Effect Of Harmonic Components - Synchronous Generator - MCQs with answers

Effect Of Harmonic Components - Synchronous Generator - MCQs with answers

Q1. For reducing the slot harmonics in an alternator, the length of air gap is

a. Reduced
b. Increased
c. Not related to harmonics
d. None of the above

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Q2. To minimize the harmonics from the voltage waveform, the suitable steps is/are

a. Using distributed type of winding instead of concentrated type
b. Using fractional slot windings
c. Skewing the pole face
d. All of the above

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Q3. If x is the order of harmonic component, then the general expression for distribution factor is

a. xsin(β / 2m) / msin(β / 2x)
b. sin(x β /m) / xmsin(m β / 2)
c. sin(xm β / 2) / msin (x β / 2)
d. xmsin(β / 2) /sin(mx β)

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