EXTREMELY URGENT TASK:
Masters Level Report on "Performance of single phase full wave rectifier controlled by PWM"
13 single spaced pages; 550 words per page; with Title Page, Outline and Reference List.
Deadline: As soon as possible.
Semiconductor switching devices produce significant
harmonic voltages as they chop voltage waveform during the
transition between conducting and cutoff stages. Therefore, the main objectives of this report are as follow;
1-PWM switching technique
is proposed to shift the low-order harmonics to higher
frequencies away from the fundamental to be easily filtered.
2-Chopping technique is the control method that will be applied
to shape the output waveform so the output voltage
of the bridge rectifier will be “chopped” in a sequential
manner with a certain number of pulses and duty cycle to
control the flow of current through the [url removed, login to view] it will be used to devolve
the mathematical model.
3-MATHMATICAL MODLING to calculate the coefficients of Fourier series.
4-Calculation of the AC components(harmonics)of the output voltage for both controlled and uncontrolled rectifiers.
Note that additional materials will be provided:
1-papers to explain briefly my project.
2-schematic diagrams for both the controlled and uncontrolled rectifier.
3-A sample of report structure.
DEADLINE: 13TH APRIL, 2011
DEADLINE IS 13TH APRIL
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