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Fundamentals of Electric Circuit
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- In a rectifier circuit , DC output voltage and RMS output voltage is 0.3 V & 0.49 V respectively. The form factor of this circuit is ___________________. a. 1.63 b. 3.27 c. 0.61 d. 1.17A resistor Ra is in series with a voltage source Va. Draw the circuit. Label the voltage across the combination as v and the current as i. Draw and label the volt–ampere characteristic (i versus v).is de (c) -Idc de 0 first 2 harmonics of b If ripple-free load current in steady-state is assumed, the input current is waveform of the single-phase full-wave rectifier may then be depicted as shown in the figure above for an ideal input transformer. With the assumption that the supply is ideal and perfectly smooth and ripple free load current, which implies an infinitely large load inductance, it is quite straightforward to obtain an analytical expression for the input current harmonics. The rectangular wave is defined as Ide K f(t)= By using the full range Fourier Series, compute the de when 0In the nominal pi model which among these are divided into two halves? a. Series impedance O b. None of these. c. Shunt capacitance d. Both (A) and (B)A Capacitor filter is used at the output across the load in order to minimize the ripple factor of the output voltage. The expressions of the average output voltage Vpc and the output AC component VAc are given below. If R = 1k2 and the single phase bridge rectifier supplied from a 120V - 50 Hz sinusoidal source, then the capacitor value that will maintain the amount of the output ripples to less than 4% would be equal to: VDC = Vm(4FRC – 1)/4ƒRC) VAC = Vm/(4/2ƒRC) Select one: O a. 63.39uF O b. 33.2uF O c. 93.39UF O d. 126.2uF TOSHIBAQ1. a) Figure Q1 is a single phase 2-level voltage source converter (VSC) with a total DC voltage V-1000V. A PWM scheme, by comparing a reference value with a 1kHz triangular waveform, is used to control the switches S₁ and S2, and output 340v at Vo. With the aid of graphs explain how pulse signals for the switches are generated, sketch the output voltage Vo, determine the duty cycle and the modulation index. Va + 2 it Va d + TS₁ V {1+5₂ = Figure Q1 A single phase VSCis Idc -Idc 0 K de 27 If ripple-free load current in steady-state is assumed, the input current is waveform of the single-phase full-wave rectifier may then be depicted as shown in the figure above for an ideal input transformer. With the assumption that the supply is ideal and perfectly smooth and ripple free load current, which implies an infinitely large load inductance, it is quite straightforward to obtain an analytical expression for the input current harmonics. The rectangular wave is defined as when 0A half-wave rectifier circuit has an input voltage of 60V for the entire swing of the input signal from the secondary winding of the transformer. If the load resistance is 900 and a shunt capacitor is connected therein: 1. Draw the circuit 2. Solve the following unknown values. a. The peak voltage V b. the average output voltage Volave) c. the average load current lolavel, d. the rms load voltage Volcms), e. the rms load current loma) f. the ripple factor RF of the output voltage, g. the rms ripple voltage Vrirms) h. the average diode current ID(ave) i. the rms diode current Ipicms), j. the peak inverse voltage PIV of the diode, k. the average output power Polac 1. the DC output power Po(de) m.the frequency fr of the output ripple voltage, n. the input power factor PF.Devices that pass the signal from its source to the measurement device without aphysical connection by using transformer, optical or capacitive coupling technique arecalled?Select one a. bridgesb. isolatorsc.filters d.rectifiersQUESTION 3 is dc -Lac 0 f(t) = Ide T If ripple-free load current in steady-state is assumed, the input current is waveform of the single-phase full-wave rectifier may then be depicted as shown in the figure above for an ideal input transformer. With the assumption that the supply is ideal and perfectly smooth and ripple free load current, which implies an infinitely large load inductance, it is quite straightforward to obtain an analytical expression for the input current harmonics. The rectangular wave is defined as de 270 when 0< t < π when_πA half-wave rectifier with ohmic load given in the figure below feeds a 50 Q load and the peak value of the source voltage is 311V and the frequency is 50 Hz. Accordingly, find the following desired circuit parameters: a) Effective (rms) voltage of the source, b) the peak current of the load, c) Average stress of the load, d) Average current of the load, e) The effective (rms) voltage of the load, f) Effective (rms) current of the load, g) Power of the load + vD RA half-wave rectifier circuit has an input voltage of 60V for the entire swing of the input signal from the secondary winding of the transformer. If the load resistance is 9on and a shunt capacitor is connected therein: 1. Draw the circuit 2. Solve the following unknown values. a. The peak voltage Vm b. the average output voltage Volave) c. the average load current Iolauel, d. the rms load voltage Vojcmal, e. the rms load current Iotms) f. the ripple factor RF of the output voltage, g. the rms ripple voltage Vrima) h. the average diode current I Diave) i. the rms diode current Ipicmsi, j. the peak inverse voltage PIV of the diode, k. the average output power Polac I. the DC output power Potdc) m.the frequency fr of the output ripple voltage, n. the input power factor PF.SEE MORE QUESTIONSRecommended textbooks for youPower System Analysis and Design (MindTap Course …Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage LearningPower System Analysis and Design (MindTap Course …Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning