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Protection and Control of Modern Power Systems

Table 5 Mean and variance of state variables estimated corresponding to a measurement noise variance of 0.1

From: Optimal load frequency control through combined state and control gain estimation for noisy measurements

K

State variable

Mean

Variance

[2.9943, 0.9940, −80.6344]

ΔPv

0.1284

0.5515

ΔPm

0.1282

0.5677

Δf

−0.0080

1.023 × 10−6

K1

2.9935

6.9818 × 10−5

K2

0.9941

2.6252 × 10− 5

K3

−80.3066

0.0602

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