Engineering, 31.12.2019 00:31, nakiyapulley7466
Design a flyback converter for an input of 24v and an output of 40 w at 40 v. the duty ratio d is 0.4. the magnetizing inductor current peak to peak ripple is less than, or equal to 40% of its average inductor current ilm. the output voltage has a peak to peak ripple less than, or equal to 0.5% . assume a switching frequency of 100khz. provide the following: a) the transformer turns ratio, b) the magnetizing inductance, c) the output capacitance d) sketch waveforms of the switch voltage, transformer primary voltage, diode voltage, magnetizing current, switch current, diode current and capacitor current. e) determine the voltage stress, peak current and rms current for the switch f) determine the voltage stress, peak current, average, and rms currents for the diode
(a) n2/n1=2.5: 1,
(b) 57.6µh,
(c) 20µf
(e) 40v, 5.004a, 2.
(f) 2. 1.3006a
Answers: 3
Engineering, 04.07.2019 18:10, meganwintergirl
Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise
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Engineering, 04.07.2019 18:20, samantha636
Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k
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Design a flyback converter for an input of 24v and an output of 40 w at 40 v. the duty ratio d is 0....
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