Table 3 Transient response performance evaluation for different controllers.

From: Optimal voltage and frequency control strategy for renewable-dominated deregulated power network

Type

Controller

PID-FA27

FOPID-MFO28

MPC-HHO29

MPC-LHHO (proposed)

Poolco transaction

PI

ISE1

0.0069

0.0068

0.0015

0.0011

ISE2

2.5358

2.1525

0.9036

0.8524

\(\:\varDelta\:{f}_{1}\)

PO

0.0136

0.0111

0.0305

0.0292

PU

− 0.0636

− 0.0557

− 0.0207

− 0.0207

ST

14 s

20.5 s

8.5 s

8.5 s

\(\:\varDelta\:{f}_{2}\)

PO

0.0034

0.0046

0.0114

0.0048

PU

− 0.0322

− 0.0286

− 0.0242

− 0.0131

ST

19 s

19 s

13 s

12 s

\(\:\varDelta\:{T}_{p12}\)

PO

0.0012

0.0033

0.0152

0.0112

PU

− 0.0214

− 0.0209

− 0.0044

− 0.0036

ST

16 s

16 s

11 s

11 s

\(\:\varDelta\:{V}_{1}\)

PO

0.0

1.049

1.07

1.046

PU

0.0

0.0

0.0

0.0

ST

22.5 s

12.5 s

2.5 s

2 s

Bilateral transaction

PI

ISE1

0.0083

0.0066

0.0032

0.0027

ISE2

3.3465

2.5132

0.7561

0.6036

\(\:\varDelta\:{f}_{1}\)

PO

0.0138

0.0098

0.0219

0.0287

PU

− 0.0534

− 0.0612

− 0.0363

− 0.0212

ST

25.5 s

20 s

22 s

19 s

\(\:\varDelta\:{f}_{2}\)

PO

0.0187

0.0051

0.0269

0.0279

PU

− 0.0689

− 0.0203

− 0.003

0.0

ST

29.0 s

24 s

27 s

16 s

\(\:\varDelta\:{T}_{p12}\)

PO

0.0039

0.0

0.0037

0.0057

PU

− 0.0198

− 0.0265

− 0.0059

− 0.00405

ST

30.0 s

25 s

20 s

19 s

\(\:\varDelta\:{V}_{1}\)

PO

0.0

1.075

1.042

1.041

PU

0.0

0.0

0.0

0.0

ST

25.5 s

20.5 s

2.5 s

1.5 s

  1. Significant values are in bold.