Patents for H01F 29 - Variable transformers or inductances not covered by group (3,889) |
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11/16/2011 | CN202042345U Fixing structure for tapping plate of transformer |
11/16/2011 | CN202042336U Coil structure of epoxy casting dry-type transformer |
11/16/2011 | CN102243924A Off-circuit bar-type modulating capacity tap-changer |
11/10/2011 | DE102010046280B3 Kraftspeicher Power storage |
11/10/2011 | DE102010033195B3 Verfahren zur Überwachung eines Stufenschalters A method of monitoring a tap changer |
11/10/2011 | DE102010019949A1 Laststufenschalter OLTC |
11/10/2011 | DE102010019948A1 Laststufenschalter OLTC |
11/09/2011 | EP2385380A2 Current detector and method of manufacturing same |
11/09/2011 | CN202034226U Multi-range standard voltage transformer |
11/09/2011 | CN202034214U Support structure for on-load voltage-regulating switch tapping wires |
11/09/2011 | CN202034213U Auto-coupling and induction on-load voltage-regulating transformer |
11/09/2011 | CN202034212U Intelligent on-load capacity-adjusting voltage-regulating combination switch of transformer |
11/09/2011 | CN202034211U Intelligent onload voltage-regulation switch for transformer |
11/09/2011 | CN202034210U Dry-type transformer capable of adjusting capacity and voltage |
11/09/2011 | CN202034209U Three-phase oil-immersed type load tap changing distribution transformer |
11/09/2011 | CN202034208U Photovoltaic phase shifting rectification transformer |
11/09/2011 | CN202034173U Heat-radiating structure of vacuum on-load voltage regulating switch for converter transformer |
11/09/2011 | CN202034165U Rotation preventing device for no-load switch of transformer |
11/09/2011 | CN102237177A Device and method for filtering oil in electrified manner for on-load tap-changer of transformer |
11/03/2011 | WO2011134528A1 A selector switch arrangement for a high voltage device |
11/02/2011 | EP2383756A2 Device for current amplification for electromagnetic pulse shaping and use |
11/02/2011 | CN202025656U Load selector of on-load tap-changer |
11/02/2011 | CN202025628U Low-voltage radially dual-split on-load regulating transformer |
11/02/2011 | CN202025627U Shunt reactor capable of multi-capacity outputting |
11/02/2011 | CN202025619U Voltage-regulating coil for 220kV on-load voltage-regulating transformer |
10/26/2011 | CN202019199U Magnetic control reactor combined by windings wound in different directions |
10/26/2011 | CN102226969A On-load tapping switch of tandem type composite change-over switch transformer |
10/26/2011 | CN102226961A Electrically-charged oil-change device in transformer switch room and application method thereof |
10/26/2011 | CN101506922B Electric motor drive unit for on-load tap-changers |
10/26/2011 | CN101405669B Universal monitoring and diagnostic control system for a transformer or tap-changer |
10/24/2011 | DE202011000963U1 Wahlschalterbaugruppe für eine Hochspannungsvorrichtung Selector switch assembly for high-voltage device |
10/20/2011 | WO2011129717A1 Three-phase electrical reactor with magnetic biasing |
10/20/2011 | DE102010015052A1 Schrittschaltgetriebe für Laststufenschalter von Stufentransformatoren Step manual for OLTC transformers of stages |
10/20/2011 | DE102010015051A1 Mechanischer Schaltkontakt Mechanical switch contact |
10/19/2011 | CN202013801U Three-phase oil-immersed amorphous alloy distribution transformer |
10/19/2011 | CN202013800U Three-phase oil immersion type non-excitation voltage regulation distribution transformer |
10/19/2011 | CN202013799U Three-phase dry-type double-winding non-excitation voltage-regulating distribution transformer |
10/19/2011 | CN101692395B Linked linear voltage regulation non-excitation tap switch |
10/13/2011 | WO2011024179A3 Improved fault current limiter with saturated core |
10/12/2011 | CN202008918U Reinforced type switch support structure |
10/12/2011 | CN202008917U Clamping board device for high-voltage branching wires of on-load variable transformers |
10/12/2011 | CN102214513A Dual-voltage transformer |
10/05/2011 | EP2139089B8 Transformation device for automatically adjusting voltage of three-phase power supply |
10/05/2011 | CN202003812U High-resistance on-load voltage-regulating isolation transformer |
10/05/2011 | CN202003811U Three-splitting phase-shifting rectifier transformer |
10/05/2011 | CN102209998A Medium-/low-voltage transformer having tap changing, and method for the operation thereof |
10/05/2011 | CN102208266A Small-sized power transformer |
10/05/2011 | CN102208265A On-load tapping switch of composite switching-type transformer |
10/05/2011 | CN102208264A Capacity-adjustable 10kv transformer |
10/05/2011 | CN101651036B On-load switch hanger of transformer |
09/28/2011 | EP2369601A2 Coil transformer composed of unit configuration |
09/28/2011 | CN201994170U 两用电力变压器 Dual power transformers |
09/28/2011 | CN101587765B A rotating electric component |
09/28/2011 | CN101452758B Tap switch fixed contact array of unequal turn positive and negative pressure regulating manner |
09/21/2011 | CN201985497U 一种交流电融冰装置 One kind of alternating ice-melting device |
09/21/2011 | CN101640115B On-load tapping switch hanger |
09/21/2011 | CN101242159B Systems and methods for power amplifiers with voltage boosting multi-primary transformers |
09/21/2011 | CN101093748B Contrable combination type reactor |
09/15/2011 | WO2011110951A2 Electromagnetic system with no mutual inductance and an inductive gain |
09/14/2011 | CN201976061U 一种换流变压器的调压结构 A converter transformer regulating structure |
09/14/2011 | CN201975275U 一种无励磁条形调容分接开关 A non-excitation tap-bar tune Yung |
09/14/2011 | CN201975244U Shunting device of transformer |
09/14/2011 | CN201975243U 自耦移相变压器及可减压启动电动机的高压变频器 Auto decompression phase-shifting transformers and can start the motor of high-voltage inverter |
09/14/2011 | CN201975227U 高压分接引线绝缘装置 High pressure points lead wire insulation means |
09/14/2011 | CN102187410A Variable inductor |
09/14/2011 | CN101567253B Annular compensating voltage regulator connected in series |
09/14/2011 | CN101383223B Switch core of on-load tap-changer |
09/07/2011 | CN201966076U 用于无载分接开关的动触头 For no-load tap-moving contact |
09/07/2011 | CN201966051U 具有挡位定位的条形无励磁分接开关 The bar has no gear positioning circuit tap |
09/07/2011 | CN201966050U 用于真空有载分接开关的芯体内支撑装置 Vacuum-load tap-core support apparatus for in vivo |
09/07/2011 | CN201966049U 牵引变压器底部输出的三相联动电动结构 Three-phase traction transformer at the bottom of the output electric linkage structure |
09/07/2011 | CN201966048U 多功能连续工作交流弧焊机 Multifunction continuous AC arc welding machine |
09/07/2011 | CN201966047U 一种交流串联型可调负载 An AC series type adjustable load |
09/07/2011 | CN201962371U Moveable baking groove transformer capable of finely tuning output |
09/07/2011 | CN102176615A Alternating-current (AC) de-icing method |
09/07/2011 | CN102175128A Differential transformer type line displacement sensor and manufacture and use methods thereof |
09/07/2011 | CN101604573B Excitation-free conversion voltage regulation tap switch |
08/31/2011 | EP2362514A2 Device for reducing earth leakage current |
08/31/2011 | EP2361435A1 Medium-/low-voltage transformer having tap changing, and method for the operation thereof |
08/31/2011 | CN201956222U 无励磁分接开关手动操纵机构的自锁装置 No circuit tap manually operated mechanism of self-locking device |
08/31/2011 | CN201956181U 一种有载分接开关油室触头系统的密封装置 A sealing device has a load tap changer oil compartment contact system |
08/31/2011 | CN201956180U 一种大范围有载调压的试验用变压器 One kind of large-scale test load tap transformer |
08/31/2011 | CN201956179U 一种无励磁笼形线性调压分接开关 A non-linear excitation cage tap changers |
08/31/2011 | CN201956178U 一种分接开关触头档位定位装置 One kind of tap-contact gear positioning device |
08/31/2011 | CN201956177U 一种变压器调压绕组 A transformer winding regulator |
08/31/2011 | CN102169751A Bar-shaped no-excitation tap switch with gear positioning |
08/31/2011 | CN101640122B Separated assembled graphitized furnace commutator transformer of main commutator transformer |
08/31/2011 | CN101609742B Self-energy-taking rapid-response controllable reactor |
08/25/2011 | DE102010008974A1 Stufenschalter Tap changer |
08/25/2011 | DE102010008973A1 Stufenschalter Tap changer |
08/25/2011 | DE102010008972A1 Stufenschalter Tap changer |
08/24/2011 | CN201946417U 一种可调压变压器 One kind may be regulating transformers |
08/17/2011 | EP2357657A2 Inductive assembly |
08/17/2011 | CN201936730U 可带载调压的移动箱变车 LTC can change the car's moving boxes |
08/17/2011 | CN1868008B Variable inductor |
08/17/2011 | CN102158166A Electronic type transfer switch and method for transformer |
08/11/2011 | DE102010007535A1 Stufenschalter mit Freilaufelement Position switch with freewheeling element |
08/11/2011 | DE102010007534A1 Stufenschalter Tap changer |
08/10/2011 | CN201928504U 变功率可调电感镇流器 Variable power adjustable magnetic ballasts |
08/10/2011 | CN201927465U 一种多抽头干式隔离变压器 A multi-tap dry type isolation transformer |