| Patents for H01F 29 - Variable transformers or inductances not covered by group (3,889) |
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| 03/05/2015 | WO2015028253A1 On-load tap changer, tap-changing transformer for voltage regulation and method for implementing tap changing in the tap-changing transformer |
| 03/05/2015 | US20150061806 Tap changer with an improved drive system |
| 03/05/2015 | DE102013109289A1 Laststufenschalter, Stufentransformator zur Spannungsregelung und Verfahren zur Durchführung einer Umschaltung im Stufentransformator Load tap-changer step transformer for voltage control and method for performing switching in step up transformer |
| 02/24/2015 | US8963670 Tap changer |
| 02/19/2015 | WO2015022089A1 Method of manufacturing an electromagnetic induction device and an electromagnetic induction device |
| 02/19/2015 | DE112012006380T5 Umschaltstruktur zwischen mitlaufendem Kontakt und feststehendem Kontakt eines Wählers Switching structure between propagate contact and fixed contact of a voter |
| 02/18/2015 | EP2838094A1 Method of manufacturing an electromagnetic induction device and an electromagnetic induction device |
| 02/12/2015 | US20150043185 Composite electronic component and board having the same |
| 02/11/2015 | CN204156772U 油浸式三相一体化磁控电抗器磁控箱 Integrated three-phase oil-immersed reactors magnetron magnetron box |
| 02/11/2015 | CN104347252A 一种框架型干式空心可控电抗器 A framework for dry-type hollow controllable reactor |
| 02/11/2015 | CN104347251A 一种多抽头复合励磁型可控电抗器 A multi-tap complex excitation type controllable reactor |
| 02/11/2015 | CN104347250A 一种磁阀式可控电抗器三柱式无气隙铁芯 A magnetic valve controllable reactor core without air gap three-column |
| 02/11/2015 | CN104347249A 磁路并联漏磁自屏蔽式可控电抗器 Self-shielding flux leakage magnetic circuit in parallel Controllable Reactor |
| 02/11/2015 | CN104347248A 一种可控制的电抗器 A controlled reactor |
| 02/11/2015 | CN104347247A 基于磁通控制和pwm控制相结合的可控电抗器 Flux control based on a combination of control and pwm controllable reactor |
| 02/11/2015 | CN102664094B 一种多晶硅打压用单相干式变流变压器及其调压方式 One kind of polysilicon pressure with a single coherent type converter transformer and voltage mode |
| 02/05/2015 | US20150034981 Chip component |
| 02/04/2015 | EP2831894A1 Secondary distribution network transformer |
| 02/04/2015 | CN204144953U 配电变压器有载调压和分路补偿电容器自动调容的装置 Distribution Transformer LTC and shunt compensation capacitor devices automatically adjust volume |
| 02/04/2015 | CN204144067U 极性转换选择器 Polarity switch selector |
| 02/04/2015 | CN204144039U 螺旋式接触调压器 Spiral contact voltage regulator |
| 02/04/2015 | CN204144038U 一种新型调容变压器 A new tune transformer capacity |
| 02/04/2015 | CN204144023U 一种变压器本体及有载调压开关互相交换呼吸器装置 A transformer body and OLTC exchanged respirator device |
| 02/04/2015 | CN204144022U 一种变压器本体及有载调压开关下部并联使用吸湿器装置 A transformer OLTC body and the lower moisture parallel device |
| 02/04/2015 | CN104332294A 智能化非晶合金变压器 Intelligent amorphous alloy transformer |
| 02/04/2015 | CN104332293A 电抗器调压装置 Reactor pressure regulating device |
| 02/03/2015 | US8947188 Tap changer and vacuum interrupter for such a tap changer |
| 01/29/2015 | US20150028978 Distribution transformer for voltage regulation of local distribution networks |
| 01/29/2015 | US20150027989 On-load tap changer |
| 01/28/2015 | CN204130328U 多绕组零序滤波节电器 Multi-winding zero sequence filtering Saver |
| 01/28/2015 | CN204130327U 可调电感的电抗器 Adjustable inductor chokes |
| 01/28/2015 | CN104319086A 气隙式调压装置 Gap voltage regulator device |
| 01/28/2015 | CN104319085A 无触点有载无级调压变压器 Non-contact load stepless voltage transformer |
| 01/22/2015 | US20150022303 Control transformer |
| 01/22/2015 | DE102013107558A1 Laststufenschalter OLTC |
| 01/22/2015 | DE102013107557A1 Lastwähler Load selector |
| 01/22/2015 | DE102013107554A1 Lastwähler Load selector |
| 01/22/2015 | DE102013107553A1 Laststufenschalter und Verfahren zur notbetrieblichen Einstellung einer definierten Schaltposition eines Laststufenschalters OLTC and procedures for notbetrieblichen setting a defined shift position of a load tap changer |
| 01/22/2015 | DE102013107552A1 Laststufenschalter OLTC |
| 01/22/2015 | DE102013107550A1 Lastwähler Load selector |
| 01/22/2015 | DE102013107549A1 Lastwähler für Stufentransformatoren und Trägerarm für einen Vorwähler des Lastwählers Load selector for tapped transformers and support arm for a selection of load selector |
| 01/22/2015 | DE102013107547A1 Laststufenschalter, Verfahren zur Montage eines Lastumschaltereinsatzes im Laststufenschalter und Kerosinablassschraube OLTC, method of mounting a diverter switch in the OLTC and kerosene drain plug |
| 01/22/2015 | DE102013107545A1 Lastwähler Load selector |
| 01/21/2015 | CN204117870U 三相同侧条形分接开关 Three on the same side bar tap changer |
| 01/21/2015 | CN204117818U 一种可调电感 An adjustable inductor |
| 01/21/2015 | CN204117817U 一种220v电源降压变压装置 One kind of step-down transformer 220v power supply unit |
| 01/21/2015 | CN204117771U 一种新型有载调压变压器油箱 A new tank load tap |
| 01/21/2015 | CN104299764A 一种新型调容变压器 A new tune transformer capacity |
| 01/21/2015 | CN102568788B 一种单器身变压器 The body of a single-transformer |
| 01/15/2015 | DE102014100421B3 Schalter für eine Schaltvorrichtung mit Schaltwelle, dessen Verwendung in einem Lastumschalter, Schaltvorrichtung mit Schaltwelle und Schalter, deren Verwendung in einem Laststufenschalter, Lastumschalter für Laststufenschalter sowie Regeltransformator Switch for a switching device having a switch shaft, its use in a diverter switch, switching device with switching shaft and switches, their use in a load tap changer diverter switch for OLTC transformer and Rule |
| 01/14/2015 | EP2823369A1 Tap switch |
| 01/14/2015 | CN204102692U 用于铁路牵引变压器无励磁调压的联动装置 Linkage means for railway traction transformer without excitation voltage regulation |
| 01/14/2015 | CN204102691U 调压变压器 Regulating transformers |
| 01/14/2015 | CN104282424A 一种干式有载调容变压器及调容调压变压器 A dry-type transformer load transfer capacity and transfer capacity regulating transformer |
| 01/08/2015 | DE112012001304B4 Rauschfilter Noise Filters |
| 01/08/2015 | DE102012202327B4 Laststufenschalter mit mindestens zwei Vakuumschaltröhren und Antrieb für einen Lastumschalter mit mindestens zwei Vakuumschaltröhren OLTC with at least two vacuum interrupters and drive for a diverter switch with at least two vacuum interrupters |
| 01/08/2015 | DE102011008702B4 Stufenschalter mit einem Vorwähler Step switch with a selection |
| 01/07/2015 | CN204088039U 一种可调式变压器 An adjustable transformer |
| 01/07/2015 | CN204088038U 一种串联谐振试验系统用单台350kV电抗器 A tandem resonant test system with a single 350kV reactor |
| 01/07/2015 | CN204088037U 110kV变压器有载开关泄压口保护盖 110kV transformer load tap-relief port cover |
| 01/07/2015 | CN204088036U 一种变压器和小型交流弧焊机 A transformer and small AC arc welding machine |
| 01/07/2015 | CN204088035U 立体卷铁芯可调式电抗器 Stereo Volume Adjustable reactor core |
| 01/07/2015 | CN204088034U 一种新型多挡调谐电抗器 A new multi-gear tuners reactors |
| 01/07/2015 | CN104272405A 地区电网变压器 Regional power transformer |
| 01/07/2015 | CN104269258A 智能有载调容变压器 Intelligent load transfer capacity of the transformer |
| 01/07/2015 | CN104269257A 干式变压器分接布置结构 Dry-type transformers tap arrangement |
| 01/07/2015 | CN104269249A 变压器有载分接开关带电滤油装置及滤油方法 Transformer load tap-charged oil filtering equipment and oil filter method |
| 12/31/2014 | CN204067093U 一种多档组合无励磁分接开关 A multi-speed combination circuit tap switch |
| 12/31/2014 | CN204067084U 一种新型调容开关结构 A new tone volume switch structure |
| 12/31/2014 | CN204067083U 调压切换结束后真空管退出工作的真空有载分接开关 After switching regulator vacuum quit working vacuum-load tap changer |
| 12/31/2014 | CN204067009U 滚动式与夹片式组合有载调容调压分接开关 Rolling and clip combo load transfer capacity of tap changers |
| 12/31/2014 | CN204067008U 融冰变压器 Melting ice transformer |
| 12/31/2014 | CN204067007U 一种光伏发电用变压器 A photovoltaic power transformers |
| 12/31/2014 | CN204066975U 一种配电变压器引线连接结构 An electrical distribution transformer wire connecting structure |
| 12/31/2014 | CN104252959A 节能型有载调容变压器及其高低容量的智能切换方法 Intelligent switching method load transfer capacity of energy-efficient and low-capacity transformer |
| 12/31/2014 | CN104252958A 检测试验使用的中间变压器 Testing the use of an intermediate transformer |
| 12/25/2014 | US20140375407 Transformer with on-load tap changer |
| 12/24/2014 | CN204045484U 35kV电压等级油浸复合式真空有载分接开关 Oil 35kV voltage level composite vacuum load tap changer |
| 12/24/2014 | CN104242669A 自动调容的配电变压器 Automatically adjust volume of distribution transformers |
| 12/24/2014 | CN104240975A 分接开关的胀固装置 Solid expansion device tap |
| 12/24/2014 | CN104240924A 节能型有载调容变压器 Energy-efficient load transfer capacity of the transformer |
| 12/24/2014 | CN104240923A 电构件和具有这样的电构件的电动设备 Member and the electrical conductive member having such an electric device |
| 12/17/2014 | CN204029592U 一种有载调压调容变压器 A kind of load voltage regulation transformer capacity |
| 12/17/2014 | CN204029591U 一种有载调压调容分接开关 A kind of load tap changer voltage regulation tolerance |
| 12/17/2014 | CN204029590U 串联电抗器 Series Reactor |
| 12/17/2014 | CN204029589U 试验用中间变压器 Intermediate transformer test |
| 12/17/2014 | CN204029588U 一种手机充电器的新型变压器 One kind of cell phone charger new transformer |
| 12/17/2014 | CN204029560U 智能自耦合变压器 Smart VARIAC |
| 12/11/2014 | US20140360983 Stepping switch with vacuum switching tubes |
| 12/10/2014 | CN204013150U 三相星形交流电机和三相电抗器两用绕组 Three-phase and three-phase AC motor star reactors dual windings |
| 12/10/2014 | CN204011041U 油浸式变压器无励磁分接开关引线预装支撑装置 Oil-immersed transformer circuit tap switch lead preinstalled support device |
| 12/10/2014 | CN204011012U 一种试验抽头变压器 An experimental tapped transformer |
| 12/10/2014 | CN204011011U 一种具有多个额定输出容量的电力变压器 Having a plurality of rated output capacity of power transformers |
| 12/10/2014 | CN204010974U 双电压干式电力变压器的高压线圈 Dual voltage dry-type power transformer voltage coil |
| 12/10/2014 | CN204010973U 一种多电压组合干式单相变压器 A multi-voltage dry-type single-phase transformer combination |
| 12/10/2014 | CN204010965U 树脂绝缘立体卷铁芯干式调容变压器 Resin insulation dry-type three-dimensional wound core transformer capacity adjustment |
| 12/10/2014 | CN104201015A 分接开关的创新型接触切换机构 Innovative contact switching mechanism tap |
| 12/04/2014 | US20140354390 Tap changer |
| 12/04/2014 | US20140354389 Compact step-programmable optimization of low-noise amplifier signal-to-noise |
| 12/02/2014 | US8902035 Medium / high voltage inductor apparatus and method of use thereof |