Loss Analysis of Electric Motors in Hybrid Excavator

Kobelco Construction Machinery Co., Ltd. has launched a new 20 tonne hybrid excavator, equipped with two types of newly developed electric motors, namely, a permanent magnet type, flat, high-torque generator motor, and a compact high-output slewing motor. In an electric motor, iron loss and copper l...

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Veröffentlicht in:	Kobelco technology review 2019-04 (37), p.15
Hauptverfasser:	Tsutsui, Akira, Fujisawa, Ryo, Sekiyama, Kazuhide, Yamazaki, Yoichiro, Saeki, Seiji, Koiwai, Kazushige
Format:	Artikel
Sprache:	eng
Schlagworte:	Circuit design Circuits Construction equipment Copper loss Core loss Electric motors Excavators Heat Heat transfer Magnetic circuits Permanent magnets Slewing Torque
Online-Zugang:	Volltext
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