Engineering, 19.04.2021 15:30 aidan0824
A 3-phase transformer is assembled by connecting three 85-kVA, 110kV/15kV, single-phase transformers. The primary is connected in delta and the secondary is connected in Y. 1) Draw the winding arrangements of the 3-phase transformer 2) Determine the nominal voltages and power rating of the 3-phase transformer.
Answers: 3
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Engineering, 04.07.2019 18:10
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Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
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Engineering, 04.07.2019 18:20
Determine the damped natural frequencies and the steady state response of a decoupled damped forced two degrees of freedom system. 10ä1 + 2q1 20q1 10 cos t; 10q2 +4q2 + 40q2 10 cos t
Answers: 3
A 3-phase transformer is assembled by connecting three 85-kVA, 110kV/15kV, single-phase transformers...
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