Nidec Launches Mass Production of its Second-generation EV Traction Motor System E-Axle Gen.2, which is Lighter and Quieter

时间： 2022-10-28 来源：Nidec News

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NIDEC Corporation announced that it has started the mass production of the second-generation model (“Gen.2”) of its EV traction motor system, E-Axle.

Nidec’s E-Axle Ni100Ex (Gen.2)

In April 2019, Nidec became the first tier-1 company in the world to launch the mass-production of E-Axle, the EV traction motor system that combines a motor, a gear, and an inverter (“Gen.1). Since then, a growing number of Nidec Chinese and other countries’ customers have adopted Gen.1 to their automobiles, with 13 of their models equipped with it as of September 30, 2022 (More than 520,000 units have been produced by the date).

Gen.2, the E-Axle that Nidec started mass-producing at Guangzhou Nidec Auto Drive System Co., Ltd. in China on September 26, 2022, is both lighter and quieter than its predecessor, Gen.1, based on magnetic circuit designing, oil cooling, and other technological knowhow that we have nurtured via Gen.1’s development and mass production.

E-Axle Gen.2’s main features (in comparison with Gen.1’s 100kW model)
1. 19% lighter in weight and 20% better torque and power density thanks to the use of smaller magnetic circuits and inverters based on the second-generation, high-space-factor wire-winding technology;
2. Use of magnets that require significantly fewer amounts of dysprosium (Dy), terbium (Tb), and other kinds of heavy rare earth thanks to the improved cooling capability based on the newly developed two-way oil-circulation system*¹. The magnets will be replaced by those free of heavy rare earth*² gradually; and
3. Motor noise was reduced by 6 – 8dB compared with its previous model and the one prior to it, both of which were very quiet, thanks to the optimized component allocation and newly designed gears, among others.

*1. The system boasts the largest number of patent applications for oil cooling technology in China.

*2. The power of a magnet (ferromagnetic substance) will be lost at and above a certain temperature (Curie temperature), but the magnet can be more heat-resistant by using dysprosium and terbium. With the use of better cooling capabilities, Nidec’s E-Axle Gen.2 can successfully decrease magnets’ temperature, thus reducing the required amounts of dysprosium and terbium dramatically.

The 100kW model of E-Axle Gen.2 is now in mass production, but the currently produced 200kW, 150kW, and other models in Nidec’s product lineup will be replaced by Gen.2 gradually.

Specifications of E-Axle Gen.2 (100kW)

Peak output: 100kW@350V, the 20s
Rated output: 38kW
Peak torque of the output shaft: 2,400Nm Nidec’s E-Axle Ni100Ex (Gen.2) 2/2
Maximum rpm of the output shaft: 1,250rpm
Weight: 57kg
Operating voltage: 300 – 460V
External size (mm): 432.8 x 408.3 x 351.3

As Nidec aims to acquire 40–44% of the global share of the EV drive motor market by 2030, Nidec E-Axle will be the driving force behind this effort. As the world’s leading comprehensive motor manufacturer, Nidec stays committed to developing products based on its technologies to make light, thin, short, and compact products that are highly efficient and controllable, to propose, at an overwhelming speed, revolutionary solutions that contribute to the evolution of cars.

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本文由玄子转载自Nidec News，原文标题为:Nidec Launches Mass Production of Its Second-generation EV Traction Motor System，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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2023-08-17 - 瑶芯微 - 数据手册 - Rev.1.8 代理服务技术支持批量订货查看更多版本

台达集团介绍手册

2017/9/19 - 台达 - 商品及供应商介绍代理服务技术支持批量订货

面向未来的智能解决方案

型号- SR100,KPL,WM3M4,SCU 810,KPR,KLT,KLS,MC7X,KLV,WM3M4C,IE14,KEA,FPC680,MCE 940,FPC 680I,KEU,IMC774,KNB,RI7X,NEO3000,MC784,RI7X SERIES,CAU380,KNG,KNI,KNL,KNK,KNM,MT560,KNP,KNO,MT440,KNR,KNU,IMC76X,X2,IMC3XX,IMC784,CAU 380,MT5X,FPC 680,IK SERIES,MKP,ECU,MKT,Y2,FPC 400,IE38MX,FPC 200,KPB,KPA

March 2023 - ISKRA - 商品及供应商介绍 - Version 5.2 代理服务技术支持批量订货

Nidec Power Train Systems Develops New EOP to Cool EV Traction Motor System E-Axle

As a smaller and lighter traction motor, which is the “heart” of the EV, and uses less heavy rare-earth magnets, the traction motor is required to have better cooling efficiency, and the business of the oil-cooling system that can directly cool the motor, the source of heat, continues to expand.

2023-10-09 - 产品代理服务技术支持批量订货