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)
10/2003
10/16/2003DE20311825U1 Heat suppressing circuit for restarting an electric motor has restart discharge driver element to accelerate capacitor discharge
10/15/2003EP1353429A1 Protection circuit-equipped secondary battery
10/15/2003EP1353427A1 Redondant transmission of protective commands for remote-trip-devices
10/15/2003EP1353424A1 Switchgear equipment for distributing electric energy
10/15/2003CN2580650Y Open-phase protector for AC motor
10/15/2003CN2580649Y Protector able to meter three-phase AC motor
10/15/2003CN1449082A Monitoring device, electrical machine tool, current supply device, and associated method of operation
10/15/2003CN1449081A 电子电路防水器 Waterproof electronics devices
10/14/2003US6633474 Selective electronic tripping element
10/14/2003US6633469 Power semiconductor circuit
10/14/2003US6633166 Method for generating an error signal identifying a short circuit
10/14/2003US6633154 Method and circuit for using polarized device in AC applications
10/14/2003US6633148 Drive device and method for moving a vehicle part
10/14/2003US6633147 Method for closing a motor driven window
10/09/2003US20030189899 Redundant transmission of protection commands between remote tripping devices
10/09/2003US20030189415 Method and apparatus for pulse variable-controlled movable obstacle detection
10/09/2003DE20213758U1 Electric motor drive circuit for actuating device in motor vehicle, uses e.g. resistor and capacitor to generate direction control signal for switching element to control current direction of motor
10/08/2003CN1124035C Switching mains with operating working mode and spare working mode
10/08/2003CN1123956C Overvoltage suppressor blocking static reactive power generator under pulse mode
10/08/2003CN1123954C Circuit device for limiting starting current for transformer
10/08/2003CN1123952C Circuit for blocking semiconductor switching device on overcurrent
10/07/2003US6631072 Charge storage device
10/07/2003US6631064 Apparatus and method for providing overcurrent protection for switch-mode power supplies
10/07/2003US6630807 Convertible power top control system
10/02/2003US20030187520 Method and apparatus for circuit breaker node software architecture
10/02/2003US20030186093 Methods and apparatus for improving the cold starting capability of a fuel cell
10/02/2003US20030184308 Monitoring device, electrical machine tool, current supply device, and associated method of operation
10/02/2003DE20311734U1 Circuit re-starting brushless fan DC motor which prevents destruction by overheating, includes diode detector circuit and condenser
10/01/2003EP1349263A1 Process for the operation of a transformer connected to a controllable voltage source as well as an apparatus for the implementation of that process
10/01/2003EP1349252A2 Lighting unit adapter for use as short circuit protection or dimmer
10/01/2003EP1290706B1 Switch, especially a coding switch
10/01/2003EP0861514B1 Jamming detection device for electrical drives
10/01/2003CN2577489Y Three-phase electric machine open-phase protector
10/01/2003CN2577488Y Omnibearing protective controller for beam-pumping unit
10/01/2003CN2577487Y Digital switch of flame-proof type multifunctional submered pump for mine
10/01/2003CN1445897A Method for operating transformer by driving voltage source and its actuating equipment
10/01/2003CN1445896A Power souce commutation possessing reverse connected polarity and protection circuit for surge current
10/01/2003CN1123113C Rectifier circuit
10/01/2003CN1123105C Electronic control device for over-vurrent protection
09/2003
09/30/2003CA2170011C Lift truck with internal temperature monitor and system
09/25/2003WO2003079511A1 Circuit protection system
09/24/2003EP1346620A1 Fan protection
09/24/2003CN2575892Y Intelligent weak current switch
09/24/2003CN1444320A Storage battery protecting device
09/23/2003US6624614 Charge and discharge controller
09/23/2003US6623244 Heater material
09/18/2003WO2003077322A2 H-bridge with single lead frame
09/18/2003US20030174074 Information dependent data transmission for pilot protective relays
09/18/2003US20030173939 Method for operating a transformer from a drivable voltage source, as well as an apparatus for carrying out the method
09/17/2003EP1344292A1 Vsc-converter
09/17/2003EP1093681B1 Solid state overload relay
09/17/2003EP1092227B1 Motor operator for overhead air break electrical power distribut ion switches
09/17/2003CN1443316A Protection zone selection system in relay based on microprocessor of electric power system
09/16/2003US6621670 Ground fault protection circuit for discharge tube lighting circuit
09/16/2003CA2117817C Brushless motor
09/11/2003US20030171884 Arrangements to detect and respond to disturbances in electrical power systems
09/11/2003US20030171866 Method for controlling and adjusting a motor-driven adjusting device
09/11/2003US20030169021 Secondary battery protection device
09/10/2003EP1342304A2 Compressor terminal fault interruption
09/10/2003EP1188240B1 Load control system having an overload protection circuit
09/10/2003CN2572640Y Circuit for reducing temp. raising of locking motor
09/10/2003CN2572546Y Intelligent low voltage switch equipment
09/10/2003CN2572545Y Intelligent high voltage switch equipment
09/09/2003US6618648 Control system method of protectively controlling electric power system and storage medium storing program code
09/09/2003US6618229 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof
09/09/2003US6617069 Battery over-discharge protection
09/04/2003WO2003073587A1 Method for simulating the temperature curve of electric drives
09/04/2003WO2003073580A2 Processing system for a power distribution system
09/04/2003WO2003073576A2 Method and apparatus for ground fault protection
09/04/2003WO2003073572A2 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment
09/04/2003WO2003073571A2 External clock to obtain multiple synchronized computer
09/04/2003WO2003073454A2 Circuit breaker lockout
09/04/2003WO2003073312A1 Method and apparatus for minimally invasive network monitoring
09/04/2003WO2003073224A2 Electrical protection system for reliability improvement based on sensitivity analysis
09/04/2003WO2003073221A2 Integrated protection, monitoring and control system
09/04/2003WO2003073214A2 Method for communicating information bundled in digital message packets
09/04/2003WO2003073188A1 Configuring a centrally controlled circuit breaker protection system
09/04/2003WO2003073182A1 Method and apparatus for optimizing a redundant critical control system
09/04/2003WO2003073181A1 Data sample and transmission modules for power distribution systems
09/04/2003WO2003073180A1 Method and apparatus for circuit breaker node software architecture
09/04/2003WO2003073179A1 Method and apparatus for node electronics unit architecture
09/04/2003WO2003073178A1 Method and system for conditionally triggered system data capture
09/04/2003WO2003073177A1 Method for power distribution system components identification, characterization and rating
09/04/2003WO2003073176A1 Protection system for power distribution systems
09/04/2003WO2002049178A8 Compressor terminal fault interruption
09/04/2003US20030164727 Power supply device, transistor driving method, recording medium
09/04/2003US20030164545 H-bridge with single lead frame
09/03/2003EP1341285A2 Stall or reduced-speed protection system for electric motor
09/03/2003EP1340300A1 Protective equipment for a series-capacitor installation
09/03/2003CN2571048Y Comprehensive electronic protector for electric coal drill
09/03/2003CN1440110A Motor protector
09/03/2003CN1440102A High voltage circuit phase selection based on pallern identification
09/03/2003CN1120556C In-line monitoring and prevention control method with stable transient for power system
09/02/2003US6614639 Control system including rectifier and method for controlling rectifier bridge by disabling gating of semiconductor device based upon heat sink or junction temperature
09/02/2003US6614637 Apparatus and method for a discharge interrupt circuit that can operate at a low supply voltage
09/02/2003US6614631 Smart trip transformer
09/02/2003US6614217 Power supply negative phase detecting circuit
09/02/2003US6614205 Charge/discharge control circuit and a charging-type power-supply unit
09/02/2003US6614200 AC motors for driving vehicle closures
08/2003
08/28/2003WO2003071659A1 Power cut-off system with remote automatic alarm and meter reading service using power line communication network
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