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)
05/2012
05/31/2012DE102010053466A1 Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter Stages and vacuum circuit interrupter for such a step switch
05/31/2012DE102010052979A1 Laststufenschalter OLTC
05/30/2012CN202261150U Adjusting device of output voltage of permanent magnet synchronous generator
05/30/2012CN202260467U Magnetic control parallel reactor
05/30/2012CN202258896U Vacuum tube series parallel circuit structure for vacuum on-load tapping switch
05/30/2012CN202258841U Vertically-arranged integrated bipolar converter
05/30/2012CN202258840U Single-break on-load capacitance-regulating switch
05/30/2012CN202258747U Anti-explosion on-load voltage regulation dry-type transformer for mine
05/30/2012CN202258746U On-load capacity-regulating transformer
05/30/2012CN202258745U On-load automatic capacitance-regulating transformer
05/30/2012CN202258744U Gear control box for non-excitation tap switch
05/30/2012CN202258743U Tapping device for simultaneously regulating voltage at upper part and lower part of primary coil
05/30/2012CN202258742U Multi-terminal voltage regulation device of transformer
05/30/2012CN101640117B Wide-range continuously adjustable air-core reactor
05/23/2012CN102473541A 分接开关 Tap changer
05/23/2012CN102468774A 电源电路 The power supply circuit
05/23/2012CN101799270B Transformer type angle sensing system
05/18/2012WO2012062408A1 On-load tap changer
05/15/2012US8179116 Inductor assembly having a core with magnetically isolated forms
05/10/2012WO2012016202A3 Fast-cycling, conduction-cooled, quasi-isothermal, superconducting fault current limiter
05/10/2012US20120112730 Arrangement of a stepping switch on a control transformer
05/09/2012EP2449565A1 Ignition coil
05/09/2012CN202217577U Three-phase dry type on-load voltage-regulating transformer for conversion input of voltages of 10 kV and 20 kV levels
05/09/2012CN202217576U Transformer for marine frequency conversion electrical submersible pump
05/09/2012CN102446622A Loaded voltage-regulating electric transformer
05/07/2012DE202012101543U1 Laststufenschalter OLTC
05/03/2012WO2012055502A1 Tap changer
05/03/2012DE102010050264A1 Mechanischer Schalter für einen Laststufenschalter Mechanical switch for a load tap changer
05/03/2012DE102010050259A1 Umsteller Diverter
05/02/2012CN202210476U Contact structure without excitation tapping-off switch
05/02/2012CN102439440A Method for gas analysis of on-load tap changers
04/2012
04/26/2012DE102011008959B9 Stufenschalter mit Vakuumschaltröhren Tap changer with vacuum interrupters
04/25/2012CN202205567U 内嵌式过温保护电子变压器 Embedded electronic transformer overtemperature protection
04/24/2012CA2467989C Controllable transformer
04/19/2012WO2011024179A8 Improved fault current limiter with saturated core
04/18/2012CN202196655U 有载调压非晶合金变压器 Amorphous alloy transformer load tap
04/18/2012CN202196654U Magnetic-control reactor with adjustable adjusting point
04/18/2012CN102420046A 双电压变压器 Dual voltage transformer
04/17/2012DE202011001444U1 Handantrieb Hand drive
04/16/2012DE202011109843U1 Stufenschalter Tap changer
04/13/2012DE202010017646U1 Laststufenschalter OLTC
04/11/2012CN202189665U 智能调容电力变压器 Smart tune capacity power transformer
04/11/2012CN202189664U 自动调容调压配电变压器 Auto-regulating distribution transformer capacity
04/11/2012CN202189663U 组合式永磁机构调压调容开关 Combined permanent magnetic actuator voltage regulation tolerance switch
04/11/2012CN202189662U 一种单相电渣炉变压器 A single-phase transformer electroslag furnace
04/11/2012CN102412057A Symmetric leakage inductance adjustable flat transformer
04/11/2012CN102412056A Voltage-regulating winding structure of splitting winding type on-load tap-changing transformer
04/11/2012CN102412055A 可调容非晶合金变压器 Adjustable capacity amorphous alloy transformer
04/10/2012CA2467986C Device with controllable impedance
04/05/2012WO2012041367A1 Arrangement and method for the compensation of a magnetic unidirectional flux in a transformer core
04/04/2012CN202183304U 一种真空有载分接开关的切换机构 A vacuum has a switching mechanism of load tap
04/04/2012CN202183303U 变压器10kV-20kV电压转换引线结构 Transformer 10kV-20kV voltage conversion lead structure
04/04/2012CN202183298U 一种电力变压器绕组结构 A power transformer windings structure
04/04/2012CN102403109A 一种等级差式单器身有载调压变压器 A hierarchical body of poor single-load tap
04/04/2012CN102403108A 一种整流变压器高压线圈分接抽头装置 One kind of high-voltage rectifier transformer coil taps device
04/04/2012CN101958186B 跨电压等级切换调压的22万伏级电力变压器 Cross-voltage level switching regulator's 220,000-volt Power Transformers
04/04/2012CN101320650B 真空有载分接开关的真空泡系统整体式单元结构 Vacuum-load tap-vacuum bubble system monolithic unit structure
04/03/2012DE202011109824U1 Stufenschalter Tap changer
04/03/2012DE202010017058U1 Schaltanordnung Switching arrangement
03/2012
03/29/2012WO2012038030A1 Energy store for an on-load tap changer
03/28/2012CN202178175U 真空有载分接开关双真空管过渡电路 Vacuum-load tap-dual vacuum tube circuit transition
03/28/2012CN202178145U 整流变压器 Rectifier transformer
03/28/2012CN202178144U 农网调容变压器 Rural power transfer capacity of the transformer
03/28/2012CN202178143U 三相试验中间变压器 Three-phase transformer intermediate test
03/28/2012CN102394188A Coil spring mechanism of transformer capacity-regulation switch
03/28/2012CN101593615B Control device for operation of on-load tap changer and control method thereof
03/22/2012WO2012034653A1 Tap changer and vacuum switching tube for such a tap changer
03/22/2012DE102010045901A1 Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter Stages and vacuum circuit interrupter for such a step switch
03/21/2012CN202172384U 一种非晶合金干式变压器调容装置 An amorphous alloy dry-type transformer capacity adjustment device
03/21/2012CN202172020U 一种无励磁分接开关定触头与分接线连接结构 A non-circuit tap fixed contacts and tap wires connecting structure
03/21/2012CN101452759B Multi-stage pressure regulating conversion tap switch
03/14/2012EP2427762A1 Method for gas analysis of on-load tap changers
03/14/2012CN102376441A High-capacity double-body split on-load voltage-regulating transformer
03/14/2012CN101409148B Internal groove wheel drive mechanism in on-load tap-changer
03/08/2012WO2012030428A1 Magnetic non-contact switch
03/08/2012DE102010040366A1 Leistungsübertrager für ein Windrad Power transformer for a wind turbine
03/07/2012CN202159568U 一种三级有载调容配电变压器 Load capacity of a three-tone distribution transformers
03/07/2012CN202159567U Self-excitation magnetic valve type controllable reactor
03/01/2012DE202010016213U1 Umsteller Diverter
03/01/2012DE202010016212U1 Umsteller Diverter
03/01/2012DE202010016211U1 Umsteller Diverter
03/01/2012DE202010016210U1 Umsteller Diverter
02/2012
02/23/2012WO2012022397A1 Tap changer
02/23/2012WO2012022396A1 On-load tap changer
02/23/2012CA2808506A1 On-load tap changer
02/23/2012CA2806964A1 Tap changer
02/22/2012CN102360851A Combined permanent-magnetic mechanism voltage/capacity adjusting switch
02/22/2012CN102360850A Capacitance switch for transformer
02/22/2012CN102360849A Double-high and low voltage on-load regulating transformer
02/22/2012CN102360848A Method for realizing high-insulation and large-current on-load voltage regulation, and regulating transformer
02/22/2012CN102360847A Dual-transformation ratio transformer
02/22/2012CN102360846A Embedded over-temperature protection electronic transformer
02/22/2012CN102360845A Single-phase multi-tap isolation transformer
02/22/2012CN102360844A Controllable reactor with orthogonal magnetic rings
02/22/2012CN102360843A Distribution transformer capable of automatically adjusting capacitance and voltage
02/16/2012WO2012019663A1 Coil arrangement, in particular an alternating-current transformer, use and arrangement for energy transmission without contact
02/16/2012WO2012019514A1 High voltage direct current converter transformer and method for on-load tap change switch connection thereof
02/15/2012EP2417613A1 On-load tap changer comprising semiconductor switching elements
02/15/2012CN202145572U Turn adjusting controllable reactor
02/15/2012CN202145431U 变压器调容开关盘簧机构 Yung switching transformer coil spring adjustment mechanism
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