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)
04/2014
04/02/2014CN103701108A Lightning protection device with lightning stroke counting function
04/02/2014CN102377326B Insulated gate bipolar transistor (IGBT)-bridge-switch-topology-based driving circuit and protection module thereof
04/02/2014CN102185301B Static discharge ESD protective circuit
04/02/2014CN101702517B Energy-saving outdoor grid current limiting device
04/01/2014US8689033 Power supply and data signal interface circuit with overvoltage protection
04/01/2014US8687337 Over-current protection device
04/01/2014US8687335 Electronic circuit breaker of a power supply having dual output ports
04/01/2014US8687330 Semiconductor device
04/01/2014US8687329 Anti-lightning protection for telephone connection
04/01/2014US8687328 Photovoltaic inverter with control for performing low voltage ride through
03/2014
03/27/2014WO2014047409A1 Voltage limiting device for use in a distributed control system
03/27/2014WO2014046899A1 Integrated surge protection for remote radio head power cable assemblies
03/27/2014WO2014044542A2 Line arrester
03/27/2014US20140087950 Fault current limiter
03/27/2014US20140085764 Series R-C Graded Gap Assembly For MOV Arrester
03/27/2014DE102013109834A1 Bidirektionale Heteroübergangshalbleiterschutzvorrichtungen und Verfahren zur Bildung derselben Bidirectional heterojunction semiconductor protection devices and methods of forming the same
03/26/2014EP2712096A1 Method and system for detecting a disturber in a PLC network
03/26/2014EP2711998A1 Fault current limiter
03/26/2014EP2711939A1 Line arrester
03/26/2014EP2710393A1 Method and system for controlling the turn-on time of a device that includes a magnetic circuit
03/26/2014CN203504442U Lightning protection switch power supply circuit used for router
03/26/2014CN203504432U Voltage-regulating current-regulating direct-current power supply with lightning-stroke-prevention and surging-prevention functions
03/26/2014CN203504202U Thermal power system
03/26/2014CN203504174U Neutral grounding resistor box
03/26/2014CN203504173U Gapped high-energy overvoltage absorption device
03/26/2014CN203504172U Lightning protection circuit module
03/26/2014CN203504171U Protection circuit used for dry-type hollow electric reactor switching overvoltage protection
03/26/2014CN203504170U Esd reinforcing circuit
03/26/2014CN203504169U 10KV power supply system capacitance absorber connecting circuit
03/26/2014CN203504168U Input variable protection circuit
03/26/2014CN203504167U Surge protector
03/26/2014CN203504166U Short-circuit protection circuit for multipath parallel loads
03/26/2014CN203504165U Lightning prevention grounding system
03/26/2014CN203504164U Device for preventing capacitive load discharge impulse
03/26/2014CN203504163U Turn adjusting arc suppression coil automatic tracking compensating controller
03/26/2014CN203504145U Small electric-leakage breaker circuit
03/26/2014CN203504143U Self-locking sound equipment power supply capable of preventing electricity pollution
03/26/2014CN203504133U Intrinsic safety association device for connecting non-intrinsic safety circuit and alternating current/direct current intrinsic safety circuit
03/26/2014CN203503405U Lightning arrester device
03/26/2014CN103687208A LED overcurrent protection circuit
03/26/2014CN103686016A Television with three-level lightning protection function
03/26/2014CN103683439A System and method for controlling charge of lithium battery pack
03/26/2014CN103683307A New type series compensated line subsynchronous resonance damping and short-circuit current limiting device
03/26/2014CN103683265A Power source output current direction control and protection device
03/26/2014CN103683262A Active voltage regulating type arc extinction voltage limiting protecting device for small current grounding system
03/26/2014CN103683261A Optical transceiver equipotential arrester
03/26/2014CN103683260A IGBT (Insulated Gate Bipolar Transistor) series connection voltage equalizing circuit
03/26/2014CN103683259A High-safety communication system
03/26/2014CN103683258A Power interface protecting circuit applicable to mobile equipment
03/26/2014CN103683257A High-reliability electrostatic protection circuit
03/26/2014CN103683256A Protecting circuit applicable to DVD (digital video disk) player
03/26/2014CN103683255A Starting-up anti-surge circuit
03/26/2014CN103683254A Lightning protection circuit with high reliability
03/26/2014CN103683253A Limiting circuit and method for limiting the voltage across a semiconductor transistor
03/26/2014CN103683252A Method and systems for operating a wind turbine using dynamic braking in response to a grid event
03/26/2014CN103683251A Overvoltage protection circuit
03/26/2014CN103683250A New type brake resistor fast engaging and removing device
03/26/2014CN103683249A Overvoltage protection circuit
03/26/2014CN103683248A Over-voltage protection circuit
03/26/2014CN103683247A Power lighting protection box
03/26/2014CN103683246A Thunder-proof safety device of streetlamp
03/26/2014CN103683245A Communication base station controller with surge protection function
03/26/2014CN103683244A Power loop driving circuit and current-limiting method of solid-state power controller
03/26/2014CN103683243A Refrigerator with surge protection function
03/26/2014CN103683242A Load protection circuit
03/26/2014CN103683241A Overcurrent protection circuit
03/26/2014CN103683240A Over-current protection circuit
03/26/2014CN103683239A Surge protection circuit
03/26/2014CN103683238A Electrostatic protection circuit of camera port
03/26/2014CN103683237A Electrostatic protection circuit of mobile equipment
03/26/2014CN103683236A Camera with electrostatic protection function
03/26/2014CN103683235A Electrostatic discharge self-protection circuit
03/26/2014CN103683234A Lightning protection device
03/26/2014CN103683174A Safety control apparatus
03/26/2014CN103682988A Spark discharge gap triggering device and method for series compensation
03/26/2014CN103681651A Electrostatic discharge protection circuit device
03/26/2014CN103677038A Low-dropout regulator
03/26/2014CN102931631B Output earth leakage protection device for high-voltage and direct-current power supply system
03/26/2014CN102570622B Voltage-sharing device of super capacitors
03/26/2014CN102510053B Over-current quick-protection circuit for measurement instrument
03/26/2014CN102349206B Lighting arrester and a power transmission line provided with such an arrester
03/26/2014CN102047521B Protection system for voltage transformers
03/26/2014CN101981777B Protection device
03/26/2014CN101971450B Circuit for preventing inrush current
03/25/2014US8681464 Voltage suppressor component
03/25/2014US8681463 Circuit breaker panel
03/25/2014US8681458 Method of forming an ESD detector and structure therefor
03/25/2014US8681457 Power source system for electric powered vehicle and control method therefor
03/25/2014CA2678251C Fault current limiting hts cable and method of configuring same
03/20/2014US20140078635 Integrated surge protection for remote radio head power cable assemblies
03/20/2014US20140078634 Strengthening Element For A Mounting Flange Of A Hollow Cylindrical Insulator Housing
03/20/2014US20140078629 Semiconductor device including short-circuit protection
03/20/2014US20140078626 Protection circuit
03/20/2014US20140078624 Semiconductor integrated circuit with esd protection circuit
03/20/2014DE102013202795B3 Reversible separation device for over-voltage protection device, has switch having shape memory alloy in thermal connection with protecting device, such that protection device is reversibly separated upon heating of protection device
03/20/2014DE102006016983B4 Schaltnetzteil mit einer Überlast- und Kurzschlussabsicherung Switching power supply with overload and short circuit protection
03/19/2014EP2709228A1 Clamping protection circuit, resonance circuit and convertor
03/19/2014EP2707892A1 Redundant excess voltage circuit breaker with a rotational disk and with an added electronic assembly intended to extend a life span of an excess -voltage component
03/19/2014CN203492262U Protection circuit used for filament system of X-ray machine
03/19/2014CN203491887U Voltage withstanding circuit for aviation DC power supply circuit
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