JP2016178823A - 直流コンデンサの寿命判定手段を有するモータ駆動装置 - Google Patents
直流コンデンサの寿命判定手段を有するモータ駆動装置 Download PDFInfo
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- JP2016178823A JP2016178823A JP2015058513A JP2015058513A JP2016178823A JP 2016178823 A JP2016178823 A JP 2016178823A JP 2015058513 A JP2015058513 A JP 2015058513A JP 2015058513 A JP2015058513 A JP 2015058513A JP 2016178823 A JP2016178823 A JP 2016178823A
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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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/64—Testing of capacitors
-
- 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
-
- 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
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
-
- 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
- H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
-
- 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
-
- 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
Abstract
Description
2 順変換器
3 交流電源
4 逆変換器
5 直流コンデンサ
6 モータ
7 電磁接触器
11 電圧検出手段
12 電流検出手段
13 指令手段
14 電流積分手段
15 容量推定手段
16 寿命判定手段
17 割合設定手段
2 順変換器
3 交流電源
4 逆変換器
5 直流コンデンサ
6 モータ
7 電磁接触器
11 電圧検出手段
12 電流検出手段
13 指令手段
14 電流積分手段
15 容量推定手段
16 寿命判定手段
17 基準割合設定手段
18 アラーム信号出力手段
Claims (7)
- 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、互いに並列接続された少なくとも2つの直流コンデンサと、各前記直流コンデンサにそれぞれ並列接続され、前記直流リンクにおける直流電力をモータの駆動電力である交流電力に変換する少なくとも2つの逆変換器とを備えるモータ駆動装置であって、
各前記直流コンデンサごとの電圧を検出する電圧検出手段と、
前記逆変換器へ入力もしくは前記逆変換器から出力される電流を、各前記逆変換器ごとに検出する電流検出手段と、
各前記直流コンデンサが充電されかつ交流電源側から前記順変換器への直流電力の供給が遮断された後に、各前記逆変換器に対し、前記直流リンクにおける直流電力を交流電力に変換させる電力変換指令を出力する指令手段と、
前記指令手段による前記電力変換指令の出力中に前記電流検出手段が検出した各前記逆変換器ごとの電流を積分し、これらを各前記変換器ごとの電流積分値として出力する電流積分手段と、
各前記直流コンデンサごとの推定容量を、当該直流コンデンサに対応する前記逆変換器に対応する前記電流積分値と、前記順変換器への直流電力の供給が遮断された後であって前記指令手段による前記電力変換指令の出力前に前記電圧検出手段により検出された当該直流コンデンサの電圧と、に基づいて算出する容量推定手段と、
各前記直流コンデンサごとに、予め測定された未使用時の当該直流コンデンサの初期容量値と前記容量推定手段により算出された当該直流コンデンサの前記推定容量とに基づいて、当該直流コンデンサが寿命であるか否かを判定する寿命判定手段と、
を備えることを特徴とするモータ駆動装置。 - 前記寿命判定手段は、前記初期容量に対する前記推定容量の割合が、予め設定された基準割合以下の場合、前記直流コンデンサは寿命であると判定する請求項1に記載のモータ駆動装置。
- 前記寿命判定手段は、前記推定容量が、前記初期容量と予め設定された基準割合とを乗じて得られた値以下の場合、前記直流コンデンサは寿命であると判定する請求項1に記載のモータ駆動装置。
- 前記電流検出手段は、前記逆変換器から出力される電流を各前記逆変換器ごとに検出し、
前記指令手段が出力する前記電力変換指令は、前記直流リンクにおける直流電力を無効電力に変換する指令である請求項2または3に記載のモータ駆動装置。 - 前記基準割合を設定する基準割合設定手段をさらに備える請求項2または3に記載のモータ駆動装置。
- 前記直流コンデンサは寿命であると前記寿命判定手段が判定したとき、アラーム信号を出力するアラーム信号出力手段をさらに備える請求項2または3に記載のモータ駆動装置。
- 予め測定された未使用時の前記直流コンデンサの初期容量値を記憶した初期容量記憶手段をさらに備える請求項1〜6のいずれか一項に記載のモータ駆動装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2015058513A JP6227581B2 (ja) | 2015-03-20 | 2015-03-20 | 直流コンデンサの寿命判定手段を有するモータ駆動装置 |
CN201610136752.XA CN105991070B (zh) | 2015-03-20 | 2016-03-10 | 电动机驱动装置 |
DE102016104599.3A DE102016104599B4 (de) | 2015-03-20 | 2016-03-14 | Motorantriebsvorrichtung mit einer Einheit zur Bestimmung der Lebensdauer eines Gleichstromkondensators |
US15/071,476 US9618558B2 (en) | 2015-03-20 | 2016-03-16 | Motor driving apparatus including life determining unit of direct-current capacitor |
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JP2015058513A JP6227581B2 (ja) | 2015-03-20 | 2015-03-20 | 直流コンデンサの寿命判定手段を有するモータ駆動装置 |
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JP2016178823A true JP2016178823A (ja) | 2016-10-06 |
JP6227581B2 JP6227581B2 (ja) | 2017-11-08 |
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US (1) | US9618558B2 (ja) |
JP (1) | JP6227581B2 (ja) |
CN (1) | CN105991070B (ja) |
DE (1) | DE102016104599B4 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102017011598A1 (de) | 2016-12-21 | 2018-06-21 | Fanuc Corporation | Motorantriebsvorrichtung |
JP2018191446A (ja) * | 2017-05-09 | 2018-11-29 | 株式会社日立製作所 | 電力変換装置及び電力変換装置の診断方法 |
WO2022149208A1 (ja) * | 2021-01-06 | 2022-07-14 | 三菱電機株式会社 | 電力変換装置、モータ駆動装置及び冷凍サイクル適用機器 |
JP7347270B2 (ja) | 2020-03-04 | 2023-09-20 | 富士電機株式会社 | 電力変換装置 |
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US10985644B1 (en) | 2016-06-25 | 2021-04-20 | Active-Semi, Inc. | Optimized gate driver for low voltage power loss protection system |
US9705402B1 (en) | 2016-06-25 | 2017-07-11 | Active-Semi, Inc. | Power loss protection integrated circuit |
US10090675B1 (en) | 2016-06-25 | 2018-10-02 | Active-Semi, Inc. | Fast settlement of supplement converter for power loss protection system |
US10826480B1 (en) | 2016-07-01 | 2020-11-03 | Active-Semi, Inc. | Gate driver to decrease EMI with shorter dead-time |
DE112018005357T5 (de) * | 2017-11-14 | 2020-06-25 | Mitsubishi Electric Corporation | Leistungsumwandlungsvorrichtung |
DE102019117369A1 (de) * | 2019-06-27 | 2020-12-31 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Schaltung und Verfahren zur Überwachung eines Zwischenkreiskondensators |
CN113125873A (zh) * | 2019-12-31 | 2021-07-16 | 江苏和网源电气有限公司 | 一种主动式储能系统超级电容寿命测试装置及方法 |
US11789046B2 (en) | 2021-08-20 | 2023-10-17 | Stmicroelectronics S.R.L. | Measuring a change in voltage |
US11719761B2 (en) | 2021-08-20 | 2023-08-08 | Stmicroelectronics S.R.L. | Capacitor measurement |
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- 2015-03-20 JP JP2015058513A patent/JP6227581B2/ja active Active
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- 2016-03-10 CN CN201610136752.XA patent/CN105991070B/zh active Active
- 2016-03-14 DE DE102016104599.3A patent/DE102016104599B4/de active Active
- 2016-03-16 US US15/071,476 patent/US9618558B2/en active Active
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JPH0865810A (ja) * | 1994-08-24 | 1996-03-08 | Toshiba Corp | 電気車制御装置 |
JP2000152643A (ja) * | 1998-11-09 | 2000-05-30 | Hitachi Ltd | 電力変換装置 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102017011598A1 (de) | 2016-12-21 | 2018-06-21 | Fanuc Corporation | Motorantriebsvorrichtung |
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DE102017011598B4 (de) * | 2016-12-21 | 2021-07-08 | Fanuc Corporation | Motorantriebsvorrichtung und Bestimmung einer Abnahme der Kapazität eines Gleichspannungszwischenkreiskondensators der Motorantriebsvorrichtung |
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JP7347270B2 (ja) | 2020-03-04 | 2023-09-20 | 富士電機株式会社 | 電力変換装置 |
WO2022149208A1 (ja) * | 2021-01-06 | 2022-07-14 | 三菱電機株式会社 | 電力変換装置、モータ駆動装置及び冷凍サイクル適用機器 |
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Publication number | Publication date |
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CN105991070B (zh) | 2018-12-14 |
CN105991070A (zh) | 2016-10-05 |
JP6227581B2 (ja) | 2017-11-08 |
US20160274172A1 (en) | 2016-09-22 |
US9618558B2 (en) | 2017-04-11 |
DE102016104599A1 (de) | 2016-09-22 |
DE102016104599B4 (de) | 2018-08-16 |
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