171927 ⎘
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
Motor control device and steering device for vehicle
#302Method And Device For Monitoring A Test Interval For A Residual Current Protective Device
#303METHOD AND APPARATUS FOR ELECTRICALLY INDICATING A GAS CHARACTERISTIC
#304Protection circuit and gate driving circuit for semiconductor switching device
#305State of health estimation of power converters
#306Gate driving circuit having a fault detecting circuit for a semiconductor switching device
#307METHOD AND SYSTEM FOR TESTING MATRICES AND METHOD FOR CONTROLLING VOLTAGE CLOCKS
#308Semiconductor device and method of detecting wire open failure thereof
#309Apparatus and methods for input protection for power converters
#310Testing a fuse
#311Cubicle type gas insulated switchgear monitoring and diagnosis system
#312Tank-type switching device
#313Fault diagnosis device for multiplexer
#314Preventive diagnostic system for GIS based on IEC 61850
#315System and method for testing a circuit
#316Electromagnetic opening/closing device
#317CONSTRUCTION MACHINE
#318Plug-in electric vehicle supply equipment having a process and device for circuit testing
#319Switch failure diagnosis device and electric storage apparatus
#320Method and controller for an electric motor with switch testing
#321Apparatus for a circuit interrupter
#322Device and method for detecting state of overload and overcurrent protector
#323Circuit interrupter including indicator circuit
#324Test device, test system and method for testing a power engineering test object
#325Method for operating a magnetic switching element
#326Interlock switch circuit with single fault detection
#327Device and method for monitoring an integrity of a series-connection of a plurality of switches
#328BATTERY SYSTEM
#329Relay Welding Detector of Battery System and Battery System Which Uses the Detector
#330Method for operating a switching element
#331DEVICE FOR TESTING SHORT CIRCUIT PROTECTION FUNCTION OF POWER SUPPLY
#332Method for detecting a fault of an operating switch for initiating a vehicle function of a vehicle and operating switch for carrying out the method
#333Method and device for counting energisation events
#334Switch failure detection device, battery pack including the same, and method of detecting failure of electronic switch
#335Moisture monitoring system
#336Self-test of over-current fault detection
#337Diagnosable reverse-voltage protection for high power loads
#338Apparatus for detecting failure in driving circuit for electric lifting-lowering device
#339Method and apparatus for detecting a zero-voltage condition across four quadrant switches
#340Apparatus and method for detecting failure of switching device in inverter
#341Flexible magnetic field coil for measuring ionic quantity
#342Electric power source circuit and abnormality diagnosis system
#343Switch detection system
#344Method for detecting a switching position of a switching device
#345Wind energy installation and method for testing a rotational speed relay of a wind energy installation
#346Stacked via structure for metal fuse applications
#347Method and a system for simulation in a substation
#348System for monitoring electrical power usage of a structure and method of same
#349Systems and methods for measuring electrical power usage in a structure and systems and methods of calibrating the same
#350Galvanically isolated functional test for components
#351Circuit tracer
#352System and method for testing a circuit
#353Energy conversion system with fault detection and interruption
#354Circuit for simulating an electrical load
#355Device for monitoring a space by series-connected normally-open contacts, in particular cover interlock switches in a security enclosure
#356Electrical equipment assembly and method of calibrating an electrical equipment assembly
#357System for monitoring and assessing electrical circuits and method of operation
#358ELECTRIC POWER SOURCE CIRCUIT AND ABNORMALITY DIAGNOSIS SYSTEM
#359Apparatus for testing a protective measuring or metering device as a constituent part of a high or medium voltage installation, more specifically of a utility protective relay, of a generator protective device, of a current meter, or of other protective, measuring or metering electrical devices in a high or medium voltage installation
#360Intelligent circuit breaker apparatus and methods
#361System and method for ground fault detection and interruption
#362SYSTEM LEVEL TESTING FOR SUBSTATION AUTOMATION SYSTEMS
#363Circuit arrangement and method for detecting the state of a circuit protection element
#364Configurations and method for carrying out wafer level unclamped inductive switching (UIS) tests
#365Safe output circuit with a one-channel peripheral terminal for the ouput of a bus user
#366Configurations and method for carrying out wafer level unclamped inductive switching (UIS) tests
#367Apparatus and method for determining contact dynamics
#368Testing an electrical switchgear system
#369Systems and methods for monitoring electrical issues
#370Method and systems for electromagnetic protection with persistent self monitoring and cybersecure local and remote status report
#371Methods of making and using an identification tag system for use with an electrical breaker panel and an electrical outlet
#372Electronic circuit breaker with physical open-contact construction and fail-safe protection
#373Portable test unit with load
#374Electronic circuit tester and method of use
#375Relay testing device and methods for testing relays