Answer to Question #156128 in Electrical Engineering for ahmet

Question #156128

Pure resistive of 15 'in 220V-50Hz network, 45º excitation angle

1 phase phase angle controlled AC chopper feeding the load,

a) Draw the circuit diagram exactly, check the current and voltage directions

show on it.

b) Draw the basic waveforms of the circuit with its values.

c) Calculate the basic parameters according to the drawn waveforms.


1
Expert's answer
2021-01-20T17:20:48-0500


From the given question,

"\\alpha=45^\\circ"

"V_{dc}=\\frac{2V_m}{\\pi}\\cos\\alpha"

Now, substituting the values,

"\\Rightarrow V_{dc}=\\frac{2\\times 220}{\\pi}\\cos 45^\\circ"


"\\Rightarrow V_{dc}=\\frac{440}{\\pi}\\frac{1}{\\sqrt{2}}" V


"\\Rightarrow V_{dc}=\\frac{220\\sqrt{2}}{\\pi}" V



Note- The diagram given in the question is not given, so it is based on assumption.


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