Drivetrain modelling and parameter calculation for an electric bus with fixed or 2-speed gearbox

被引：2

作者：

Novak, Martin ^{[1
]}

Novak, Jaroslav ^{[1
]}

Morkus, Josef ^{[2
]}

Musalek, Lubomir ^{[1
]}

Sivkov, Oleg ^{[1
]}

机构：

[1] Czech Tech Univ, Fac Mech Engn, Dept Instrumentat & Control Engn, Tech 4, Prague 16600, Czech Republic

[2] Czech Tech Univ, Fac Mech Engn, Vehicle Ctr Sustainable Mobil, Tech 4, Prague 16600, Czech Republic

来源：

INTERNATIONAL JOURNAL OF ELECTRIC AND HYBRID VEHICLES | 2020年 / 12卷 / 03期

关键词：

electric vehicles; motor drives; permanent magnet motors; torque control; variable speed drives; TRANSMISSION; DESIGN;

D O I：

10.1504/IJEHV.2020.110088

中图分类号：

U [交通运输];

学科分类号：

08 ; 0823 ;

摘要：

This paper presents drivetrain calculations for an electric bus. Parameters of motor, gears and motor efficiency map are used. The goal is to select the suitable motor and gearbox. Driving cycle SORT2 and real life driving cycles measured on bus lines are used. Based on the bus manufacturer assignment, only permanent magnet synchronous machines are considered. The motor output power is considered in the range of 120-160 kW. The selection of axle gear ratios was limited to 6.19, 6.5 and 7.35, as those are readily available. The gearbox was either a fixed one, with gear ratio of 1.8, or a 2-speed gearbox with a gear ratio of 1 and 1.8. The calculations have shown, that a 2-speed gearbox can decrease the energy consumption. The improvement is in the range of 1-3% dependent on the motor option and driving cycle.

引用

页码：229 / 252

页数：24

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