Working Principle of Electric Motors

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What are the parameters that determine the predefined sequence of phase excitation in an SRM?

Load on motor (phase current) and rotor position

What is the mathematical expression for the developed electromagnetic torque (T) in an SRM?

T = (i^2 * dL/dθ) / 2

What is a significant advantage of SRMs over other motor types in terms of construction?

Simple and robust construction, requiring minimum maintenance

What is the primary difference in the design of an axial flux SRM compared to a radial flux SRM?

The shape of the stator and rotor changes to a flat-disk from a cylinder, with a larger diameter and smaller shaft length Signup and view all the answers

What is a major shortcoming of SRMs that can be mitigated by the use of power electronic converters?

Dominant torque ripple in output torque Signup and view all the answers

What makes SRMs suitable for application in electric vehicles, despite their shortcomings?

Their reliability, fault tolerance, and ability to operate without rare earth magnets, reducing manufacturing costs Signup and view all the answers

What is an analogous concept to reluctance in electric circuits?

resistance Signup and view all the answers

What is the primary material used to manufacture the Switched Reluctance Motor (SRM)?

Silicon steel Signup and view all the answers

What is the purpose of the stator back iron in an SRM?

to support stator poles Signup and view all the answers

How does the magnetic flux behave in an SRM, leading to torque generation?

like elastic bands, aligning rotor poles with stator poles to minimize reluctance Signup and view all the answers

What is a potential application of Switched Reluctance Motors (SRMs) in the modern industry?

electric vehicles Signup and view all the answers

What is the primary factor that determines the flux path in an SRM?

geometrical design of the magnetic material Signup and view all the answers

What shape is the motor geometry suitable for manufacturing in, and what type of applications is it ideal for?

Disk shape, electric vehicle (EV) hub motor applications Signup and view all the answers

What is the advantage of the radially projecting poles structure in the Axial Flux Switched Reluctance Motor?

Better cooling due to multiple airgaps Signup and view all the answers

What is the flux path in an Axial Flux Switched Reluctance Motor, and how is it represented?

Figure-8, flux path in AFSRM Signup and view all the answers

What is the configuration of the stator coils in an Axial Flux Switched Reluctance Motor, and what are the possible connections?

Multiple stators with single rotor, stator coils from both stators in series or parallel Signup and view all the answers

What is the key advantage of the Axial Flux Switched Reluctance Motor construction, and how does it relate to its application in electric vehicles?

Compact design and better cooling, making it suitable for EV hub motor applications Signup and view all the answers

Working Principle of Electric Motors

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