Question: 2. (a) A two-area power system connected by a tie-line has the following characteristics on a common 1000 MVA base: Area 1 2 R

2. (a) A two-area power system connected by a tie-line has the

2. (a) A two-area power system connected by a tie-line has the following characteristics on a common 1000 MVA base: Area 1 2 R R = 4% R2=5% D D = 0.5 D2=0.8 Each area has a generating unit and these units initially operate in parallel at the nominal frequency of 50 Hz. Suppose the load in Area 2 is increased by 150 MW. Find the new steady-state frequency and the change in tie-line flow. Also, show that the power balance is maintained and explain what happens if Load Frequency Control (LFC) is employed.

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