Week-6 Challenge: EV Drivetrain

  Q) Explain the various applications of Power converters in an Electric vehicle. For Example what type of converter will you use for Horn which requires DC and less than 10V. Likewise come up with different applications. Ans: Power converters play a crucial role in electric vehicles (EVs) as they help in managing…

OBJECTIVE To find the maximum amount of heat generated and the SOC estimation for a battery pack for a predefined current profile.   THEORY Heat generation in battery packs: Batteries generate heat during charging and discharging due to enthalpy changes, electrochemical polarization and resistive heating inside the cell. …

Q1. Design a battery pack for a car roughly 150 Kw with 120 V. Use 3500 mAh 3.6V nominal NMC chemistry cell.        a. Design the battery pack configuration.         b. Draw the BMS topology for this battery pack. Ans: Objective:  To design a battery pack and its suitable…

Final Project: Design of an Electric Vehicle Objective: Lets design and model an electric power train for Tata Tigor EV. Vehicle specifications required for our modelling: Sl.No Parameter Value 1 Kerb weight 1235 Kg 2 Length*breadth*height 4m*1.7m*1.5m 3 Top speed 120kmph 4 Acceleration (0-100kmph) 12.63seconds 5 Tyre…

Part A: 1. Search and list out the total weight of various types of aircrafts.  Ans: Type of aircraft  Max takeoff weight(Kg) Max landing weight(Tonnes) Weight class Airbus A340-500 371,950 240 Heavy Boeing 757-300 124,000 101.6 B757 Airbus A320-100 68,000 66 Large jet Bombardier CRJ900 36,500 33.345 Large commuter…

Q1. For a defined driving cycle, calculate the energy required for braking. Ans: At first the drive cycle is defined in an excel sheet and a plot is made. Using the plot, the values from the braking regions of the vehicle are taken. The plot of the drive cycle is given below. From the plot it is seen that, it consist of…

Q1. A. Explain a MATLAB demo model named ‘Speed control of a DC motor using BJT H-bridge’.       B. Comment on the armature current shoot-up from the scope results.       C. Refer to the help section of ‘The Four-Quadrant Chopper DC Drive (DC7) block’. Compare …

Q1.  Which types of power converter circuits are employed in electric and hybrid electric vehicle?   Ans: The types of power converters which are widely used in an Electric Vehicle are: AC – DC Converter (On Board Charger): AC to DC converters are most commonly used in Plug-in Hybrid Electric…

Q1.What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type?  Ans: Powertrain Blockset provides two types of engine models: mapped and dynamic. Mapped engines represent macro engine behavior as a set of lookup tables (brake torque, fuel flow, air mass flow,…

1.   For EV_defaults_in file, if cargo mass is 500 kg with all other default conditions, can the vehicle travel for 45 km with FTP drive cycle? Conclude your observations. Ans: Case1: Simulation using the default cargo mass(136kg)     selected 3 cycles of FTP drive cycle   from the above result,…

Answer: The given motor shematic diagram doesnt specifically mention whether its an armature controlled or field controled DC motor. So, lets consider the case for an armature controlled DC motor.   Theory:  For an armature controlled DC motor, the field would be kept constant and hence, the field current If…

M-script: % Project % In a laboratory experiment, data of voltage and current has been recorded and the same is attached in an excel file % Read the excel file in the Matlab program and perform the interpolation in the range of -17.3:0.1:0.9. % Generate the interactive plot for the interpolated data and store them in a…