Electrical Single Line Diagram

How to Read and Understand an Electrical Single Line Diagram?

Learn Generator Single Line Diagram and Trip Matrix

SOLVED: Figure given below shows the single-line diagram of a three-bus power system with generators at bus 1 and bus 2. All data is given in per unit (pu).a) Using the Newton-Raphson method, determine the phasor values of the voltage at load buses 2 and 3 and the voltage magnitude at bus 3 (one iteration only) (20).b) Find the real and reactive power at the slack bus (10).c) Determine the line flows and line losses (5).

SOLVED: Consider the single line diagram of the power system shown in the figure. The rated values of the equipment used are as follows:Generator 1: Generator 2: Synchronous motor 3: 3-phase A-Y transformers T1, T2, T3, T4: 3-phase Y-Y transformer Ts: 1000 MVA, 18 kV, X = 0.2 p.u. 1000 MVA, 18 kV, X = 0.2 p.u. 1500 MVA, 20 kV, X = 0.2 p.u. 1000 MVA, 500 kV, Y/2o kV, X = 0.1 p.u. 1500 MVA, 500 kV, Y/2o kV, Y, X = 0.1 p.u. 150 n 125 Ω 125 Ω 738 Ω T

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