Challenge

Week-3 Challenge: ADVISOR Tool

___Q1___

AIM : To check whether an EV can travel for 45km with 500kg cargo mass in an FTP cycle.

GIVEN :

  • ADVISOR tool.
  • EV_defaluts_in file.
  • Cargo mass = 500 kg.
  • Distance to be travelled 45 km.
  • All others defalut conditions.

THEORY :

1- Selecting EV_defaluts_in file from drop down menu.

2 - Changing Cargo mass to 500kg.

3- Selecting FTP cycle from drop down menu.

OBSERVATION :

1- For 1 FTP cycle.

The distance travelled is 17.8 km.

The SOC is now 60%.

2- For 2 FTP cycles.

The distance travelled is 35.5 km.

The SOC is now 20%.

3- For 3 FTP cycles.

The distance travalled is 41.4 km.

The SOC is now 0%.

CONCLUSION :

No. of FTP Cycles SOC Distance Travelled
1. 60% 17.8 km
2. 20% 35.5 km
3. 0% 41.4 km

When the simulation is run for 3 FTP cycles, the total distance travelled by the vehicle is 41.4 km only.

So the vehicle couldnt travel 45km in 3 FTP cycles due to insufficient SOC (State of Charge).

___Q2___

AIM : To change the battery capacity and repeat the simulation for FTP cycle.

OBSERVATION :

Battery Capacity has been changed from 25 to 30 modules, i.e. 308V to 370V.

RESULTS - The total distance travelled before the SOC become 0% is 49.1km.

CONCLUSION :

When the battery capacity was changed to 370V, for the 3 FTP cycles the vehicle travelled for 49.1km.

___Q3___

AIM : To perform gradeability test with PRIUS Japan model.

GIVEN :

  • ADVISOR tool.
  • PRIUS_Jpn_defaults_in.
  • All others defalut conditions.

THEORY :

Selecting PRIUS_Jpn_defaults_in from drop down menu.

Drivetrain full ev.

Selecting Gradeability test and changing speed to see the effect.

Drive cycle selected is UDDS repeated 5 times.

OBSERVATION :

Speed = 5 mph / 8 kmph.

Gradeability = 50.4%

Speed = 10 mph / kmph.

Gradeability = 50.4%

Speed = 20 mph / kmph.

Gradeability = 34.1%.

Speed = 30 mph / kmph.

Gradeability = 22.3%.

Speed = 40 mph / 64.4 kmph

Gradeability = 15.8%.

Speed = 80 mph / 128.7 kmph.

Gradeability = 3.1%.

CONCLUSION :

Speed (milesph) Speed (kmph) Gradeability (%)
5 8 50.4
10 16.1 50.4
20 32.2 34.1
30 48.3 22.3
40 64.4 15.8
80 128.7 3.1

As the speed of the vehicle is increased its gradeability decreases.

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