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