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Protection and Control of Modern Power Systems

Table 4 The performance specification of the EPS for scenario 2

From: Optimized coordinated control of LFC and SMES to enhance frequency stability of a real multi-source power system considering high renewable energy penetration

Scenario 2

With SMES-based optimal PI controller

With SMES

Without SMES

MUS (pu)

MOS (pu)

TS (s)

MUS (pu)

MOS (pu)

TS (s)

MUS (pu)

MOS (pu)

TS (s)

+ 50%

1.857 × 10−3

0.0

15.848

7.548 × 10− 3

6.150 × 10−5

23.424

1.266 × 10− 2

2.209 × 10− 3

26.723

-50%

1.982 × 10− 3

0.0

17.935

9.692 × 10− 3

1.249 × 10− 4

38.820

2.237 × 10− 2

2.042 × 10− 3

41.019

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