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)
11/2006
11/08/2006	CN1858953A Protective method for zero sequence power direction based on local zero sequence compensation
11/08/2006	CN1858952A DC brushless motor with rotor locking protective function
11/08/2006	CN1284296C Motor-locking protection circuit and motor-locking protection method
11/07/2006	US7133601 Amperage control for protection of battery over current in power tools
11/07/2006	US7133300 Over-voltage protection circuit for power converter
11/07/2006	US7132817 Unbalance dynamic load generator
11/07/2006	US7132813 System and method for adapting to barrier nuisances and obstructions
11/07/2006	US7132812 Integrated DC link choke and method for suppressing common-mode voltage in a motor drive
11/07/2006	US7132179 Methods and apparatus for improving the cold starting capability of a fuel cell
11/07/2006	CA2222674C Control method and apparatus for power distribution network
11/02/2006	WO2006116480A2 Method and system for enhancing computer peripheral saftey
11/02/2006	US20060245123 Load drive apparatus
11/02/2006	US20060245122 Electrical load switch
11/02/2006	US20060245121 Display device and drive method thereof
11/02/2006	US20060245120 Dummy fuse device, electronic apparatus including the dummy fuse device, and method of operating the dummy fuse device
11/02/2006	US20060245119 Memory module with a predetermined arrangement of pins
11/02/2006	US20060244424 Charging system for field devices
11/02/2006	DE10212164B4 Aktiver Schaltungsschutz für ein geschaltetes Leistungsversorgungssystem Active protection circuit for a switched power supply system
11/02/2006	DE102006015996A1 Verteilerdose ohne Relais oder Sicherung Distributor without relay or fuse
11/02/2006	DE102006008496A1 Phasenausfallerkennung für eine Drehfeldmaschine Phase failure detection for an induction machine
11/01/2006	CN2834088Y Electric control box absorbing plate circuit structure for electromagnetic hot water boiler
11/01/2006	CN2834014Y Energy-saving drive controller for elevator
11/01/2006	CN2834013Y Oil extractor motor control cabinet
11/01/2006	CN2834005Y Multi-way output power supply for communication system
11/01/2006	CN2833980Y Portable explosion-proof protector for starter
11/01/2006	CN2833979Y Explosion-proof digital protector for feed switch for mining
11/01/2006	CN2833978Y 发电机保护控制系统 Generator protection and control system
11/01/2006	CN1855665A Method for protecting recharging circuit unit of portable computer
11/01/2006	CN1855657A Method and circuit of battery under-voltage protection
11/01/2006	CN1855655A Control circuit of electric power supplier with fixed current limiting mode
10/2006
10/31/2006	US7130204 Switching power source apparatus
10/31/2006	US7130201 Power supply device for outputting stable programmable power supply
10/31/2006	US7130172 Switchgear and receiving transformation apparatus using the same
10/31/2006	US7130171 Apparatus for fail-safely disconnecting an electrical load; in particular in industrial production plants
10/31/2006	US7130170 System and method for fault contactor detection
10/31/2006	US7129687 Transformer over-current protection with RMS sensing and voltage fold-back
10/31/2006	US7129679 Power supply circuit having soft start
10/31/2006	US7129598 Safety switch for preventing an unintentional vehicle battery discharge
10/29/2006	CA2544953A1 Electrical protection circuitry for a docking station base of a hand held meter and method thereof
10/26/2006	WO2006112667A1 Apparatus and method of protecting battery packs
10/26/2006	WO2006112501A1 Secondary battery protection circuit, battery pack and thermosensitive protection switch device
10/26/2006	WO2006111529A1 Arrangement comprising a capacitor module, and method for the operation thereof
10/26/2006	WO2006111188A1 Current driver circuit and method of operation therefor
10/26/2006	US20060238930 Inductive coil assembly
10/26/2006	US20060238929 Method for controlling a power-grid connected wind turbine generator during grid faults and apparatus for implementing said method
10/26/2006	US20060238928 Superconducting coil
10/26/2006	US20060238927 Active primary-sided circuit arrangement for a switch-mode power supply
10/26/2006	US20060238172 Control apparatus for automotive alternator having capability to accurately detect temperature of alternator
10/26/2006	US20060238171 Apparatus for determining wear in the frictional components of an alternator
10/26/2006	US20060238170 Generator controlling system
10/26/2006	US20060238062 Electrical generator and method for assemblying rotor assembly of electrical generator
10/26/2006	DE202004021079U1 Übertragen von elektrischer Leistung zu einem Stromverbraucher Transmitting electrical power to a power consumer
10/26/2006	DE102005019116A1 Battery for an electronic unit, e.g. a motor vehicle control system, is combined in a single unit with a direct voltage converter on a circuit board
10/26/2006	DE102005018810A1 Method for generating an error or fault signal e.g. for driving power converter, involves generating error signal when both auxiliary signals are present
10/26/2006	DE102005018339A1 Anordnung mit einem Kondensatormodul und Verfahren zu dessen Betrieb Arrangement with a capacitor module and method for its operation
10/26/2006	DE102005018173A1 Photovoltaic device safe interruption method, involves attaching switching device in direct proximity to generator field within or outside structure, where device switches field on demand into low-energy operating point by control line
10/25/2006	EP1715354A2 Control system, method of protectively controlling electric power system and storage medium storing program code
10/25/2006	EP1715127A1 Method of operating a drive of a closing and opening system of a vehicle
10/25/2006	EP1714369A2 System and method for managing fault in a power system
10/25/2006	EP1714368A1 Circuit arrangement for the overload protection of a controllable switching element
10/25/2006	EP1714367A2 Systems and methods that employ inductive current steering for digital logic circuits
10/25/2006	CN2831578Y Charging/discharging protective circuit board for lithium cell pack of electric bicycle
10/25/2006	CN2831570Y Arc protector of power cable
10/25/2006	CN1853327A Circuit arrangement for rapidly switching off low-voltage circuit breakers
10/24/2006	US7126831 DC-AC converter, and method for supplying AC power
10/24/2006	US7126800 Method and system for communications channel delay asymmetry compensation using global positioning systems
10/24/2006	US7126520 Segmented sawtooth generator
10/24/2006	US7126315 DC/DC Converter with input and output current sensing and over current protection capable of interrupting the input power supply
10/24/2006	US7126300 Motor drive system
10/22/2006	CA2544774A1 Lamp power supply and protection circuit
10/19/2006	WO2006108860A1 Method and arrangement for increasing and guaranteeing the selectivity of a switch device in a group of switch devices and use of the arrangement for switching in power circuits
10/19/2006	WO2005074413A3 Class e amplifier with inductive clamp
10/19/2006	US20060232901 Arrangement for protecting an electrical device
10/19/2006	US20060232896 Bidirectional motor stall protection circuit
10/19/2006	US20060232895 Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid
10/19/2006	US20060232248 Systems and methods for distributing loads
10/19/2006	DE112004002268T5 Intelligente Sicherheitsvorrichtung für eine elektrische Ausrüstung, die in ein Fahrzeug eingebaut ist Intelligent safety device for an electric equipment which is installed in a vehicle
10/19/2006	DE102005015993A1 Charge packed memories coupling device for use in vehicle on-board electrical system, has switch separating or coupling charge packed memories, and over-current disconnection provided for opening switch during allowed over-current
10/19/2006	DE10131991B4 Chirurgische Maschine und Verfahren zum Betreiben einer chirurgischen Maschine Surgical machine and method for operating a surgical machine
10/18/2006	EP1711308A1 Method for switching off an electric machine tool when blocked, and an electric machine tool
10/18/2006	CN2829182Y Movable electric tool power supply
10/18/2006	CN1848666A Resistor for controlling fan motor rotational speed in air conditioning device
10/18/2006	CN1848661A Apparatus and method for realizing switch magnetic resistance motor electronic gear function
10/18/2006	CN1848601A Drop-off fuse long-distance controlling system
10/18/2006	CN1848583A Thunderstroke protection circuit capable of avoiding being reliably protecting electric net power supply thander struck by directly
10/18/2006	CN1848582A Electrified wire netting supervisory relay for automatic phase correcting, possessing switch output
10/18/2006	CN1280861C Overvoltage protection device
10/18/2006	CN1280234C Dielectric ceramic, process for producing the same and laminate ceramic capacitor
10/17/2006	US7123829 Digital camera and power supply apparatus used therefor
10/17/2006	US7123492 Circuit for reducing inrush current generated during startup of a switching power supply
10/17/2006	US7123459 Protective relay capable of protection applications without protection settings
10/17/2006	US7123458 Method and circuit arrangement for protecting an electric motor from an overload
10/17/2006	US7123457 System for transitioning to the trip threshold for the start condition thermal model for a motor protection relay
10/17/2006	US7122996 Voltage regulator circuit
10/17/2006	US7122984 Method for identifying an overload current of an electric drive
10/17/2006	US7122981 Method for monitoring the reversing process of electrically actuatable units
10/17/2006	CA2393882C Electric heater with dual overheat limits
10/12/2006	WO2006107639A2 Self-triggering superconducting fault current limiter
10/12/2006	US20060227471 Superconducting magnet system with quench protection circuit
10/12/2006	US20060226815 Excitation system having inner loop voltage regulator with by-pass capability

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