A three-phase two-winding transformer rated 1200 MVA, 14kV/162kV has a leakage reactance of j0.10 pu. A three-phase load operating under balanced positive phase sequence conditions on the secondary side absorbs 1000 MVA at 3 0.9pf lagging with a terminal voltage of 161kV. Use the given information to answer the following questions: i) Draw a reactance diagram for the circuit. ii. Determine the following: The voltage at the primary when the primary side of the transformer is star connected iii. The voltage at the primary when the primary side of the transformer is delta connected
A three-phase two-winding transformer rated 1200 MVA, 14kV/162kV has a leakage reactance of j0.10 pu. A three-phase load operating under balanced positive phase sequence conditions on the secondary side absorbs 1000 MVA at 3 0.9pf lagging with a terminal voltage of 161kV. Use the given information to answer the following questions: i) Draw a reactance diagram for the circuit. ii. Determine the following: The voltage at the primary when the primary side of the transformer is star connected iii. The voltage at the primary when the primary side of the transformer is delta connected
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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A three-phase two-winding transformer rated 1200 MVA, 14kV/162kV has
a leakage reactance of j0.10 pu. A three-phase load operating under balanced
positive phase sequence conditions on the secondary side absorbs 1000 MVA at 3
0.9pf lagging with a terminal voltage of 161kV. Use the given information to
answer the following questions:
i) Draw a reactance diagram for the circuit.
ii. Determine the following:
The voltage at the primary when the primary side of the transformer is star connected
iii. The voltage at the primary when the primary side of the transformer is delta
connected
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