JP2022503711A - 電気自動車用のコンバータの電気絶縁を確認するためのシステム - Google Patents
電気自動車用のコンバータの電気絶縁を確認するためのシステム Download PDFInfo
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- JP2022503711A JP2022503711A JP2021514351A JP2021514351A JP2022503711A JP 2022503711 A JP2022503711 A JP 2022503711A JP 2021514351 A JP2021514351 A JP 2021514351A JP 2021514351 A JP2021514351 A JP 2021514351A JP 2022503711 A JP2022503711 A JP 2022503711A
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- 238000010292 electrical insulation Methods 0.000 title claims description 16
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000002955 isolation Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 10
- 230000007935 neutral effect Effects 0.000 description 2
- 230000019491 signal transduction Effects 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 1
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- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- 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
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/10—Driver interactions by alarm
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Dc-Dc Converters (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
-場合により、電圧発生器G,G1,G2に存在するいずれかの電流を検出し、
-係る電流を検出した場合、少なくとも1つの警告信号を発生させるように構成される。
-電流計Mによって検出された電流値を少なくとも1つの所定の閾値と比較し、
-検出電流の値が所定の閾値よりも大きい場合、警告信号を送信するように構成される。
Claims (10)
- 電気自動車用のコンバータの電気絶縁を確認するためのシステム(S)であって、
電気自動車用の高電圧コンバータ(CNV)の監視される少なくとも1つのライン(L1~Ln)に接続され、前記コンバータ(CNV)のアース端子(C)に接続される、少なくとも1つの電圧発生器(G,G1,G2)と、
前記電圧発生器(G,G1,G2)に動作可能に接続される少なくとも1つの電流検出ユニット(U,U1,U2)であって、場合により、前記電圧発生器(G,G1,G2)に存在するいずれかの電流を検出し、前記電流を検出した場合、少なくとも1つの警告信号を発生させるように構成される、少なくとも1つの電流検出ユニット(U,U1,U2)と、
を備えることを特徴とする、システム(S)。 - 前記電圧発生器(G,G1,G2)は直流電圧発生器であることを特徴とする、請求項1に記載のシステム(S)。
- 前記電圧発生器(G,G1,G2)は絶縁及び制限された直流電圧発生器であることを特徴とする、請求項1または2に記載のシステム(S)。
- 前記電圧発生器(G,G1,G2)は方形波交流電圧発生器であることを特徴とする、請求項1に記載のシステム(S)。
- 検出ユニット(U,U1,U2)は、電流計(M)、電圧計、抵抗計の少なくとも1つを備えることを特徴とする、請求項1~4のいずれか1項に記載のシステム(S)。
- 前記電流計(M)は、前記電圧発生器(G,G1,G2)によって吸収される電流を測定するように構成される電流吸収計測器であることを特徴とする、請求項5に記載のシステム(S)。
- 検出ユニット(U,U1,U2)は、電流計(M)に動作可能に接続され、前記検出電流の値を少なくとも1つの所定の閾値と比較するように構成される、少なくとも1つの比較及び信号伝達ユニット(A)を備え、前記比較及び信号伝達ユニット(A)は、前記電流値が前記閾値よりも大きい場合、前記警告信号を送信するように構成されることを特徴とする、請求項1~6のいずれか1項に記載のシステム(S)。
- 前記比較及び信号伝達ユニット(A)は前記閾値を記憶するように構成されるプログラム可能記憶装置を備えることを特徴とする、請求項7に記載のシステム(S)。
- 前記システム(S)は、前記電圧発生器(G,G1,G2)に動作可能に接続される少なくとも1つの絶縁変圧器(T1,T2,T)を備えることを特徴とする、請求項1~8のいずれか1項に記載のシステム(S)。
- 電気自動車用のコンバータ(CNV)であって、外部電源ライン(L1~Ln)に接続可能な少なくとも1つの入力、少なくとも1つの電圧変換ユニット(DC/DC)、及び電気自動車の負荷に接続可能な少なくとも1つの出力ライン(L1~Ln)を備え、
前記電気自動車用のコンバータ(CNV)は、
監視される少なくとも1つのライン(L1~Ln)に接続され、前記コンバータ(CNV)のアース端子(C)に接続される、少なくとも1つの電圧発生器(G,G1,G2)と、
前記電圧発生器(G,G1,G2)に動作可能に接続される少なくとも1つの電流検出ユニット(U,U1,U2)であって、場合により、前記電圧発生器(G,G1,G2)に存在するいずれかの電流を検出し、前記電流を検出した場合、少なくとも1つの警告信号を発生させるように構成される、少なくとも1つの電流検出ユニット(U,U1,U2)と、
を備えることを特徴とする、システム(S)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102018000008576 | 2018-09-13 | ||
IT201800008576 | 2018-09-13 | ||
PCT/IB2019/057635 WO2020053771A1 (en) | 2018-09-13 | 2019-09-11 | System for checking the electrical insulation in converters for electric cars |
Publications (1)
Publication Number | Publication Date |
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JP2022503711A true JP2022503711A (ja) | 2022-01-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2021514351A Pending JP2022503711A (ja) | 2018-09-13 | 2019-09-11 | 電気自動車用のコンバータの電気絶縁を確認するためのシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220034954A1 (ja) |
EP (1) | EP3850376B1 (ja) |
JP (1) | JP2022503711A (ja) |
CN (1) | CN113039448A (ja) |
WO (1) | WO2020053771A1 (ja) |
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JP2006170714A (ja) * | 2004-12-14 | 2006-06-29 | Nissan Motor Co Ltd | 地絡検出装置、地絡検出装置の閾値設定方法 |
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2019
- 2019-09-11 US US17/275,619 patent/US20220034954A1/en active Pending
- 2019-09-11 EP EP19780408.1A patent/EP3850376B1/en active Active
- 2019-09-11 CN CN201980073586.5A patent/CN113039448A/zh active Pending
- 2019-09-11 JP JP2021514351A patent/JP2022503711A/ja active Pending
- 2019-09-11 WO PCT/IB2019/057635 patent/WO2020053771A1/en unknown
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WO2020053771A1 (en) | 2020-03-19 |
CN113039448A (zh) | 2021-06-25 |
US20220034954A1 (en) | 2022-02-03 |
EP3850376A1 (en) | 2021-07-21 |
EP3850376B1 (en) | 2023-11-29 |
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