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Resultant waveform of the odd harmonic series
Course:- Electrical Engineering
Reference No.:- EM13336




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Part - 1

Prepare an Excel graph showing the individual components and summated resultant waveform of the odd harmonic series resulting in an approximate square wave.

The series is

199_Resultant waveform of the odd harmonic series.png

Note that t is the time, Em is the peak value of the wave and ω is 2 x ∏ x f.

You should select a value of Em and t to suit your scale, my example uses 50Hz as the basis for simplicity.

A table and graph using MS Excel or Open Office, and submit on paper. 

Part - 2

Make an Excel graph depicting the individual components and summated resultant waveform of the harmonic series resulting in an approximate sawtooth wave.

The series is:

574_Resultant waveform of the odd harmonic series1.png

You should select a value of Em and t to suit your scale, my example uses 50Hz as the basis for simplicity.

Show a table and graph using MS Excel or Open Office.

Part - 3

Excel graph showing an approximate exponential curve for the current through an R-L series circuit.

In this example L is a pure inductance of 100mH and R is a perfect resistor of 10 Ohms and the driving voltage is 10V DC.

Show the value at over several time constants and also identify spot values at t = 1 time constant and t = 3 time constants.

Show a table and graph using MS Excel or Open Office.




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