8DC circuit breaker with an alternating commutating circuit
#9Switchgear ground and test device having interchangeable grounding bars
#10TEST SYSTEM AND MAIN DEVICE AND ADDITIONAL DEVICE THEREOF FOR TESTING AN ELECTRIC DEVICE
#11Testing system that determines contact erosion in circuit breaker
#12Relay diagnosis device, relay diagnosis method, battery system, and electric vehicle
#13Bushing
#14Apparatus and method for testing insulated high voltage devices
#15Sliding contact arc suppression
#16High power, multi-phase, AC power contact arc suppressor
#17High speed arc suppressor
#18Testing method for conduct synchronism of dual power transfer switch and apparatus thereof
#19Test apparatus and method for synthetically testing at least one switch device for a high-voltage battery of a vehicle
#20High power, multi-phase, AC power contact arc suppressor
#21System and method for integrated test on primary-secondary pole-mounted breaker
#22Sliding contact arc suppression
#23High speed arc suppressor
#24High power, multi-phase, AC power contact arc suppressor
#25Ungrounded control of low energy analog (LEA) voltage measurements
#26Testing system for traveling wave fault detectors
#27DC circuit breaker with an alternating commutating circuit
#28Ungrounded control of low energy analog (LEA) voltage measurements
#29Actuator for a medium voltage circuit breaker
#30Modification of test measurement signals for protective devices for electric power networks
#31Electrical ground and test devices and related methods
#32Testing device and method for testing a control unit of a switching device of a switchgear installation
#33RFID status monitor for high voltage and remote electric power systems
#34Test arrangement and method for testing a switching system
#35Synthetic test circuit for testing submodule performance in power compensator and test method thereof
#36Circuit arrangement for high-voltage tests and high-voltage testing system
#37Apparatus and methods for monitoring auxiliary contact status
#38Sensor for circuit breaker open and close failure prediction
#39Test system and method for testing a circuit breaker
#40Testing system for traveling wave fault detectors
#41Method and system for testing a switching installation for power transmission installations
#42Ground fault circuit interrupter (GFCI) monitor
#43Method and apparatus for testing utility power devices
#44Switch device
#45Safety test switch with actuation lever
#46Mechanical wear, wipe and stroke measurement system for circuit breakers
#47Mechanical wear, wipe and stroke measurement system for circuit breakers
#48Contact wear detection by spectral analysis shift
#49Portable diagnostic apparatus for testing circuit breakers
#50Method for testing multiple spatially distributed protective devices of an energy supply network, and corresponding testing system
#51Single phase AC chopper for high current control of complex and simple loads
#52Dual ground breaker testing system
#53Methods, systems, and computer readable media for providing user interfaces for specification of system under test (SUT) and network tap topology and for presenting topology specific test results
#54Methods, systems, and computer readable media for providing for specification or autodiscovery of device under test (DUT) topology information
#55Ground fault circuit interrupter (GFCI) monitor
#56Systems and methods for power interruption
#57Method for adapting an arc sensor
#58Method and apparatus for testing utility power devices
#59System and method for testing a circuit
#60Measuring device for checking an electrical circuit breaker
#61High speed controllable load
#62Ground fault circuit interrupter (GFCI) monitor
#63System and method for testing electrical equipment used in a power system
#64APPARATUS AND METHOD FOR EVALUATING HEALTH OF TAB CHANGER
#65TEST ACTUATOR FOR TAP CHANGER
#66Control and protection system of converter valve operation test equipment
#67High voltage thyristor valve multi-injection test method
#68System and method for testing a circuit
#69System level testing for substation automation systems
#70Continuous series arc generator
#71Circuit interrupter with continuous self-testing feature
#72Communication interface apparatus for an electrical distribution panel, and system and electrical distribution panel including the same
#73Electrical switching apparatus including a trip coil open circuit test circuit and system including the same
#74System and method for modulating a power supply in a relay test system
#75Arc wave generator for testing an arc-fault circuit interrupter
#76Automated arc generator and method to repeatably generate electrical arcs for AFCI testing
#77Relay testing system and method
#78Portable circuit interrupter tester and method
#79Method of manufacturing an extended test switch
#80Circuit breaker overcurrent and ground fault test apparatus
#81Programmable system for device testing and control
#82Portable test unit with load