Q- Select the correct answer:a- The high concentration of holes and electrons in the central junction of a thyristor decreases by theprocess of ................ during off transient period with a time tar. 1- Forced commutation, 2- Phasecommutation, 3- Load commutation, 4- Reverse bias commutation, 5- None of previous.Power Electronicsb- The non-trigger voltage of a thyristor is.............. 1- VBO, 2- VBn, 3- VGn, 4- VGD, 5- None of previous.is the limiting positive anode voltage above which thyristor may be damage. 1- PRV,2- PFV, 3- PAV, 4- PAK, 5- None of previous.C-d- The ripple frequency in the output voltage of single-phase half-controlled bridge AC/DC converter iswhen a > 60°. 1- 3f, 2-6f, 3- 2f, 4- f, 5- None of previous.*********e- The integrator in the firing circuit of 1-phase bridge AC/DC converter is necessary to havefiring angle range. 1-0-90°, 2-0-120°, 3-0-180°, 4-0-360°, 5- None of previous.f The harmonic contents in an inverter can be reduced through the use of modifiedVoltage, 2- Full, 3- Reduced, 4- Commutation, 5- None of previous.g- Continuous current operation in step-down chopper is gained when..............3- ton-ton, 4- tonT,1-√ √LC, 2-2√ √LC, 3-0.5√ √LmC,1-2EClo"2- EClo'

As per our company guidelines we are supposed to answer only first three subpart kindly repost the…

Q- Select the correct answer: a- The high concentration of holes and electrons in the central junction of a thyristor decreases by the process of during off transient period with a time tar. 1- Forced commutation, 2- Phase commutation, 3- Load commutation, 4- Reverse bias commutation, 5- None of previous. ............... b- The non-trigger voltage of a thyristor is C- 1- VBO, 2- VBn, 3- VGn, 4- VGD, 5- None of previous. 1- PRV, is the limiting positive anode voltage above which thyristor may be damage. 2- PFV, 3- PAV, 4- PAK, 5- None of previous.

Q- Select the correct answer: a- The high concentration of holes and electrons in the central junction of a thyristor decreases by the process of during off transient period with a time tar. 1- Forced commutation, 2- Phase commutation, 3- Load commutation, 4- Reverse bias commutation, 5- None of previous. ............... b- The non-trigger voltage of a thyristor is C- 1- VBO, 2- VBn, 3- VGn, 4- VGD, 5- None of previous. 1- PRV, is the limiting positive anode voltage above which thyristor may be damage. 2- PFV, 3- PAV, 4- PAK, 5- None of previous.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Which of the following statements about bridge tip rectifiers is false? A) If the 1-phase type has source inductance, the average value of the output voltage is lower than in the absence of the inductance. B) The average output voltage value of the 1-phase type is 0.9 times the peak voltage of the network. C) none D) There are only odd harmonics in the current drawn by the 1-phase type from the mains. E) The average value of the output voltage of the 3-phase type is larger as the 3-phase and 1-phase types are compared
4- Single phase centre-tape rectifier with 100V peak secondary voltage per coil, energizing 10 Ohms and 2mH inductance with 50Hz source. The output rectified voltage drops to ...of the Vdc. *
Design of a DC-DC Converter. The Circuit Below shows a basic Buck-Boost Converter with a highly inductive Load. With a Deliberate mistake in the configuration of the Circuit Connection. The Value of L1 is 22mH, C1 is 10uF, R1 is 220 and L2 is 10mH. The circuit operates with a switching frequency of 20KHZ. The Duty cycle of the Clock signal V2 is given by the function below: ( 17 ) х0.2 Duty Cycle, k = 0. 55 + 100 Your Unique Duty Cycle = %3D Buck-Boost Converter Q1 IRG4BC10U D1 R1 222 1N4009 C1 LV1 12V L1 22mH 10µF L2 10mH a) Find the mistake in the configuration of the circuit and correct the connection error.
1. Single phase half-wave converter has a purely resistive load of R and delay angle is a= n/2 determine: (a) Rectification efficiency (b) Form factor (c) Ripple factor.
Describing the concept of discontinuous conduction mode in power converters, how does continuous conduction mode differ?Make a DC-DC converter circuit that operates in discontinuous conduction mode.
Bypass diodes are connected in parallel with a solar cell to prevent the discharge of current from the battery to cell during night event. True False
3. A single phase half-wave converter is operated from 230V, 50 Hz source and the load R=1202. For a firing angle of 30°, determine: (a) Rectification efficiency (b) Form factor (c) Voltage ripple factor.
a half-wave rectifier circuit in the figure below has a transformer inserted between the source and the remainder of the circuit. The source is 240 Vrms at 60 Hz, and the load resistor is 20 ohm. (a) Determine the required transformer turns ratio (Ns/Np) so that the average load current is 12 A. (b) Determine the average current in the primary winding of the transformer.
A three phase full wave rectifier is shown below along with the peak input phase voltage Vm=169.7V. The load is purely resistive. The rectifier delivers Ipc = 100 A and the source frequency is 60 Hz. The DC output voltage is Vpc=280.7V and. The RMS transformer secondary current is equal to 81.72A, the output RMS voltage is equal to VRMS=280.93V and the output resistance is equal to 2.8070. The TUF would be equal to: Secondary a平a字a辛 R 太D。太D。太D. Select one: 0.875 Ob. 0.955 O C. 0.551 O d. 0.432 Compared with power transistors, thyristors have the following characteristic
the three phase half wave uncontrolled rectifier is operated from 500v,50Hz supply at secondary side and the load resistance is 25 ohms. if the source inductance is negligible, determine a) rectification efficiency b) form factor c) ripple factor d) transformer utilization factor e) peak inverse voltage of each diode
1) AC power in a load can be controlled by using a. Two SCR's in parallel opposition b. Two SCR's in series c. Three SCR's in series d. Four SCR's in series 2) The advantage of using free - wheeling diode in half controlled bridge converter is that a. There is always a path for the ac current independent of the ac line b. There is always a path for the dc current independent of the ac line c. There is always a path for the dc current dependent of the ac line d. There is always a path for the ac current dependent of the ac line 3) Silicon controlled rectifier can be turned on a. By applying a gate pulse and turned off only when current becomes zero b. And turned off by applying gate pulse c. By applying a gate pulse and turned off by removing the gate pulse d. By making current non zero and turned off by making current zero
Draw the circuit diagram with shape of signal after transformer, after bridge rectifier, with capacitor and with voltage regulator.