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)
06/2014
06/18/2014CN103871720A Measuring device allowing input voltage adjustment
06/12/2014US20140160820 Electrical Current Transformer for Power Distribution Line Sensors
06/11/2014EP2740132A1 An improved, high-efficiency, energy-saving device for inserting between a power source and a motive and/or lighting power load
06/11/2014CN203644536U 基于手机模块检测控制的电力变压器 Phone-based control module detects a power transformer
06/11/2014CN203644535U 大容量试验用大电流变压器 Large-capacity high-current transformer test
06/11/2014CN203644534U 一种双台变压器高压自动调容开关 A dual high voltage auto transformer capacity switch
06/04/2014EP2737514A2 Switching device
06/04/2014CN203631289U 一种低压有载调压变压器 A low-pressure load tap
06/04/2014CN203631288U 110kv三相双绕组有载调压变压器调压线圈结构 110kv three-phase double-winding transformer load tap tap winding structure
06/04/2014CN203631287U 双分裂有载调压系统 Double split-load voltage regulation system
06/04/2014CN203631286U 一种串变调压双八字线圈型式整流变压器 One kind of character string variable regulator dual coil type transformer rectifier
06/04/2014CN203631233U 基于电压控制的可调电感 Based adjustable inductor voltage control
06/04/2014CN103840728A System and method for controlling on-load capacity regulation and voltage regulation distribution transformer
06/04/2014CN103839665A On-load capacitance and voltage adjusting device and method on basis of sectional coil structure of distribution transformer
06/04/2014CN103839664A Transformer
05/2014
05/28/2014CN203617114U 一种改善变压器电压比的调压绕组结构 A method for improving the structure of the regulating winding transformer voltage ratio
05/28/2014CN203617113U 一种新型三相变压器开关 A new three-phase transformer switch
05/28/2014CN203617112U 一种船用或海洋平台用多绕组移相分裂干式变压器 One kind of ship or offshore platform with multi-winding phase shift split dry-type transformers
05/28/2014CN103828014A 开关装置 Switching device
05/28/2014CN103824687A 电感可调环形铁心电抗器 Adjustable toroidal core inductor Reactor
05/22/2014WO2014078870A1 Port isolation in shared transformers
05/21/2014CN203608056U 励磁装置 Exciter
05/21/2014CN203607230U 一种调压调容配电变压器 One kind of voltage regulation capacity distribution transformers
05/21/2014CN103812119A 中压串联电容补偿装置和包含其的变压器 MV series capacitor compensation device and contains its transformer
05/21/2014CN103811158A 一种变压器外挂有载分接开关 A transformer plug-load tap changer
05/21/2014CN102412057B 对称型漏感可调式扁平变压器 Adjustable flat symmetrical transformer leakage inductance
05/20/2014DE202013104954U1 Übergangs-mitlaufende und -feststehende Kontaktkomponente eines Laststufenschalters Transitional follower and -feststehende contact component of load tap changer
05/15/2014DE202013011233U9 Elektrischer Generator mit variabler magnetischer Sättigung Electric generator with variable magnetic saturation
05/14/2014CN203596264U 一种防雷低损耗调压配电变压器 One kind of mine low-loss distribution transformers regulator
05/14/2014CN103794343A 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
05/14/2014CN102356443B 具有半导体开关元件的分接开关 A semiconductor switching element tap-
05/07/2014CN203588825U 海洋平台变频调速用多分接干式变压器 Frequency offshore platform with multi-drop dry-type transformers
05/07/2014CN203588824U 一种基于阻尼减震机构的悬浮干式变压系统 A damping mechanism of suspension of dry-type transformer-based systems
05/07/2014CN103776663A 一种变压器真空有载分接开关带电取油样装置 A transformer load tap vacuum has charged oil sample means
05/01/2014US20140118101 Transformer provided with a taps panel, an electric-insulation method taps panel of a dry distribution transformer, and a taps panel for a dry distribution transformer
04/2014
04/30/2014CN203573806U Non-contact constant current series-connection-type linear adjustable reactor
04/30/2014CN203573805U Transformer for welding machine
04/30/2014CN203573790U Current regulator, transformer of welding machine and welding machine
04/30/2014CN203566103U Current regulator for welding machine and novel transformer for welding machine
04/30/2014CN103765534A Dry-type transformer
04/30/2014CN103765530A Fault current limiter
04/23/2014CN203562289U On-load regulating switch
04/23/2014CN203562288U Dual-high-voltage on-load voltage-regulation single-phase testing transformer
04/23/2014CN203562287U 220 kV on-load voltage regulation single-phase test transformer
04/23/2014CN103745814A Amorphous alloy transformer
04/23/2014CN103745809A Online oil filtering device with intelligent frequency conversion function for main transformer load switch and method
04/23/2014CN102543397B Ultrahigh-voltage large-capacity split-winding type transformer
04/23/2014CN102354626B Vertically-arranged integral bipolar converter
04/17/2014WO2014056694A1 On-load tap changer with a tickler winding, and method for operating an on-load tap changer
04/16/2014CN203552910U Contact voltage regulator box body structure
04/16/2014CN203552909U Contact type voltage regulator box body structure convenient to move
04/16/2014CN203552908U Rectifier transformer with double-epitaxy-delta progressive-decrease voltage regulation function
04/16/2014CN203552907U Bracket used for load switch of oil-immersed transformer
04/16/2014CN203552889U Arranging structure of transformer regulating winding
04/16/2014CN103733282A An improved, high-efficiency, energy-saving device for inserting between a power source and a motive and/or lighting power load
04/16/2014CN103730242A On-load voltage-regulating transformer voltage regulation structure provided with bias field winding
04/16/2014CN103730241A Transformer model for direct-current magnetic biasing test
04/16/2014CN103730240A Variable-flux voltage regulating auto transformer for maintaining constant low voltage
04/16/2014CN103730235A Secondary side terminal voltage regulating auto-transformer wiring method
04/16/2014CN102624004B Magnetic valve controllable reactor
04/10/2014DE112009005164B4 Spannungsfreier käfigförmiger Stufenschalter für einen Transformator Tension-free cage-shaped tap changer for a transformer
04/09/2014CN203536241U Electrodynamic mechanism case of power transformer on-load voltage regulating tapping switch
04/09/2014CN203536198U Transformer
04/09/2014CN203536197U Three-in-one oil tank integrating voltage-regulating transformers, rectifier transformers and saturable reactors
04/09/2014CN203536196U Automatic capacitance and voltage adjusting transformer
04/09/2014CN203536195U Voltage regulating transformer
04/09/2014CN103714955A Adjustable annular inductor
04/03/2014WO2014048650A1 On-load tap changer with preselector
04/03/2014WO2014047917A1 Single-phase electric furnace transformer
04/03/2014DE102008024602B4 Schaltungsanordnung und deren Verwendung Circuitry and their use
04/02/2014CN203522194U Electromagnetic voltage regulator
04/02/2014CN103700471A Adjustable transformer
03/2014
03/27/2014US20140085028 Tap changer and vacuum interrupter for such a tap changer
03/27/2014US20140085027 Varying Inductance
03/27/2014DE102012109174A1 Laststufenschalter mit Vorwähler OLTC with selection
03/26/2014CN103680884A 10kv intelligent energy balance distribution transformer
03/26/2014CN103680883A 500kV-level split on-load voltage regulation power transformer
03/26/2014CN103680882A Self-coupling power transformer in 330kV three-phase and three-winding neutral point on-load voltage regulation mode
03/26/2014CN103680881A Voltage regulating transformer and rank difference voltage regulating method
03/26/2014CN103680880A High-power high-frequency transformer
03/26/2014CN103680879A Double-voltage transformer switch
03/26/2014CN103680878A 20kV and 35kV high-voltage dual-voltage transformer
03/26/2014CN103680877A 6kV and 10kV high-voltage dual-voltage transformer
03/26/2014CN103680876A Dual-frequency universal power transformer
03/26/2014CN102543399B Phase-shifting voltage-regulating method of three-phase dry-type rectifier transformer of short-wave transmitter power supply
03/19/2014CN203491073U On-load capacity regulating transformer
03/19/2014CN103646796A On-load capacity-modulating switching contact assembly
03/19/2014CN103646757A Transformer, synchronous generator and synchronous motor
03/12/2014DE202014001799U1 Trafostufenschalter Transformer tap changer
03/12/2014CN203481024U Intelligent voltage-adjusting capacity-adjusting transformer
03/12/2014CN203481023U Multi-level continuous voltage adjusting twelve-pulse-wave rectifier transformer
03/12/2014CN103632828A Manufacturing technology of on-load adjustable capacity transformer iron yoke insulating part
03/12/2014CN103632820A On-load adjustable capacity transformer low-voltage outgoing line structure
03/12/2014CN102543398B Transformer for realizing voltage change through changeover of leads
03/06/2014DE102012107900A1 Kraftspeicher für einen Laststufenschalter Power memory for a load tap changer
03/05/2014CN203466088U Fan-shaped non-excitation tapping switch
03/05/2014CN203466051U Control transformer
03/05/2014CN203466050U Novel isolation transformer for alternating-current converter
03/05/2014CN203466049U Novel structure of testing transformer
03/05/2014CN203466006U Voltage-controlled adjustable inductor
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