Chapter: Power System Operation and Control : Real Power Frequency Control
Two Area Systems - Tie-Line Power Model
Consider two inter connected areas as shown in figure operating at the same frequency fl while a power Power flow from area I to area 2
TWO AREA SYSTEMS - TIE-LINE
POWER MODEL
Consider two inter connected areas as shown in
figure operating at the same frequency fl while a power Power flow
from area I to area 2
let V1 and V 2 be the voltage
magnitudes
δ1, δ 2 voltage phase angles at the two
ends of the tie-line While P flows from area I to area 2 then,
Where X is the reactance of the line. If the
angles change by f1o1, and f102 due to load changes in areas I and 2 respectively.
Then, the tie-line power changes by
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Power System Operation and Control : Real Power Frequency Control : Two Area Systems - Tie-Line Power Model |
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Power System Operation and Control : Real Power Frequency Control