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Hello sir, Please send me Tamil Nadu Department of Technical Education board exam question papers of Power system-2 and Power electronics of Diploma engineering.

Hi,

Please find question paper of Power system-2 and Power electronics of TNDEB as attached hereby.

A three-phase double circuit has six conductors located at the corners of a
regular hexagon of side 3 m. Each conductor has a diameter of 31.77 mm. The
line is completely transposed. Find i)the inductive reactance per phase per Km of
the line, and ii) the capacitive reactance to neutral per Km of the line.
If one of the circuits is removed calculate the per unit changes in inductive and
capacitive reactance%u2019s.