JP6367738B2 - 電力変換装置 - Google Patents
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- JP6367738B2 JP6367738B2 JP2015038181A JP2015038181A JP6367738B2 JP 6367738 B2 JP6367738 B2 JP 6367738B2 JP 2015038181 A JP2015038181 A JP 2015038181A JP 2015038181 A JP2015038181 A JP 2015038181A JP 6367738 B2 JP6367738 B2 JP 6367738B2
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- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
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- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
- G05F1/67—Regulating electric power to the maximum power available from a generator, e.g. from solar cell
-
- H02J3/383—
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4807—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode having a high frequency intermediate AC stage
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/487—Neutral point clamped inverters
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- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Dc-Dc Converters (AREA)
- Control Of Electrical Variables (AREA)
- Inverter Devices (AREA)
Description
Claims (10)
- 電源からの直流電力の電圧を変化させるLLC共振型のDC/DCコンバータと、
前記DC/DCコンバータからの直流電力を交流電力に変換するインバータと、
前記DC/DCコンバータを制御するコンバータ制御器と、
前記インバータを制御するインバータ制御器と、
を備え、
前記DC/DCコンバータの入力電圧が予め設定された第一電圧値より低い場合、前記コンバータ制御器は、第一電圧維持制御として、前記入力電圧が増大するほど前記DC/DCコンバータのスイッチングの動作周波数を増大させることにより、前記DC/DCコンバータの出力電圧を、予め設定された第一電圧範囲内に保ち、
前記第一電圧値より高い第二電圧値に対し、前記入力電圧が前記第二電圧値より高い場合、前記コンバータ制御器は、第二電圧維持制御として、前記入力電圧が増大するほど前記動作周波数を増大させることにより、前記出力電圧を、前記第一電圧範囲より高い第二電圧範囲内に保ち、
前記入力電圧が、前記第一電圧値以上であり且つ前記第二電圧値以下である場合、前記コンバータ制御器は、第一周波数維持制御として、前記動作周波数を、予め設定された第一周波数範囲内に保つことにより、前記入力電圧が増大するほど、前記出力電圧を増大させ、
前記コンバータ制御器は、前記第一周波数維持制御において、前記入力電圧が増大するほど、前記動作周波数を増大させ、
前記入力電圧の変化に対する前記動作周波数の変化を示す変化率について、前記第一周波数維持制御における変化率は、前記第一電圧維持制御及び前記第二電圧維持制御における変化率より小さい、
電力変換装置。 - 前記インバータは、2レベルインバータである、
請求項1に記載の電力変換装置。 - 前記コンバータ制御器は、前記第一電圧値より高い第三電圧値と、前記第三電圧値より高く且つ前記第二電圧値より低い第四電圧値を用い、前記入力電圧が、前記第三電圧値より高く且つ前記第四電圧値より低い場合、第三電圧維持制御として、前記入力電圧が増大するほど、前記動作周波数を増大させることにより、前記出力電圧を、前記第一電圧範囲より高く且つ前記第二電圧範囲より低い第三電圧範囲内に保つ、
請求項1に記載の電力変換装置。 - 前記入力電圧が、前記第一電圧値以上であり且つ前記第三電圧値以下である場合、前記コンバータ制御器は、第二周波数維持制御として、前記動作周波数を、予め設定された第二周波数範囲内に保ち、
前記入力電圧が、前記第四電圧値以上であり且つ前記第二電圧値以下である場合、前記コンバータ制御器は、第三周波数維持制御として、前記動作周波数を、前記第二周波数範囲より高い第三周波数範囲内に保つ、
請求項3に記載の電力変換装置。 - 前記コンバータ制御器は、前記第二周波数維持制御及び前記第三周波数維持制御において、前記入力電圧が増大するほど、前記動作周波数を増大させ、
前記入力電圧の変化に対する前記動作周波数の変化を示す変化率について、前記第二周波数維持制御及び前記第三周波数維持制御における変化率は、前記第一電圧維持制御と前記第二電圧維持制御と前記第三電圧維持制御とにおける変化率より小さい、
請求項4に記載の電力変換装置。 - 前記インバータは、3レベルインバータである、
請求項5に記載の電力変換装置。 - 前記インバータ制御器は、前記第三電圧維持制御中に、前記インバータの3レベル動作と2レベル動作とを切り替える、
請求項6に記載の電力変換装置。 - 前記コンバータ制御器は、前記DC/DCコンバータの駆動信号のデューティ比を、予め設定されたデューティ比範囲内に保つ、
請求項1に記載の電力変換装置。 - 前記コンバータ制御器は、前記第二電圧維持制御において、OVPにより前記DC/DCコンバータの出力を停止させる、
請求項1に記載の電力変換装置。 - 前記電源は、太陽光発電装置であり、
前記コンバータ制御器は、前記DC/DCコンバータに対してMPPTを行い、
前記第一電圧値は、前記太陽光発電装置の最大電力点電圧の下限値以下であり、
前記第二電圧値は、前記最大電力点電圧の上限値以上である、
請求項1に記載の電力変換装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2015038181A JP6367738B2 (ja) | 2015-02-27 | 2015-02-27 | 電力変換装置 |
CN201610083977.3A CN105932879B (zh) | 2015-02-27 | 2016-02-06 | 电力转换装置 |
EP16154700.5A EP3062433B1 (en) | 2015-02-27 | 2016-02-08 | Power conversion apparatus |
US15/052,274 US9887638B2 (en) | 2015-02-27 | 2016-02-24 | Power conversion apparatus with frequency operation change based on input voltage |
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JP2015038181A JP6367738B2 (ja) | 2015-02-27 | 2015-02-27 | 電力変換装置 |
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JP2016163386A JP2016163386A (ja) | 2016-09-05 |
JP6367738B2 true JP6367738B2 (ja) | 2018-08-01 |
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EP (1) | EP3062433B1 (ja) |
JP (1) | JP6367738B2 (ja) |
CN (1) | CN105932879B (ja) |
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JP6301039B1 (ja) * | 2017-02-07 | 2018-03-28 | 三菱電機株式会社 | 電力変換装置 |
JP6949618B2 (ja) * | 2017-08-15 | 2021-10-13 | キヤノン株式会社 | 電源装置及び画像形成装置 |
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WO2015054157A1 (en) * | 2013-10-07 | 2015-04-16 | Garrity Power Services, Llc | Smart grid power converter |
KR102136564B1 (ko) * | 2013-10-22 | 2020-07-23 | 온세미컨덕터코리아 주식회사 | 전원 공급 장치 및 그 구동 방법 |
CN105099211B (zh) * | 2014-05-13 | 2018-04-20 | 台达电子企业管理(上海)有限公司 | 直流对直流变换装置及其控制方法 |
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