216816 ⎘
Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for AC-AC converters
METHOD FOR DETECTING EARTH FAULTS AND FREQUENCY CONVERTER SYSTEM WITH EARTH FAULT DETECTION
#2INTELLIGENT POWER DISTRIBUTION AND REGULATION
#3TEMPERATURE INFERENCE DEVICE AND CONVERTER SYSTEM
#4SWITCHING MODULE
#5Power Converter Failure Detection and Prevention
#6Adjustable speed drive with integrated solid-state circuit breaker and method of operation thereof
#7Power converter failure detection and prevention
#8System for limiting a peak current of short-circuit current
#9Adjustable speed drive with integrated solid-state circuit breaker and method of operation thereof
#10Resistive sub-module hybrid MMC and direct current fault processing strategy thereof
#11Power conversion device
#12Power conversion device
#13Power converter failure detection and prevention
#14System and method for mitigating overvoltage on a DC link of a power converter
#15Protection coordination technique for power converters
#16Protection of an inductive element
#17Elevator
#18Modular multi-level converter with full-bridge cell fault current blocking for wind-turbines
#19System and method for ground fault detection
#20Power converter with ground fault detection function and fault detection method
#21SCR based AC precharge protection
#22Power conversion apparatus
#23Soft-starter AC-AC converter with integrated solid-state circuit breaker and method of operation thereof
#24Overload current limiting method for voltage source converter
#25Adjustable speed drive with integrated solid-state circuit breaker and method of operation thereof
#26Low phase surge protection device
#27Bipole voltage source converter and control and operation thereof
#28Converters for HVDC power transmission and distribution
#29Electrical power systems and subsystems
#30Switch-mode power supply and control having protection from a short-circuited current sensing resistor
#31Method and system for locating ground faults in a network of drives
#32Control method for protecting switching devices in power converters in doubly fed induction generator power systems
#33Power conversion device with protective operation
#34Ground fault isolation for power converters with silicon carbide MOSFETs
#35Power conversion device and DC power transmission system
#36Overcurrent protection device for semiconductor device
#37Differential fault detection system
#38Motor drive
#39Elevator safety arrangement having earth fault detection
#40Battery-supported braking system for a wind turbine
#41System and switch assembly thereof with fault protection and associated method
#42LED DRIVING DEVICE WITH DETACHABLE SURGE PROTECTION
#43Power supplies having a single isolation device for feedback and fault detection
#44System and method for ground fault detection
#45System and method for ground fault detection
#46Fault level estimation method for power converters
#47Motor driving device
#48Multi-phase electric drive and method therefor to provide power to a power unit
#49Power conversion device with overvoltage suppression
#50Turbulence protection system and method for turbine generators
#51Device and method for fault current detection
#52Current source converter differential protection method and relay protection device
#53Low-frequency circuit breaker
#54Protection system for a power converter connected to a doubly fed induction generator
#55Power source switching device and storage battery system
#56Voltage measuring apparatus with temperature abnormality detection function and power conversion apparatus
#57System and method for protecting a power converter during an adverse voltage event
#58Power converter and power conversion method
#59Power conversion apparatus and method for analyzing for abnormality in power conversion apparatus having cutoff devices
#60Wind turbine having improved overvoltage protection
#61Elevator safety arrangement having earth fault detection
#62Ground fault detecting circuit and power converting device including the same
#63Converter circuit
#64Isolating faulty converter module in converter system with interconnected DC links
#65Wind turbine fault detection circuit and method
#66Apparatus and methods for restoring power cell functionality in multi-cell power supplies
#67Alternative power converter system
#68Method and device to protect an ESP power supply from transient over-voltages on the power grid
#69Systems and methods for limiting voltage on an auxiliary bus
#70Frequency converter and method for identifying and blocking a fault current in a frequency converter
#71Power conversion equipment having a capacitor failure detecting circuit
#72Neutral point clamped power converter fault detection, identification, and protection
#73Protection circuit for power converter
#74High efficiency bridgeless PFC converter and method
#75Circuit and method for regulating a DC voltage applied between a first and second DC voltage terminal
#76Low-frequency circuit breaker
#77Power supply device
#78Method of changing an operation mode of a frequency converter based on temperature conditions, and a frequency converter having a changeable mode of operation based on temperature conditions
#79Systems and apparatus relating to wind turbine electrical control and operation
#80Variable speed drive
#81Optimizing converter protection for wind turbine generators
#82Method for regulating a voltage and circuit therefor
#83Earth fault protection of a frequency converter
#84System and method for protecting a motor drive unit from motor back EMF under fault conditions
#85Servo control apparatus
#86Protection of power semiconductor components
#87System and method for operating a power converter to improve IGBT reliability
#88Detection and compensation of power phase loss