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)
09/2012
09/19/2012CN202444242U Overcurrent protection circuit of electric automobile electric driven controller
09/19/2012CN202443855U Comprehensive conditioning module for squirrel-cage hollow current transformer
09/19/2012CN202441568U Energy-efficient submerged motor pump, which prevents motor from burning under overload, open-phase and water shortage conditions
09/19/2012CN102687359A Method and apparatus for ground distance protection
09/19/2012CN102687357A Direct current arc fault circuit interrupter, direct current arc fault detector, noise blanking circuit for a direct current arc fault circuit interrupter, and method of detecting arc faults
09/19/2012CN102684574A Driving circuit, motor driving method and vehicle engine heat exchange system
09/19/2012CN102684570A Multi-way delay start and overheat protection device
09/19/2012CN102684565A Direct current motor driver
09/19/2012CN102684507A Flyback switching power supply
09/19/2012CN102684467A Bypass processing method and controller for power unit of H-bridge cascade type equipment
09/19/2012CN102684311A 10 kilovolt (KV) cascade switching station graded protection device and protection method thereof
09/19/2012CN102684308A Superconducting state information-based power distribution network self-healing system and method
09/19/2012CN102684269A Intelligent control system of nano lead-acid storage battery
09/19/2012CN102684250A Charge/discharge control circuit and battery assembly
09/19/2012CN102684246A Isolated power supply management system and management method
09/19/2012CN102684176A Networking differential protection method for power distribution network based on maintenance of terminal equipment
09/19/2012CN102684175A Implementation method for micro grid protector
09/19/2012CN102684174A Relaying protection method for promoting low-voltage ride-through capacity of wind electric field
09/19/2012CN102684173A Quick network electric power relay protection system
09/19/2012CN102684172A Bus differential protection method for realizing sectional dead zone protection based on virtual bus
09/19/2012CN102684171A Tripping and alarming system for high-voltage switch cabinet
09/19/2012CN102684170A Power switch automatic turn-off control device
09/19/2012CN102684169A Differential protection signal synchronizing method for distribution network system
09/19/2012CN102684168A Low-voltage vacuum feed switch electricity jump alarm device and underground substation power supply system
09/19/2012CN102684167A Recoil protection circuit for power failure of power supply
09/19/2012CN102684166A Transistor circuit with protecting function
09/19/2012CN102684165A Charge and discharge protection circuit for multi-section lithium battery
09/19/2012CN102684164A Class e amplifier with inductive clamp
09/19/2012CN102684163A Full load self-detection protection module for charge pump
09/19/2012CN102684162A High pressure protection circuit of low voltage DC converter and method thereof
09/19/2012CN102684161A Default phase protection device of motor
09/19/2012CN102684160A Overvoltage and overheating protection device
09/19/2012CN102684159A Control circuit and control method for motor of paper shredder
09/19/2012CN102684158A Overheat delay protection device for motor
09/19/2012CN102684157A Intelligent protector for motor
09/19/2012CN102684156A Field discharge and overvoltage protective device for large-sized generator rotor
09/19/2012CN102684155A Voltage regulator with function of protecting operating voltage of automobile alternator from being out of control
09/19/2012CN102684154A Otection relay
09/19/2012CN102684153A Device for controlling linkage of circuit breakers of line transformer bank
09/19/2012CN102684152A Special fault electric arc detection arc-extinguishing device for photovoltaic confluence
09/19/2012CN102684151A Dual-redundancy A/D (analog/digital) sampling signal effectiveness judgment method and relay protection method
09/19/2012CN102681451A Electric tool with memorizing function and method for realizing motor shaft lock protection
09/19/2012CN102681445A Anti-jamming integrated intelligent controller
09/19/2012CN101895094B Method for measuring and calculating overload protection setting value of high-voltage motor
09/19/2012CN101882783B Method for reducing fault processing time of current grounding system in 10kV voltage class
09/18/2012US8271216 Isolated current sensor with codec
09/18/2012US8270139 Adjustable arc electrode assembly and method of assembling
09/18/2012US8270128 Commutation type DC breaker
09/18/2012US8269451 Power conversion device
09/18/2012CA2630232C A control and protection system for asynchronous generators in the event of symmetrical and asymmetrical faults
09/18/2012CA2329127C Mimic high pass filter in a protective relay
09/13/2012WO2012119645A1 System for transmitting electrical power from a direct current line to an alternating voltage network
09/13/2012WO2012012517A3 Sensing and control electronics for a power grid protection system
09/13/2012US20120230070 Method And System For Controlling A Power Converter System Connected To A DC-Bus Capacitor
09/13/2012US20120229937 High current dc switching controller with fault monitoring
09/13/2012US20120229060 Variable coil configuration system, apparatus and method
09/13/2012US20120229031 Converting Controller
09/13/2012US20120228949 Dc electrical power system
09/13/2012DE102011013437A1 Fluid compressor for heat pump, has control unit that is provided to turn off electric motor, when actual drive current of motor exceeds predetermined desired drive current
09/13/2012DE102011005418A1 Sicherheits-Ladeeinrichtung Security charger
09/13/2012DE102011005416A1 Steuerung einer Versorgungsspannung Controlling a supply voltage
09/13/2012DE102011005414A1 Ladeeinrichtung mit Sicherheitsabschaltung Charger with safety shutdown
09/12/2012EP2497175A1 Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices
09/12/2012CN202435330U Power module driving protection system of permanent magnet synchronous motor controller
09/12/2012CN202435320U Protection circuit of soft starter
09/12/2012CN202435304U Novel digital inverter circuit
09/12/2012CN202435281U Automatic voltage converting system based on singlechip
09/12/2012CN202435252U IGBT (Insulate Gate Bipolar Transistor) driving and protection circuit
09/12/2012CN202435130U Power supply of invading wave recording device of transformer substation
09/12/2012CN202435092U Equalizing charge and discharge control system for storage battery
09/12/2012CN202435083U Portable detecting system for slave control modules of battery management system
09/12/2012CN202435069U Battery management system and corresponding electronic system
09/12/2012CN202435029U Battery reverse connection prevention circuit
09/12/2012CN202435023U Novel intelligent controller of outdoor pole-mounted switch
09/12/2012CN202435022U Electrified railway traction network microcomputer feed line protection device
09/12/2012CN202435021U Automatic fault isolation system for distribution network feed line
09/12/2012CN202435020U Intelligent power grid monitoring protection system
09/12/2012CN202435019U Switch closing coil protection device
09/12/2012CN202435018U Preheating relay for preventing short circuit failure
09/12/2012CN202435017U One-way protection device
09/12/2012CN202435016U Quick protection circuit device for double-fed wind power generation system
09/12/2012CN202435015U Power supply system
09/12/2012CN202435014U Short-circuit power-off protection circuit of intrinsically safe power supply for mine
09/12/2012CN202435013U Short-circuit protection circuit for mining intrinsically safe power supply
09/12/2012CN202435012U System for protecting servo motor
09/12/2012CN202435011U Open phase protection circuit for motor
09/12/2012CN202435010U Open phase protector of motor unit
09/12/2012CN202435009U Anti-explosion electrical equipment and heat radiation protection circuit thereof
09/12/2012CN202435008U Motor circuit
09/12/2012CN202435007U Fault control circuit of medium-voltage and high-voltage solid-state soft starter
09/12/2012CN202434623U Battery protection element
09/12/2012CN102668364A Preventing load rejection overvoltages in synchronous rectifiers
09/12/2012CN102668291A Electrostatic atomization device
09/12/2012CN102664568A Novel solid-state relay aiming at running direction control of three-phase alternating current motor and method
09/12/2012CN102664450A Stand-by battery pack on-line monitoring device of large-size wind generator set variable-pitch controller
09/12/2012CN102664392A Differential protection method based on redundancy CT (Computed Tomography) winding
09/12/2012CN102664391A Substation area island protection method and substation area island protection system
09/12/2012CN102664390A Digital general protection observing and controlling device
09/12/2012CN102664389A Stabilizing rectifier with fault indicator
09/12/2012CN102664388A Overheat protection circuit for asynchronous motor
1 ... 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 ... 328