JP7471948B2 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- JP7471948B2 JP7471948B2 JP2020131343A JP2020131343A JP7471948B2 JP 7471948 B2 JP7471948 B2 JP 7471948B2 JP 2020131343 A JP2020131343 A JP 2020131343A JP 2020131343 A JP2020131343 A JP 2020131343A JP 7471948 B2 JP7471948 B2 JP 7471948B2
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4241—Arrangements for improving power factor of AC input using a resonant 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
-
- 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
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
- H02M1/0083—Converters characterised by their input or output configuration
- H02M1/0085—Partially controlled bridges
-
- 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4233—Arrangements for improving power factor of AC input using a bridge converter comprising active switches
-
- 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
- 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
- H02M3/33569—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 having several active switching elements
-
- 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
- H02M3/33569—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 having several active switching elements
- H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
-
- 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
- H02M3/33569—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 having several active switching elements
- H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
-
- 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)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Description
図1は、一実施形態に係る電力変換装置1の構成例を示す図である。電力変換装置1は、トーテムポール型力率改善回路と、絶縁コンバータとを備える。トーテムポール型力率改善回路を備える電力変換装置1は、入力電源としての交流電源ACに接続される。トーテムポール型力率改善回路は、交流電源AC(例えば100V)の交流電圧を高圧(例えば400V)の直流電圧に変換する。絶縁コンバータは、トーテムポール型力率改善回路からの直流電圧に対し高周波でスイッチングし、直流低圧(例えば24V程度)に変換する、いわゆるDC-DCコンバータである。電力変換装置1は、絶縁コンバータにより変換した直流電力を負荷回路2に出力することにより、負荷回路2が動作する。
トーテムポールPFC12は、上記したように、制御回路16からのゲート信号G1及びゲート信号G2に基づいて動作する。例えば、トーテムポールPFC12は、図2に示される4つの状態を切り替えながら動作する。
図3は、制御回路16の構成の例について説明する為の説明図である。
制御回路16は、基準電圧変換回路21、PFC制御回路22、第1の絶縁ドライバ23、及び第2の絶縁ドライバ24を備える。
Sout = f(Sin1, Sin2)
{
Sout = Sin1 - Sin2;
}
また、乗算器36は、入力される2つの信号をそれぞれAD変換などを用いてディジタル信号に変換し、ディジタル値で乗算を行う構成であってもよい。乗算器36は、例えば以下のようなコードにより実現される。
MUL = f(Sin1, Sin2)
{
MUL = Sin1 * Sin2;
}
上記したように、プロセッサとプログラムとの組み合わせによって実現する場合は、入力される信号をAD変換などを用いてディジタル信号に変換し、ディジタル値に基づいて演算を行う。さらに、後段の回路がアナログ回路である場合、DA変換などを用いてディジタル信号をアナログ信号に変換して出力してもよい。
なお、以下に本願の出願当初の特許請求の範囲の記載を付記する。
[C1]
交流電源の第1の端子に接続されたコイルと、第1の電流検出器を介して前記コイルにソース端子が接続された第1の半波スイッチと、第2の電流検出器を介して前記コイルにドレイン端子が接続された第2の半波スイッチと、前記第1の半波スイッチのドレイン端子にカソードが接続され、前記交流電源の第2の端子にアノードが接続された第1のダイオードと、前記第2の半波スイッチのソース端子にアノードが接続され、前記交流電源の第2の端子にカソードが接続された第2のダイオードと、前記第1のダイオードのカソードと、前記第2のダイオードのアノードとの間に接続された平滑キャパシタと、を備えるトーテムポール型力率改善回路と、
前記第1の電流検出器の直流電圧の検出結果と、前記第2の電流検出器の直流電圧の検出結果との合算値に基づいて、前記第1の半波スイッチ及び前記第2の半波スイッチをオンオフするパルス幅制御を行う制御回路と、
を具備する電力変換装置。
[C2]
前記制御回路は、前記第2の半波スイッチのドレイン端子と前記第2の電流検出器との接続点の電圧であるGND電圧を基準に、前記第1の電流検出器の直流電圧の検出結果及び前記第2の電流検出器の直流電圧の検出結果を取得する請求項1に記載の電力変換装置。
[C3]
前記制御回路は、前記合算値から、前記GND電圧を基準とした正側の値を抽出信号として抽出し、前記抽出信号に基づいて、前記第1の半波スイッチ及び前記第2の半波スイッチをオンオフするパルス幅制御を行う請求項2に記載の電力変換装置。
[C4]
前記制御回路は、前記抽出信号の値が無い場合、過去の前記抽出信号の値に基づく補間処理により補間信号を算出し、前記補間信号に基づいて、第1の半波スイッチS1及び第2の半波スイッチS2をオンオフするパルス幅制御を行う請求項3に記載の電力変換装置。
[C5]
前記交流電源から供給される交流電圧の極性を検出する極性検出回路を具備し、
前記制御回路は、
前記交流電源の第1の端子が正電位であり且つ前記第2の半波スイッチがオンである間、または、前記交流電源の第2の端子が正電位であり且つ前記第1の半波スイッチがオンである間、前記合算値から前記抽出信号を抽出し、
前記交流電源の第1の端子が正電位であり且つ前記第2の半波スイッチをオフしている間、前記第1の半波スイッチをオンし、
前記交流電源の第2の端子が正電位であり且つ前記第1の半波スイッチをオフしている間、前記第2の半波スイッチをオンする請求項3または4に記載の電力変換装置。
[C6]
前記制御回路は、前記GND電圧を基準とした前記合算値の正負に基づいて、前記合算値の絶対値を算出し、前記絶対値に基づいて、前記第1の半波スイッチ及び前記第2の半波スイッチをオンオフするパルス幅制御を行う請求項2に記載の電力変換装置。
[C7]
前記制御回路は、
前記平滑キャパシタの両端電圧を、前記第2の半波スイッチのドレイン端子と前記第2の電流検出器との接続点の電圧である前記GND電圧を基準とした電圧に変換し、
変換された電圧に基づいて、前記パルス幅制御を行う請求項2に記載の電力変換装置。
Claims (6)
- 交流電源の第1の端子に接続されたコイルと、第1の電流検出器を介して前記コイルにソース端子が接続された第1の半波スイッチと、第2の電流検出器を介して前記コイルにドレイン端子が接続された第2の半波スイッチと、前記第1の半波スイッチのドレイン端子にカソードが接続され、前記交流電源の第2の端子にアノードが接続された第1のダイオードと、前記第2の半波スイッチのソース端子にアノードが接続され、前記交流電源の第2の端子にカソードが接続された第2のダイオードと、前記第1のダイオードのカソードと、前記第2のダイオードのアノードとの間に接続された平滑キャパシタと、を備えるトーテムポール型力率改善回路と、
前記第1の電流検出器の直流電圧の検出結果と、前記第2の電流検出器の直流電圧の検出結果との合算値に基づいて、前記第1の半波スイッチ及び前記第2の半波スイッチをオンオフするパルス幅制御を行う制御回路と、
を具備し、
前記制御回路は、前記第2の半波スイッチのドレイン端子と前記第2の電流検出器との接続点の電圧であるGND電圧を基準に、前記第1の電流検出器の直流電圧の検出結果及び前記第2の電流検出器の直流電圧の検出結果を取得する、
電力変換装置。 - 前記制御回路は、前記合算値から、前記GND電圧を基準とした正側の値を抽出信号として抽出し、前記抽出信号に基づいて、前記第1の半波スイッチ及び前記第2の半波スイッチをオンオフするパルス幅制御を行う請求項1に記載の電力変換装置。
- 前記制御回路は、前記抽出信号の値が無い場合、過去の前記抽出信号の値に基づく補間処理により補間信号を算出し、前記補間信号に基づいて、前記第1の半波スイッチS1及び前記第2の半波スイッチS2をオンオフするパルス幅制御を行う請求項2に記載の電力変換装置。
- 前記交流電源から供給される交流電圧の極性を検出する極性検出回路を具備し、
前記制御回路は、
前記交流電源の第1の端子が正電位であり且つ前記第2の半波スイッチがオンである間、または、前記交流電源の第2の端子が正電位であり且つ前記第1の半波スイッチがオンである間、前記合算値から前記抽出信号を抽出し、
前記交流電源の第1の端子が正電位であり且つ前記第2の半波スイッチをオフしている間、前記第1の半波スイッチをオンし、
前記交流電源の第2の端子が正電位であり且つ前記第1の半波スイッチをオフしている間、前記第2の半波スイッチをオンする請求項2または3に記載の電力変換装置。 - 前記制御回路は、前記GND電圧を基準とした前記合算値の正負に基づいて、前記合算値の絶対値を算出し、前記絶対値に基づいて、前記第1の半波スイッチ及び前記第2の半波スイッチをオンオフするパルス幅制御を行う請求項1に記載の電力変換装置。
- 前記制御回路は、
前記平滑キャパシタの両端電圧を、前記第2の半波スイッチのドレイン端子と前記第2の電流検出器との接続点の電圧である前記GND電圧を基準とした電圧に変換し、
変換された電圧に基づいて、前記パルス幅制御を行う請求項1に記載の電力変換装置。
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CN202110442441.7A CN114070034A (zh) | 2020-08-03 | 2021-04-23 | 电力转换装置 |
EP21173415.7A EP3952088A1 (en) | 2020-08-03 | 2021-05-11 | Power converting device |
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