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For a pure AC signal the THD will have the value of Zero?
Answeredchetan shidling asked 4 years ago • Power Electronics
270 views1 answers0 votes
What are the harmful effects of Harmonics (select which are appropriate)?
Answeredchetan shidling asked 4 years ago • Power Electronics
348 views2 answers0 votes
What is the value of Voltage Ripple Factor for a desired dc output signal?
Answeredchetan shidling asked 4 years ago • Power Electronics
356 views1 answers0 votes
What is the value of form factor for a pure dc signal?
Answeredchetan shidling asked 4 years ago • Power Electronics
266 views1 answers0 votes
What is a TAV Controller?
Answeredchetan shidling asked 4 years ago • Power Electronics
324 views1 answers0 votes
FCS–MPC full form is?
Answeredchetan shidling asked 4 years ago • Power Electronics
638 views1 answers0 votes
SVPWM full form in electronics
Answeredchetan shidling asked 4 years ago • Power Electronics
311 views1 answers0 votes
PWM full form?
Answeredchetan shidling asked 4 years ago • Power Electronics
309 views1 answers0 votes
What is a full form of TAV?
Answeredchetan shidling asked 4 years ago • Power Electronics
343 views1 answers0 votes
What is a SVPWM, Space Vector PWM?
Answeredchetan shidling asked 4 years ago • Power Electronics
342 views1 answers0 votes
Why MOSFET is known as fast switching device?
AnsweredShilpa annigeri asked 4 years ago • Power Electronics
323 views1 answers0 votes
Electrical
OpenShilpa annigeri asked 4 years ago • Power Electronics
239 views0 answers0 votes
What are the effects of Harmonics?
Answeredchetan shidling asked 4 years ago • Power Electronics
215 views0 answers0 votes
What is a EMI in electrical? Electromagnetic Interference?
Openchetan shidling asked 4 years ago • Power Electronics
224 views0 answers0 votes
Design the magnetizing inductance for the fly-back converter to produce an output voltage 36 V from a 3.3 V source. The output current is 0.1A. The duty ratio of the switch is 0.4 and inductor current variation is 40% of average current. Assume the switching frequency of the switch to be 100 KHz?
Openchetan shidling asked 4 years ago • Power Electronics
185 views0 answers0 votes
Difference between CCM and DCM, Continuous Conduction Mode & Discontinuous Conduction Mode?
Answeredchetan shidling asked 4 years ago • Power Electronics
1245 views1 answers0 votes
The net change in the inductor current over one complete switching cycle is
Answeredchetan shidling asked 4 years ago • Power Electronics
281 views1 answers0 votes
When the current flows through undotted terminal in the primary side the current will exit through dotted terminal in the secondary side
Answeredchetan shidling asked 4 years ago • Power Electronics
281 views1 answers0 votes
What is a SEPIC in power electronics?
Answeredchetan shidling asked 4 years ago • Power Electronics
282 views1 answers0 votes
With neat circuit diagram and phasor diagram, explain the operation of three phase VSI working as rectifier.
Openchetan shidling asked 4 years ago • Power Electronics
212 views0 answers0 votes
Compare a three phase VSI with square wave switching over SPWM switching for maximizing inverter output VA.
Openchetan shidling asked 4 years ago • Power Electronics
230 views0 answers1 votes
With neat circuit diagram and important waveforms, explain the operation of three phase inverter with programmed harmonic elimination switching.
Openchetan shidling asked 4 years ago • Power Electronics
300 views0 answers0 votes
With neat circuit diagram and important waveforms, explain the operation of three phase current controlled VSI operating with constant switching frequency
Openchetan shidling asked 4 years ago • Power Electronics
199 views0 answers0 votes
In a full bridge inverter, if Vd = 300 V, ma = 0.8, mf = 39, and the fundamental frequency is 47 Hz. Calculate the rms values of the fundamental-frequency voltage and some of the dominant harmonics in the output voltage Vo.
Openchetan shidling asked 4 years ago • Power Electronics
290 views0 answers0 votes
With neat circuit diagram and waveforms, explain single phase inverter with uni-polar switching scheme.
Openchetan shidling asked 4 years ago • Power Electronics
224 views0 answers0 votes
Why and how the output voltage of SPWM inverters varies linearly with modulation index ma ≤ 1.0?
Openchetan shidling asked 4 years ago • Power Electronics
247 views0 answers0 votes
With neat circuit diagram and waveforms, explain the operation of the push-pull inverter with a pure inductive load.
Openchetan shidling asked 4 years ago • Power Electronics
229 views0 answers-1 votes
Explain the complete DC power supply with neat block diagram?
Openchetan shidling asked 4 years ago • Power Electronics
228 views0 answers0 votes
A push-pull dc-dc converter has the following parameters which are operating in CCM: Source voltage is 50 V, ratio of primary to secondary turns is 2, filter inductance value is 60 µH, filter capacitor value is 40 µF, load resistance is 8 Ω, switching frequency is 150 kHz and switch duty ratio is 0.35. Determine (i) the output voltage, (ii) the maximum and minimum inductor currents and (iii) the output voltage ripple. For what value of load resistance this converter will operate in discontinuous conduction mode?
Openchetan shidling asked 4 years ago • Power Electronics
476 views0 answers-1 votes
Explain how the power factor correction can be achieved in power supplies?
Answeredchetan shidling asked 4 years ago • Power Electronics
262 views1 answers0 votes
Design the forward converter to have continuous inductor current which is having the output 5V with the input 170V. The output current is 5A.The output voltage is less than the 1%. Choose the transformer turns ratio, switching frequency and calculate the duty cycle. Given rc=10E-5 / C
Openchetan shidling asked 4 years ago • Power Electronics
204 views0 answers0 votes
Explain the operation of the current fed converter with relevant waveforms and derive the relationship between input and output voltage
Openchetan shidling asked 4 years ago • Power Electronics
200 views0 answers0 votes
Explain with neat circuit operation of half bridge converter with relevant waveforms?
Openchetan shidling asked 4 years ago • Power Electronics
214 views0 answers0 votes
Explain with neat equivalent circuits, the operation of the fly-back converter in DCM with relevant waveforms.
Openchetan shidling asked 4 years ago • Power Electronics
207 views0 answers0 votes
The current fed converter has an input inductor Lx that is large enough. The source voltage is 30 V and the load resistor is 6 Ω. The duty ratio of each switch is 0.7 and the transformer turns ratio is 2. Assume that source current is constant. Determine (i) the output voltage (ii) current in Lx and (iii) maximum voltage across each switch.
Openchetan shidling asked 4 years ago • Power Electronics
205 views0 answers0 votes
PWM techniques will result in increased filter requirement in the inverter circuit?
Answeredchetan shidling asked 4 years ago • Power Electronics
239 views1 answers0 votes
The frequency of the control signal is 60Hz, when frequency modulation index is 17. What is frequency of carrier signal.(Answer in number only)
Answeredchetan shidling asked 4 years ago • Power Electronics
276 views1 answers0 votes
A bipolar PWM will produce a 75 V rms 60 Hz output from 150 V dc source. What is the required amplitude modulation index?
Answeredchetan shidling asked 4 years ago • Power Electronics
476 views1 answers-2 votes
PWM Technique will reduce the total harmonic distortion in output signal.
Answeredchetan shidling asked 4 years ago • Power Electronics
283 views1 answers0 votes
What is the amplitude of the modulating signal when amplitude modulation index is 0.8 and amplitude of carrier signal is 100.
Answeredchetan shidling asked 4 years ago • Power Electronics
288 views1 answers0 votes
What is a over modulation?
Answeredchetan shidling asked 4 years ago • Power Electronics
264 views1 answers0 votes
Formula for Frequency Modulation Index?
Answeredchetan shidling asked 4 years ago • Power Electronics
340 views1 answers0 votes
Formula for amplitude modulation index?
Answeredchetan shidling asked 4 years ago • Power Electronics
262 views1 answers0 votes
What is a synthesis of a sinusoidal output by PWM?
Openchetan shidling asked 4 years ago • Power Electronics
187 views0 answers0 votes
What is a amplitude modulation?
Answeredchetan shidling asked 4 years ago • Power Electronics
292 views1 answers0 votes
What is the use of Fourier series?
Answeredchetan shidling asked 4 years ago • Power Electronics
255 views1 answers0 votes
Why diodes are used in full bridge inverter?
Openchetan shidling asked 4 years ago • Power Electronics
249 views0 answers0 votes
What is a one leg of a switched-Mode DC-AC Inverter?
Openchetan shidling asked 4 years ago • Power Electronics
219 views0 answers0 votes
What is a switched mode inverter?
Openchetan shidling asked 4 years ago • Power Electronics
219 views0 answers0 votes
What is a motor drive with unidirectional power flow?
Openchetan shidling asked 4 years ago • Power Electronics
217 views0 answers0 votes
What are the applications of switched mode inverter?
Answeredchetan shidling asked 4 years ago • Power Electronics
248 views1 answers0 votes
What are the objectives of switched mode inverters?
Answeredchetan shidling asked 4 years ago • Power Electronics
510 views1 answers0 votes
What is a contaminated signals?
Answeredchetan shidling asked 4 years ago • Power Electronics
302 views1 answers0 votes
Why there is a requirement of variable frequency?
Answeredchetan shidling asked 4 years ago • Power Electronics
262 views1 answers0 votes
What is a control signal?
Openchetan shidling asked 4 years ago • Power Electronics
196 views0 answers0 votes
What is a carrier signal?
Answeredchetan shidling asked 4 years ago • Power Electronics
442 views1 answers0 votes
Fly back converter is derived from which converter?
Answeredchetan shidling asked 4 years ago • Power Electronics
297 views1 answers0 votes
The push-pull converter has parameters Vs=30V, D=0.3, Np/Ns =2, R=6Ω, Lx=0.5mH, C=50µF and switching frequency is 10kHz.
Answeredchetan shidling asked 4 years ago • Power Electronics
1587 views2 answers1 votes
Dc power supply Qs
OpenPrashant asked 4 years ago • Power Electronics
279 views0 answers0 votes
Design a forward converter to meet the following specifications: Source voltage =170V, output voltage= 48 V, output power = 150 W. Assume initial duty ratio of the switch to be 0.35, N1/N3 = 1, switching frequency to be 300kHz.
Answeredchetan shidling asked 4 years ago • Power Electronics
664 views1 answers0 votes
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