| 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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| 08/25/2011 | DE102010008973A1 Stufenschalter Tap changer |
| 08/25/2011 | DE102010008972A1 Stufenschalter Tap changer |
| 08/17/2011 | CN201937535U Flux control and pulse width modulation (PWM) control based controllable reactor |
| 08/17/2011 | CN102158166A Electronic type transfer switch and method for transformer |
| 08/17/2011 | CN102158165A Dynamic difference correction nonlinear adaptive control method for magnetically controlled shunt reactor |
| 08/17/2011 | CN102158164A Trapezoidal variable weight regression control method for magnetically controlled shunt reactor |
| 08/03/2011 | CN201918956U 一种农业变压器的节能控制器 An agricultural energy-saving controller transformer |
| 07/27/2011 | CN201910763U Integrated control system for distribution transformer |
| 07/20/2011 | CN102130646A Method for controlling constant-power inverse model of ultra-/extra-high voltage magnetically controlled shunt reactor |
| 07/20/2011 | CN102130458A Ultra-high voltage flexible paralleling reactor |
| 07/20/2011 | CN101697474B Remote automatic control method of high-voltage shut reactor considering safety of system voltage |
| 07/13/2011 | CN201898475U On-load capacity-modulating box-type transformer substation |
| 06/29/2011 | CN201887717U Control device and control system of on-load capacity regulating transformer based on GPRS (general packet radio service) |
| 06/29/2011 | CN201887716U Control device of on-load adjustable capacity transformer |
| 06/29/2011 | CN201887715U Voltage transformer error regulating device |
| 06/23/2011 | WO2011073771A1 Transformer |
| 06/23/2011 | WO2011072460A1 Alternating-current stepped controllable paralleling single/three-phase reactor |
| 06/22/2011 | CN201878088U Automatic voltage regulator of switching voltage regulator (SVR) line |
| 06/22/2011 | CN102104359A Alternating current (AC) stepped controllable single-phase/three-phase shunt reactor |
| 06/15/2011 | CN201869152U Frequency-adjustable portable device for ultralow frequency output |
| 06/15/2011 | CN201869151U Intelligent control system with failure isolation for economic operation of transformer |
| 06/15/2011 | CN102097998A Current amplitude adjusting method for conventional transformer |
| 06/15/2011 | CN102097997A Control system of load capacitance-adjusting transformer |
| 06/15/2011 | CN102097996A Current amplitude adjusting method for auto coupling transformer |
| 06/15/2011 | CN101299541B Supervoltage magnetic-controlled shunt reactor excitation equipment |
| 06/09/2011 | WO2011067774A1 An intelligent controller |
| 06/08/2011 | CN201859757U Energy-saving on-load capacity regulating amorphous alloy transformer |
| 06/01/2011 | DE102010052502A1 Inductor or multi-phase transformer compensating method, involves separating compensation windings, sample windings and electronic unit by operating coils, where electronic unit is connected with high controller by communication bus |
| 05/31/2011 | CA2537578C Tidal energy system |
| 05/26/2011 | WO2010045995A3 Method for parallel control of transformers having step switches |
| 05/25/2011 | CN201846299U High-pressure soft start, voltage-stabilizing and voltage-regulating device of compensator transformer |
| 05/25/2011 | CN101345508B Controllable afterflow method of magnetic controlled shunt reactor |
| 05/25/2011 | CN101286723B Control method for ultra-high/extra-high voltage magnetic control type parallel reactor |
| 05/25/2011 | CN101268531B Method and device for prevention and protection of electrical transformer against explosion and fire |
| 05/18/2011 | CN102064759A Self-excited controllable saturation resistor and control method thereof |
| 05/04/2011 | CN201821315U Loaded voltage-adjusting control system of transformer |
| 05/04/2011 | CN102045019A Control structure and control method of coiled voltage stabilizer |
| 04/27/2011 | EP2181499B1 Method and device to compensate for an asymmetrical dc bias current in a power transformer connected to a high voltage converter |
| 04/27/2011 | CN201813345U Rear-end tap type power regulating circuit of high-frequency power transformer |
| 04/27/2011 | CN102035454A Controllable saturable reactor and control method thereof |
| 04/26/2011 | CA2404768C Brushless dc ring motor cooling system |
| 04/20/2011 | CN101286722B Step control device and control method for antiskid crosspiece of loaded pressure regulating switch of transformer |
| 04/14/2011 | DE102009048813A1 Stufenschalter Tap changer |
| 04/14/2011 | DE102004040228B4 Fahrzeug mit Elektroantrieb Electric vehicle |
| 04/13/2011 | CN201797480U System for remotely controlling frequency of frequency converter in kiln |
| 04/13/2011 | CN102013868A Numerical control variable inductance |
| 04/13/2011 | CN102013307A On-load capacity-regulation distributing transformer |
| 03/16/2011 | EP2294495A1 Voltage regulation system |
| 03/03/2011 | WO2011024167A1 System and method for controlling voltage, useful for controlling the voltage at the user site |
| 02/10/2011 | DE102009035699A1 Anordnung eines Stufenschalters an einem Regeltransformator Arrangement of a tap changer to a control transformer |
| 02/09/2011 | CN201742161U On-load capacitance regulation distribution transformer |
| 02/02/2011 | CN101964548A Comprehensive intelligent assembly of power transformer |
| 01/19/2011 | CN101951221A Twelve pulsating commutation transformer and method and circuit for removing residual magnetism thereof |
| 01/05/2011 | CN201699644U Flux compensation adjustable reactor based on detection system voltage |
| 12/22/2010 | CN201682454U Optimizing system of main transformer based on economic equivalent weight analysis |
| 12/22/2010 | CN201682453U Energy saving device for miniwatt power transformer |
| 12/22/2010 | CN101403933B Full-automatic alternating current voltage compensator |
| 12/14/2010 | US7852650 Selectable line voltage inverters and associated methods |
| 12/08/2010 | CN101615882B Real-time closed-loop automatic control method for power transformer |
| 12/01/2010 | EP2256915A1 Electric energy feedback device |
| 12/01/2010 | CN201663579U Charged distribution transformer with automatic voltage regulating function |
| 12/01/2010 | CN101567658B Rotating transformer exciting circuit based on sinusoidal pulse width modulation (SPWM) |
| 11/18/2010 | DE102009019341A1 Verfahren und Vorrichtung zum Schalten einer Transformatoreinrichtung eines Schienenfahrzeugs an eine Wechselspannung liefernde Energieversorgungseinrichtung Method and device for switching a transformer device of a rail vehicle to an alternating voltage power supply means supplying |
| 11/17/2010 | EP2251878A1 Electric transformer |
| 11/17/2010 | CN201639541U Phase adjusting transformer monitoring circuit |
| 11/17/2010 | CN201639540U Transformer operation control device based on RISC (Reduced Instruction-Set Computer) chip |
| 11/03/2010 | CN201623685U Remote online monitoring device of transformer cooling device |
| 11/03/2010 | CN101877272A Device for reducing standby losses |
| 10/27/2010 | CN101192806B A control method of transformer excitation cycle and its control circuit |
| 10/14/2010 | DE102009017197A1 Stufenschalter mit Halbleiter-Schaltelementen Position switch with semiconductor switching elements |
| 10/13/2010 | CN101345122B Direct current flux control type adjustable reactor |
| 09/29/2010 | CN101232178B Magnetic control type paralleling reactor field excitation branch line overvoltage protecting method and device |
| 09/23/2010 | US20100237704 Single-phase to n-phase converter and power conversion system |
| 09/23/2010 | DE102009014243A1 Local power transformer or circuit for electrical distribution transformer for control or regulation of voltage range of every phase for low voltage level, is provided with distribution transformer with primary and secondary coiling |
| 09/22/2010 | CN101841296A Intelligent power distributing and saving device |
| 09/14/2010 | CA2393180C Device for actuating an electromagnet |
| 09/01/2010 | CN201571012U Novel series compensation reactor device controlled by controllable silicon |
| 08/25/2010 | CN101814890A Tap changer control device and method of transformers in parallel based on circulating current method |
| 08/25/2010 | CN101373143B Method for detecting LVDT sensor signal |
| 08/12/2010 | DE102009008432A1 Low voltage supply device for e.g. gas thermal controller, has transformer comprising primary winding such that transformer is adapted for performance requirement of electrical devices |
| 07/29/2010 | DE202010005444U1 Ein elektrischer Transformator mit selbst regulierender Abgabespannungsregulierung An electrical transformer with self-adjusting output voltage regulation |
| 07/29/2010 | DE102009006504A1 Controller and single-phase transformer arrangement for alternating current system, has output windings switched over set of switches and bypassed over another set of switches, and controller for controlling actuation of sets of switches |
| 07/28/2010 | EP2211148A2 Method and device for determining an angular position by means of a resolver |
| 07/22/2010 | WO2010006397A3 System and method for regulating a load voltage in power distribution circuits |
| 07/21/2010 | CN201533275U Device for regulating load voltage or current |
| 07/20/2010 | US7759813 Gravity wave power generation apparatus |
| 07/14/2010 | CN101777866A High-voltage power-saving voltage regulator |
| 06/24/2010 | DE102008064487A1 Mittel-Niederspannungstransformator mit Stufenschaltung Medium-low voltage transformer tap change |
| 06/16/2010 | CN201509180U High-capacity controllable reactor with match of grading and continuous control |
| 06/16/2010 | CN201509086U magnetically controlled reactor |
| 06/16/2010 | CN101741307A Dynamic simulation device and method thereof of super and extra high voltage controllable magnetic control shunt reactor |
| 06/09/2010 | CN201504215U Optical fiber transmission trigger excitation control device |
| 06/09/2010 | CN101729015A Energy-saving anti-theft electric transformer special for pumping unit |
| 06/02/2010 | CN201499124U Control device for magnetic control reactor |
| 06/02/2010 | CN101383220B Dry magnet controlled reactor |
| 05/26/2010 | CN201490961U Energy-saving automatic control device of transformer |
| 05/19/2010 | CN201479074U Controller for magnetic control reactor |
| 05/19/2010 | CN101710820A Dynamic analog device for graded controllable parallel reactors and test method thereof |
| 05/19/2010 | CN101710819A Novel thyristor controlled series compensation reactor device |
| 05/12/2010 | CN201467059U Flexible gear shift and flexible bypass control circuit structure of central-point zero transformer |