基調論文 デンソーにおける車両の電動化技術 Electrification Technologies for Vehicle in DENSO 田中政一 Masakazu TANAKA 蛭間淳之 Atsuyuki HIRUMA 梅田敦司 Atsusi UMEDA 大木島俊 Shun OHKIJIMA
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1 基調論文 デンソーにおける車両の電動化技術 Electrification Technologies for Vehicle in DENSO 田中政一 Masakazu TANAKA 蛭間淳之 Atsuyuki HIRUMA 梅田敦司 Atsusi UMEDA 大木島俊 Shun OHKIJIMA 谷恵亮 Keisuke TANI 井村彰宏 Akihiro IMURA The earth still has clean air, abundant materials and beautiful forests, but we are now facing the fatal environment issues for global future society. Especially, the greenhouse effect gas may become huge problem on automotive industry as well. We, DENSO, has challenged establishing the eco-friendly technologies for every vehicles in global so far. This paper introduces our established eco-friendly technologies with electrification focusing Motor, Inverter and Battery. Key words : Motor, Dual winding, Inverter, SiC, Battery, Lithium-ion 1. はじめに % 90% 20% HEV EV PHEV
2 調論文 Fig. 1-1 EPS HEV 3 DENSO TECHNICAL REVIEW Vol 基 車載用モータ技術 130 3) kw Fig. 1-1 The trend of regulations for CO 2 -emission 1) Fig. 1-2 EV Electric Vehicle EV Fig. 1-2 System outline of Tesla EV 2) 4) 2.1 小型高出力技術 Fig % 70% 60% U Fig
3 Fig. 2-1 Cross sectional view of the motor core slot 2.2 低騒音化技術 ( デュアル巻線技術 ) Fig dB 7) Fig. 2-2 Conductor and eld point Fig. 2-4 Dual winding HEV EV MG Fig. 2-3 HEV EV V 5) 6). Fig. 2-3 Traction motor 2.3 デュアル巻線とモータ制御の進化 ISG Integrated Starter Generator ISG 2 2 (kva) 1/2 2=1 ISG MOSFET 2 8) 2 PWM 90 11
4 9) 調論文 2 10dB ISG Fig. 2-5 Noise reduction results 9 EPS Electric Power Steering 2 1 DENSO TECHNICAL REVIEW Vol 基2.4 今後の車載用モータの展望 2 EV EV HEV HEV 2 EV HEV EV EV SiC SiC dv/dt dv/dt EMI EV 3. 車載用パワーコントロールユニット技術 2025 CO 2 70g/km HEV PHEV EV MG Motor/ Generator PCU PCU Fig HEV 12
5 THS-II Toyota Hybrid System II PCU PCU 2 MG PHEV EV MG SiC PCU Fig. 3-2 Original concept of the stacked cooling system 12) Fig. 3-3 View of power control unit of Toyota Prius(2015) 13) 3.2 車載用パワーデバイスの進化と SiC への期待 PCU Si - IGBT Insulated Gate Bipolar Transistor Fig. 3-1 Simplified Circuit Diagram of the Twotracrion-motor System in HEV 11) 3.1 デンソーの車載 PCU 開発の取り組み Fig % PCU 2007 Lexus LS600h PCU 11) 2015 HEV PCU 33% 12) Fig. 3-3) SiC SiC Si 1/ Si ) PCU Fig. 3-4 Fig. 3-4 Features of SiC semiconductors 14) 13
6 3.3 デンソーの SiC パワーデバイス開発およびその応調論文用開発の取り組み PCU SiC SiC SiC PCU SiC 99% SiC RAF Repeated A-Face growth method Fig ) DENSO TECHNICAL REVIEW Vol 基 PHEV EV SiC V 100A 400A 5% 16) SiC 16) Fig. 3-7 Fig. 3-7 View of the test car and PCU installed SiC MOSFET 17) Fig. 3-5 RAF(Repeated A-Face growth method) 14) SiC SiC MOSFET Metal- Oxide Semiconductor Field-Effect Transistor 15) Fig. 3-6 Fig. 3-6 SiC MOSFET and Charactaristics in ONstate 15) SiC SiC PCU 4 Si IGBT 10kHz PCU kHz 1/4 SiC MOSFET CR SiC 18) Fig
7 EV Fig. 3-8 Prototype of SiC power module installed CR snubber SiC 200 PCU PCU Si 200 NEDO Ag SiC DBC Direct-Bonded-Cupper Fig ) 20) Fig. 3-9 The double side DBC substrate structure model 19) 3.4 今後の車載用パワーコントロールユニットの展望 SiC PCU 4. 車載用電源技術 4.1 電動車両と二次電池その変遷について 1873 EV EV 1908 EV EV 1950 EV EV ECU
8 Fig. 4-2 調論文2009 EV i-miev 2010 EV 4.2 デンソーのリチウムイオン電池関連製品 23 Fig. 4-1 Fig. 4-1 System Construction of Lithium-ion battery pack LMO LTO LMO/LTO 5 DENSO TECHNICAL REVIEW Vol 基 DCDC Fig. 4-2 Voltage Characteristics 24 Fig DCDC 16
9 Fig. 4-3 Construction Of Refrigerator Sytem Fig. 4-4 Demand performance to battery pack 今後の車載用電源技術の展望 EV PHEV IoT Fig. 4-4 Fig Fig. 4-5 Road map of battery modeling for state estimation 17
10 調論文 EV 27 Fig kW 28 Fig. 4-7 DENSO TECHNICAL REVIEW Vol 基Fig. 4-7 Non-contact charger system EV Vehicle to Home V2H V2H 29 Fig. 4-8 EV HEMS EV Fig. 4-6 Road map of quick-charger by CHAdeMO Ass. EV 5. おわりに Fig.4-8 V2H system 90 HEV EV 18
11 参考文献 1) ( ) 2) 3) JMA ) OHM 5) HEV RM pp No pp ) EPS JMA 2015 B ) H EPS 2 MCU Vol.21(2016), pp , Vol.16(2011), p ) ) HP industrial-products/sic/ 15), SPring-8 NEWS 20 (2005) publications/publications/news/no_20/#topic 16) newsroom.toyota.co.jp/en/detail/ newsroom.toyota.co.jp/en/detail/ , 27 (2015), p ) Kazuhiko Sugiura et al., First Failure Point of a SiC Power Module with Sintered Ag Die-Attach on Reliability Tests,International Conference on Electronics Packaging (ICEP)2017(2017),p.97 20) K. Sugiura et al, Prominent Interface Structure and Bonding Materialof Power Module for High Temperature Operation, International Symposium on Power Semiconductor Devices (ISPD) 2017, Proceedings(2017),p ) theme/03/01.html 22) HEV/EV Vol pp ) ISS pp ) ) Differences between the Kinetically Preferred States of LiFePO4 during Charging and Discharging Observed Using In Situ X-ray Diffraction Measurements, J. Electrochem. Soc., Vol164 (2017), pp.a1281-a ) The mechanism of the potential increase in LiNi 0.5Mn1.5-xMxO4 (M=Ti, Ge), ) CHAdeMO CHAdeMO ) ( ) 26 EMS pdf 29) ( ) 26 HEMS V2H pdf/150330/150330_37.pdf 19
12 政一調論文田中 著者 たなかまさかず研究開発 2 部機械系システムおよび製品の先行開発に従事 梅田敦司 うめだあつしエレ機器開発部モータおよび電機製品の先行開発に従事 DENSO TECHNICAL REVIEW Vol 蛭間淳之ひるまあつゆき研究開発 2 部モータを中心としたパワーエレクトロニクス製品の研究 先行開発に従事谷恵亮基たにけいすけ 研究開発 2 部電力変換器の研究開発に従事 大木島俊 おおきじましゅん研究開発 2 部電源システムの研究開発に従事 井村彰宏 いむらあきひろ研究開発 2 部博士 ( 工学 ) 電動システムの研究開発に従事 20
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