JP6426783B2 - パワー素子の異常検知機能を備えたモータ駆動装置 - Google Patents
パワー素子の異常検知機能を備えたモータ駆動装置 Download PDFInfo
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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
- H02P27/08—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 with pulse width modulation
-
- 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
-
- 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
-
- 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
- H02M5/02—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 without intermediate conversion into dc
- H02M5/04—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 without intermediate conversion into dc by static converters
- H02M5/22—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/275—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 without intermediate conversion into dc 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
- H02M5/293—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 without intermediate conversion into dc 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
- 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
-
- 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
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
- H02P29/68—Controlling or determining the temperature of the motor or of the drive based on the temperature of a drive component or a semiconductor component
-
- 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
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric 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
- H02M1/32—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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
- H02P2201/03—AC-DC converter stage controlled to provide a defined DC link voltage
-
- 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
- H02P2203/00—Indexing scheme relating to controlling arrangements characterised by the means for detecting the position of the rotor
- H02P2203/07—Motor variable determination based on the ON-resistance of a power switch, i.e. the voltage across the switch is measured during the ON state of the switch and used to determine the current in the motor and to calculate the speed
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Description
2 モータ
3 交流電源
11 順変換器
12 逆変換器
13 コンデンサ
14 遮断回路
15 定電流制御部
16 異常検知部
17 モータ制御部
18 速度検出部
21 遮断指令部
22 電流検出部
23 ゲート電圧調整部
31 電圧検出部
32 記憶部
33 判定部
SWRU、SWRL、SWSU、SWSL、SWTU、SWTL パワー素子
Claims (4)
- 交流電源からの交流電力を直流電力に変換してDCリンクへ出力する順変換器と、
上アーム及び下アームに設けられた、印加されるゲート電圧の大きさに応じて導通可能な電流量が変わる半導体スイッチング素子である各パワー素子が、印加されたゲート電圧に応じてオンオフ制御されることで、前記DCリンクの直流電力をモータを駆動するための交流電力に変換して出力する逆変換器と、
前記DCリンクに設けられるコンデンサと、
交流電源と前記順変換器との間の電路を開閉する遮断回路と、
前記逆変換器内の前記パワー素子のうちの、導通可能となるようなゲート電圧が印加された検知対象パワー素子に、直流電力が蓄積された前記コンデンサを供給源とする定電流が流れるよう制御する定電流制御部と、
前記検知対象パワー素子に定電流が流れている期間中における前記検知対象パワー素子のコレクタ−エミッタ間の電圧の変化状態に基づいて、前記検知対象パワー素子の異常を検知する異常検知部と、
を備える、モータ駆動装置。 - 前記定電流制御部は、
前記遮断回路に対し、交流電源から前記順変換器への交流電力の供給の遮断を指令する遮断指令部と、
前記逆変換器からモータへ流れる電流を検出する電流検出部と、
前記遮断指令部の指令により前記遮断回路が交流電源から前記順変換器への交流電力の供給を遮断している期間中、直流電力が蓄積された前記コンデンサを供給源として前記検知対象パワー素子に前記定電流が流れるよう、前記電流検出部が検出した電流に基づいて、前記検知対象パワー素子が設けられた相及びアームとは異なる相及びアームに設けられたパワー素子に印加されるゲート電圧を調整するゲート電圧調整部と、
を有する、請求項1に記載のモータ駆動装置。 - 前記ゲート電圧調整部は、ゲート電圧が調整されるパワー素子を、前記検知対象パワー素子が設けられた相及びアームとは異なる相及びアームに設けられたパワー素子の中で、定期的に切り替える、請求項2に記載のモータ駆動装置。
- 前記異常検知部は、
前記パワー素子のコレクタ−エミッタ間の電圧を検出する電圧検出部と、
前記検知対象パワー素子に前記定電流が流れている期間中に前記電圧検出部が検出した前記検知対象パワー素子のコレクタ−エミッタ間の電圧の変化状態を記憶する記憶部と、
前記記憶部に記憶された、前記電圧検出部が検出した前記検知対象パワー素子のコレクタ−エミッタ間の電圧の変化状態と、当該電圧の変化状態が検出された期間よりも以前である前記定電流が流れている期間中に前記電圧検出部が検出した前記検知対象パワー素子のコレクタ−エミッタ間の電圧の変化状態との相違量が、所定の閾値を超えた場合、前記検知対象パワー素子に異常が発生したと判定する判定部と、
を有する、請求項1〜3のいずれか一項に記載のモータ駆動装置。
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JP2017049022A JP6426783B2 (ja) | 2017-03-14 | 2017-03-14 | パワー素子の異常検知機能を備えたモータ駆動装置 |
US15/908,860 US10326380B2 (en) | 2017-03-14 | 2018-03-01 | Motor drive apparatus with function to detect abnormality in power device |
DE102018001826.2A DE102018001826B4 (de) | 2017-03-14 | 2018-03-07 | Motorantriebsvorrichtung mit Funktion zum Detektieren einer Störung in einem Leistungsglied |
CN201810208628.9A CN108574449B (zh) | 2017-03-14 | 2018-03-14 | 具有功率元件的异常检查功能的电动机驱动装置 |
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JP2017049022A JP6426783B2 (ja) | 2017-03-14 | 2017-03-14 | パワー素子の異常検知機能を備えたモータ駆動装置 |
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JP6426783B2 true JP6426783B2 (ja) | 2018-11-21 |
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JP (1) | JP6426783B2 (ja) |
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DE (1) | DE102018001826B4 (ja) |
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JP6420399B1 (ja) * | 2017-04-07 | 2018-11-07 | ファナック株式会社 | パワー素子の故障検出機能を備えたコンバータ装置及びパワー素子の故障検出方法 |
JP7051008B2 (ja) | 2019-05-29 | 2022-04-08 | 三菱電機株式会社 | 並列駆動装置及び電力変換装置 |
CN112050782B (zh) * | 2020-08-31 | 2021-11-30 | 浙江大学 | 一种基于功率的工业机械臂异常运动在线检测方法 |
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- 2018-03-01 US US15/908,860 patent/US10326380B2/en active Active
- 2018-03-07 DE DE102018001826.2A patent/DE102018001826B4/de active Active
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US10326380B2 (en) | 2019-06-18 |
JP2018153042A (ja) | 2018-09-27 |
CN108574449B (zh) | 2020-03-31 |
DE102018001826B4 (de) | 2020-10-29 |
DE102018001826A1 (de) | 2018-09-20 |
US20180269804A1 (en) | 2018-09-20 |
CN108574449A (zh) | 2018-09-25 |
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