Week 6 Session 13

  new trends in the battery system field. Cloud Based BMS Charging or discharging a battery pack generates heat. This heat has to be dissipated from the system. Failure to reduce the temperature of the battery can lead to adverse consequences like the battery exploding.  The most common method of cooling…

OBJECTIVE OF THE PROJECT: Model 3 Phase Inverter using Simulink (model the parasitic as well) with a switching frequency of 10Khz using 3 phase Squirrel Cage Induction motor, using V/F method, open loop. Motor Parameters:  Stator Resistance = 0.5 Ohms Rotor Resistance = 0.2 Ohms Stator Leakage Inductance = 20 mH Rotor…

AIM: Design of boost converter, calculating the loss of different components including the power switching device, and deriving efficiency of the boost converter. (This is applicable in the power supply industry, electric vehicles, etc where a DC-DC converter is required to boost the voltage from the DC source) THEORY:…

Tata NEXON EV 30.2 kWh high energy density Lithium-ion battery pack AC charging (soc 10% to 90%from any 15A plug) 9 hours 10# minutes Hyundai Kona electric 39.2 kWh Lithium-ion Polymer AC Charging (0-100%)* 6hr 10 mins Kia EV6 7.4 kWh Lithium ion DC Fast Charge (10%-80%) - 50 kW 73 minutes      

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 There are two major power electronic units in the general configuration DC-DC converter DC-AC inverter  …

Compare the different motors used in EV and list down the advantages and disadvantages of each. Motors  Advantages Disadvantages  DC Series Motor(Indian Railways) High starting torque capability  easy speed control withstand a sudden increase in load high maintenance due to brushes and commutators. Brushless…

Compare the different architectures of HEV. Discuss the pros and cons. Depending on DOH(degree of hybridization), [DOH=motor power/motor power +ice power] HEV can be classified as mild, micro, and full HEV. Types of vehicle Engine start/stop Regenerative braking Motor assist  Electric drive  Micro-hybrid Yes…

1:Compare four different types of fuel cells and state their applications. DIRECT METHANOL FUEL CELLS: Most fuel cells are powered by hydrogen, which can be fed to the fuel cell system directly or can be generated within the fuel cell system by reforming hydrogen-rich fuels such as methanol, ethanol, and hydrocarbon fuels.…

  Using MATLAB/Simulink and  the drive cycle from the attached excel sheet, find- The max heat generation of the battery  The SOC of the battery at 2 *104second of the battery operation Time Time Step Battery Current 00:00.4 0.1 -0.9632 00:00.5 0.2 -0.952 00:00.6 0.3 -0.9072 00:00.7 0.4 -0.9632 00:00.8 0.5…

AIM OF THE PROJECT: Design a battery pack for a car of 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. THEORY:      Battery management…

AIM: Create a detailed MATLAB model of an electric rickshaw (three-wheel passenger vehicle). INTRODUCTION: Electric rickshaws (also known as electric tuk-tuks or e-rickshaws or toto or e-tricycles) are small 3-wheeled vehicles powered by an electric motor and battery ranging from 650 to 1400 Watts.…

Create a MATLAB model of electric car which uses lithium ion battery and suitable motor. Choose suitable blocks from Simscape or Powertrain block set. Implement the vehicle speed control using PI controller and generate brake and accelerator commands. Avoid using readymade driver block for speed control. Prepare a report…

Electrical Vehicles are rapidly replacing conventional ICE vehicles across the globe. But selecting the right architecture and components is a difficult task because of the resources available. A vehicle is basically an electromechanical system with a large number of subsystems. The close integration of all the sub-systems…

  1.Search and list out the total weight of various types of aircrafts.  From “Manufacturing” to “Commissioning” and from “On the Ramp” to “Take-off” there are huge variations in the weight and balance of an aircraft. It varies significantly, so striking a correct…

For a defined driving cycle, calculate the energy required for braking.      consider UDDS for calculation of breaking energy    Vehicle Braking Calculation Input Parameters Kerb Weight (kg) 800 Pay Load (kg) 100   Braking Energy Calculation Initial Velocity(Km/hr) 80 Initial Velocity(m/sec)…

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 it with the H-bridge model.…

  Which types of power converter circuits are employed in electric and hybrid electric vehicle?    Power electronic converters are used everywhere in normal daily routines at home, commercial workplaces or in an industrial environment. Power electronics is an enabling technology for the development…

QUE1:What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type? Mapped model:  Model uses a set of steady-state lookup tables to characterize engine performance. The tables provide overall engine characteristics, including actual…

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: ADVISOR is a MATLAB/Simulink based simulation program for rapid analysis of the performance and fuel economy of light and heavy-duty vehicles with…

DC motor converts electrical energy into mechanical energy by interaction of two magnetic field, one produced by magnet of poles, and other produce by aramture current on rotataing part. This project is divided into two parts  1. Design a simulink of dc model, and then make it a subsystem. 2. Using a discreate PID…