H02P 13 - Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output

Patents for H02P 13 - Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output (981)
06/2006
06/28/2006	CN2792015Y High-current combined generator
06/21/2006	CN1790893A Series controlled transformer
06/07/2006	CN1783681A Suitching type controller
05/2006
05/31/2006	CN2785010Y AC voltage compensator
05/11/2006	DE202006004309U1 Current generator for e.g. submerged arc welding process, has three phase transformer with one primary coil and two secondary coils that are disposed at rectifiers, where positive and negative outputs of rectifiers are parallely switched
05/09/2006	CA2216276C On-load tap changer of a step switch
05/03/2006	CN1766667A Method for measuring switch time of multi-contact switch and switch time measuring circuit
04/2006
04/19/2006	EP1325394A4 Wide ratio autotransformer-type current ranging
04/19/2006	CN2773956Y Intelligent light-loaded adjustable transformer of cabinet cooker hood
03/2006
03/29/2006	CN2768299Y Switching type control device
03/21/2006	US7015677 Automatic voltage regulator with function for suppressing overshoot
03/15/2006	CN2765389Y Switching transformer type voltage and current regulation device
03/08/2006	CN1745353A System for voltage stabilization of power supply lines
02/2006
02/22/2006	CN1738188A AC step controlled parallel reactor device
02/15/2006	CN2759055Y Limit position protection and step-by-step controller of shunting voltage regulating electric mechanics
02/08/2006	CN1731662A Microcomputer control automatic pressure regulating device
02/08/2006	CN1731647A TCR controller
02/01/2006	EP0835548B1 Resonance tapped transformer
02/01/2006	CN1240175C Segmented induction electric machine with interdigitated disk-type rotor and stator construction
01/2006
01/18/2006	CN1237701C System automatically influencing electric network and motor drive for said system
01/12/2006	DE10148040B4 Regelbarer Induktionsformator mit elektronischer Steuerung Adjustable Induktionsformator with electronic control
01/11/2006	CN2751507Y Power-saving voltage-stabilizing controller for illumination
01/11/2006	CN1719708A Method for detecting tap position of high-voltage tap changer by rotary coder
01/04/2006	CN1235241C Starting and operation changeable power supply under large loading of electric machine
12/2005
12/22/2005	DE202005016260U1 Multi-phase transformer assembly for generating alternating or direct current voltage, has primary phase paths connected to multi-phase input voltage at input side, and current influencing device provided between rectifier and load
12/07/2005	EP1155338B1 Method of controlling step switches
12/01/2005	WO2005026535A3 Tidal energy system
12/01/2005	DE102004052316B3 Switching method for measuring switch times on an on-load step switch attaches a test circuit to electric switch elements inside a step switch with a separate source of voltage
11/2005
11/22/2005	US6967413 Tidal energy system
11/15/2005	US6965222 Current controller for inductive load
11/09/2005	CN1694346A Controllable inductance of AC field magnetic amplifier and its application
10/2005
10/19/2005	CN2735519Y Remote intelligent transformer
10/12/2005	CN2733744Y Time clock control switching box
09/2005
09/21/2005	CN1671036A Increasable capacity integrated installation of high-low voltage variable frequency speed control
09/07/2005	CN2724166Y Full range quick adjustable reactor
06/2005
06/29/2005	CN1208793C Voltage regulating and rectifying transformer for linear descending third transformer
06/15/2005	CN2704968Y Power overlapping apparatus
06/15/2005	CN1206673C Thyristor tap changer
05/2005
05/19/2005	US20050104561 Automatic voltage regulator with function for suppressing overshoot
04/2005
04/12/2005	US6879232 Wide ratio autotransformer-type current ranging
03/2005
03/30/2005	CN2689591Y Compatible high-low voltage frequency variable speed-regulating integrated circuits
03/24/2005	WO2005026535A2 Tidal energy system
03/10/2005	US20050052031 Tidal energy system
03/09/2005	CN2684437Y Reactive combination control device for circuit voltage
02/2005
02/23/2005	CN2681453Y Intelligent controller for transformer
02/16/2005	CN2679811Y Power source able to convert starting/operating for dynamo under large load
02/16/2005	CN1581676A Controlled reactor
02/15/2005	US6856122 Thyristor tap changer
01/2005
01/12/2005	CN2671230Y Active voltage regulator for large non-excited transformer
01/05/2005	CN1560994A Intelligent control device and remote monitoring system for transformer
01/05/2005	CN1560883A Start and operation changable power supply unit for large loading of electric machine
12/2004
12/22/2004	CN1556535A Romote intelligent type transformer
11/2004
11/03/2004	CN2653657Y Output self regulating power transformer and its stabilivolt regulator
10/2004
10/07/2004	DE10314282A1 Rotation transformer for transmission of electrical energy between stationary and rotating machine components e.g. in electric motor
10/06/2004	CN1534862A Regulatable voltage equilibrium transformer
09/2004
09/30/2004	DE102004010394A1 Strom-Controller für induktive Last Current controller for inductive load
09/29/2004	CN1533023A Controller for inductive load current
09/23/2004	US20040184212 System for voltage stabilization of power supply lines
09/16/2004	US20040178782 Current controller for inductive load
09/07/2004	US6787704 Method and apparatus for increasing the rating of a transformer
07/2004
07/28/2004	CN2629341Y 可调电压平衡变压器 Adjustable voltage transformer balanced
07/14/2004	CN2625947Y Intelligent voltage regulating brownout equipment
07/01/2004	WO2004034548A3 Psc motor system for hvac applications with field adjustment and fail-safe capabilities
06/2004
06/30/2004	CN2622931Y Multifunctional controllable voltage stabilizing energy saver
06/23/2004	CN1155027C Method of monitoring functional capability of tap selector
04/2004
04/22/2004	WO2004034548A2 Psc motor system for hvac applications with field adjustment and fail-safe capabilities
04/08/2004	US20040067049 PSC motor system for use in HVAC applications with field adjustment and fail-safe capabilities
03/2004
03/18/2004	DE19537354B4 Verfahren und Vorrichtung zur Bestimmung eines Stromwertes eines digital geregelten Leistungsteils Method and device for determining a current value of a digitally controlled power section
03/10/2004	CN1141785C Reactance characteristic regulating method and device for mutual inductor
02/2004
02/25/2004	CN1478286A Thyristor tap changer
02/19/2004	US20040032699 Thyristor tap changer
01/2004
01/07/2004	CN1466263A Method for controlling high voltage transformer of microwave oven
12/2003
12/17/2003	CN2593463Y Power-saving apparatus
11/2003
11/19/2003	CN1457063A Voltage regulating and rectifying transformer for linear descending third transformer
10/2003
10/15/2003	EP1352404A1 Thyristor tap changer
10/08/2003	CN2579078Y High-low voltage frequency conversion speed adjustable integrated device for high-voltage motor
10/08/2003	CN1447510A Multiunit bipolarity output circuits of two winding transormer
09/2003
09/24/2003	CN1444334A Reactance regulating circuit and its application
09/03/2003	EP1341295A1 Power supply circuit for a three-phase motor
08/2003
08/14/2003	US20030151482 Wide ratio autotransformer-type current ranging
07/2003
07/23/2003	CN1431767A Electrical switching unit with assistant inversion unit
07/09/2003	EP1325394A1 Wide ratio autotransformer-type current ranging
03/2003
03/04/2003	US6529858 Method of controlling step switches
12/2002
12/27/2002	WO2002023301A9 Wide ratio autotransformer-type current ranging
10/2002
10/23/2002	CN2518200Y Special energy saving transformer of walking beam type pumping unit
07/2002
07/25/2002	WO2002058088A1 Thyristor tap changer
07/16/2002	US6420856 Versatile power flow transformers for compensating power flow in a transmission line
07/04/2002	WO2002027910A3 Sub-cycle static voltage regulator and controller
07/04/2002	WO2002023301A8 Wide ratio autotransformer-type current ranging
06/2002
06/20/2002	DE10102310C1 Thyristor stepping switch for stepping transformer has hybrid construction with mechanical stepping switch and thyristor load switching device in separate housing
04/2002
04/04/2002	WO2002027910A2 Sub-cycle static voltage regulator and controller
03/2002
03/21/2002	WO2002023301A1 Wide ratio autotransformer-type current ranging
02/2002
02/27/2002	CN1337722A Automatically voltage-regulating double-voltage transformer
02/26/2002	US6351106 Static voltage regulator and controller
02/21/2002	US20020021200 Method and apparatus for increasing the rating of a transformer
11/2001
11/21/2001	EP1155338A1 Method of controlling step switches
11/09/2001	CA2346599A1 Method and apparatus for increasing the rating of a transformer
11/09/2001	CA2308044A1 Method and apparatus for increasing the rating of a transformer
10/2001
10/31/2001	CN1074210C Magnetic difference induction voltage regulator and voltage-regulation power source and power factor compensator
08/2001
08/29/2001	CN1310514A Reactance characteristic regulating method and device for mutual inductor

1 2 3 4 5 6 7 8 9 10