If a generator double-line-to-line fault occurs across "b" and "c" to ground, and Ea = 235 VZ0°, Z, = 0.2 2+j 0.15 2, Zn = 02 and Z 0.15 2 +j 0.2 2, find: (a) the sequence current la1 then find lao and laz (b) fault current It (c) the sequence voltages Va1, Va2 and Vao (d) and sketch the sequence network for the line-to-line fault.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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If a generator double-line-to-line fault occurs across "b" and "c" to ground, and
Ea = 235 VZ0°, Z, = 0.2 2+j 0.15 2, Z, = 02 and Z 0.15 2 + j 0.2 2, find:
(a) the sequence current la1 then find lao and la2
(b) fault current l
(c) the sequence voltages Vai , Vaz and Vao
(d) and sketch the sequence network for the line-to-line fault.
Transcribed Image Text:If a generator double-line-to-line fault occurs across "b" and "c" to ground, and Ea = 235 VZ0°, Z, = 0.2 2+j 0.15 2, Z, = 02 and Z 0.15 2 + j 0.2 2, find: (a) the sequence current la1 then find lao and la2 (b) fault current l (c) the sequence voltages Vai , Vaz and Vao (d) and sketch the sequence network for the line-to-line fault.
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