The three-phase power and line-line ratings of the electric power system is shown in the figure below Line Ve M G1: 65 MVA 20 kV X = 9% T1: 55 MVA 20/200 kV X = 10% T2: 55 MVA 200/20 kV X = 10 % M: 48.2 MVA 18 kV X = 8% Line: 200 kV Z = 120 + j2002 a) Draw an impedance diagram showing all impedances in per-unit on a 100 MVA base. Choose 20 kV as the base for generator b) The the motor is drawing 45 MVA, 0.8-power factor lagging at a line to line terminal voltage of 18 kV. Determine the terminal voltage and the internal emf of the generator in pu and in kV

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Latches and Flip Flop

Just like logic gates, the latches and flip-flops are the important elements of an electronic circuit. The logic gates form the important part of combinatorial circuits, while the latches and flip-flops form the essential part of a sequential circuit. Sequential circuits form the important concept of automata theory in electronics and electrical engineering, these circuits are a kind of logic circuit whose output depends on both present input and past inputs, that is, the input history.