| Patents for H02P 13 - Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output (981) |
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| 03/27/2013 | CN103001566A Adjustable on-chip inductor with superhigh Q value |
| 03/21/2013 | WO2013013656A3 Method for adaptively controlling the supply voltage in local distribution systems |
| 03/20/2013 | CN202818218U Intelligent high-speed magnetic controller for adjustable reactor |
| 03/20/2013 | CN202816623U Feeder line automatic voltage regulation device |
| 03/20/2013 | CN102983799A Electromotor rotating speed control system |
| 03/13/2013 | CN202796311U Multi-tap transformer for heating loop |
| 03/13/2013 | CN101615800B Optimization method for VQC control mode of transformer station |
| 03/06/2013 | CN102360734B Intelligent wedged smoothly adjustable reactor |
| 02/27/2013 | CN202758721U Converting device |
| 02/27/2013 | CN102946225A Exciting circuit for rotating transformer |
| 02/13/2013 | CN202736683U Hand-operated drive device |
| 02/06/2013 | CN202721443U An electric power quality controller |
| 02/06/2013 | CN101710820B Method for using dynamic analog device for graded controllable parallel reactors |
| 01/30/2013 | CN102904263A Quick magnetizing and demagnetizing device based on magnetically controlled reactor (MCR) |
| 01/30/2013 | CN102903494A Novel cross magnetization direct-current magnetism-assisting adjustable electric reactor |
| 01/24/2013 | DE102011108255A1 Verfahren zur adaptiven Regelung der Versorgungsspannung in Ortsnetzen A method for adaptive control of the supply voltage in local networks |
| 01/23/2013 | CN101951221B Twelve pulsating commutation transformer and method and circuit for removing residual magnetism thereof |
| 01/17/2013 | DE102011107460A1 Verfahren zur Lastumschaltung und Lastumschalter für einen Stufenschalter Method to transfer the load and load changeover switch for a tap changer |
| 01/16/2013 | CN102244492B Excitation method of self-excited magnetic-valve controllable reactor and apparatus thereof |
| 01/10/2013 | US20130009737 Transformer |
| 01/10/2013 | DE102011106804A1 Verfahren zur Stellungserfassung von Stufenschaltern A method for detecting position of tap changers |
| 01/09/2013 | CN202662440U Intelligent on-load dry type regulated capacity transformer |
| 01/09/2013 | CN202662437U Novel energy-saving noise reduction transformer |
| 01/09/2013 | CN102045019B Control structure and control method of coiled voltage stabilizer |
| 01/02/2013 | CN102856038A Inductor capable of automatically adjusting inductance value |
| 12/27/2012 | DE102010045901B4 Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter Stages and vacuum circuit interrupter for such a step switch |
| 12/26/2012 | CN202633005U Single phase dry-type convertor transformer for pressing polycrystalline silicon |
| 12/26/2012 | CN102843086A Device capable of folding wire |
| 12/26/2012 | CN102290200B Controllable saturable reactor |
| 12/26/2012 | CN102097997B Control system of load capacitance-adjusting transformer |
| 12/20/2012 | WO2012113641A3 Electronic tap changer |
| 12/20/2012 | DE102011104887A1 Verfahren zur Überwachung eines Stufenschalters A method of monitoring a tap changer |
| 12/19/2012 | EP2536022A2 Method for monitoring a step switch |
| 12/19/2012 | CN202616791U Magnetically controlled reactor rapid excitation device |
| 12/19/2012 | CN202616009U Contactless inductive voltage regulator |
| 12/19/2012 | CN102832027A Single-phase electricity-saving autotransformer and control method |
| 12/19/2012 | CN102832011A Adaptive antenna tuning and trimming inductor of multi-band communication device |
| 12/12/2012 | CN202601393U Power saving circuit for reducing loss of no-load power of transformer |
| 12/12/2012 | CN202601366U Adjustable inductor |
| 12/12/2012 | CN102820791A Energy-saving type crystal growth high-frequency power supply device |
| 12/07/2012 | DE202011110140U1 Schaltelement und Laststufenschalter mit einem solchen Schaltelement Switching element and load tap changer with such a switching element |
| 12/05/2012 | CN102810390A Three-phase magnetism-dividing voltage regulating transformer and magnetism-dividing voltage regulating method thereof |
| 12/05/2012 | CN102810389A Magnetism-shunting voltage regulation type transformer and magnetism-shunting voltage regulation method thereof |
| 12/05/2012 | CN102810388A Transformer and shunting magnet voltage adjustment method thereof |
| 12/05/2012 | CN102810383A Controllable reactor |
| 11/29/2012 | DE102010014281A9 Induktive elektronische Baugruppe und Verwendung einer solchen Inductive electronic assembly and use of such |
| 11/28/2012 | CN102801381A Controllable transformer device capable of controlling amplitude and phase angle of voltage individually and control method for same |
| 11/21/2012 | CN102185553B Continuously controllable transformer |
| 11/14/2012 | CN101694808B Transcoding method for denary shift of transformer on-load tap-changer and transcoder |
| 11/07/2012 | CN101777866B High-voltage power-saving voltage regulator |
| 10/31/2012 | CN102761128A On-line coordinated automatic control method for economical operation and reactive power optimization of transformer |
| 10/25/2012 | US20120268858 High efficiency switching method and apparatus for dynamically connecting or disconnecting mutually coupled inductive coils |
| 10/24/2012 | EP2513924A1 Transformer |
| 10/24/2012 | CN102751726A Electric power quality controller |
| 10/17/2012 | CN102739145A Starting method of magnetic voltage regulator |
| 10/10/2012 | CN202488396U Magnetic valve controllable reactor control system |
| 10/10/2012 | CN202487384U Magnetic valve type controllable reactor |
| 10/03/2012 | EP2506384A1 System and method for operating a tap changer |
| 10/03/2012 | CN202473567U Inductance type on-load tap-changer |
| 10/03/2012 | CN101841296B Intelligent power distributing and saving device |
| 09/27/2012 | WO2012126860A2 A controller for a transformer |
| 09/27/2012 | WO2012025721A4 Apparatus and method for use in transferring an electrical power supply in order to bypass a transformer based voltage optimization device |
| 09/26/2012 | CN202454423U No-load switch of transformer |
| 09/26/2012 | CN102693821A Intelligent on-load dry type capacitance-adjusting transformer |
| 09/19/2012 | CN102682978A Configuration method for capacity regulating and value fixing of on-load capacity regulating capacity distribution transformer |
| 09/19/2012 | CN102682955A Adjustable inductance |
| 09/13/2012 | DE102011013749A1 Laststufenschalter OLTC |
| 09/12/2012 | CN102664094A Single-phase dry type converter transformer for suppressing polysilicon and voltage regulation way thereof |
| 09/12/2012 | CN101964548B Comprehensive intelligent assembly of power transformer |
| 09/11/2012 | DE202010017792U1 Mechanischer Schalter für einen Laststufenschalter Mechanical switch for a load tap changer |
| 09/05/2012 | CN202424609U Current drive control device of electromagnetic coil |
| 08/30/2012 | CA2847956A1 Tap changer |
| 08/29/2012 | CN102651273A Arcless on-load volume regulation and voltage regulation distribution transformer |
| 08/23/2012 | DE102011012080A1 Stufenschalter Tap changer |
| 08/15/2012 | CN102637513A Transformer capable of improving output waveforms and output waveform improving method of transformer |
| 08/09/2012 | DE102011010392A1 Stepping switch, has contact members rotatably arranged in plane, and shift members for enabling switchable electrical conductive connection with respective electrical contact members, where shift members are not assigned to defined phase |
| 08/09/2012 | DE102011010388A1 Stufenschalter Tap changer |
| 08/07/2012 | CA2689788C Matching turns ratio and resistance ratio in a transformer having a multilayer winding |
| 07/25/2012 | DE202011109907U1 Stufenschalter Tap changer |
| 07/25/2012 | CN202353513U Series type on-load voltage regulation power saver |
| 07/25/2012 | CN202353512U Rotary transformer modulation circuit |
| 07/25/2012 | CN102611377A Magnetic valve type controllable electric reactor control system and control method |
| 07/25/2012 | CN102611376A Control coil current differential feedback based controller for electromechanical transducer |
| 07/25/2012 | CN102013307B On-load capacity-regulation distributing transformer |
| 07/18/2012 | CN102594240A Silicon controlled rectifier box used for controllable reactor |
| 07/12/2012 | DE102011008394A1 Stufenschalter Tap changer |
| 07/11/2012 | CN202333815U Novel magnetic control reactor |
| 07/11/2012 | CN202332551U Novel cross magnetization direct current magnetism-assisting adjustable reactor |
| 07/11/2012 | CN102570955A Current drive control device for electromagnetic coils |
| 07/11/2012 | CN102570954A Voltage compensator for power transformer |
| 07/11/2012 | CN102570820A Method for DC/DC converter and control transformer and power transformation system |
| 07/11/2012 | CN102568754A Controllable rectification separated type reactor |
| 07/05/2012 | WO2012025721A3 Apparatus and method for use in transferring an electrical power supply in order to bypass a transformer based voltage optimization device |
| 07/04/2012 | CN202309604U 一种基于直流电流源的励磁型mcr Based on DC current source excitation type mcr |
| 07/04/2012 | CN202309218U 变压器经济运行自动控制装置 Transformer economic operation of automatic control devices |
| 07/04/2012 | CN101741307B Dynamic simulation device and method thereof of super and extra high voltage controllable magnetic control shunt reactor |
| 07/04/2012 | CN101507099B A drive system for a tap changer |
| 06/27/2012 | CN202285385U 节能变压器 Saving transformer |
| 06/27/2012 | CN102064759B Self-excited controllable saturation resistor and control method thereof |
| 06/21/2012 | CA2837368A1 Tap changer |