(i) A Three phase inverter is connected from 210 V , DC supply and operated in 120 mode. Find the following parameters (a) line voltage ( (b) phase voltage (c) fundamental component of line voltage -
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- 4. In three phase Cycloconverter, the reduction factor is given by frequency) / 8 frequency) frequency) / 6 frequency)/3 a) (input frequency/output b) (input frequency/output c) (input frequency/output d) (input frequency/output2. A single-phase to single-phase cycloconverter "bridge type" with input voltage and frequency 150V and 60Hz respectively. The output frequency is 15Hz and the firing angle equal to 90°. The load is resistance with the value of 500. i. Draw the waveforms output voltage, output current, source current, the thyristors currents (iT, IT, IT and in). a. Calculate the rms of output voltage. b. Calculate the rms of output current and thyristor current. ii. If the firing angles of thyristors "with different firing angles technique". Draw the complete waveforms and comment on the results.#4 the input voltage of a three phase inverter is 600Vdc, what is the duty cycle for phase a as a function of time to generate 270cos(ot)V phase voltage? #5 how to generate 460V 400HZ three phase voltages from 460V 60HZ three phase voltage?
- “Electronic regulators are better than resistive ones in many aspects to control AC power” – explain with suitable examples and aspects. Out of on-off and phase control used in AC regulator, describe which one is better and why. Define a cycloconverter and write its application areas.In AC regulator, compare between the (a) resistive and electronic voltage control, (b) On-off and Phase control. Write the needs of cycloconverter with example.(b) A three-phase bridge inverter delivers power to a resistive load from a 350 V dc source. For a star connected load of 5 ohm per phase, determine for both (i) 180° mode (ii) 120° mode of operation: (i) average and rms value of load current (ii) average and rms value of thyristor current (ii) Three phase power dissipation (iv) First five harmonics in phase voltage
- Question: In bridge type stepup cycloconverter during positive half cycle of supply voltage.'Ph' is positive with respect to 'N'. The circuit completes its path as Option 1: N- P2- load - P3 - Ph Option 2: Ph- P2- load - P3 N Option 3: N- P1- load - P2 Ph Option 4: Ph- P1- load- P2 NThree phase inverter is connected from 205 V , DC supply and operated in 120 ° mode . Find the following parameters a) Compare the operation with 180 modeIn developing per-unit circuits of systems such as the one shown in Figure 3.10. when moving across a transformer, the voltage base is changed in proportion to the transformer voltage ratings. (a) True (b) False
- A single-phase to single-phase cycloconverter is supplying and inductive load comprising of a resistance of 52 and an inductance of 40 mH from a 230 V, 60 Hz single-phase supply. If the output frequency is 20 Hz and firing delay angle ap = 120°. Neglecting the harmonic content of load voltage, (a) Explain the Working of the converter (b) Determine the output rms value of output voltage. (c) Rms current of each thyristor. (d) input power factor.help me in these questions pls write the questions with the and by (Computer) 1-Which of the following statements INCORRECTLY explain the label in the figure about LVDT working principles? a. Secondary coils are connected in series in such a way that their output is opposing each other. b. Constant DC voltage input to primary coil. c. Displacement moves ferrous rod from central position. d. The difference of the output voltage between the two secondary voltage.==========2- Explain the working principle of the measurement system in the figure below.i. Force input that is supplied to the sensor is processed to give the response in the form of raw output signal.ii. Signal conditioner manipulated the weak signal to give a conditioned input.iii. Analog or digital indicator display the unit that gives output reading of quantity being measured.iv. Measured value is compared with the input value for further action. a. ii, iii and iv only. b. i, ii and iv only. c. i, ii and…A lossless single phase inverter is connected to AC bus. The real power of AC load is 20 kW and the AC generator nominal power is 12 kW. The efficiency of inverter is 95%. Calculate the required power from inverter. Compute the reactive power of the inverter. The inverter volage is 232 V and the generatorvoltage is 230 V. The decoupling reactance is 0.5 ohm.