JP6839816B2 - 共振型電力変換装置および異常判定方法 - Google Patents
共振型電力変換装置および異常判定方法 Download PDFInfo
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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
- H02M3/33569—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
- H02M3/33573—Full-bridge at primary 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
- H02M3/01—Resonant DC/DC 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
- 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
- H02M3/33571—Half-bridge at primary 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
- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
-
- 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
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/567—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for temperature compensation
-
- 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
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
- G05F1/573—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/327—Means for protecting converters other than automatic disconnection against abnormal temperatures
-
- 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
- H02M7/4815—Resonant 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
- 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
- H02M7/4826—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 operating from a resonant DC source, i.e. the DC input voltage varies periodically, e.g. resonant DC-link inverters
-
- 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)
- Inverter Devices (AREA)
Description
図1に示すように、電力変換装置100は、直流電源回路1、ブリッジ回路2、制御回路3、電流検出回路4、共振コンデンサ5、トランス6、整流回路7、および平滑コンデンサ8を有する。
以下では、電力変換装置100が正常に動作している場合の動作と、動作原理について説明する。図3は、制御回路3がブリッジ回路2を制御するために出力するゲート信号Vg1およびVg2と、ブリッジ回路2を流れる電流値との波形を示す図である。なお、ブリッジ回路2を流れる電流値とは、スイッチング素子Q1およびQ4を流れる電流と、スイッチング素子Q2およびQ3を流れる電流とを加算したものであり、上述したように電流検出回路4が検出する電流値である。
次に、電力変換装置100において異常が発生した場合の動作例について説明する。本発明の実施の形態において、異常とは、共振コンデンサ5の故障を想定している。具体的には、例えば複数個のコンデンサが並列に接続されて共振コンデンサ5を構成している場合に、そのうちの1個が故障してしまい、共振コンデンサ5の静電容量が低下してしまった状態である。
以上のことを踏まえて、本発明の実施の形態に係る電力変換装置100における、異常動作の検出処理について説明する。
1 直流電源回路
2 ブリッジ回路
Q1−Q4 スイッチング素子
D1−D4 寄生ダイオード
C1−C4 出力容量
3 制御回路
4 電流検出回路
5 共振コンデンサ
6 トランス
61 1次巻き線
62 2次巻き線
7 整流回路
8 平滑コンデンサ
Le 漏れインダクタンス
Lm 励磁インダクタンス
n1,n2 ノード
Claims (8)
- 直流電力が入力され、複数のスイッチング素子を有するブリッジ回路と、トランスと、少なくとも1つの前記スイッチング素子を流れる電流値を検出する電流検出回路と、制御回路と、を有する共振型電力変換装置であって、
前記制御回路は、スイッチング制御中の所定のタイミングにおける前記電流検出回路の検出値に基づいて、前記共振型電力変換装置に異常が発生しているか否かを判定し、
前記異常は、共振周波数の回路設計時からの所定周波数以上の変動である、
共振型電力変換装置。 - 前記異常は、共振周波数の回路設計時からの所定周波数以上の増大である、
請求項1に記載の共振型電力変換装置。 - 前記制御回路は、前記異常が発生していると判定した場合、前記異常が生じていることを示す信号を出力する、
請求項1または2に記載の共振型電力変換装置。 - 前記所定のタイミングは、前記制御回路が前記ブリッジ回路の前記スイッチング素子をターンオンする制御信号を出力するタイミングであって、
前記制御回路は、前記制御信号を出力するタイミングにおける前記電流検出回路の検出値がゼロより大きい場合に、前記共振型電力変換装置に前記異常が発生していると判定する、
請求項1から3のいずれか一項に記載の共振型電力変換装置。 - 前記所定のタイミングは、前記制御回路が前記ブリッジ回路の前記スイッチング素子をターンオフする制御信号を出力してから所定の微少時間が経過したタイミングであって、
前記制御回路は、前記制御信号を出力してから所定の微少時間が経過したタイミングにおける前記電流検出回路の検出値がゼロより大きい場合に、前記共振型電力変換装置に前記異常が発生していると判定する、
請求項1から3のいずれか一項に記載の共振型電力変換装置。 - 前記ブリッジ回路は、フルブリッジ回路である、
請求項1から5のいずれか一項に記載の共振型電力変換装置。 - 前記ブリッジ回路は、ハーフブリッジ回路である、
請求項1から5のいずれか一項に記載の共振型電力変換装置。 - 直流電力が入力され、複数のスイッチング素子を有するブリッジ回路と、トランスと、少なくとも1つの前記スイッチング素子を流れる電流値を検出する電流検出回路と、制御回路と、を有する共振型電力変換装置の異常判定方法であって、
前記制御回路は、スイッチング制御中の所定のタイミングにおける前記電流検出回路の検出値に基づいて、前記共振型電力変換装置に異常が発生しているか否かを判定し、
前記異常は、共振周波数の回路設計時からの所定周波数以上の変動である、
異常判定方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US16/085,074 US10530262B2 (en) | 2016-03-25 | 2017-02-14 | Resonance-type power conversion device and abnormality determining method |
CN201780018332.4A CN108781039B (zh) | 2016-03-25 | 2017-02-14 | 谐振型电力转换装置和异常判定方法 |
PCT/JP2017/005211 WO2017163666A1 (ja) | 2016-03-25 | 2017-02-14 | 共振型電力変換装置および異常判定方法 |
DE112017001544.8T DE112017001544T5 (de) | 2016-03-25 | 2017-02-14 | Leistungsumsetzungsvorrichtung des Resonanz-Typs und Anomaliebestimmungsverfahren |
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JP (1) | JP6839816B2 (ja) |
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JP7273661B2 (ja) * | 2019-09-02 | 2023-05-15 | 株式会社東芝 | 電気車用電源装置 |
TWI695573B (zh) | 2019-10-02 | 2020-06-01 | 群光電能科技股份有限公司 | 電源轉換裝置 |
CN114141471B (zh) * | 2021-12-08 | 2023-12-05 | 杭州电力设备制造有限公司 | 一种退磁***、方法、装置及介质 |
US20230396174A1 (en) * | 2022-06-03 | 2023-12-07 | Infineon Technologies Austria Ag | Voltage converter with switch control circuitry |
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JP2001161032A (ja) * | 1999-12-01 | 2001-06-12 | Canon Inc | 系統連系パワーコンディショナ及びそれを用いた発電システム |
JP2002142462A (ja) * | 2000-10-30 | 2002-05-17 | Canon Inc | 電力変換装置およびその盗難防止方法 |
JP3931627B2 (ja) * | 2001-11-01 | 2007-06-20 | 株式会社日立製作所 | 半導体スイッチング素子のゲート駆動装置 |
JP2004364493A (ja) | 2003-05-09 | 2004-12-24 | Canon Inc | 電力変換装置およびその制御方法、並びに、太陽光発電装置 |
US7848117B2 (en) * | 2007-01-22 | 2010-12-07 | Power Integrations, Inc. | Control arrangement for a resonant mode power converter |
JP4438833B2 (ja) * | 2007-07-04 | 2010-03-24 | トヨタ自動車株式会社 | 電力変換装置の異常検出装置および異常検出方法 |
EP2081288A1 (en) * | 2008-01-18 | 2009-07-22 | Power Integrations, Inc. | Control unit for a resonant power converter |
JP4806455B2 (ja) * | 2009-03-27 | 2011-11-02 | 株式会社日立メディアエレクトロニクス | スイッチング電源およびスイッチング方法 |
JP2010252443A (ja) * | 2009-04-13 | 2010-11-04 | Toshiba Corp | 電気車用電力供給装置 |
EP2651023B8 (en) * | 2010-12-07 | 2021-10-13 | Hitachi Astemo, Ltd. | Power converter |
JP2014217199A (ja) | 2013-04-26 | 2014-11-17 | 株式会社ノーリツ | 電力変換装置 |
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- 2017-02-14 DE DE112017001544.8T patent/DE112017001544T5/de active Pending
- 2017-02-14 CN CN201780018332.4A patent/CN108781039B/zh active Active
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US10530262B2 (en) | 2020-01-07 |
CN108781039A (zh) | 2018-11-09 |
US20190260298A1 (en) | 2019-08-22 |
DE112017001544T5 (de) | 2018-12-13 |
CN108781039B (zh) | 2020-11-06 |
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