IN2013CN01310A - - Google Patents

Info

Publication number
IN2013CN01310A
IN2013CN01310A IN1310CHN2013A IN2013CN01310A IN 2013CN01310 A IN2013CN01310 A IN 2013CN01310A IN 1310CHN2013 A IN1310CHN2013 A IN 1310CHN2013A IN 2013CN01310 A IN2013CN01310 A IN 2013CN01310A
Authority
IN
India
Prior art keywords
power amplifier
switching power
load
load current
voltage
Prior art date
Application number
Other languages
English (en)
Inventor
Hendrik Huisman
Original Assignee
Koninkl Philips Electronics Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of IN2013CN01310A publication Critical patent/IN2013CN01310A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/38—Means for preventing simultaneous conduction of switches
    • H02M1/385—Means for preventing simultaneous conduction of switches with means for correcting output voltage deviations introduced by the dead time

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Dc-Dc Converters (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IN1310CHN2013 2010-08-13 2011-08-05 IN2013CN01310A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10172725 2010-08-13
PCT/IB2011/053500 WO2012020363A1 (en) 2010-08-13 2011-08-05 Switched-mode power supply apparatus and method

Publications (1)

Publication Number Publication Date
IN2013CN01310A true IN2013CN01310A (enExample) 2015-08-07

Family

ID=44583227

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1310CHN2013 IN2013CN01310A (enExample) 2010-08-13 2011-08-05

Country Status (7)

Country Link
US (1) US8937820B2 (enExample)
EP (1) EP2603974B1 (enExample)
JP (1) JP5937074B2 (enExample)
CN (1) CN103069714B (enExample)
IN (1) IN2013CN01310A (enExample)
RU (1) RU2571393C2 (enExample)
WO (1) WO2012020363A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2656092B1 (en) * 2010-12-20 2015-07-15 Koninklijke Philips N.V. State space feedback controller in the digital domain for an mri gradient coil power supply
US8773196B2 (en) * 2011-09-30 2014-07-08 Clevech Corporation Resource pooling amplifier
HUE029292T2 (en) 2011-12-20 2017-02-28 ERICSSON TELEFON AB L M (publ) Transmitter, transceiver, communication device, method and computer program
CN104142483B (zh) * 2013-05-07 2017-07-07 辽宁开普医疗系统有限公司 一种高压大电流小纹波梯度放大器
KR102141207B1 (ko) 2013-11-11 2020-08-05 삼성디스플레이 주식회사 디스플레이 장치, 전원 전압 생성 장치, 및 전원 전압 생성 방법
CN107005150B (zh) * 2014-12-18 2019-10-11 皇家飞利浦有限公司 用于驱动负载的功率设备和方法
NL2015303B1 (en) * 2015-08-13 2017-02-28 Prodrive Tech Bv Electric power converter and MRI system comprising such converter.
EP3196713B2 (de) * 2016-01-19 2024-06-26 dSPACE GmbH Simulationsvorrichtung zur simulation
EP3472634A1 (en) * 2016-06-16 2019-04-24 Koninklijke Philips N.V. Magnetic field gradient coil assembly with integrated modulator and switch unit
JP7106252B2 (ja) * 2017-06-26 2022-07-26 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置

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JP2762279B2 (ja) * 1988-09-30 1998-06-04 ジーイー横河メディカルシステム株式会社 核磁気共鳴装置
US5617058A (en) * 1995-11-13 1997-04-01 Apogee Technology, Inc. Digital signal processing for linearization of small input signals to a tri-state power switch
US5764024A (en) * 1997-04-07 1998-06-09 Motorola, Inc. Pulse width modulator (PWM) system with low cost dead time distortion correction
DE19837439C2 (de) * 1998-08-18 2000-07-13 Siemens Ag Verfahren und Vorrichtung zum Erzeugen von Ansteuersignalen für eine Leistungsendstufe und Leistungsendstufe
US6294954B1 (en) 1999-09-23 2001-09-25 Audiologic, Incorporated Adaptive dead time control for switching circuits
GB2357915B (en) 1999-12-30 2001-12-05 John Francis Hope A scheme for correcting distortion in an all-digital power amplifier
JP2002064971A (ja) * 2000-08-17 2002-02-28 Taiyo Yuden Co Ltd 混成集積回路装置
US6859739B2 (en) 2001-01-19 2005-02-22 Smartsignal Corporation Global state change indicator for empirical modeling in condition based monitoring
US6593806B1 (en) * 2001-08-10 2003-07-15 Cirrus Logic, Inc. Circuits and methods for compensating switched mode amplifiers
RU2212729C1 (ru) * 2002-01-08 2003-09-20 Государственное унитарное предприятие "Всероссийский электротехнический институт им. В.И.Ленина" Коммутатор и устройство для питания нагрузки знакопеременным напряжением на его основе
TW576007B (en) * 2002-09-20 2004-02-11 Richtek Technology Corp Semi-simulating current sensing apparatus and method for switching mode DC/DC power source converter
JP4209266B2 (ja) * 2003-06-17 2009-01-14 三菱電機株式会社 リアルタイムシミュレーション装置およびリアルタイムシミュレーション方法
US7345442B2 (en) * 2003-09-02 2008-03-18 Nsk Ltd. Device for controlling electric-motor power steering device
FI119406B (fi) * 2005-02-11 2008-10-31 Abb Oy Menetelmä ja järjestely taajuusmuuttajan yhteydessä
US7151406B2 (en) 2005-03-15 2006-12-19 Texas Instruments Incorporated Compensation of nonlinearity introduced by dead time in switching output stage
RU2292627C1 (ru) * 2005-06-30 2007-01-27 Государственное образовательное учреждение высшего профессионального образования "Таганрогский государственный радиотехнический университет" (ТРТУ) Источник вторичного электропитания с компенсацией искажений в питающей сети
DE102005048464B4 (de) 2005-10-07 2014-11-06 Dspace Digital Signal Processing And Control Engineering Gmbh Verfahren und Vorrichtung zum Simulieren einer induktiven Last
US7286009B2 (en) 2005-12-30 2007-10-23 D2Audio Corporation Digital PWM amplifier with simulation-based feedback
JP4749874B2 (ja) * 2006-01-30 2011-08-17 日立オートモティブシステムズ株式会社 電力変換装置及びそれを用いたモータ駆動装置
JP4762824B2 (ja) * 2006-08-10 2011-08-31 株式会社豊田中央研究所 電力変換回路
DE102006055577B4 (de) * 2006-11-21 2014-03-20 Ihp Gmbh - Innovations For High Performance Microelectronics / Leibniz-Institut Für Innovative Mikroelektronik Sigma-Delta-Modulator mit Rückkopplung für Leistungsverstärker
JP2008259090A (ja) * 2007-04-09 2008-10-23 Olympus Corp 増幅回路及び増幅回路装置
US7979223B2 (en) 2007-06-15 2011-07-12 University Of South Carolina Systems and methods for power hardware in the loop testing
JP2009077523A (ja) * 2007-09-20 2009-04-09 Diamond Electric Mfg Co Ltd デジタルコンバータ及びその制御方法

Also Published As

Publication number Publication date
CN103069714A (zh) 2013-04-24
EP2603974A1 (en) 2013-06-19
US8937820B2 (en) 2015-01-20
RU2571393C2 (ru) 2015-12-20
US20130127532A1 (en) 2013-05-23
WO2012020363A1 (en) 2012-02-16
RU2013110831A (ru) 2014-09-20
CN103069714B (zh) 2016-05-04
JP2013535946A (ja) 2013-09-12
EP2603974B1 (en) 2015-03-25
JP5937074B2 (ja) 2016-06-22

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