JP2021129399A5 - - Google Patents
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- JP2021129399A5 JP2021129399A5 JP2020022526A JP2020022526A JP2021129399A5 JP 2021129399 A5 JP2021129399 A5 JP 2021129399A5 JP 2020022526 A JP2020022526 A JP 2020022526A JP 2020022526 A JP2020022526 A JP 2020022526A JP 2021129399 A5 JP2021129399 A5 JP 2021129399A5
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- power supply
- abnormality
- switch
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- 230000005856 abnormality Effects 0.000 claims 28
- 238000004804 winding Methods 0.000 claims 5
- 230000002159 abnormal effect Effects 0.000 claims 4
- 238000010248 power generation Methods 0.000 claims 4
Claims (9)
多相の回転電機（１０）と、
前記回転電機の各相の巻線（１１）及び前記第１電源に電気的に接続され、上下アームのスイッチ（ＳＷＨ，ＳＷＬ）を有する電力変換器（１５）と、を備えるシステムに適用される電力変換器の制御回路（５０）において、
前記システムには、前記制御回路の電力供給源となる第２電源（３１）及び第３電源（６３）が備えられ、
前記システムに異常が発生しているか否かを判定する異常判定部と、
前記異常判定部により異常が発生したと判定された場合、前記第２電源及び前記第３電源の少なくとも一方で生成された電力を用いて、上下アームのうちいずれか一方のアームにおける前記スイッチであるオン側スイッチをオン状態に駆動制御し、他方のアームにおける前記スイッチであるオフ側スイッチをオフ状態に駆動制御する短絡制御を行う異常時制御部と、
前記第２電源及び前記第３電源を電力供給源とし、上アームの前記スイッチの駆動電源となる上アーム駆動電源（９０）と、
前記第２電源及び前記第３電源を電力供給源とし、下アームの前記スイッチの駆動電源となる下アーム駆動電源（９１）と、を備える電力変換器の制御回路。 First power supply (30) and
Multi-phase rotary electric machine (10) and
It is applied to a system including a winding (11) of each phase of the rotary electric machine and a power converter (15) electrically connected to the first power source and having switches (SWH, SWL) for upper and lower arms. In the control circuit (50) of the power converter
The system includes a second power source (31) and a third power source (63), which are power supply sources for the control circuit.
An abnormality determination unit that determines whether or not an abnormality has occurred in the system,
When it is determined by the abnormality determination unit that an abnormality has occurred, it is the switch in one of the upper and lower arms using the power generated by at least one of the second power supply and the third power supply. An abnormal time control unit that performs short-circuit control that drives and controls the on-side switch to the on-state and drives and controls the off-side switch, which is the switch on the other arm, to the off-side switch .
An upper arm drive power supply (90) that uses the second power source and the third power source as power supply sources and serves as a drive power source for the switch of the upper arm.
A control circuit of a power converter including a lower arm drive power source (91) which uses the second power source and the third power source as a power supply source and serves as a drive power source for the switch of the lower arm .
前記第２電源及び前記第３電源が前記第１状態制御部及び前記第２状態制御部の電力供給源とされている請求項１～３のいずれか１項に記載の電力変換器の制御回路。 A first state control unit (72,76) and a second state control unit (73,77) are provided as the abnormality control unit.
The control circuit for a power converter according to any one of claims 1 to 3 , wherein the second power supply and the third power supply are power supply sources for the first state control unit and the second state control unit. ..
多相の回転電機（１０）と、
前記回転電機の各相の巻線（１１）及び前記第１電源に電気的に接続され、上下アームのスイッチ（ＳＷＨ，ＳＷＬ）を有する電力変換器（１５）と、を備えるシステムに適用される電力変換器の制御回路（５０）において、
前記システムには、前記制御回路の電力供給源となる第２電源（３１）及び第３電源（６３）が備えられ、
前記システムに異常が発生しているか否かを判定する異常判定部と、
前記異常判定部により異常が発生したと判定された場合、前記第２電源及び前記第３電源の少なくとも一方で生成された電力を用いて、上下アームのうちいずれか一方のアームにおける前記スイッチであるオン側スイッチをオン状態に駆動制御し、他方のアームにおける前記スイッチであるオフ側スイッチをオフ状態に駆動制御する短絡制御を行う異常時制御部と、を備え、
前記異常時制御部としての第１状態制御部（７２，７６）及び第２状態制御部（７３，７７）を備え、
前記第２電源及び前記第３電源が前記第１状態制御部及び前記第２状態制御部の電力供給源とされ、
前記第２電源及び前記第３電源を電力供給源として電力を生成する第１電力生成部（６５）と、
前記第２電源及び前記第３電源を電力供給源として電力を生成する第２電力生成部（６７）と、を備え、
前記第１状態制御部は、前記第１電力生成部により生成された電力が供給されることにより動作可能に構成され、
前記第２状態制御部は、前記第２電力生成部により生成された電力が供給されることにより動作可能に構成されている電力変換器の制御回路。 First power supply (30) and
Multi-phase rotary electric machine (10) and
It is applied to a system including a winding (11) of each phase of the rotary electric machine and a power converter (15) electrically connected to the first power source and having switches (SWH, SWL) for upper and lower arms. In the control circuit (50) of the power converter
The system includes a second power source (31) and a third power source (63), which are power supply sources for the control circuit.
An abnormality determination unit that determines whether or not an abnormality has occurred in the system,
When it is determined by the abnormality determination unit that an abnormality has occurred, it is the switch in one of the upper and lower arms using the power generated by at least one of the second power supply and the third power supply. It is equipped with an abnormal time control unit that performs short-circuit control that drives and controls the on-side switch to the on-state and drives and controls the off-side switch, which is the switch on the other arm, to the off-side switch .
A first state control unit (72,76) and a second state control unit (73,77) are provided as the abnormality control unit.
The second power source and the third power source are used as power supply sources for the first state control unit and the second state control unit.
A first power generation unit (65) that generates electric power using the second power source and the third power source as a power supply source, and
A second power generation unit (67) that generates electric power using the second power source and the third power source as a power supply source is provided.
The first state control unit is configured to be operable by being supplied with the electric power generated by the first electric power generation unit.
The second state control unit is a control circuit of a power converter configured to be operable by supplying the power generated by the second power generation unit .
多相の回転電機（１０）と、
前記回転電機の各相の巻線（１１）及び前記第１電源に電気的に接続され、上下アームのスイッチ（ＳＷＨ，ＳＷＬ）を有する電力変換器（１５）と、を備えるシステムに適用される電力変換器の制御回路（５０）において、
前記システムには、前記制御回路の電力供給源となる第２電源（３１）及び第３電源（６３）が備えられ、
前記システムに異常が発生しているか否かを判定する異常判定部と、
前記異常判定部により異常が発生したと判定された場合、前記第２電源及び前記第３電源の少なくとも一方で生成された電力を用いて、上下アームのうちいずれか一方のアームにおける前記スイッチであるオン側スイッチをオン状態に駆動制御し、他方のアームにおける前記スイッチであるオフ側スイッチをオフ状態に駆動制御する短絡制御を行う異常時制御部と、を備え、
前記異常時制御部は、前記異常判定部により異常が発生したと判定された場合、前記電力変換器を安全状態にできる制御が、上下アームの前記スイッチをオフ状態にするシャットダウン制御又は前記短絡制御のいずれであるかを判定し、前記電力変換器を安全状態にできる制御が前記短絡制御であると判定した場合に前記短絡制御を行い、その後、前記電力変換器を安全状態にできる制御が前記シャットダウン制御であると判定した場合、前記短絡制御の実行を停止して前記シャットダウン制御を行う電力変換器の制御回路。 First power supply (30) and
Multi-phase rotary electric machine (10) and
It is applied to a system including a winding (11) of each phase of the rotary electric machine and a power converter (15) electrically connected to the first power source and having switches (SWH, SWL) for upper and lower arms. In the control circuit (50) of the power converter
The system includes a second power source (31) and a third power source (63), which are power supply sources for the control circuit.
An abnormality determination unit that determines whether or not an abnormality has occurred in the system,
When it is determined by the abnormality determination unit that an abnormality has occurred, it is the switch in one of the upper and lower arms using the power generated by at least one of the second power supply and the third power supply. It is equipped with an abnormal time control unit that performs short-circuit control that drives and controls the on-side switch to the on-state and drives and controls the off-side switch, which is the switch on the other arm, to the off-side switch .
When the abnormality determination unit determines that an abnormality has occurred, the abnormality control unit controls the power converter to be in a safe state by shutting off the switch of the upper and lower arms or short-circuit control. The short-circuit control is performed when it is determined which of the above is the case, and the control that can put the power converter in the safe state is the short-circuit control, and then the control that can put the power converter in the safe state is the control. A control circuit of a power converter that stops execution of the short-circuit control and performs the shutdown control when it is determined that the shutdown control is performed .
前記スイッチング指令に基づいて、上下アームの前記スイッチの駆動制御を行うスイッチ駆動部（９２ａ，９３ａ）と、
前記スイッチ指令生成部の異常が発生したと判定した場合、前記電力変換器を安全状態にできる制御が前記シャットダウン制御又は前記短絡制御のいずれであるかを判定する安全状態判定部（７３）と、を備え、
前記安全状態判定部は、前記短絡制御の実行中において前記電力変換器を安全状態にできる制御が前記シャットダウン制御であると判定した場合、前記短絡制御の実行を停止して前記シャットダウン制御を行う請求項６に記載の電力変換器の制御回路。 A switch command generator (72) that generates and outputs a switching command for controlling the power converter, and a switch command generator (72).
A switch drive unit (92a, 93a) that controls drive of the switch of the upper and lower arms based on the switching command, and
When it is determined that an abnormality has occurred in the switch command generation unit, the safety state determination unit (73) that determines whether the control that can put the power converter in a safe state is the shutdown control or the short circuit control. Equipped with
When the safety state determination unit determines that the control that can put the power converter in the safe state during the execution of the short circuit control is the shutdown control, the request for stopping the execution of the short circuit control and performing the shutdown control. Item 6. The control circuit of the power converter according to Item 6.
多相の回転電機（１０）と、
前記回転電機の各相の巻線（１１）及び前記第１電源に電気的に接続され、上下アームのスイッチ（ＳＷＨ，ＳＷＬ）を有する電力変換器（１５）と、を備えるシステムに適用される電力変換器の制御回路（５０）において、
前記システムには、前記制御回路の電力供給源となる第２電源（３１）及び第３電源（６３）が備えられ、
前記システムに異常が発生しているか否かを判定する異常判定部と、
前記異常判定部により異常が発生したと判定された場合、前記第２電源及び前記第３電源の少なくとも一方で生成された電力を用いて、上下アームのうちいずれか一方のアームにおける前記スイッチであるオン側スイッチをオン状態に駆動制御し、他方のアームにおける前記スイッチであるオフ側スイッチをオフ状態に駆動制御する短絡制御を行う異常時制御部と、を備え、
前記第３電源は、前記第１電源から電力が供給されることにより電力を生成する電力変換器の制御回路。 First power supply (30) and
Multi-phase rotary electric machine (10) and
It is applied to a system including a winding (11) of each phase of the rotary electric machine and a power converter (15) electrically connected to the first power source and having switches (SWH, SWL) for upper and lower arms. In the control circuit (50) of the power converter
The system includes a second power source (31) and a third power source (63), which are power supply sources for the control circuit.
An abnormality determination unit that determines whether or not an abnormality has occurred in the system,
When it is determined by the abnormality determination unit that an abnormality has occurred, it is the switch in one of the upper and lower arms using the power generated by at least one of the second power supply and the third power supply. It is equipped with an abnormal time control unit that performs short-circuit control that drives and controls the on-side switch to the on-state and drives and controls the off-side switch, which is the switch on the other arm, to the off-side switch .
The third power source is a control circuit of a power converter that generates electric power by being supplied with electric power from the first power source .
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020022526A JP7160056B2 (en) | 2020-02-13 | 2020-02-13 | Power converter control circuit |
| PCT/JP2021/003040 WO2021161796A1 (en) | 2020-02-13 | 2021-01-28 | Control circuit for power converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020022526A JP7160056B2 (en) | 2020-02-13 | 2020-02-13 | Power converter control circuit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021129399A JP2021129399A (en) | 2021-09-02 |
| JP2021129399A5 true JP2021129399A5 (en) | 2022-01-21 |
| JP7160056B2 JP7160056B2 (en) | 2022-10-25 |
Family
ID=77292373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020022526A Active JP7160056B2 (en) | 2020-02-13 | 2020-02-13 | Power converter control circuit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7160056B2 (en) |
| WO (1) | WO2021161796A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009044944A1 (en) * | 2009-09-24 | 2011-03-31 | Robert Bosch Gmbh | Inverter for an electric machine and method for operating an inverter for an electric machine |
| JP6452113B2 (en) * | 2015-05-18 | 2019-01-16 | 国立大学法人長岡技術科学大学 | AC electric machine system and control method thereof |
| JP6697181B2 (en) * | 2016-06-15 | 2020-05-20 | 富士電機株式会社 | Electric motor drive |
| DE112017000286T5 (en) * | 2016-08-09 | 2018-09-13 | Fuji Electric Co., Ltd. | A power conversion |
| WO2018185812A1 (en) * | 2017-04-03 | 2018-10-11 | 東芝三菱電機産業システム株式会社 | Power conversion device |
-
2020
- 2020-02-13 JP JP2020022526A patent/JP7160056B2/en active Active
-
2021
- 2021-01-28 WO PCT/JP2021/003040 patent/WO2021161796A1/en active Application Filing
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