Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
09/2012
09/13/2012WO2012119357A1 Connecting unit applicable to high voltage variable-frequency governor
09/13/2012US20120229942 Gate circuit
09/13/2012US20120229941 Semiconductor die with integrated electro-static discharge device
09/13/2012US20120229940 Integrated circuit having esd protection capability
09/13/2012US20120229939 Methods, systems, and apparatus and for detecting parallel electrical arc faults
09/13/2012DE102011008508B4 Elektrisches Unterputz-Installationsgerät zur Helligkeitssteuerung einer Beleuchtungsanlage Electric flush-mounted installation device for controlling the brightness of a lighting system
09/12/2012CN202435687U Circuit for enhancing thunder stroke immunity and surge impact resistance of LED street lamps
09/12/2012CN202435686U Circuit capable of improving operational reliability of discrete light-emitting diode (LED) light sources
09/12/2012CN202435666U High-power illuminating LED (Light-Emitting Diode) driving circuit
09/12/2012CN202435336U Field suppression and over voltage protection device of synchronous generator rotor
09/12/2012CN202435264U Power supplying power supply device of liquid crystal module (LCM) test system
09/12/2012CN202435036U Filtering device at wind generating set side
09/12/2012CN202435028U Automatic-access-type double-loop resistance-capacitance absorber
09/12/2012CN202435027U Remote data transmission protecting circuit of singlechip input/output (IO) interface
09/12/2012CN202435026U Minitype high-pressure-resistant overvoltage protective device
09/12/2012CN202435025U Shaft current grounding device for large and medium AC (Alternate Current) motor
09/12/2012CN202435024U Anti-surge protective device of computer controller
09/12/2012CN102668698A Electronic driver apparatus for large area solid-state leds
09/12/2012CN102668292A System and method for providing surge protecion
09/12/2012CN102664407A Method and system for designing boosting transformer of new energy electric field
09/12/2012CN102664393A Short-circuit current limiting device
09/12/2012CN102664385A Electricity limiting circuit with lightning protection function
09/12/2012CN102662426A Output driving circuit with self electrostatic discharge (ESD) protection function
09/12/2012CN101859765B Protective device for integrated circuit
09/12/2012CN101764389B Anti-overvoltage measurement and control system and method
09/12/2012CN101609983B Restrain device and control method for excitation inrush current of transformer
09/11/2012US8264807 Start-up in-rush current protection circuit for DCDC converter
09/11/2012US8264806 Electronic device including a protection circuit for a light-emitting device
09/11/2012US8264805 Dual voltage hot swap module power control
09/07/2012WO2012118701A2 System and method for operating inverters
09/07/2012WO2012116742A1 Protecting an operation control unit connected to an electric machine via a long cable
09/07/2012CA2828249A1 Protecting an operation control unit connected to an electric machine via a long cable
09/06/2012US20120224285 Electrostatic discharge device and method for manufacturing the same
09/06/2012US20120224284 Distributed building blocks of r-c clamping circuitry in semiconductor die core area
09/06/2012DE102011013105A1 Elektronische Vorrichtung und Verfahren für einen Begrenzer in einer Wechselstromanwendung Electronic device and method for a limiter in an AC application
09/05/2012CN202425117U LED (light-emitting diode) drive device
09/05/2012CN202424894U Protection circuit structure for video signal input and output terminals
09/05/2012CN202424162U Microcomputer arc and harmonic elimination and overvoltage protection device
09/05/2012CN202424161U Lightning arrester with external serial discharge gap
09/05/2012CN202424160U Lightning-protecting filtering device for lines
09/05/2012CN202424159U Transient-overload preventing adapter
09/05/2012CN202424158U High-voltage protection circuit of alternating-current light-emitting diode (LED)
09/05/2012CN202424157U LED output protection circuit
09/05/2012CN202424156U Arrester tester
09/05/2012CN202424155U Signal lightning protector
09/05/2012CN202424154U Network lightning protection device
09/05/2012CN202424153U Low capacitance surge protector having ESD protective function
09/05/2012CN202424152U Integrated protection device for checkout process of capacitive on-line monitoring equipment of substation
09/05/2012CN202424151U Circuit with safely-discharged capacitor
09/05/2012CN202424150U Inductive load control and protection circuit
09/05/2012CN202424149U Temperature control switch protection device for concrete mixing and transporting trucks
09/05/2012CN202424148U Normal conductor direct current coil-based saturated core fault current limiter
09/05/2012CN202424147U Intelligent short circuit current limiter
09/05/2012CN202424146U Ferroresonance-resistant control circuit of voltage transformer
09/05/2012CN202424110U High-capacity fast switching device
09/05/2012CN202424104U Protection module for dual-power switching controller
09/05/2012CN202424101U Device for preventing generating power supply of user from directly entering municipal power network
09/05/2012CN202423331U Photovoltaic lightning-protection intelligent combiner box
09/05/2012CN202423173U Tripping mechanism of surge protector and surge protector
09/05/2012CN1875440B Device and method for switching off an inductive load without fault protection style
09/05/2012CN102656763A Apparatus and method for protecting power semiconductor switch element
09/05/2012CN102655322A Full module-protected surge protector
09/05/2012CN102655145A Static releasing protection circuit and working method thereof
09/05/2012CN101872966B Turning type lightning protection combination
09/05/2012CN101609941B Single phase intelligent electricity-saving protection control socket
09/05/2012CN101188356B Protection circuit and its method
09/04/2012US8259430 Surge protection device for isolating premise devices
09/04/2012US8259425 Protection circuit
09/04/2012US8259423 Automotive vehicle charge port with fault interrupt circuit
08/2012
08/30/2012WO2012114289A2 Device for protecting electric equipment from overvoltage and lightening
08/30/2012WO2012113769A1 Surge protection circuit and method for testing a surge protection circuit
08/30/2012WO2012113216A1 Lightning protection circuit
08/30/2012US20120218746 Energy saving undercabinet lighting system using light emitting diodes
08/30/2012US20120218675 Transient blocking unit with strong reset capability
08/30/2012US20120218673 Moisture detection label, moisture detection device, moisture detection method, power shutoff method, and electronics device
08/30/2012US20120218671 Semiconductor ESD Device and Method of Making Same
08/30/2012US20120218669 System and Method for Operating Inverters
08/30/2012US20120218668 Bias voltage circuit for biasing a transient suppression device and apparatus using same
08/30/2012DE102011012284A1 Überspannungsschutzschaltung und Verfahren zur Überprüfung einer Überspannungsschutzschaltung An overvoltage protection circuit and method for checking an overvoltage protection circuit
08/30/2012CA2827831A1 Device for protecting electric equipment from overvoltage and lightening
08/29/2012CN202406194U Lightning protection camera
08/29/2012CN202406068U Diver for direct current motor
08/29/2012CN202406045U Wide voltage input self-adaptive dynamic energy-saving lighting power supply device
08/29/2012CN202405777U Combined high-discharge electric-tilt antenna lightning protector for transceiver side
08/29/2012CN202405776U Three-input and three-output direct-current remote lightning protection box
08/29/2012CN202405775U High-voltage direct-current remote-supply lightning protection box for distributed base stations
08/29/2012CN202405774U Stray current drainage device
08/29/2012CN102651928A LED fluorescent lamp with over-voltage protection function
08/29/2012CN102651547A ESD (Electro-Static discharge) protection circuit and display device comprising same
08/29/2012CN101651271B Lightning-proof electricity-saving protection circuit in single-phase socket
08/29/2012CN101499656B Power supply circuit having resistance element changing its resistance value
08/29/2012CN101414750B Remote input/output unit
08/28/2012US8255024 Resistive superconducting current-limiter device with bifilar coil winding composed of HTS ribbon conductors and turn separator
08/28/2012US8254076 Providing modular power conversion
08/28/2012US8254073 High voltage transmit/receive switch and method therefor
08/28/2012US8254071 Method and apparatus of providing 2-stage ESD protection for high-speed interfaces
08/28/2012US8254070 Vehicle on-board electric power system
08/28/2012US8254069 ESD protection for outputs
08/28/2012US8254068 Regulating system having overvoltage protection circuit and current protection circuit
08/28/2012US8252725 Fault current limiter with a plurality of superconductiong elements, at least one of which with an electric contact between its superconducting film and its electrically conducting substrate
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