216737 ⎘
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 ratio of voltage and current
Sub-classes:BATTERY MODULE
#2FAULT LOCATION SYSTEM USING VOLTAGE OR CURRENT MEASUREMENT FROM DIVERSE LOCATIONS ON A DISTRIBUTION NETWORK
#3CIRCUIT BREAKER DEVICE AND METHOD
#4Controlling an inverter to emulate synchronous generator under fault conditions
#5Systems and methods for high-speed falling conductor protection in electric transmission systems
#6Method for Detecting a Series Resistance Fault in a Digital-Electricity Transmission System
#7Fault location system using voltage or current measurement from diverse locations on a distribution network
#8Sensitive impedance-based string protection of multi-string and multi-stage capacitor
#9Transmission and distribution system with electric shock protection function and method of operating the same
#10Protection relay
#11Fault location system using voltage or current measurement from diverse locations on a distribution network
#12Methods and devices for selective insulation monitoring in ungrounded Isolé Terre (IT) power supply systems
#13Method for detecting fault in power transmission line and protection system using the same
#14Method and control system for fault direction detection
#15Protection apparatus
#16Electrical line status monitoring system
#17System and method for managing short-circuits in a meshed electrical energy distribution network of an aircraft
#18Method and protection device for generating an error signal indicating an error type of an error in a multi-phase electrical energy supply network
#19Charger for electric vehicles
#20Phase and ground protection using tilt-limited adaptive quadrilateral characteristic
#21Device for protecting electrical networks
#22Methods and devices for selective insulation monitoring in underground IT power supply systems
#23Methods and systems for adaptive distance protection
#24Ground potential rise sensors
#25Protection element having integrated distance protection with real time adaptation of the trigger time for detecting and separating high impedance errors in meshed networks
#26Electrical power system phase and ground protection using an adaptive quadrilateral characteristic
#27Electrical fault location determination in a distribution system based on phasor information
#28PROTECTION RELAY SYSTEM AGAINST SINGLE-PHASE FAULTS FOR MEDIUM-VOLTAGE DISTRIBUTION NETWORKS
#29Method and protective device for detecting a symmetrical short-circuit in a multiphase electrical power supply network
#30Method and apparatus for providing a power factor correction (PFC) compatible solution for electronic devices
#31Digital wireless network receptacle
#32Safe exposed conductor power distribution system
#33Substation automatic control system
#34Electrical line status monitoring system
#35Fault interrupting devices and control methods therefor
#36Safe Exposed Conductor Power Distribution System
#37Method and device for supervising secondary circuit of instrument transformer in power system
#38Reclosing system for power transmission line
#39Fast power swing unblocking method and apparatus for distance protection in power system
#40Method for production of a fault signal, and an electrical protective device
#41SHORT-CIRCUIT DISTANCE RELAY
#42Method for production of an oscillating signal and of an electrical protection device or measurement instrument having an oscillation identification device
#43DISTANCE RELAY USING REAL TIME LIGHTNING DATA
#44Method for determination of a setting value which indicates a ground impedance, and measurement device
#45Method of detecting faults on an electrical power line
#46Method and apparatus for providing a power factor correction (PFC) compatible solution for nonsinusoidal uninterruptible power supply (UPS)
#47Device and method for detecting faulted phases in a multi-phase electrical network
#48Method and adaptive distance protection relay for power transmission lines
#49Circuit arrangement and method for detecting the state of a circuit protection element
#50Device protection using temperature compensation
#51Distance protection relay and method
#52Method and Apparatus for Assessing Condition of Motor-Driven Mechanical System
#53Parameter estimation for and use of a thermal model of a power line
#54Fault location using measurements from two ends of a line
#55Determining an operational limit of a power transmission line
#56Method for detecting line-to-line fault location in power network
#57Protective relay for power systems having fault distance measurement filter logic
#58Method for detecting fault on transmission lines by using harmonics and state transition diagram