Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 7 - 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
Patents for H02H 7 - 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 (32,726)
08/2003
08/28/2003WO2003071072A1 Method for recognising an obstructive situation in a motor driven element
08/28/2003US20030161480 Preventing unsafe operation by monitoring switching means
08/28/2003US20030161084 Protection systems for power networks
08/28/2003US20030161083 Method for protecting a dc generator against overvoltage
08/28/2003US20030159728 Device for protecting a photovoltaic module against hot spots and photovoltaic module equipped with same
08/27/2003EP1339151A1 Time optimal reception of protection instructions in a remotely controlled trip device
08/27/2003CN2569409Y Combined overvoltage protector
08/27/2003CN2569408Y Lack of phase protector for motor
08/27/2003CN2569407Y Electronic motor protector startor
08/27/2003CN2569406Y Built-in intelligent start protector for submersible pump
08/27/2003CN2569405Y Surge protector
08/27/2003CN2569404Y Low voltage motor protective monitor for microprocessor
08/27/2003CN2569403Y Output transformer protector for day light lamp
08/27/2003CN1438746A Electric resonance protection mould-group
08/26/2003US6611771 Method and apparatus to detect a stator turn fault in an AC motor
08/26/2003US6611408 Electrical transformer
08/26/2003US6611072 Sensorless stall detection for motors
08/21/2003WO2003069753A1 A protection device
08/21/2003US20030156437 Building block for series connection in high power converter
08/21/2003US20030156374 Electronic overload trip for a low-voltage circuit breaker
08/21/2003US20030156369 Reception of protection commands in a remote tripping device
08/20/2003EP1337024A1 Detection of a quiescent state signal in a remotely controlled trip device
08/20/2003EP1183763B8 An electrical machine winding ground-fault protection system
08/20/2003CN2567850Y Overcurrent protector for power converter
08/20/2003CN2567849Y Protective control box for shield device pump
08/20/2003CN2567759Y Contactless open-phase protection A.C. contactor
08/19/2003US6609079 Method and arrangement for ascertaining state variables
08/19/2003US6608742 Voltage and current source selection system for use in the protection, automation and control of an electric power system
08/19/2003US6608470 Overcharge protection device and methods for lithium based rechargeable batteries
08/19/2003US6608458 Electric motor, in particular wiper motor
08/19/2003CA2080673C Coordination arrangement for protective devices in electrical systems
08/14/2003WO2003067700A1 Lithium secondary battery having internal protection circuit
08/14/2003WO2003023946A3 Crossover fault classification for power lines with parallel circuits
08/14/2003US20030151875 Current limiting super capacitor charger
08/14/2003US20030151871 Reception of digitally coded protection signals in a remote tripping device
08/14/2003US20030151867 Directional comparison distance relay system
08/14/2003US20030151866 Time-optimum reception of protection commands in a remote tripping device
08/13/2003EP1335470A2 Directional comparison distance relay system
08/13/2003EP1335469A1 Receiving protection signals in a remotely controlled breaker
08/13/2003EP1335468A1 Communication between remotely controlled breakers
08/13/2003EP1335467A1 Receiving digitally coded protection signals in a remotely controlled breaker
08/13/2003EP1334553A1 A method and a device for controlling the operation of an actuator unit
08/13/2003CN2566534Y Flame-proof type soft starting device for mine
08/13/2003CN2566530Y Electric machine terminal block with protector
08/13/2003CN2566518Y 携带式充电器 Portable Charger
08/13/2003CN2566514Y Earth leakage and short-circuitÒÇüovercurrent double protector for electric water heater
08/13/2003CN2566513Y Comprehensive protector for AC electric machine
08/13/2003CN2566427Y Gas insulating discharge coil
08/12/2003US6606227 High voltage battery cutout circuit for a motor vehicle electrical system
08/12/2003US6605925 Power source circuit
08/12/2003US6605911 Drive device and method for moving a vehicle part
08/07/2003WO2003065533A1 Method for detecting saturation in a current transformer
08/07/2003WO2003009310A3 Surge voltage protector for use in power transmission networks
08/07/2003US20030147186 Engine generator set systems and methods providing load power fault protection
08/07/2003US20030146725 Motor overload coil control
08/07/2003US20030146724 Method for operating an electrical drive unit
08/07/2003DE10158494C1 Lade/Entlade-Schutzschaltung Charge / discharge protection circuit
08/07/2003CA2474052A1 Method for detecting saturation in a current transformer
08/06/2003EP1333554A2 Charge/discharge protection circuit for a rechargeable battery
08/06/2003EP1333346A2 Method and device for fault diagnosis in controlled electrical drives
08/06/2003EP1332538A1 Method for controlling an adjustment process for a piece
08/06/2003EP1186084B1 Electrical circuit breaker for protecting against overcurrents
08/06/2003EP1028862B1 Method for controlling a sunroof
08/06/2003EP0968460B1 Clock line over-current protector and industrial control system
08/06/2003CN2565188Y Battery protector for electric vehicle
08/06/2003CN2565187Y Luoshi coil intelligent integrated protection relay for motor
08/06/2003CN2565185Y Unbalance protector for three-phase power supply
08/05/2003US6603649 Electronic tripping device for a circuit breaker
08/05/2003US6603644 Motor-driven curtain assembly and motor control device therefor
08/05/2003US6603279 Electric motor drive and process for operating an electronically commutated electric motor
07/2003
07/31/2003WO2003063556A1 Ballast safety circuit
07/31/2003WO2003063318A1 Method of detecting obstructions caused by motor-driven power windows and similar devices using fuzzy logic algorithms
07/31/2003US20030142450 Protection of electrical power lines
07/31/2003US20030141848 Charge/discharge protection circuit with latch circuit for protecting a charge control FET from overheating
07/31/2003US20030141391 Electrostatic painting device
07/31/2003DE10155795C1 Current arcing location method for automobile current network uses reduction of supply voltage for each partial network in turn for location of arcing by process of elimination
07/30/2003CN2563807Y Low voltage motor intelligent control protector of power supply system
07/30/2003CN1116554C Power supply cut-off device of air conditioner
07/29/2003US6601002 Arrangements to detect and respond to disturbances in electrical power systems
07/29/2003US6600641 Overcurrent protection for the series fuse
07/29/2003US6600239 Active circuit protection for switched power supply system
07/24/2003US20030137266 Apparatus for detecting obstacle to power regulated window
07/24/2003US20030137265 Anti-pinch window drive circuit
07/24/2003US20030137252 Ballast safety circuit
07/23/2003CN2562494Y Energy saving protector for free running motor of industrial sewing machine
07/23/2003CN1432209A Electronic protective relay with variable and fixed delay tally time of current protection
07/23/2003CN1431766A Forced oil and forced air cooling control device of power transformers
07/23/2003CN1431746A Device for protecting rechargeable batteries with memory capability and its operation method
07/22/2003US6597139 Drive device and method for moving a vehicle part
07/22/2003US6597138 Method and apparatus for controlling power supplied to a motor
07/22/2003CA2251054C Methods and apparatuses for detecting surge in centrifugal compressors
07/17/2003WO2003058789A1 Power grid connection system for a wind turbine generator
07/17/2003WO2003058788A1 Miniaturized motor overload protector
07/17/2003US20030134183 Protection circuit-equipped secondary battery
07/17/2003US20030133244 Apparatus and method for representing protection device trip response
07/17/2003US20030133238 Utility control and autonomous disconnection of distributed generation from a power distribution system
07/17/2003US20030133235 Food texture control and protection system for electric motor powered blender
07/17/2003US20030132732 Devices and methods for protection of rechargeable elements
07/16/2003EP1327776A2 Overload control for a compressor system
07/16/2003CN1430318A Power distibution circuit fault location and isolation method and device
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