H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection

Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031)
10/2011
10/26/2011	EP2380253A1 A sentinel unit for an it electrical distribution system having a floating reference conductor
10/26/2011	EP2379948A2 Cooking appliance with a safety device
10/26/2011	EP2078328B1 Residual current device
10/26/2011	CN202019487U Over-current over-voltage double-protection power circuit
10/26/2011	CN202019194U Countercurrent prevention device
10/26/2011	CN202019188U Protection device for power battery voltage inspecting lines
10/26/2011	CN202019186U Overloading alarm and display device for multiple motors
10/26/2011	CN202019185U Protection device for high-voltage motor
10/26/2011	CN202019116U Earth leakage protection plug
10/26/2011	CN202018477U Real-time power supply monitoring module
10/26/2011	CN102227083A Self-recovery overvoltage protection module for AC electric appliance
10/26/2011	CN102227082A Power-off protector
10/26/2011	CN101427339B Switching device
10/26/2011	CN101334687B Information processing apparatus
10/25/2011	USRE42866 Ground fault circuit interrupter with enhanced radio frequency interference suppression
10/25/2011	US8045311 Load driving and diagnosis system and control method
10/25/2011	US8045309 Magnetic energy recovery switch having protective circuit
10/25/2011	US8045308 Clamp protection circuit and a PFC control circuit employing such clamp protection circuit
10/25/2011	US8045307 Faulted phase decision method between current and voltage based delta phase selectors
10/25/2011	US8045305 Protection circuit
10/25/2011	US8045303 Building service ground fault interrupter
10/25/2011	US8043882 Method of making microminiature moving device
10/25/2011	CA2499568C Current controlled contact arc suppressor
10/25/2011	CA2266322C High current protection circuit for telephone interface
10/20/2011	WO2011130569A1 Ground fault interrupt circuit for electric vehicle
10/20/2011	WO2011128184A1 Method and apparatus for differential protection of an electric connection
10/20/2011	WO2011127498A2 Residual current device
10/20/2011	US20110255203 Charge pump switch power down protection
10/20/2011	US20110255202 Method and safety device for monitoring a bus bar of an electrical energy supply grid
10/20/2011	DE102011000897A1 Überstromschutzschaltung The overcurrent protection circuit
10/20/2011	DE102010015095A1 Driver circuit for controlling surge in supply voltage to inductive load e.g. motor of motor car, has over-voltage detection circuits detecting voltage surge and controlling pre-driver to switch off low-side switch
10/19/2011	EP2378085A2 Automatic system and method for monitoring the primary frequency response contribution in a turbo generator
10/19/2011	EP2377218A2 Overvoltage protector
10/19/2011	CN202014113U Battery charging circuit with function of protection and charger with holder
10/19/2011	CN202014092U Articulated type electrical split-phase overvoltage managing device
10/19/2011	CN202014085U Single-phase alternating-current motor monitor
10/19/2011	CN202014080U Short circuit protection circuit of light-emitting diode (LED) constant current source
10/19/2011	CN202014078U Power-failure and open-phase alarm for three-phase power supply
10/19/2011	CN202014077U Multi-function vehicle-mounted power supply protector
10/19/2011	CN202014076U Protection device for arc faults
10/19/2011	CN202014075U Automobile electricity-fetching protection device
10/19/2011	CN202013369U Back-insert type wall-insert electric power meter device
10/19/2011	CN102222931A Microgrid three-phase grid-connected inverter system and control method thereof
10/19/2011	CN102222888A Lead-out end phase-failure protection method for leakage circuit breaker
10/19/2011	CN102222887A Under-voltage supervision circuit
10/19/2011	CN102222884A Short circuit self-protection circuit for insulated gate bipolar device through two-step detection and protection method thereof
10/19/2011	CN102222883A Automatic over-current and short-circuit protecting and restoring circuit of jump start power
10/19/2011	CN102222881A Leakage current monitoring method for solar photovoltaic inverter
10/19/2011	CN102222878A Phase-failure protection structure of reactive power compensation device
10/19/2011	CN102222877A Electric wiring protection apparatus
10/19/2011	CN102222876A Breakage blocking differential protection method and breakage blocking differential protection system based on current transformer
10/19/2011	CN102222875A Lightening protection, overcurrent, overvoltage-undervoltage protection circuit and control method
10/19/2011	CN102222874A Direct-current solid-state circuit breaker
10/18/2011	US8041571 Application of speech and speaker recognition tools to fault detection in electrical circuits
10/18/2011	US8040653 Surge protector
10/18/2011	US8040652 Programmable power distribution switches with two-level current sensing
10/18/2011	US8040650 Excess-current protection circuit and power supply
10/18/2011	US8040649 Overcurrent protection apparatus and electronic apparatus
10/18/2011	US8040648 Speed controller including a device for protection against overcurrents and overvoltages
10/18/2011	US8040647 System and method for protection against loss of battery in reverse battery protected devices
10/18/2011	US8040646 Input/output buffer and electrostatic discharge protection circuit
10/18/2011	US8040644 Power distribution system and electrical switching apparatus employing a filter trap circuit to provide arc fault trip coordination
10/18/2011	US8040642 Smart capacitor
10/18/2011	US8040517 Arc flash detection system and method
10/18/2011	CA2412523C Ground fault current interrupter/arc fault current interrupter circuit breaker with fail safe mechanism
10/13/2011	WO2011125780A1 Power module and power conversion device provided with said power module
10/13/2011	WO2011012341A3 Method for operating an electrical power supply network
10/13/2011	US20110249370 Arc fault circuit detection methods, systems, and apparatus including delay
10/13/2011	US20110249368 Method for detecting earth-fault conditions in a motor controller
10/13/2011	US20110248858 Electrical Low Voltage Building Installation
10/13/2011	US20110248676 Battery pack
10/12/2011	EP2375525A1 Method and apparatus for differential protection of an electric connection
10/12/2011	EP2374190A1 System and method for protection in power installations
10/12/2011	CN202009517U Driving device for light emitting diodes
10/12/2011	CN202009374U Touch switch circuit with short-circuit resistance function
10/12/2011	CN202009232U Novel arc and resonance extinguishing device
10/12/2011	CN202009229U Ethernet feed port group, anti-surge protection circuit and Ethernet feed equipment
10/12/2011	CN202009227U Pre-charging circuit for motor driver of automobile air conditioning system
10/12/2011	CN202009226U Three-phase power distribution carrier monitoring device for low-voltage cabinet
10/12/2011	CN202009225U Boosting DC-DC short-circuit protection circuit
10/12/2011	CN202009221U Novel electric leakage security controlling means
10/12/2011	CN202009220U Protection circuit of 3G (the 3rd generation) antenna power source
10/12/2011	CN202009219U TDK intelligent networking current limiter
10/12/2011	CN202008789U Display, replay protecting device and relay protecting system
10/12/2011	CN1993790B Breaker device for low voltage applications
10/12/2011	CN102214910A Intelligent electric leakage detection protecting device
10/12/2011	CN102214909A Self-repaired communication broadband ultra-high-speed circuit break protection device
10/12/2011	CN102214908A Overcurrent protection relay of three-phase source
10/12/2011	CN102214907A Power fail protection for micro computer protective device
10/12/2011	CN102213993A Circuit for soft startup and soft shutdown
10/12/2011	CN101695906B Automatic switch-on and switch-off device of overhead line of electric locomotive
10/11/2011	US8035942 Safety switch device
10/11/2011	US8035941 DC/AC inverter substrate having voltage abnormality detector circuit
10/11/2011	US8035940 Over-voltage protection circuit structure and method thereof
10/11/2011	US8035939 Tracking and fault communication for DC power supply modules
10/11/2011	US8035937 Electrostatic discharge circuit
10/11/2011	US8035936 Multiple pole arc-fault circuit breaker using single test button
10/11/2011	US8033721 Temperature sensor circuit
10/07/2011	DE202011004515U1 Vorrichtung zum sicheren Betrieb einer Ladestation mit Rückspeisung Device for safe operation of a charging station with recovery
10/06/2011	WO2011121386A1 A method for transfer of control between devices in a substation system and a device thereof

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