JP6058213B1 - コンバータおよび電力変換装置 - Google Patents
コンバータおよび電力変換装置 Download PDFInfo
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- JP6058213B1 JP6058213B1 JP2016514214A JP2016514214A JP6058213B1 JP 6058213 B1 JP6058213 B1 JP 6058213B1 JP 2016514214 A JP2016514214 A JP 2016514214A JP 2016514214 A JP2016514214 A JP 2016514214A JP 6058213 B1 JP6058213 B1 JP 6058213B1
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- 238000001514 detection method Methods 0.000 claims abstract description 68
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of ac into dc
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/08—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in parallel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/003—Measuring mean values of current or voltage during a given time interval
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/10—Measuring sum, difference or ratio
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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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
- 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
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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
- 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
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Inverter Devices (AREA)
- Rectifiers (AREA)
Abstract
Description
図1は、実施の形態1にかかるコンバータ1の構成を示す図である。図2は、実施の形態1にかかるコンバータ1の動作の説明に供する図である。図3は、実施の形態1にかかるダイオードモジュール100の断面図である。
図4は、実施の形態2にかかるコンバータ5の構成を示す図である。図5は、実施の形態2にかかるコンバータの動作の説明に供する図である。コンバータ5は、12相整流用トランス2から供給される交流電圧を直流電圧に変換し、変換した直流電圧をインバータ3に供給する。インバータ3は、直流電圧を交流電圧に変換し、電動機4に供給する。実施の形態2では、12相整流用トランス2の一次側をΔ結線で構成しているが、Y結線で構成されてもよい。
Claims (3)
- 12相整流用トランスのΔ結線とY結線との2系統から供給される交流電圧を直流電圧に変換するコンバータ回路部と、
前記コンバータ回路部により出力された直流母線の電流を検出する電流検出器と、
前記電流検出器により検出したΔ結線から出力される電流とY結線から出力される電流との間に不平衡が生じていることを検出する不平衡検出部とを備え、
前記不平衡検出部は、
前記電流検出器により検出された検出値に基づいて直流電流を検出する直流電流検出部と、
前記直流電流のピーク値を検出するピーク値検出部と、
前記直流電流のボトム値を検出するボトム値検出部と、
前記ピーク値と前記ボトム値の差分を検出する差分検出部と、
前記直流電流のピーク値とボトム値の差分の閾値を設定する設定部と、
前記設定部により設定された閾値と、前記差分検出部により検出した差分とを比較する比較部と、
前記比較部により比較した結果、前記差分検出部により検出した差分が前記設定部により設定された閾値を超えている場合には、アラーム信号を出力する信号出力部とを備えることを特徴とするコンバータ。 - 前記不平衡検出部は、
前記電流検出器により検出された検出値に基づいて直流電流を検出する直流電流検出部と、
前記直流電流検出部により検出した直流電流のリップル周波数を算出するリップル周波数算出部と、
前記直流電流検出部により検出した直流電流の平均値を算出する平均値算出部と、
閾値を設定する設定部と、
リップル周波数算出部により算出した直流電流のリップル周波数が電源電圧周波数の12倍になっておらず、前記平均値算出部により算出された直流電流の平均値が前記設定部により設定されている閾値を超えている場合には、前記電流検出器により検出された検出値に基づく電流に不平衡が生じていることを検出する電流不平衡検出部と、
前記電流不平衡検出部により電流の不平衡が検出された場合には、アラーム信号を出力する信号出力部とを備える請求項1記載のコンバータ。 - 請求項1記載のコンバータと、
前記コンバータから出力されたアラーム信号が入力されるインバータとを備えることを特徴とする電力変換装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2015/057192 WO2016143100A1 (ja) | 2015-03-11 | 2015-03-11 | コンバータおよび電力変換装置 |
Publications (2)
Publication Number | Publication Date |
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JP6058213B1 true JP6058213B1 (ja) | 2017-01-11 |
JPWO2016143100A1 JPWO2016143100A1 (ja) | 2017-04-27 |
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JP2016514214A Active JP6058213B1 (ja) | 2015-03-11 | 2015-03-11 | コンバータおよび電力変換装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9641094B2 (ja) |
JP (1) | JP6058213B1 (ja) |
KR (1) | KR101698304B1 (ja) |
CN (1) | CN106165281B (ja) |
DE (1) | DE112015000404B4 (ja) |
TW (1) | TWI605679B (ja) |
WO (1) | WO2016143100A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109671249A (zh) * | 2018-11-30 | 2019-04-23 | 石狮市瑞力机械科技有限公司 | 一种具有温控自我保护且能够进行漏电检测的变频器 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5985126B1 (ja) * | 2015-02-25 | 2016-09-06 | 三菱電機株式会社 | コンバータ装置 |
US9893644B1 (en) * | 2016-11-15 | 2018-02-13 | International Business Machines Corporation | Electric power devices with automatically established input voltage connection configuration |
JP6921335B2 (ja) * | 2018-09-28 | 2021-08-18 | 三菱電機株式会社 | 直流電源装置、モータ駆動装置、送風機、圧縮機及び空気調和機 |
JP7366571B2 (ja) | 2019-04-02 | 2023-10-23 | 三菱重工サーマルシステムズ株式会社 | 寿命予測装置、空調システム、寿命予測方法及びプログラム |
JP7328132B2 (ja) * | 2019-12-03 | 2023-08-16 | ファナック株式会社 | Dcリンク電圧変動の原因を判定するモータ駆動装置 |
CN116935599B (zh) * | 2023-09-14 | 2024-01-23 | 厦门优迅高速芯片有限公司 | 一种性能对工艺变化不敏感的报解警电路 |
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JPH05300744A (ja) * | 1992-04-20 | 1993-11-12 | Hitachi Ltd | 電源装置 |
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JP2008295155A (ja) * | 2007-05-23 | 2008-12-04 | Shinko Electric Co Ltd | 12相整流回路 |
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2015
- 2015-03-11 DE DE112015000404.1T patent/DE112015000404B4/de active Active
- 2015-03-11 WO PCT/JP2015/057192 patent/WO2016143100A1/ja active Application Filing
- 2015-03-11 JP JP2016514214A patent/JP6058213B1/ja active Active
- 2015-03-11 CN CN201580009343.7A patent/CN106165281B/zh active Active
- 2015-03-11 US US15/114,464 patent/US9641094B2/en active Active
- 2015-03-11 KR KR1020167021983A patent/KR101698304B1/ko active IP Right Grant
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2016
- 2016-03-10 TW TW105107318A patent/TWI605679B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3585484A (en) * | 1970-01-06 | 1971-06-15 | D T E Imperial Corp | Axial ampere-turn balancing in multiple, segregated secondary winding transformers |
JPH05300744A (ja) * | 1992-04-20 | 1993-11-12 | Hitachi Ltd | 電源装置 |
JP2007252087A (ja) * | 2006-03-16 | 2007-09-27 | Hitachi Ltd | 12相ダイオード整流装置 |
JP2008295155A (ja) * | 2007-05-23 | 2008-12-04 | Shinko Electric Co Ltd | 12相整流回路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109671249A (zh) * | 2018-11-30 | 2019-04-23 | 石狮市瑞力机械科技有限公司 | 一种具有温控自我保护且能够进行漏电检测的变频器 |
Also Published As
Publication number | Publication date |
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US9641094B2 (en) | 2017-05-02 |
KR101698304B1 (ko) | 2017-01-19 |
CN106165281A (zh) | 2016-11-23 |
US20170005588A1 (en) | 2017-01-05 |
DE112015000404B4 (de) | 2020-01-02 |
DE112015000404T5 (de) | 2016-11-03 |
WO2016143100A1 (ja) | 2016-09-15 |
JPWO2016143100A1 (ja) | 2017-04-27 |
TWI605679B (zh) | 2017-11-11 |
KR20160122727A (ko) | 2016-10-24 |
CN106165281B (zh) | 2018-03-23 |
TW201644176A (zh) | 2016-12-16 |
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