Thyristors are ideal in the circuit in Figure 2. The internal resistances of the sources are neglected, but each has Lk=6 mH ,series leakage inductance is taken into account. At 50Hz, Vˆ= 250V , with an ignition angle of α = 90º and full voltage Id= 8A It is studied with filtered current ( Ly=oo ). a) Find the transmission angle (ü) and transmission time. b) Find the average voltage on the load without neglecting the transfer. The formulas for this circuit and this study are in Annex-1: c)Draw the y v waveform, showing the transmission notches.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter16: Inductance In Ac Circuits
Section: Chapter Questions
Problem 2PP: What frequency must be applied to a 33-mH inductor to produce an inductive reactance of 99.526 ?
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Thyristors are ideal in the circuit in Figure 2. The internal resistances of the sources are neglected, but

each has Lk=6 mH ,series leakage inductance is taken into account.

At 50Hz, Vˆ= 250V , with an ignition angle of α = 90º and full voltage Id= 8A

It is studied with filtered current ( Ly=oo ).

a) Find the transmission angle (ü) and transmission time.

b) Find the average voltage on the load without neglecting the transfer.

The formulas for this circuit and this study are in Annex-1:

c)Draw the y v waveform, showing the transmission notches.

200LI
d
cosa - cos(a+ü):
A₁₁ = coLa
ΔΙ
y de
akt
=
A
T
vy
Videal
y de
=
3√30
2π
cosa
Transcribed Image Text:200LI d cosa - cos(a+ü): A₁₁ = coLa ΔΙ y de akt = A T vy Videal y de = 3√30 2π cosa
Figure 2
v₁ = sin cor
v=sin(ar-120°)
Ve=sin(ar-240')
+
0
cot
Transcribed Image Text:Figure 2 v₁ = sin cor v=sin(ar-120°) Ve=sin(ar-240') + 0 cot
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