A step-down delta-star transformer, with per-phase turns ratio of 5 is fed from a 3-phase 1100 V source. The secondary of this transformer is connected through a 3-pulse type rectifier, which is feeding an R load.The power delivered to the load is 6839.3 Watts.The maximum value of the load current is √2 x 22 A.Fin, the rms value of output voltage Vo (rms)

A step-down delta-star transformer, with per-phase turns ratio of 5 is

1.	A step-down delta-star transformer, with per-phase turns ratio of 5 is fed from a 3-phase 1100 V source. The secondary of this transformer is connected through a 3-pulse type rectifier, which is feeding an R load.The power delivered to the load is 6839.3 Watts.The maximum value of the load current is √2 x 22 A.Fin, the rms value of output voltage Vo (rms)
A.	257.3 V
B.	220 V
C.	261.52 V
D.	248.32 V
Answer» D. 248.32 V

Discussion

No Comment Found

Related MCQs

In a 1-phase full wave bridge rectifier with M-2 type of connection has secondary side voltage Vs = Vm sin ωt, with R load & ideal diodes.The expression for the average value of the output voltage can be given by
For a single phase half wave rectifier, the rectifier efficiency is always constant & it is
Find the average value of output current for a 1-phase HW diode rectifier with R load, having RMS output current = 100A.
A step-down delta-star transformer, with per-phase turns ratio of 5 is fed from a 3-phase 1100 V source. The secondary of this transformer is connected through a 3-pulse type rectifier, which is feeding an R load.The power delivered to the load is 6839.3 Watts.The maximum value of the load current is √2 x 22 A.Fin, the rms value of output voltage Vo (rms)
The current ripple factor (CRF) is the ratio of
In a 1-phase full wave bridge rectifier with M-2 type of connection has secondary side voltage Vs = Vm sin ωt,with R load & ideal diodes.The expression for the rms value of the output voltage can be given by
In case of an L filter, the ripple current increases with
A single-phase diode B-2 rectifier is fed from a 250 V, 50 Hz source & connected to a load of R = 400 Ω.Design a capacitor filter such that the ripple factor of the output voltage is less than 5 %. Find the value of the capacitance of the C filter.
A load of R = 60 Ω is fed from 1phase, 230 V, 50 Hz supply through a step-up transformer & than a diode. The transformer turns ratio = 2. The power delivered to the load is
A 3-phase bridge rectifier, has the average output voltage as 286.48 V. Find the maximum value of line voltage

Discussion

No Comment Found

Related MCQs

Reply to Comment