JP2016208773A - 平滑コンデンサの寿命予測手段を有するモータ制御装置 - Google Patents
平滑コンデンサの寿命予測手段を有するモータ制御装置 Download PDFInfo
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- JP2016208773A JP2016208773A JP2015090832A JP2015090832A JP2016208773A JP 2016208773 A JP2016208773 A JP 2016208773A JP 2015090832 A JP2015090832 A JP 2015090832A JP 2015090832 A JP2015090832 A JP 2015090832A JP 2016208773 A JP2016208773 A JP 2016208773A
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- smoothing capacitor
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- motor control
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- 239000003990 capacitor Substances 0.000 title claims abstract description 185
- 238000009499 grossing Methods 0.000 title claims abstract description 145
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 238000004364 calculation method Methods 0.000 claims abstract description 16
- 230000006866 deterioration Effects 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 13
- 230000001172 regenerating effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 abstract description 9
- 230000015556 catabolic process Effects 0.000 abstract 3
- 238000006731 degradation reaction Methods 0.000 abstract 3
- 238000001514 detection method Methods 0.000 description 30
- 230000007423 decrease Effects 0.000 description 10
- 238000007599 discharging Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000012886 linear function Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- 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
- H02M5/4585—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 having a rectifier with controlled elements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
Description
2 モータ
3 商用三相交流電源
11 順変換器
12 逆変換器
13 平滑コンデンサ
14 コンデンサ容量測定手段
15 データ記録手段
16 劣化特性算出手段
17 寿命予測手段
31 直流電圧検出手段
32 直流電流検出手段
33 交流電流検出手段
34 交流電圧検出手段
Claims (5)
- 交流電源側から供給された交流電力を直流電力に変換する順変換器と、
前記順変換器の直流側である直流リンクに設けられる平滑コンデンサと、
前記直流リンクにおける直流電力とモータの駆動電力もしくは回生電力である交流電力とを相互電力変換する逆変換器と、
前記平滑コンデンサの容量を測定するコンデンサ容量測定手段と、
前記コンデンサ容量測定手段により測定された前記平滑コンデンサの容量の測定値と、当該測定が行われたときの日付または日付および時刻の両方と、からなるデータを複数記録するデータ記録手段と、
前記データ記録手段に記録された複数のデータに基づいて、経過時間に対する前記平滑コンデンサの容量の変化を示す劣化特性線を算出する劣化特性算出手段と、
前記劣化特性算出手段により算出された劣化特性線に基づいて、前記平滑コンデンサの寿命が到来する時期を予測する寿命予測手段と、
を備えることを特徴とするモータ制御装置。 - 前記寿命予測手段は、前記劣化特性線が所定の劣化判定レベル以下になるときの日付または日付および時刻の両方を算出し、当該日付または日付および時刻の両方を前記平滑コンデンサの寿命が到来する時期として確定する請求項1に記載のモータ制御装置。
- 前記劣化特性算出手段は、前記データ記録手段に記録された複数のデータに基づいて、前記劣化特性線を、nを自然数としたときのn次関数式として算出する請求項1または2に記載のモータ制御装置。
- 前記劣化特性算出手段は、前記データ記録手段に記録された複数のデータに基づき最小二乗法により前記劣化特性線を算出する請求項3に記載のモータ制御装置。
- 前記コンデンサ容量測定手段は、前記平滑コンデンサに印加される直流電圧と、前記順変換器に入力される電流もしくは前記順変換器から出力される電流と、に基づいて、前記平滑コンデンサの容量を測定する請求項1〜4のいずれか一項に記載のモータ制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2015090832A JP6262686B2 (ja) | 2015-04-27 | 2015-04-27 | 平滑コンデンサの寿命予測手段を有するモータ制御装置 |
US15/078,078 US9812947B2 (en) | 2015-04-27 | 2016-03-23 | Motor control device having life prediction unit of smoothing capacitor |
CN201610196382.9A CN106100503B (zh) | 2015-04-27 | 2016-03-31 | 电动机控制装置 |
DE102016004774.7A DE102016004774B4 (de) | 2015-04-27 | 2016-04-20 | Motorsteuervorrichtung mit Vorhersage der Lebensdauer eines Glättungskondensators |
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JP2015090832A JP6262686B2 (ja) | 2015-04-27 | 2015-04-27 | 平滑コンデンサの寿命予測手段を有するモータ制御装置 |
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JP2016208773A true JP2016208773A (ja) | 2016-12-08 |
JP6262686B2 JP6262686B2 (ja) | 2018-01-17 |
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Country Status (4)
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US (1) | US9812947B2 (ja) |
JP (1) | JP6262686B2 (ja) |
CN (1) | CN106100503B (ja) |
DE (1) | DE102016004774B4 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6431132B1 (ja) * | 2017-05-30 | 2018-11-28 | ファナック株式会社 | 漏れ電流の大きい逆変換器を検知するモータ駆動装置 |
US11105857B2 (en) * | 2017-04-14 | 2021-08-31 | Hewlett-Packard Development Company, L.P. | Prediction of end-of-life of a direct current (DC) motor |
JP2021152502A (ja) * | 2020-03-24 | 2021-09-30 | 株式会社日立国際電気 | 試験装置 |
US11424696B2 (en) | 2019-10-30 | 2022-08-23 | Fanuc Corporation | Motor drive device |
WO2022176193A1 (ja) * | 2021-02-22 | 2022-08-25 | 三菱電機株式会社 | 電解コンデンサ寿命判定装置およびモータ駆動装置 |
Families Citing this family (10)
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JP6438453B2 (ja) | 2016-12-21 | 2018-12-12 | ファナック株式会社 | モータ駆動装置 |
JP6606123B2 (ja) * | 2017-05-30 | 2019-11-13 | ファナック株式会社 | 漏れ電流の発生を検知するモータ駆動装置 |
US10518662B2 (en) * | 2017-06-22 | 2019-12-31 | Thermo King Corporation | Method and system for power management using a power converter in transport |
WO2019098004A1 (ja) * | 2017-11-14 | 2019-05-23 | 三菱電機株式会社 | 電力変換装置 |
DE102017130882A1 (de) * | 2017-12-21 | 2019-06-27 | Sma Solar Technology Ag | Wechselrichter und Betriebsverfahren für einen Wechselrichter |
JP7013860B2 (ja) * | 2017-12-27 | 2022-02-01 | 株式会社デンソー | モータ駆動装置 |
DE102019117369A1 (de) | 2019-06-27 | 2020-12-31 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Schaltung und Verfahren zur Überwachung eines Zwischenkreiskondensators |
CN111175594B (zh) * | 2019-10-31 | 2020-11-24 | 北京交通大学 | 全控交直交变流系统直流双支撑电容剩余寿命监测方法 |
US11619675B2 (en) | 2020-01-27 | 2023-04-04 | Goodrich Corporation | On-board capacitor health monitoring systems and methods |
JPWO2023058127A1 (ja) * | 2021-10-05 | 2023-04-13 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11105857B2 (en) * | 2017-04-14 | 2021-08-31 | Hewlett-Packard Development Company, L.P. | Prediction of end-of-life of a direct current (DC) motor |
JP6431132B1 (ja) * | 2017-05-30 | 2018-11-28 | ファナック株式会社 | 漏れ電流の大きい逆変換器を検知するモータ駆動装置 |
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WO2022176193A1 (ja) * | 2021-02-22 | 2022-08-25 | 三菱電機株式会社 | 電解コンデンサ寿命判定装置およびモータ駆動装置 |
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Publication number | Publication date |
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DE102016004774A1 (de) | 2016-10-27 |
US9812947B2 (en) | 2017-11-07 |
DE102016004774B4 (de) | 2020-02-20 |
CN106100503B (zh) | 2019-04-12 |
CN106100503A (zh) | 2016-11-09 |
US20160315575A1 (en) | 2016-10-27 |
JP6262686B2 (ja) | 2018-01-17 |
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