Unit 3 DI RI A single phase halfwave rectifiar with ac spply of VI = 39a ed to charge a 12V battary trongh a 20 resisto(R1) a showaia the adjacent circuit 16) draw the volkage wavwfora across AB, 17) draw the voltage wavwdorm across CD, 16) daturmine the canduction pariod of Dl;: )v1 19) caleulate the maximu vala of the chrging cumat through RI; 20) caleulate the average valua of the charging curat trongh D 21) caleulate the PIV across DI.

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INDUSTRIAL ELECTRONICS 2

Unit 3
DI
RI
A single phase halfwave rectifier with ac spply of VI = 39V is
used to charge a 12V battary through a 20 resiston(R1) as showaia
dhe adjacent circuit.
16) draw the voltage waveform across AB;
17) draw the voltage wavwform across CD;
18) deturmine the conduction pariod ef DI;
19) caleulate the maximum valua of the charging curat
v1
drough RI;
20) caleulate the averaga vnlua of the charging cumat trough
RI;
21) caleulate the PIV across D1.
For the rectifiar in the figure balow, state the conduction seguma of tha diodas for parioda tl to t6.
D1 D2 D3
22) tl: D. & D.
23) 12: D. & D.
24) t3: D. & D..
25) t4: D. & D..
D4 D5 D6
26) 15: D. & D. 27) tế: D.
&D.
3/6
EID226A
The source inductance of a sis-phase sar rectifer is L5=#phase and te circuit operates from a 50Ha, 330Vase (phasa voltage)
supply. Assume a diode volt drop of 0.6V. If a rigple-free cureat of loc = 4A fows in the load, calculato,
28) the de load voltags
29) the diode PIV rating:
30) the diode de curraat rating
31) the diode rm.s. curent rating. 32) the saply utilisation factor.
A faree-phase bridge rectifiar uses diodas rated at Ids = 103A Va =1000V ad V-0.7V. The rectifier is fad from a
transformer with an indactance of 0,5mH per phasa. Assume infinis inductive flteries and calculate, 33) the maximm DC
Transcribed Image Text:Unit 3 DI RI A single phase halfwave rectifier with ac spply of VI = 39V is used to charge a 12V battary through a 20 resiston(R1) as showaia dhe adjacent circuit. 16) draw the voltage waveform across AB; 17) draw the voltage wavwform across CD; 18) deturmine the conduction pariod ef DI; 19) caleulate the maximum valua of the charging curat v1 drough RI; 20) caleulate the averaga vnlua of the charging cumat trough RI; 21) caleulate the PIV across D1. For the rectifiar in the figure balow, state the conduction seguma of tha diodas for parioda tl to t6. D1 D2 D3 22) tl: D. & D. 23) 12: D. & D. 24) t3: D. & D.. 25) t4: D. & D.. D4 D5 D6 26) 15: D. & D. 27) tế: D. &D. 3/6 EID226A The source inductance of a sis-phase sar rectifer is L5=#phase and te circuit operates from a 50Ha, 330Vase (phasa voltage) supply. Assume a diode volt drop of 0.6V. If a rigple-free cureat of loc = 4A fows in the load, calculato, 28) the de load voltags 29) the diode PIV rating: 30) the diode de curraat rating 31) the diode rm.s. curent rating. 32) the saply utilisation factor. A faree-phase bridge rectifiar uses diodas rated at Ids = 103A Va =1000V ad V-0.7V. The rectifier is fad from a transformer with an indactance of 0,5mH per phasa. Assume infinis inductive flteries and calculate, 33) the maximm DC
EID226A
The source inductance of a six-phase star rectifar is LimHphase ad the circuit operates from a 50Hz, 330VRe (phasa voltage)
supply. Asame a dioda volt drop of 0.6V. Ifa ripple-free curent ofloc = 4A fiows in the load, calculato,
28) the de load voltage
29) the diode PIV rating:
30) the diode de current rating
31) the diode rm. current rating 32) the spply utilisation factor.
A three-phase bridge rectifier uses diodas rated at Ids= 10BA Va =1000V and V-0.7V. The rectifier is fed from a
transformer with an inductance of 0,SmH par phasa. Assuma infsis inducive fitering and calculate, 33) the maximum Dc
ouput cureat; 34) the maxinum DC output voltags, 35) the overlap angla.
The following waveaforms are meaed an the input nd output of a ractifer whila driving a resistive load of 52. For
a givaa vala Is= 59 and tarough malysis of the respective waveforas, specify.
36) the supply frequancy:
37) the peak valus of the iaput voltaga (Vu);
36) the rectifier pulse aumber,
39) the average ounput curruat;
40) the rm.. value of the output cuTeat
41) the rm.a. Value of the harmonics prusant in the cutput curet
42) the ripple curat paak tot pank;
43) the ripple factor of the output cunat
Vm
Input voltage
Ix
Output curreat
4/6
Transcribed Image Text:EID226A The source inductance of a six-phase star rectifar is LimHphase ad the circuit operates from a 50Hz, 330VRe (phasa voltage) supply. Asame a dioda volt drop of 0.6V. Ifa ripple-free curent ofloc = 4A fiows in the load, calculato, 28) the de load voltage 29) the diode PIV rating: 30) the diode de current rating 31) the diode rm. current rating 32) the spply utilisation factor. A three-phase bridge rectifier uses diodas rated at Ids= 10BA Va =1000V and V-0.7V. The rectifier is fed from a transformer with an inductance of 0,SmH par phasa. Assuma infsis inducive fitering and calculate, 33) the maximum Dc ouput cureat; 34) the maxinum DC output voltags, 35) the overlap angla. The following waveaforms are meaed an the input nd output of a ractifer whila driving a resistive load of 52. For a givaa vala Is= 59 and tarough malysis of the respective waveforas, specify. 36) the supply frequancy: 37) the peak valus of the iaput voltaga (Vu); 36) the rectifier pulse aumber, 39) the average ounput curruat; 40) the rm.. value of the output cuTeat 41) the rm.a. Value of the harmonics prusant in the cutput curet 42) the ripple curat paak tot pank; 43) the ripple factor of the output cunat Vm Input voltage Ix Output curreat 4/6
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