Nissan EM motor

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The Nissan EM motor is an electrical motor manufactured by Nissan Motors. It is a 3-phase AC synchronous power electric motor, that uses interior neodymium permanent magnets

Contents

Nissan EM motor
EM57 motor.jpg
Overview
Manufacturer Nissan
Production2010-Present
Layout
Configuration Water-cooled, 3-phase AC synchronous
Block materialAluminium
RPM range
Redline 10,390 - 11,330 rpm (Depends on model-year)
Output
Power output From 80 kW (107 hp) to 160 kW (215 hp)
Torque output From 250 N⋅m (184 lb⋅ft) to 340 N⋅m (251 lb⋅ft)
Dimensions
Dry weight58 kg
Emissions
Emissions target standard Zero Emission

EM61

The EM61 made its debut in 2010. It was used only in the first generation Nissan Leaf (ZE0 2010-2012). The EM61 generates 280Nm of peak torque and has a max rpm of 10,390.

EM57

The EM57 is an improvement over the first generation. It was first released with the 'AZE0' Nissan Leaf refresh in 2013. This motor features a smaller footprint compared to the EM61, allowing for 11.7 kg of weight savings in the inverter/motor package. [1] The motor also trades some peak torque for a more efficient power range. [2] It peaks at 250Nm of torque and has a max rpm of 10,500.

It is used in the following electric vehicles:

It is also used in the following hybrids:

EM57 refresh

In 2018, the EM57 motor received an update with the introduction of the ZE1 Nissan LEAF. Depending on which inverter was mounted on the motor, power levels were increased to 110kW (320Nm) and on the e+ model it was further raised to 160kW (340Nm). The rpm range is also increased to 11,330 on the e+ LEAF. The motor received three tweaks:

EM47

The EM47 motor released in 2020 with the refreshed Nissan Note. [4] It is only used in Nissan's e-POWER lineup. It is matched with an inverter which has a 40% size reduction and 30% weight reduction. [4] The EM47 has a max speed of 10,500rpm and produce 254Nm of torque. [5]

It is used in the following hybrids:

The inverter used with the e-POWER EM47 motor EM47 Inverter.png
The inverter used with the e-POWER EM47 motor

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References

  1. "2013 Nissan Leaf integrated e-powertrain a smaller, lighter package - SAE International". 2017-07-14. Archived from the original on 2017-07-14. Retrieved 2021-02-21.
  2. "e-Powertrain | NISSAN | TECHNOLOGICAL DEVELOPMENT ACTIVITIES". 2013-08-14. Archived from the original on 2013-08-14. Retrieved 2021-02-21.
  3. "Nissan introduces series-hybrid powertrain with Note e-POWER in Japan; small pack, small engine, LEAF motor, low price". Green Car Congress. Retrieved 2021-02-21.
  4. 1 2 "Nissan launches all-new Note in Japan". Official Global Newsroom. 2020-11-24. Retrieved 2021-03-04.
  5. Yoshimoto, Kantaro; Hanyu, Tomoyuki (2021). "NISSAN e-POWER: 100 % Electric Drive and Its Powertrain Control". IEEJ Journal of Industry Applications. advpub: 20013024. doi:10.1541/ieejjia.20013024.
  6. "日産:ノート [ NOTE ] 電気自動車 (e-POWER) | 価格・グレード". Nissan (in Japanese). Retrieved 2021-03-04.