Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 29 - Variable transformers or inductances not covered by group
Patents for H01F 29 - Variable transformers or inductances not covered by group (3,889)
11/2014
11/06/2014US20140327508 Inductor tunable by a variable magnetic flux density component
10/2014
10/14/2014US8860521 Variable inductor for LC oscillator
10/09/2014WO2014161729A1 Method for performing a switching process in an on-load tap changer
10/09/2014DE102013103360A1 Verfahren zur Durchführung eines Umschaltvorgangs in einem Laststufenschalter A method for performing a switching operation in a load tap changer
10/08/2014EP2787516A1 Transformer and transformer device including same
10/02/2014WO2014153936A1 Self-adaptive load type distribution transformer
09/2014
09/25/2014US20140285298 Tunable inductor
09/24/2014EP2782107A1 High voltage transformer
09/18/2014US20140266344 Varainductor, voltage controlled oscillator including the varainductor, and phase locked loop including the varainductor
09/16/2014US8836523 Fault gas alarm system
09/11/2014US20140253272 Electrostatically tunable magnetoelectric inductors with large inductance tunability
09/11/2014DE102013102299A1 Linearwähler Linear voters
08/2014
08/28/2014DE112012003991T5 Vorwähler mit Lichtbogenlöschung im Vakuum Selection with arc quenching in vacuum
08/21/2014DE102013101652A1 Laststufenschalter mit Halbleiter-Schaltelementen und Verfahren zum Betrieb eines Laststufenschalters OLTC with semiconductor switching elements, and method of operating a load tap changer
08/13/2014CN203774073U 电感可调环形铁心电抗器 Adjustable inductance toroidal core chokes
08/13/2014CN203774072U 一种在线滤油装置的有载分接开关 An online oil filter unit-load tap changer
08/13/2014CN203774071U 一种具有自适应功能的有载调容调压配电变压器 With adaptive function of load transfer capacity of regulating distribution transformer
08/13/2014CN203774070U 一种单相变压器型磁控电抗器 A single-phase transformer-type magnetron reactor
08/13/2014CN203774054U 一种非晶合金变压器 An amorphous alloy transformer
08/13/2014CN103985569A 分接头切换器 Tap changer
08/13/2014CN103985530A 调压变压器 Regulating transformers
08/13/2014CN103985524A 一种磁阀式可控电抗器 A magnetic valve controllable reactor
08/07/2014US20140218151 Dry-Type Transformer
08/07/2014DE112012001304T5 Rauschfilter Noise Filters
08/07/2014DE102012202105B4 Transformator mit Stufenschalteinrichtung Transformer with Tap-changing equipment
08/07/2014DE102006034049B4 Elektromagnetisch betätigbare Bremse oder Kupplung mit Lüftspule, Verfahren zum Betreiben derselben und Antrieb Electromagnetically actuated brake or clutch with Lüftspule, method of operating the same and drive
08/06/2014EP2761633A1 Switchable transformer with embedded switches inside the windings
08/06/2014EP2761318A1 Device and testing procedure for determination of magnetic circuit quality
08/06/2014CN203760296U 带在线负压滤油装置的有载分接开关 Online suction oil filter device with on-load tap changer
08/06/2014CN203760288U 一种用于有载调容变压器上的低压箔绕线结构 A load transfer capacity of the structure of the low-pressure foil winding on the transformer
08/06/2014CN203760278U 一种多电压实验变压器的线圈结构 Coil structure of a multi-voltage test transformer
07/2014
07/31/2014DE102013100263A1 Laststufenschalter mit einer Verbindung zum Ölvolumen eines Transformators OLTC with a connection to a transformer oil volume
07/30/2014EP2760034A1 On-load tap changing device and energizing mechanism thereof
07/30/2014CN203747713U 一种电感气隙调节装置 An inductor air gap adjustment device
07/30/2014CN203746640U 无局放气体绝缘谐振电抗器 No partial discharge gas insulated resonant reactor
07/30/2014CN203746639U 一种线端有载调压单相220kV高阻抗变压器 A wire end OLTC 220kV single-phase high-impedance transformer
07/30/2014CN203746638U 一种简易的有载开关齿轮盒支撑结构 A simple load switch gear box support structure
07/30/2014CN203746637U 一种新型组合式变压器 A new modular transformers
07/30/2014CN203746630U 高效快速负荷跟踪智能配电变压器 Fast and efficient tracking intelligent load distribution transformers
07/30/2014CN103956296A 一种用于控制真空有载分接开关真空管的驱动装置 A drive device vacuum tube-load tap changer for control
07/30/2014CN103956258A 一种机械旋转式可调电抗器 A mechanical rotary adjustable reactor
07/30/2014CN103956257A 一种多磁路调压变压器 A multi-magnetic circuit regulating transformers
07/23/2014CN203734579U 有载调容调压配电变压器控制系统 Yung-load tone control system regulating distribution transformer
07/23/2014CN203733648U 有载调容开关高压触头装置 Load transfer capacity of the switching device voltage contacts
07/23/2014CN203733647U 有载调容开关低压触头装置 Load transfer capacity low pressure switch contact arrangement
07/23/2014CN203733601U 双磁心式可调电抗器 Adjustable dual core reactors
07/23/2014CN203733600U 有载调容开关及其高压动触头绝缘支架 Load transfer capacity switches and high voltage insulation movable contact holder
07/23/2014CN203733599U 基于配电变压器分段式线圈结构的有载调容调压装置 Based on load transfer capacity regulating device segmented distribution transformer coil structure
07/23/2014CN203733598U 移相干式有载调压变压器 Coherent shift load tap
07/23/2014CN203733597U 一种组合式变压器 A modular transformer
07/23/2014CN103944423A 一种无级有载调压变压器 A non-level load tap
07/23/2014CN103943341A 能耗跟踪式节能变电装置 Energy saving transformer tracking device
07/22/2014US8786391 Reactor and reactor apparatus
07/17/2014DE102013100266A1 Laststufenschalter OLTC
07/17/2014DE102013100264A1 Laststufenschalter mit einer Verbindung zum Ölvolumen eines Transformators OLTC with a connection to a transformer oil volume
07/17/2014DE102012101988B4 Anordnung einer Luft-Drosselspule und eines Umschalters sowie Verfahren zur Herstellung einer solchen Anordnung Arrangement of an air inductor and a changeover switch as well as methods for preparing such an arrangement
07/16/2014CN203721464U 一种新型变压器调容开关 A new transformer capacity adjustment switch
07/16/2014CN203721463U 移相调压变压器 Phase-shifting transformer regulator
07/16/2014CN203721462U 干式空心多抽头融冰电抗器 Dry Hollow multi-tap ice melting reactors
07/16/2014CN203721449U 一种新型干式变压器的线圈结构 Coil structure of a new dry-type transformers
07/16/2014CN103928225A 一种将220kV无励磁调压变压器器身改造为有载调压变压器器身的方法 A non-excitation regulator will 220kV transformation of the transformer load tap the body of the method body
07/16/2014CN103928224A 一种目字型分磁调压式变压器及其变压器分磁调节电压的方法 A mesh-shaped regulating transformers and transformer sub-magnetic magnetic voltage adjustment method
07/16/2014CN103928223A 一种y型分磁调压式变压器及其变压器分磁调节电压的方法 One kind of magnetic regulator y-type sub-type transformers and transformer sub-magnetic method of adjusting the voltage
07/16/2014CN103928222A 一种u型分磁调压式变压器及其变压器分磁调节电压的方法 One kind of u-component magnetic regulator type transformers and transformer magnetic regulating voltage method
07/16/2014CN103413662B 一种变压器式可控电抗器磁集成装置 A transformer-type magnetic controllable reactor integrated device
07/16/2014CN102592807B 一种开关特性饱和电抗器有载分接开关 A switch of saturated reactors have load tap
07/15/2014US8779881 Varying inductance
07/09/2014EP2751813A1 Fault current limiter
07/09/2014CN203706832U 10kv智能能量平衡配电变压器 10kv distribution transformer intelligent energy balance
07/09/2014CN203706831U 平面变压器 Planar Transformers
07/09/2014CN203706830U 自动变容控制型节能变压器 Automatic variable capacity control energy-saving transformer
07/09/2014CN203706829U Smd封装网络变压器 Smd Package network transformers
07/09/2014CN203706818U 一种有载调容变压器低压出线结构 A kind of load transfer capacity of the transformer low-voltage outlet structure
07/09/2014CN203706794U 有载分接开关的在线补油装置 There are online up oil installations load tap changer
07/09/2014CN203705209U 变压器真空有载分接开关带电取油样装置 Vacuum transformer load tap-charged oil sampling device
07/03/2014WO2014103406A1 Current limiting device
07/02/2014CN203690129U 具有档位信号引出系统的无励磁分接开关 Gear signal extraction system has no circuit tap
07/02/2014CN203690128U 一种有载调容调压开关 A kind of load transfer capacity Tap
07/02/2014CN203690127U 有载调容开关触头组件 Load transfer capacity of switch contact assembly
07/02/2014CN203690080U 用于旋转铁芯式可调电抗器的驱动装置 Drive means for rotating adjustable core reactor
07/02/2014CN203690079U 干式卧放气隙调感消弧线圈 Dry sense of tone lying down gap Petersen Coil
07/02/2014CN203690078U 旋转铁芯式可调电抗器 Adjustable rotating core reactor
07/02/2014CN203690077U 一种有载调压变压器 A kind of load tap
07/02/2014CN203690076U 6kV和10kV高压双电压变压器 6kV 10kV high voltage and dual voltage transformer
07/02/2014CN203690075U 20kV 和35kV 高压双电压变压器 20kV and 35kV high voltage dual-voltage transformer
07/02/2014CN203690074U 双电压变压器开关 Dual voltage transformer switch
07/02/2014CN103903844A 发电机试验用变压器 Test generator transformer
07/02/2014CN103903843A 曲折接线型无级调压变压器 Wiring type stepless voltage winding transformer
07/02/2014CN103903842A 500kW发射机T网络线圈1π电感调节器 T network 500kW transmitter coil inductance 1π regulator
07/02/2014CN103903841A 500kw发射机T网络线圈3π电感调节器 T network 500kw transmitter coil inductance regulator 3π
07/02/2014CN103903837A 一种多电压实验变压器的线圈结构 Coil structure of a multi-voltage test transformer
06/2014
06/26/2014US20140176273 Tap changer having a vacuum interrupter assembly with an improved damper
06/25/2014CN203673947U 变压器 Transformer
06/25/2014CN203673946U 自耦式可调变压器 Adjustable auto-transformer
06/25/2014CN203673945U 一种单相鼓形无载开关 A single-phase drum no-load switch
06/19/2014US20140167867 Variable Inductor for LC Oscillator
06/18/2014CN203659610U 一种可拆卸有载开关外置结构 One kind of detachable external load switch structure
06/18/2014CN203659609U 节能型有载调容非晶合金配电变压器 Energy-efficient load transfer capacity amorphous alloy distribution transformer
06/18/2014CN203659608U 一种自耦变压器有载开关布置结构 One kind of auto-transformer load tap arrangement
06/18/2014CN103871721A On-load voltage regulating transformer allowing effective prevention of lightning impulses
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