Unformatted text preview: using measurements. Q2: a) Why delta-delta, delta-wye connection and wye-delta connections are used more often than wye-wye connections? b) Please give the transformer gains for all these four type connections in terms of the secondary to primary ratio N. Q3: What is a per unit system? Why power systems use the per unit system? Chapter5: (Calculations for insights) Problem #5.8, 5.9, 5.11, 5.12, 5.15....
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- Spring '08
- Magnetic Field, SKIN EFFECT, Electric power transmission, eddy