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Consider a scenario where an aggressive driver is accelerating very rapidly and braking harshly in a city driving. Is battery better a choice to supply power than UC in this scenario? True False Why? False If the driver is accelerating very rapidly and braking harshly, the current draw by the motor to achieve these conditions…
Satish M
updated on 18 May 2021
Consider a scenario where an aggressive driver is accelerating very rapidly and braking harshly in a city driving. Is battery better a choice to supply power than UC in this scenario?
Why?
False
If the driver is accelerating very rapidly and braking harshly, the current draw by the motor to achieve these conditions is too transient. So battery cannot provide the current to the motor in a less time. Hence UC which is high power density component can work efficeintly at trasient conditions. In braking harshly, regenrative braking mode is activated which is very ease to UC to store that power.
Question 2:
Consider the following components.
1) Lead acid battery 2) Nickel cadmium battery 3) Nickel Metal hydride battery 4) Lithium ion (specify chemistry) battery 5) Ultra Capacitor
Note: In case of a range of energy density, take the average value for the plot.
Create a plot with energy density on the X Axis and cell voltage on the Y axis.
Comment on the capabilities of these batteries based on the plot created.
Li is the lightest element so that the energy density of the Li ion batteries are high among all the energy storage systems.
UC has the least Energy density
LiCoO2 has the highest Energy Density.
Question 3:
For the above-mentioned components on the same plot (retain the previous plot) created in the previous
Create a plot with power density on the X axis and cell voltage on the Y axis.
UC has the highest Power density among al Energy storage Systems (ESS). Lead acid battery has least Power density as the Pd is the highest atomic weight among all ESS.
Question 4:
Consider the following scenario:
A battery has just been manufactured in the battery and has been connected to a charger for the first time. The electrode marked as (1) in the picture below is the negative electrode.
True
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Project 1 (Mini Project on Vehicle Direction Detection
Project Title: Vehicle Direction Determination Aim To create a Simulink model of Vehicle Direction Detection as per the Requirement data. General Overview: Identifying the direction of the vehicle is one of the important & diverse features in Autonomous driving & Advanced Driver Assistance Features. This particular sub-feature…
15 Oct 2023 06:26 PM IST
Project 1
Boost Converter (CCM): Vi=20-30V V0=40V Vo/Vi=1/1-D Range of Duty Cycle if Vi is 20 40/20=2 1-D=0.5 D=0.5 If Vi=30 Vo/vi=4/3 1-D=1.33 D=0.33 Calculation of Load Resistor: As per given data P=600W V0=40V R=Vo^2/P R=1600/600 R=2.66 ohm Calcultion of Inductance: Assume fs=100khz current ripple is 20% Inductor current…
10 Nov 2021 06:47 AM IST
Week 4 Challenge
Consider the following operating points of a fuel cell during a short period of operation. 15 W/cm2 3 W/cm2 27 W/cm2 Where would these points go in the diagram below? The power at some points are as follows P1=1V*0A/cm2 =0w/cm2 P2=0.75*0.3= 0.225 w/cm2 P3= 0.6*0.75 =0.45 w/cm2 P4=0.25*1.15 =0.2875 from the above points…
23 Jun 2021 08:23 AM IST
Week 7 Challenge
The vehicle parameters for modeling in MATLAB/Simulink is as follows fr = coefficient of rolling resistance =0.015g = gravitational acceleration=9.81M = vehicle mass=1910.2kgQ = air density=1.29Cx = aerodynamic drag coefficient=0.4170A = frontal surface area of the vehicle=2.86 The simulation is divided into four sections…
20 May 2021 11:58 AM IST
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