Hi there, my assignment of Power Electronics is to give a firing angle of 30 degree in Single Phase Half Wave Controlled Rectifier Circuit with RL load in Orcad ( Having only one thyristor '2N1595' ).
and, the same firing angle of 30 degree in Single phase Full wave Controlled Bridge Rectifier Circuit with RL load in Orcad (Having 4 thyristors '2N1595' ).
I have to give the delay using VPULSE !! But, I don't know anything about VPULSE Source in Orcad. Can anybody tell me how can I set the required firing angle using VPULSE source in orcad for the thyristor '2N1595' in the Single phase half wave and, full wave controlled rectifier circuit in orcad ?! I have never worked with thyristors or VPULSE in combination in the Orcad.
I'm having trouble setting up a Vpulse for the firing angles, any help is appreciated ! . I am using ' Vsine ' source in Orcad whose VAMP=220v and whose Frequency=50hz. The Vrms voltage of Sinusoidal Source (Vsine) is equal to ' 115v ' . I can also use a 'Phase Control Circuit' but, I don't know anything about Phase Control Circuit in Orcad. I am using Orcad Version
' 16.6-2015 LITE ' . The value of RL load in both circuits (half wave and full wave is: Resistor=220 Ohm , Inductor=0.8 H ) . The Resistor and Inductor are in Series with each other.
Can anybody tell me what values i have to assign for the PARAMETERS of VPULSE Source in Orcad to obtain the required firing angle of 30 degree for the thyristor '2N1595' in both , Half wave and Full wave controlled rectifier circuits . Can someone kindly explain the Parameters of VPULSE Source and, tell me the Required Values of the Parameters of VPULSE Source
With Calculations for the Firing angle of 30 Degree for the thyristor '2N1595' . Because; I don't know anything about VPULSE source and it's Parameters and, i also don't know anything about how to set firing angle using VPUSLE source !! If anybody can give me Calculations or Values of the different Parameters of VPULSE source for the firing angle of 30 Degree , I would be very Grateful !! And, the explanation of the parameters of VPULSE source is also needed . I am new to Orcad and haven't used it for combination of thyrsitors and VPULSE source to generate Firing angles for thyristors.Help would be much appreciaed !!!
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Set the TD parameter of VPULSE to provide a delay. if I am not mistaken for 50Hz - 1.667mSec delay would make 30-degree firing angle. This would be the same for the single thyristor. For full bridge configuration, you need to configure the all 4 pulses so that desired set (2) of thyristor get fired at the same time. The second set of thyristor which is controlling negative half of sine wave should have 10mSec additional delay in comparison to the first set. So for a 30 degree firing angle two thyristor gate pulse (vpulse) should have TD =1.667mSec and other two should have a delay of 11.667mSec (10m+1.667m).
Thanks mate !
Can you tell me how did you calculate the time delay of 1.667msec for 50hz , to set the firing angle of 30 degree ... Which formula is used for calculating the required time delay for 30 degree and 50hz ?!
And, can you please clarify that how did you calculate that additional 10msec delay is required in full wave controlled bridge rectifier , a total of 11.667msec for full wave bridge rectifier ?! Can you tell me the formula for ' TD=1.667msec ' ( In case of half wave controlled retifier) AND, for ' TD=11.667msec ' ( In case of full wave controlled bridge rectifier ) !!!!
1 second divided by 50 gives the period for one complete cycle of 50Hz, and one complete cycle is 360 degrees.
Hello, I want to do a simulation like yours, but there are errors. Can you tell me how to use VPULSE source to drive the thyristor? Because every circuit must have the same 0 ground, I don't kown how to apart the different ground. If possible, can you sent your modle to me, my email is : shaozhezhang@hust.edu.cn. Thank you very muh!
OK, so what errors are you getting? Include a screen shot of the circuit you have and error message(s) that you get from the simulation.