Table 3 A qualitative evaluation of reduced model performance characteristics.

From: Constrained search space selection based optimization approach for enhanced reduced order approximation of interconnected power system models

Reduction

methodology

Reduced model

Rise time

%MP

Settling time

RMSE

ISE

IAE

IRE

Original system

0.1593

334.9445

49.503

 

35.0900

Proposed method

\(\frac{{ - 5.9337{s^2} - 6.8337s - 0.2806}}{{{s^3}+0.87103{s^2}+2.3127s+0.2269}}\)

0.1650

316.7763

29.705

0.1969

0.9489

26.5907

34.9921

EDE-IMPPA [17]

\(\frac{{ - 6.039321{s^2} - 6.449375s - 0.224493}}{{{s^3}+0.852702{s^2}+2.262901s+0.188946}}\)

0.1568

330.8830

34.6825

0.2125

2.2519

41.9020

34.9430

BTM-PSO [29]

\(\frac{{ - 5.7942{s^2} - 7.2837s - 0.3321}}{{{s^3}+0.8837{s^2}+2.3668s+0.26598}}\)

0.1689

317.145

26.3026

0.2667

1.2035

30.3526

35.3399

BTM MM [35]

\(\frac{{53.9743{s^2} - 8.8542s - 0.316}}{{{s^3}+0.8837{s^2}+2.3668s+0.26598}}\)

0.0331

1367

21.5813

13.9607

9780.8

776.7433

1919.4

MBTM [36]

\(\frac{{ - 5.7868{s^2} - 7.2364s - 0.316}}{{{s^3}+0.8837{s^2}+2.3668s+0.26598}}\)

0.1611

335.9249

26.4445

0.2895

4.5672

57.5349

35.1391

BTM-MCCF [37]

\(\frac{{ - 6{s^2} - 8.8542s - 0.316}}{{{s^3}+0.8837{s^2}+2.3668s+0.26598}}\)

0.1517

405.7731

27.7947

0.7919

23.5087

88.472

43.8609

RAM-FDM [38]

\(\frac{{ - 3.7637{s^2} - 0.4088s - 0.007712}}{{{s^3}+1.196{s^2}+0.22s+0.006491}}\)

0.3086

148.9522

69.0297

4.1474

119.4952

88.8858

6.3056

LPC-IPAM [39]

\(\frac{{ - 6{s^2} - 2.4734s - 0.0651}}{{{s^3}+0.8272{s^2}+1.035s+0.0549}}\)

0.1674

325.1

46.5477

1.2568

62.0559

79.8370

26.6211

BSPA [40]

\(\frac{{0.08324{s^3} - 6.006{s^2} - 6.709s - 0.245}}{{{s^3}+0.8703{s^2}+2.307s+0.2062}}\)

0.1659

335.303

32.5918

5.9219

2.3310

43.0328

Inf

DPR PSO [41]

\(\frac{{ - 6.2175{s^2} - 5.3563s - 0.0946}}{{{s^3}+0.7812{s^2}+2.3264s+0.08404}}\)

0.1468

326.1983

74.4863

0.7438

18.6384

87.0991

33.9024

  1. * Enhanced differential evaluation (EDE), improved multi-point Pade approximation (IMPPA), balanced truncation method (BTM), particle swarm optimization (PSO), moment matching (MM), modified BTM (MBTM), modified Cauer continued fraction (MCCF), Routh approximation method (RAM), factor division method (FDM), logarithmic pole clustering (LPC), and balanced singular perturbation approximation (BSPA), dominant pole retention (DPR)