JP6767867B2 - 共振電力変換装置及び制御方法 - Google Patents
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Classifications
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
-
- 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
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0016—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters
- H02M1/0019—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters the disturbance parameters being load current fluctuations
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
- H02M1/0035—Control circuits allowing low power mode operation, e.g. in standby mode using burst mode control
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/1557—Single ended primary inductor converters [SEPIC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Description
検知電圧の絶対値が第1基準電圧の絶対値以下の時に電力変換装置をターンオンし、
検知電圧の絶対値が上記第1基準電圧の絶対値より大きい第2基準電圧の絶対値以上の時に電力変換装置をターンオフする、
ステップを備える。
LI1 = LI2 = LI
CI1 = CI2 = CI
CX1 = CX2 = CX
CS1 = CS2 = CS
ここで、
CDS,tot = CI + COSS + CS + CX||CISS
COSS = CDS + CDG
CISS = CGS + CDG
ここで、tD,onは第4期間であり、tD,offは第3期間である。即ち、tD,on及びtD,offは、それぞれ、基準電圧と交差する検知電圧からの制御ループターンオン及びターンオフ遅延であり、そして、それぞれ、電力変換装置のターンオン及びターンオフである。制御回路の遅延が一定ならば、方程式はVoutはIoutの線形関数であることを示し、より長い遅延はVout,maxを定義する。tD,onとtD,offとが等しくなる特別なケースにおいては、VoutはIoutから独立である。任意の所与の負荷で、Voutのオフセット:ΔVout,off及びfMは、以下の
及び
によってCoutとtD,on及びtD,offとの遅延の値から決定される。変調周波数は、50%の負荷で最高である。即ち、電力変換装置は半分の時間でターンオンされる:
ここで
Cout = 3.3 μF
I0 = 1.04 A, Iout = 0.52 A
RFB2 = 2 kΩ, RFB1 = 8.2 kΩ
CFB = 220 pF
td,on = 700 ns + 170 ns = 870 ns
td,off = 170 ns
によって決定されるため、vout,refは、Vref及びRFB1-RFB2によって設定される出力電圧の目標値である。Δt+及びΔt-は、それぞれ、voutがvout,refを交わる時点からvoutが最大値及び最小値に到達する時点までの時間遅延である。これら方程式の変数に依存して、vout,offsetは正でも負でもよく、Ioutと共に減少する。ΔVoutの測定された依存性は、図17の下側のプロットに示されている。オフセットと出力リップルの双方が、Coutの増大と共に低減され、一方でスイッチング周波数が低減される。
方法のステップ130によると、出力電圧及び/又は出力電流は、前回の共振電力変換装置のターンオンから第2時間t2が経過するまでも、増大しつづける。
方法ステップ160によると、出力電圧及び/又は出力電流は、共振電力変換装置の前回のターンオフから第1時間t1が経過するまでも減少しつづける。
この方程式は、コンパレータ、ゲートドライバ、及びコンバータの電力段の伝播遅延tDがゼロであるという想定の下導かれ、方程式は、tD<<1/fMの時に良い近似である。高価な部品、例えば、コンパレータ、ゲートドライバ等が、フィードバックループの小さい伝播遅延を実現するためにVHF設計において使用されなくてはならない。
.
Claims (11)
- 所定の周波数帯で発振する電源回路と、
前記電源回路の出力電圧又は前記電源回路の出力電流の関数である検知電圧と基準電圧とを比較することにより、(i)前記電源回路が前記電源回路の入力から出力へエネルギーを変換する状態であるターンオンと(ii)前記電源回路が前記電源回路の入力から出力へエネルギーを変換しない状態であるターンオフとを切り替えるための制御出力を生成する制御回路と、
を備え、
前記電源回路が、前記制御出力に基づいて、前記検知電圧の絶対値が前記基準電圧の絶対値未満であり、且つ前記電源回路の前回のターンオフから第1期間が経過した時にターンオンされ、
前記電源回路が、前記制御出力に基づいて、前記検知電圧の前記絶対値が前記基準電圧の前記絶対値以上であり、且つ前記電源回路の前回のターンオンから第2期間が経過した時にターンオフされる、
共振電力変換装置。 - 前記電源回路は、ターンオンされている場合に発振する、
請求項1に係る共振電力変換装置。 - 前記出力電圧又は前記出力電流、あるいは前記出力電圧及び前記出力電流の両方に基づいて、前記検知電圧を出力する信号調整回路をさらに含む、
請求項1又は2に係る共振電力変換装置。 - 前記制御出力は、前記電源回路のスイッチの少なくとも一つのターンオフを制御する、
請求項1乃至3の何れか一項に係る共振電力変換装置。 - 前記制御出力は、前記電源回路の共振部分のインピーダンス又はループゲインを変えることにより、前記共振電力変換装置の入力から出力へのエネルギー移動の切断を制御する、
請求項1乃至4の何れか一項に係る共振電力変換装置。 - 前記制御出力は、前記電源回路の共振部分のインピーダンス又はループゲインを変えることにより、前記共振電力変換装置の入力から出力へのエネルギー移動の接続を制御する、
請求項1乃至4の何れか一項に係る共振電力変換装置。 - 前記電源回路は、セピック(SEPIC)コンバータである、
請求項1乃至6の何れか一項に係る共振電力変換装置。 - 前記セピック(SEPIC)コンバータは、自励発振型セピック(SEPIC)コンバータである、
請求項7に係る共振電力変換装置。 - 前記電源回路は、インターリーブセピック(SEPIC)コンバータである、
請求項7又は8に係る共振電力変換装置。 - 前記出力電圧を平均した平均出力電圧を出力するローパスフィルタをさらに備え、
前記制御回路は、前記平均出力電圧が増加する場合に、前記基準電圧を減少させる、
請求項1乃至9のいずれか一項に係る共振電力変換装置。 - (i)共振電力変換装置が当該共振電力変換装置の入力から出力へエネルギーを変換する状態であるターンオンと(ii)前記共振電力変換装置が前記共振電力変換装置の入力から出力へエネルギーを変換しない状態であるターンオフとを制御する制御方法であって、
前記共振電力変換装置の出力電圧又は前記共振電力変換装置の出力電流の関数である検知電圧を生成するステップと、
前記検知電圧の絶対値が基準電圧の絶対値未満であり、且つ前記共振電力変換装置の前回のターンオフから第1期間が経過した時に前記共振電力変換装置をターンオンするステップと、
前記検知電圧の前記絶対値が前記基準電圧の前記絶対値以上であり、且つ前記共振電力変換装置の前回のターンオンから第2期間が経過した時に前記共振電力変換装置をターンオフするステップと、を備える
制御方法。
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EP14156917.8 | 2014-02-27 | ||
EP14156917 | 2014-02-27 | ||
PCT/EP2015/053980 WO2015128398A1 (en) | 2014-02-27 | 2015-02-26 | Burst mode control |
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EP (1) | EP3111543B1 (ja) |
JP (1) | JP6767867B2 (ja) |
CN (1) | CN106063103B (ja) |
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US11398767B2 (en) * | 2017-12-06 | 2022-07-26 | Nxp B.V. | Power converter for delaying entering burst mode and method thereof |
EP3763029A4 (en) * | 2018-03-07 | 2021-11-10 | The Board of Trustees of the Leland Stanford Junior University | APPARATUS AND METHODS INVOLVING POWER CONVERSION BY MEANS OF MULTIPLE RECTIFIER CIRCUITS |
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JP5728433B2 (ja) * | 2012-06-11 | 2015-06-03 | 株式会社東芝 | Dc−dc変換回路 |
US9379616B2 (en) * | 2012-08-13 | 2016-06-28 | System General Corp. | Control circuit with deep burst mode for power converter |
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2015
- 2015-02-26 TW TW104106335A patent/TWI668949B/zh active
- 2015-02-26 EP EP15709123.2A patent/EP3111543B1/en active Active
- 2015-02-26 JP JP2016543173A patent/JP6767867B2/ja not_active Expired - Fee Related
- 2015-02-26 US US15/109,398 patent/US10418901B2/en active Active
- 2015-02-26 WO PCT/EP2015/053980 patent/WO2015128398A1/en active Application Filing
- 2015-02-26 CN CN201580009651.XA patent/CN106063103B/zh active Active
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CN106063103A (zh) | 2016-10-26 |
TWI668949B (zh) | 2019-08-11 |
TW201607225A (zh) | 2016-02-16 |
WO2015128398A1 (en) | 2015-09-03 |
US10418901B2 (en) | 2019-09-17 |
US20160359412A1 (en) | 2016-12-08 |
JP2017506868A (ja) | 2017-03-09 |
CN106063103B (zh) | 2019-07-26 |
EP3111543A1 (en) | 2017-01-04 |
EP3111543B1 (en) | 2020-09-30 |
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