| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | CAPACITOR CHARGING APPARATUS | KR20070022432 | 2007-03-07 | KR20070092154A | 2007-09-12 | KOBAYASHI SHINYA; YAMAMICHI YOSHIFUMI |
| A capacitor charging apparatus is provided to perform a switching control by accurately monitoring an output voltage. A capacitor charging apparatus includes a transformer(10) and an output capacitor(C1) which is charged by a current flowing through a secondary coil(14) of the transformer. A switching transistor(Tr1) is arranged on a path of a primary coil(12) of the transformer. A switching controller controls a turning on/off process of the switching transistor. A voltage detector(108) monitors a voltage on a tap, which is arranged on the secondary coil of the transformer. The switching controller controls the turning on/off process of the switching transistor by using an output voltage which is detected by the voltage detector. | ||||||
| 162 | 플라즈마 장치를 위한 전력원 | KR1020050049812 | 2005-06-10 | KR100702459B1 | 2007-04-04 | 블랭켄쉽죠지디.; 돗지로버트엘.; 쿠큰토드이.; 루오리펭 |
| 플라즈마 장치는 제 1 리드 및 제 2 리드를 포함하는 직렬 회로와 전력원 사이에 매트릭스 변압기를 가진 AC 출력 신호를 생성하기 위한 전력원을 포함한다. 매트릭스 변압기는 한 단부에서 연결된 제 1 및 제 2 튜브들로 형성된 제 1 주 부분과 한 단부에서 연결된 제 3 및 제 4 튜브들로 형성된 제 2 주 부분을 가지는 적어도 두 개의 모듈들을 포함하고, 상기 제 3 및 제 4 튜브들은 상기 제 1 및 제 2 튜브들 각각에 장착되고, 상기 제 1 및 제 2 튜브들 각각으로부터 전기적으로 절연되며, 상기 동심의 튜브들은 모듈을 통해 전체적으로 평행의 연장 통로들을 정의한다. 2차 권선은 각 모듈의 연장 통로들을 통해 싸여진다. 모듈들의 제 1 주 섹션들을 통해 AC 출력 신호이 제 1 극성을 통과시키기 위해 전력원으로부터 매트릭스 변압기로의 제 1 직렬 회로가 있고, 제 2 주 섹션들을 통해 출력 신호의 제 2 극성을 통과시키기 위해 전력원으로부터 매트릭스 변압기로의 제 2 직렬 회로가 있고, 모듈들의 2차 권선들 각각을 위한 정류기, 리드들에 걸쳐 약 500볼트가 넘는 전압이 존재하도록 제 1 및 제 2 리드들과 직렬로 정류기들을 연결하는 제 3 직렬 회로가 있다. 플라즈마 장치, 전력원, 플라즈마 토치, 플라즈마 아크 커터, 스위칭 인버터 기반, 변압기. | ||||||
| 163 | 용접기용 변압기 모듈 | KR1020040036272 | 2004-05-21 | KR1020050008473A | 2005-01-21 | 쿡켄토드이; 닷지로버트엘 |
| PURPOSE: A transformer module for a welder is provided to reduce a design of the transformer module and to enhance heat dissipation characteristics. CONSTITUTION: A module for forming a secondary winding of a high frequency transformer includes a first conductive tube(12), a second conductive tube(20), a magnetic core(90,92,94,96), a jumper strap, and a connector. The first conductive tube having first and second ends. The second conductive tube is substantially parallel and closely adjacent to the first conductive tube and have first and second ends. The magnetic core surrounds each of the tubes. The jumper strap joins the first ends of the tubes. The connector forms a circuit at second ends of the tubes. The tube includes a central elongated passage for accommodating one or more primary windings. | ||||||
| 164 | 지중케이블 선로 임피던스 측정용 전원 공급 장치 | KR1020020061647 | 2002-10-10 | KR100442340B1 | 2004-07-30 | 하체웅; 김정년 |
| Disclosed is a power supply for measuring the line impedance of an underground cable, which includes an input terminal section having a plurality of input terminals, a plurality of autotransformers, a transformer adjustment tap, a plurality of 3rd-harmonics cancellation transformers, and an output terminal section having a plurality of output terminals. The autotransformers are connected respectively to the input terminals. The transformer adjustment tap is connected to all of the autotransformers. The 3rd-harmonics cancellation transformers are connected respectively to the autotransformers. The output terminals are connected respectively to the 3rd-harmonics cancellation transformers. The autotransformers are simultaneously controlled by the transformer adjustment tap so as to uniformly boost the powers supplied respectively to the autotransformers, and 3rd-harmonics of the powers are cancelled in the 3rd-harmonics cancellation transformers to remove noise, so that the powers are stably applied respectively to the phases of the underground cable. | ||||||
| 165 | On-load tap changer according to the reactor switching principle | US15104762 | 2015-01-12 | US10147563B2 | 2018-12-04 | Uwe Kaltenborn; Alfred Bieringer; Christian Hammer; Christian Pircher; Andreas Sachsenhauser; Thomas Schuster |
| The invention relates to an on-load tap changer (2) according to the reactor switching principle for uninterrupted load switching between different tap windings of a tapped transformer (1), comprising: —an inductor (3) which is designed as an inductive transition reactance; —the inductor (3) being part of the on-load tap changer (2). | ||||||
| 166 | EV wireless charging adjustable flux angle charger | US15091208 | 2016-04-05 | US10086715B2 | 2018-10-02 | Allan Lewis; Bilal Javaid; John Robb; Mohammad Naserian |
| A method includes detecting that a wireless charging-capable vehicle is in a charging position proximate a primary coil of a wireless charging system that is operable to wirelessly charge the vehicle via a secondary coil installed in the vehicle. The primary coil includes a top coil and a bottom coil that are substantially parallel to one another, the top coil and the bottom coil coupled to one another via a plurality of cross-coil junction units each including a switching element that routes electric current through at least a portion of one or more of the top coil and the bottom coil. The method further includes setting the switching elements such that current flowing through the primary coil produces an optimal angle of magnetic flux for wirelessly charging the vehicle given a position of the primary coil with respect to a position of the secondary coil, and causing electric current to flow through the primary coil according to the set switching elements to wirelessly charge the vehicle. | ||||||
| 167 | MULTI-PHASE TRANSFORMER | US15845089 | 2017-12-18 | US20180174744A1 | 2018-06-21 | Takuya Maeda |
| A multi-phase transformer includes a centrally-disposed first core, a plurality of second cores each provided outside the first core so as to constitute a loop-shaped magnetic path with respect to the first core, and a primary winding and a secondary winding wound on each of the second cores. | ||||||
| 168 | DC-DC CONVERTER, SWITCHING IC, AND INDUCTOR DEVICE | US15820550 | 2017-11-22 | US20180097438A1 | 2018-04-05 | Koichiro Iijima |
| A DC-DC converter includes an inductor device with an inductance value that is switched between a first inductance and a second inductance larger than the first inductance in a case where a load includes a first load and a second load heavier than the first load and a switching circuit electrically connected to the inductor device. The inductor device includes a first coil, a second coil, and a switching element with a resistance value that is controlled in accordance with the load. A circuit in which the second coil and the switching element are electrically connected in series and the first coil are electrically connected in parallel. | ||||||
| 169 | VOLTAGE REGULATION FOR MULTI-PHASE POWER SYSTEMS | US15480784 | 2017-04-06 | US20170294846A1 | 2017-10-12 | DANIEL JOSEPH DALEY; DANIEL MICHAEL SAUER; FRED JOSEPH RAPANT |
| A power system can include a first tap changer for a first regulated transformer, where the first tap changer has a plurality of first positions. The power system can also include a second tap changer for a second regulated transformer, where the second tap changer has a plurality of second positions. The power system can further include at least one first instrument transformer coupled to the first regulated transformer. The power system can also include at least one second instrument transformer coupled to the second regulated transformer. The power system can further include a controller coupled to the at least one first instrument transformer and the at least one second instrument transformer, where the controller adjusts the first tap changer to a first adjusted position among the first positions based on the first measurements of the first regulated transformer and the second measurements of the second regulated transformer. | ||||||
| 170 | Oil Type Phase Shift Transformer for Medium Voltage Inverter System | US15388357 | 2016-12-22 | US20170288572A1 | 2017-10-05 | Tae-Bum KIM |
| Disclosed is a phase shift transformer for supplying voltage to a plurality of unit power cells in a medium voltage inverter system. The phase shift transformer according to the present invention comprises a first bushing arranged by the side of a tank and connected to a first winding to apply high voltage and a plurality of second bushings arranged on the top of a cover and connected to each of a plurality of second windings to output low voltage, wherein three outputs of the plurality of second bushings can be applied to unit power cells. | ||||||
| 171 | Power receiving device, power transmitting device and power transfer system | US14764219 | 2014-01-30 | US09722433B2 | 2017-08-01 | Shinji Ichikawa; Masayuki Komatsu; Shigeru Abe; Hiroyoshi Kaneko |
| A power transmitting device includes power transmitting coils, which contactlessly transmit electric power to a power receiving coil, and a switching device. When the power receiving coil is a solenoid coil, the switching device connects the power transmitting coils in parallel with each other such that magnetic fluxes generated inside the power transmitting coils flowing in the same direction along a winding axis. When the power receiving coil is a circular coil, the switching device connects the power transmitting coils in series with each other such that magnetic fluxes generated inside the power transmitting coils flowing in opposite directions along the winding axis. | ||||||
| 172 | Arrangement for igniting thin rods composed of electrically conductive material, in particular thin silicon rods | US14172231 | 2014-02-04 | US09698698B2 | 2017-07-04 | Günter Heid |
| A circuit arrangement for igniting thin rods composed of electrically conductive material at are thin silicon rods, wherein a three-phase AC system forming a three-phase system is used to feed electrical energy to the thin rods, wherein the three-phase AC system forms the three-phase system or a three-phase transformer having a secondary-side three-phase winding system forms the three-phase system, and wherein the three phases of the three-phase system or of the secondary-side three-phase winding system are interconnected or controlled such that voltages comprising voltage vectors of the three phases cancel one another out in a three-phase closed vector triangle system. | ||||||
| 173 | Transformer | US14514980 | 2014-10-15 | US09583252B2 | 2017-02-28 | Benjamin Weber; Frank Cornelius; Jiahua Zhang; Martin Carlen; Thorsten Steinmetz |
| A transformer and a method of manufacturing a transformer are disclosed. The transformer can include a transformer core with at least three core limbs which are arranged in parallel with respect to one another and perpendicular to corner points of an area spanned by a polygon, and wherein axial end regions of each of the at least three core limbs transition into a respective yoke segment arranged transversely with respect to the axial end regions. Main windings can be arranged around each of the at least three core limbs in a hollow-cylindrical winding region. A magnetic cross section of a respective core limb can be greater than a magnetic cross section of the respective yoke segment. Additional windings can be electrically connected to a respective main winding and can be arranged around each of the respective yoke segments. | ||||||
| 174 | Tap switching power supply apparatus and methods for supporting multiple input voltages | US15048861 | 2016-02-19 | US09568937B1 | 2017-02-14 | Paul D. Brooks |
| A device and method(s) for implementing an AC line-powered primary-tap switching power supply which is easily or automatically switchable between a first configuration which supports a first input voltage, e.g., a 120 VAC input voltage, and a second configuration which supports a second input voltage, e.g., a 240 VAC input voltage, which is an integer multiple of the first input voltage, is described. | ||||||
| 175 | ELECTRICAL SYSTEM INCORPORATING A SINGLE STRUCTURE MULTIMODE ANTENNA FOR WIRELESS POWER TRANSMISSION USING MAGNETIC FIELD COUPLING | US14821157 | 2015-08-07 | US20170040694A1 | 2017-02-09 | Vinit Singh; Alberto Peralta; Ajit Rajagopalan; Jason Luzinski; Jacob Babcock; Christine A. Frysz |
| An electrical system incorporating a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands. | ||||||
| 176 | System and method for reducing power consumption in a power supply circuit | US14127836 | 2012-06-29 | US09541930B2 | 2017-01-10 | Ron Campeanu; Laurence Gonano |
| A system for reducing power consumption in a power supply circuit including: a transformer including: a core; a first winding including a first end and a second end of a first wire wound on the core; a second winding including a first end and a second end of a second wire, wherein the second wire has a larger cross-section than the first wire and the second end of the first wire is connected to the first end of the second wire; an input electrically connecting the first and second windings to the power supply circuit; and an output for connecting to a load; and a controller connected to the transformer for controlling an output voltage at the output, wherein the output voltage is less than a supply voltage at the input, to reduce the power consumption of the load. | ||||||
| 177 | ON-LOAD TAP CHANGER ACCORDING TO THE REACTOR SWITCHING PRINCIPLE | US15104762 | 2015-12-01 | US20160329168A1 | 2016-11-10 | Uwe KALTENBORN; Alfred BIERINGER; Christian HAMMER; Christian PIRCHER; Andreas SACHSENHAUSER; Thomas SCHUSTER |
| The invention relates to an on-load tap changer (2) according to the reactor switching principle for uninterrupted load switching between different tap windings of a tapped transformer (1), comprising: an inductor (3) which is designed as an inductive transition reactance; the inductor (3) being part of the on-load tap changer (2). | ||||||
| 178 | HIGH POWER BATTERY POWERED RF AMPLIFIER TOPOLOGY | US14579543 | 2014-12-22 | US20160175024A1 | 2016-06-23 | David C. Yates; Gavin M. Monson |
| The design of high-power RF amplifiers, specifically the design of the output transformer, is complicated by the relatively low voltage provided by battery packs that are practical for handheld devices meant for possibly delicate uses. Provided is an RF amplifier with one or more taps on the primary coil, wherein each tap is controlled by a half bridge driver. The output transformer primary winding may be driven between any two half bridge drivers, with the number of turns between the half bridge drivers and the fixed output winding determining the overall turns ration for the transformer. | ||||||
| 179 | METHODS AND SYSTEMS OF FIELD UPGRADEABLE TRANSFORMERS | US14187114 | 2014-02-21 | US20150243428A1 | 2015-08-27 | Deepakraj M. Divan; Anish Prasai |
| Methods and systems of field upgradeable transformers are provided. Voltage transformation, intelligence, communications, and control are integrated in a flexible and cost effective manner. A field upgradeable transformer may comprise a transformer module and a cold plate. The transformer module provides voltage transformation. The transformer module is enclosed in a housing containing coolant with dielectric properties, such as mineral oil. The cold plate may be mounted to the housing and thermally coupled to the coolant. Interfaces to the primary side and/or secondary side of transformer module may be configured to be disposed on the surface of the housing. A field upgradable transformer may comprise various electronic modules that are configured to be mounted to the cold plate. An electronic module may be thermally coupled to the coolant, and may be configured to be coupled to the transformer module. An electronic module may monitor the voltage level of the primary side and/or the secondary side of the field upgradeable transformer, the current level through the field upgradeable transformer, the power factor, and/or the coolant temperature; create an outage alert; communicate with a control center; provide electromechanical tap changing; regulate line voltages, power factor, and/or harmonics; and/or mitigate voltage sags. | ||||||
| 180 | TRANSFORMER | US14514980 | 2014-10-15 | US20150109085A1 | 2015-04-23 | Benjamin WEBER; Frank CORNELIUS; Jiahua ZHANG; Martin CARLEN; Thorsten STEINMETZ |
| A transformer and a method of manufacturing a transformer are disclosed. The transformer can include a transformer core with at least three core limbs which are arranged in parallel with respect to one another and perpendicular to corner points of an area spanned by a polygon, and wherein axial end regions of each of the at least three core limbs transition into a respective yoke segment arranged transversely with respect to the axial end regions. Main windings can be arranged around each of the at least three core limbs in a hollow-cylindrical winding region. A magnetic cross section of a respective core limb can be greater than a magnetic cross section of the respective yoke segment. Additional windings can be electrically connected to a respective main winding and can be arranged around each of the respective yoke segments. | ||||||
QQ群二维码
意见反馈
意见反馈