R. Convert the following octal numbers to binary: (a) 468 (b) 7238 Q. The input waveforms applied to a 4-input AND gate are as indicated in Figure 1. The output of the AND gate is fed to an inverter. Draw the net output waveform of this system. ‹030 X
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- The circuit shown in the figure is an example of A.) AND gate b) SPDT electronic switch C) inverter D) OR gateQ4: Suggest a control gate drive circuit for a Triac, which is used to control a fan regulator. The gate signals should be synchronized with the input voltage. Draw the complete: 1. Circuit diagram with the load and 2. The waveform of the input and output voltages. ) Q.13 Indicate whether the following statements are correct or not then correct the incorrect statements 1) the multi pulse selected notching technique used in inverter is used to eliminate the low order harmonics and to reduce switching frequency, 2) In 3-phase half-controlled half-wave rectifier, the firing angle can be varied from 0 to 180 degrees while in 6-phase half-controlled half-wave rectifier can be varied from 0 to 150 degrees Q.14 Indicate whether the following statements are correct or not then correct the incorrect statements 1) In rectifier circuits, lower pulse number and connecting either primary or secondary of 3- phase winding in delta will reduce the harmonics content of the drawr. current 2) In…The output voltage of a single-phase full bridge voltage source inverter is controlled by unipolar PWM with one pulse per half cycle. For the fundamental rms component of output voltage to be 75% of DC voltage, the required pulse width in degrees (round off up to one decimal place) is
- The input waveform shown in the figure below is applied to an inverter, which is used to operate a light on a control circuit. Draw the timing diagram of the output waveform in proper relation to the input.A full-bridge inverter has a switching sequence that produces a square wave voltage across a series RL load. The switching frequency is 60 Hz, Vdc=100 V, R equals to 10 Ohm, and L equals 25 mH. The average current in the dc source is. Select one: O a. 52 A O b. None of the above O c. 4.41 A O d. 300 AInverters create an ac voltage when only a dc voltage source is available. Select one: O a. True O b. None of the above O c. False Jump to...
- The main function of the inverter is to convert the DC to AC waveforms Select one: a. True O b. FalseThe no. of turns in secondary winding is more than that of primary winding. The output voltage is higher than input voltage. Significantly used in inverters. Indentify what is askedQuestion: In an inverter with fundamental output frequency of 50 Hz, if third harmonic is eliminated, then frequencies of other components in the output voltage wave, in Hz would be Option 1: 50,150,350,450 Option 2: 50,350,450,550 Option 3: 50,100,200,250 Option 4: 50,250,350,550
- Q5. A general analysis of the switch-mode inverter shown in the figure below is to be done. The switching frequency f,, which is also the frequency of the triangular signal is 1450 Hz. The de voltage, Va, is 600 V. Output voltage is sinusoidal voltage with a frequency equal to 50 Hz. TA ADA. TA- ADA- VAN (Figure 8-4 on page 203 from Mohan's Book) a. Find the frequency modulation ratio, mr. b. Why the frequency modulation is chosen as an integer? c. Calculate the output voltage (rms value of first harmonic), when the amplitude modulation ratio, m., is equal to 0.8. d. Compute the rms values of the 5 most dominant harmonics of v4o at m,=0.8. e. Also indicate the frequencies at these harmonics you have found in part d appear.Draw the logic diagram and transistor implementation for a (2-2-2) AOI.2) A single-phase full-bridge inverter has a DC voltage source V = 230 V. The rms value of the fundamental component of the output voltage is a- 90 V. b- 207 V. C- 350 V. d- 196 V.