Per-Unit System - SlideServe
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Per-Unit System - SlideServe
Per-Unit System. Per-Unit System. Actual value. Quantity per unit =. Base value of quantity. In the per-unit system, the voltages, currents, powers, impedances, and other electrical quantities are expressed on a per-unit basis by the equation:.
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SOLVED: Q1. Explain in detail about the types of faults and the causes and necessity to estimate them.Q2. List the advantages of the Per Unit system.Q3. Consider the one-line diagram of a power system shown below. If a bolted three-phase fault (F) occurs after T1 directly as shown, select a common base of 60MVA and 11KV on the G1 side.11KV 20MVA 15%T1T211KV 10MVA 10%G166KVT330MVA 11:66 kV 150MVA Load F 66:11 kV 15% 2.5MVA 11:66kV 8%Draw an impedance diagram with all impedances, including the loa
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