Patents
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)
02/2014
02/12/2014CN103580008A Self-adaptive power distribution network current protection method based on estimated information
02/12/2014CN103580007A Intelligent frame controller
02/12/2014CN103580006A CT broken line discrimination method during bus protection
02/12/2014CN103580005A Novel arc light protection method
02/12/2014CN103580004A 控制与保护开关控制器 Control and protection switch controller
02/12/2014CN103580003A Electric storage apparatus and power path switch apparatus
02/12/2014CN103580002A Switch failure diagnosis device and electric storage apparatus
02/12/2014CN103580001A Current breaking device and battery pack having the same
02/12/2014CN103580000A Overvoltage protection method and circuit for switching power supply output and switching power supply provided with the circuit
02/12/2014CN103579999A High-sampling-rate method for sampling value differential protection of multi-section type self-adaption transformer
02/12/2014CN103579995A Direct-current input switching power source and undervoltage protection circuit thereof
02/12/2014CN103579990A Distributed-generation-contained power distribution system fault recovery method based on mixed decision diagram
02/12/2014CN103578705A Self-protection three-column amorphous alloy transformer
02/12/2014CN103568854A Electric car battery parallel-connection control system
02/12/2014CN103567349A Li-ion hand riveter control and protection circuit
02/12/2014CN102593797B Topological structure-based differential combination method
02/12/2014CN102510049B Relay protection configuration method of double-circuit transmission line on same tower for intelligent substation
02/12/2014CN102231514B Soft recovery control circuit of output short circuit
02/12/2014CN102170117B Battery protecting device and protecting method
02/12/2014CN102118019B Modularized multi-level converter sub-module control and protection method
02/12/2014CN102034655B 保护元件 Protection element
02/11/2014US8649911 System and method for operating a wind farm under high wind speed conditions
02/11/2014US8649131 Method and device for supervising secondary circuit of instrument transformer in power system
02/11/2014US8649130 Motor driving apparatus having fault diagnostic function
02/11/2014US8649129 Method and apparatus of providing over-temperature protection for power converters
02/11/2014US8648574 Output control device for hybrid engine-driven power generator
02/11/2014CA2812098C Movable barrier operator auto-force setting method and apparatus
02/06/2014WO2014022497A1 Hybrid mechanical and electrical transformer monitor
02/06/2014WO2014021155A1 Protective element and battery pack
02/06/2014WO2014020763A1 Numerical control device
02/06/2014WO2014019677A1 Reliable device for protection of voltage transformers
02/06/2014WO2013167060A3 Charging protection device for intelligent terminal and intelligent terminal
02/06/2014US20140036395 Near field rf communicators having refined energy sharing characteristics utilizing improved shunt current control
02/06/2014US20140036394 Battery Management System, Motor Vehicle and Battery System
02/06/2014DE102012213872A1 Battery cell module of battery e.g. lithium-ion battery for e.g. motor car, has separating device to separate electrical interconnection element which is set for connecting electronic monitoring unit to battery cell
02/05/2014EP2693587A1 Reliable device for protection of voltage transformers
02/05/2014EP2693585A1 System for protecting a plurality of electrical outlets against short circuits, and electrical facility comprising such a protective system
02/05/2014CN203423516U Electric car cell protection device
02/05/2014CN203423482U Power tube protection circuit and switch power supply circuit using the circuit
02/05/2014CN203423481U Multifunctional lithium battery protection board
02/05/2014CN203423480U Control device capable of preventing motor phase loss caused by instability of power grid
02/05/2014CN203423479U Miniature low-voltage motor integrated protection device
02/05/2014CN203423052U Intelligent transformer
02/05/2014CN203422171U Transformer temperature control system in electric power field
02/05/2014CN103563201A Method for the operation of an inverter, and inverter
02/05/2014CN103563199A Method for the operation of inverter, and inverter
02/05/2014CN103560716A Auxiliary fuel pump electric control system and method for achieving soft starting of system
02/05/2014CN103560552A Security protection and activation system used for mobile power source
02/05/2014CN103560538A Microgrid protection and switchover integrated control method based on storing energy at PCC
02/05/2014CN103560496A Control system of intelligent circuit breaker
02/05/2014CN103560495A Smart distribution grid semi-closed loop self-healing control method
02/05/2014CN103560494A Method for obtaining setting short-circuit currents protected by power distribution network
02/05/2014CN103560493A System and method for protecting medium-low-voltage side busbar quick-action in intelligent substation
02/05/2014CN103560492A Self-adapting vehicle power supply voltage protection circuit
02/05/2014CN103560491A Circuit and method for protecting phase current balance of automobile frequency converter
02/05/2014CN103560490A Protection circuit of boost constant current power supply output short circuit
02/05/2014CN103560489A Wiring circuit of interference electricity protector
02/05/2014CN103560488A Multivoltage automatic switching device on input side of transformer
02/05/2014CN103560487A Differential protection method of multi-tap special transformer
02/05/2014CN103560486A Voltage phase locking synchronous networked sampling method suitable for transformer differential protection
02/05/2014CN103560485A Method for controlling transformer clamping piece multi-point grounding currents under monitoring of double current transformers
02/05/2014CN103560484A Multipoint ground-connection current control device for three current transformers to monitor transformer clamping parts in online mode
02/05/2014CN103560483A Excitation power supply for superconducting magnet, and operation method thereof
02/05/2014CN102623960B Variable-frequency motor protection device based on intelligent sensors
02/05/2014CN102496902B Method for forming, outputting and displaying generalized node of relay protection device
02/05/2014CN102412569B Method for starting longitudinal differential protection by using fault component
02/05/2014CN102354954B Motor protecting and monitoring system
02/05/2014CN102315788B Power conversion device and overcurrent protection method thereof
02/05/2014CN102280862B Frequency converter input/output reverse connection detection protection method and device
02/05/2014CN102097784B Relay protective optical fiber digital interface device
02/04/2014US8644038 Current detection circuit for a power semiconductor device
02/04/2014US8643984 Engine system in which transformer is arranged in independent ventilation path
02/04/2014US8643982 Discrete input signal generation via output short-circuit detection
02/04/2014US8643339 Battery pack including a status detection unit to detect an abnormal status and a notification unit to notify a user of an availability to restart a discharging operation
02/04/2014US8643321 Operator mechanism
01/2014
01/30/2014WO2014018909A1 System for detecting a falling electric power conductor and related methods
01/30/2014WO2014015357A1 A method of determining a characteristic of a power transformer and a system therefor
01/30/2014DE102012213053A1 Battery for use in motor car, has battery cell which is disengaged from one of the terminals, while lower terminal and upper terminal are conductively connected with each other in secondary switching position
01/29/2014EP2689896A1 Electric tool
01/29/2014EP2689508A1 Electrical system and method for the operation thereof
01/29/2014EP1876683B1 Superconductor component with improved electrical contact
01/29/2014CN203416213U Straight twisting machine electric spindle motor control mechanism
01/29/2014CN203416208U Motor driver
01/29/2014CN203415965U Inlet-wire and outlet-wire protection device for switching station
01/29/2014CN203415964U Last circuit breaker protection ESOF starting loop for DC converter station
01/29/2014CN203415963U Universal microcomputer comprehensive protecting device
01/29/2014CN203415962U A driving circuit containing overcurrent protection and overcurrent feedback
01/29/2014CN203415961U Charger automatic power-off apparatus
01/29/2014CN203415960U 5V cell over-discharge protection circuit
01/29/2014CN203415959U Charge and discharge protection device for lithium ion battery
01/29/2014CN203415958U Battery discharge protection device of booster circuit
01/29/2014CN203415957U A compensation protector for power capacitors
01/29/2014CN203415956U 变频器系统保护装置 Inverter system protection devices
01/29/2014CN203415955U Novel short-circuit protection circuit for switching power supply
01/29/2014CN203415954U Phase-failure protection device of three-phase asynchronous motor
01/29/2014CN203415953U Intelligent coupler protection apparatus
01/29/2014CN203415952U Modular motor protector
01/29/2014CN203415951U Temperature control system of coupler
01/29/2014CN203415950U Electricity-using device input soft start resistor protection circuit
01/29/2014CN203415949U Solar cell protection module
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