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Mathematical modelling of BLDC motor?
OpenChetan Shidling asked 4 years ago • Electrical Machines
449 views0 answers0 votes
What will be the tesla's price in India?
OpenChetan Shidling asked 4 years ago • Electric Vehicle
330 views1 answers0 votes
Why ceiling fan winding will burn?
OpenChetan Shidling asked 4 years ago • Electrical Machines
432 views0 answers0 votes
Prepare an estimate for a 1 km three-phase 440 V distribution line of 1.5 km length to be erected on wooden poles and starting from LT box of 100 kVA 11000/440 V distribution transformer. Also calculate the approximate cost involved in executing this work.
OpenAman Rana asked 4 years ago • Electrical Estimating And Costing
318 views0 answers0 votes
Why something we need to rotate ceiling fan manually to make it move?
OpenChetan Shidling asked 4 years ago • Electrical Machines
305 views0 answers0 votes
Why neutral wire fails and what happens when neutral wire fails?
OpenJohn asked 4 years ago • Electrical Estimating And Costing
302 views0 answers0 votes
Why reactors are used in power system?
OpenChetan Shidling asked 4 years ago • Power System Analysis
422 views1 answers0 votes
Why tesla coil is required??
Opendixitauvarna9 asked 4 years ago • Electrical
256 views0 answers0 votes
What is Neutral Grounding Resistors?
OpenChetan Shidling asked 4 years ago • Switchgear And Protection
330 views1 answers0 votes
Why soil conductivity important for earthing?
OpenChetan Shidling asked 4 years ago • Switchgear And Protection
339 views1 answers0 votes
What is low reactance grounding?
OpenChetan Shidling asked 4 years ago • Switchgear And Protection
371 views1 answers0 votes
What are the types of AC motor starter?
AnsweredChetan Shidling asked 4 years ago • Electrical Machines
473 views3 answers0 votes
Why do we need ABS?
OpenChetan Shidling asked 4 years ago • Electric Vehicle
242 views0 answers0 votes
Difference between star and delta transformer?
OpenChetan Shidling asked 4 years ago • Electrical Machines
253 views0 answers0 votes
What does inductor and capacitor present in RLC circuit do?
AnsweredChetan Shidling asked 4 years ago • Basic Electrical
401 views1 answers0 votes
What is under damped in waveform?
AnsweredChetan Shidling asked 4 years ago • Basic Electrical
306 views1 answers0 votes
Nissan Leaf has which type of EV motor
OpenChetan Shidling asked 4 years ago • Electric Vehicle
260 views0 answers0 votes
The rotor copper losses in a Permanent Magnet machines is?
OpenChetan Shidling asked 4 years ago • Electrical Machines
503 views0 answers2 votes
What is Hysteresis Loss?
OpenChetan Shidling asked 4 years ago • Electrical Machines
207 views0 answers0 votes
What is Eddy current Loss and where does it occur?
OpenChetan Shidling asked 4 years ago • Electrical Machines
188 views0 answers0 votes
Difference between electrical and mechanical speed?
OpenChetan Shidling asked 4 years ago • Electrical Machines
292 views0 answers0 votes
What are the signals affect the control action in a DTC system
AnsweredChetan Shidling asked 4 years ago • Electrical Machines
299 views1 answers0 votes
What is direct torque control or DTC method?
AnsweredChetan Shidling asked 4 years ago • Electrical Machines
402 views1 answers0 votes
Why battery modelling is done?
AnsweredChetan Shidling asked 4 years ago • Battery Management System
276 views1 answers0 votes
Battery modelling in matlab simulink?
OpenChetan Shidling asked 4 years ago • Battery Management System
240 views0 answers0 votes
Comparison between fuel cell, battery, and supercapacitor in electric vehicle?
OpenChetan Shidling asked 4 years ago • Electric Vehicle
229 views0 answers0 votes
What is Park Transformation?
AnsweredChetan Shidling asked 4 years ago • Electric Vehicle
673 views1 answers0 votes
What is Clark Transformation?
AnsweredChetan Shidling asked 4 years ago • Electric Vehicle
549 views1 answers0 votes
How electric train gets an electric supply?
OpenChetan Shidling asked 5 years ago • Electric Vehicle
346 views0 answers0 votes
An electric vehicle has the following attributes: coefficient of rolling resistance CR= 0.0085 and vehicle mass of 2000 kg. Instantaneously at a vehicle speed of 10 km/h, calculate the rolling resistance and power. Let g = 9.81 m/s2
OpenChetan Shidling asked 4 years ago • Electric Vehicle
695 views0 answers1 votes
Compare sinusoidal flux PM ac motor with trapezoidal flux PM ac motor?
OpenChetan Shidling asked 4 years ago • Electric Vehicle
168 views0 answers0 votes
History of electric cars?
AnsweredChetan Shidling asked 4 years ago • Electric Vehicle
284 views1 answers0 votes
How much time it will take for changing operation of motor from one quadrant to other quadrant?
AnsweredChetan Shidling asked 4 years ago • Electric Vehicle
246 views1 answers0 votes
Need for 3 phase to 2 phase transformation and 2 phase to three phase transformation?
OpenChetan Shidling asked 4 years ago • Electric Vehicle
211 views0 answers0 votes
What is the need for gearbox in a vehicle?
OpenChetan Shidling asked 4 years ago • Electric Vehicle
238 views0 answers0 votes
What is a Torque coupling?
AnsweredChetan Shidling asked 4 years ago • Electric Vehicle
437 views1 answers0 votes
What is Aerodynamic drag in vehicle?
AnsweredChetan Shidling asked 4 years ago • Electric Vehicle
279 views1 answers0 votes
Different sources of energy in electric vehicle?
AnsweredChetan Shidling asked 4 years ago • Electric Vehicle
303 views1 answers0 votes
What is a hybrid vehicle?
AnsweredChetan Shidling asked 4 years ago • Electric Vehicle
257 views1 answers0 votes
Explain, how do you determine peak torque and power requirement for a given specifications of EV/HEV
OpenChetan Shidling asked 4 years ago • Electric Vehicle
183 views0 answers0 votes
Explain how do you size an electric machine for a given specification of an electric vehicle
OpenChetan Shidling asked 4 years ago • Electric Vehicle
176 views0 answers0 votes
Explain optimum toque per ampere control of PMSM
OpenChetan Shidling asked 4 years ago • Electric Vehicle
194 views0 answers0 votes
Explain constant torque angle control of PMSM
OpenChetan Shidling asked 4 years ago • Electric Vehicle
374 views0 answers0 votes
With a neat equivalent circuit diagram, illustrate how do we model a PMSM
OpenChetan Shidling asked 4 years ago • Electric Vehicle
176 views0 answers0 votes
Develop a mathematical model of a three-phase inverter with 120o conduction mode feeding RL load
OpenChetan Shidling asked 4 years ago • Electric Vehicle
205 views0 answers0 votes
For a given balanced three phase supply voltage, determine its ‘α’ and ‘β’ voltage components. Plot ‘α’ versus ‘β’ components
OpenChetan Shidling asked 4 years ago • Electric Vehicle
211 views0 answers0 votes
A star connected load of 15Ω per phase is fed from 420V DC Source through a 3-phase bridge inverter. For both (a) 1800 Mode and (b) 1200 Mode, Determine: (i) rms value of load current (ii) load power
OpenChetan Shidling asked 4 years ago • Electric Vehicle
928 views0 answers-1 votes
An electric drive features an 8 pole, SPM machine with the following parameters. Per phase stator resistance Rs = 20 mΩ, machine constant k = 0.3 V/rad/sec, synchronous inductance Ls = 0.2 mH and no-load torque Tnl = 2 Nm. The rated conditions are 80 kW and 280 Nm. (i) Determine the applied per phase voltage and current, machine efficiency and power factor for the following operating points (a) motoring at the rated conditions (b) generating at the rated conditions. Ignore saturation
OpenChetan Shidling asked 4 years ago • Electric Vehicle
677 views0 answers-1 votes
Develop mathematical model of a permanent magnet machine
OpenChetan Shidling asked 4 years ago • Electric Vehicle
157 views0 answers0 votes
With detailed block diagrams for electric propulsion, energy source and auxiliary system, explain general configuration of EV
OpenChetan Shidling asked 4 years ago • Electric Vehicle
852 views0 answers0 votes
How would you control variables in power control strategy to optimize fuel efficiency and driving conditions?
OpenChetan Shidling asked 4 years ago • Electric Vehicle
160 views0 answers0 votes
Explain regenerative breaking of an electric vehicle
OpenChetan Shidling asked 4 years ago • Electric Vehicle
186 views0 answers0 votes
Explain aerodynamic drag and rolling resistance for an electric vehicle
OpenChetan Shidling asked 4 years ago • Electric Vehicle
204 views0 answers0 votes
Compare conventional, hybrid and electric Vehicles in terms of fuel consumption per km
OpenChetan Shidling asked 4 years ago • Electric Vehicle
187 views0 answers0 votes
How to select wire for house?
OpenChetan Shidling asked 4 years ago • Electrical Estimating And Costing
211 views0 answers0 votes
Difference between PMSM and BLDC motor?
AnsweredChetan Shidling asked 4 years ago • Electrical Machines
908 views1 answers0 votes
How to do battery modelling in matlab simulink?
OpenChetan Shidling asked 4 years ago • Battery Management System
283 views0 answers0 votes
Regenerative braking involves
OpenChetan Shidling asked 4 years ago • Electric Vehicle
798 views0 answers-1 votes
The Types of Electric Vehicle Available?
OpenChetan Shidling asked 4 years ago • Electric Vehicle
239 views0 answers0 votes
The electric motor in a hybrid vehicle can also act as
OpenChetan Shidling asked 4 years ago • Electric Vehicle
331 views0 answers-3 votes
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