Table 5 Qualitative comparison of reduced model performance parameters.

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

Reduction method

Reduced model

Rise time

Settling Time

RMSE

IAE

ISE

IRE

Original system

0.5432

2.2754

 

1114.6

Proposed model

\(\frac{{153.0001{s^2}+4675.0253s+5053.1019}}{{{s^3}+33.8382{s^2}+451.2026s+396.9622}}\)

0.5210

2.2313

0.2248

0.4847

0.0084

1111.2

BTM MM [35]

\(\frac{{178.5{s^2}+4383s+4807}}{{{s^3}+32.19{s^2}+425.4s+377.6}}\)

0.5873

2.2805

0.7316

1.1655

0.1668

1239.8

BTM MCCF [37]

\(\frac{{146.4{s^2}+4383s+4807}}{{{s^3}+32.19{s^2}+425.4s+377.6}}\)

0.5473

2.2409

0.2438

0.5246

0.0131

1084.8

RAM FDM [38]

\(\frac{{90.8393{s^2}+319.0089s+246.0839}}{{{s^3}+9.662{s^2}+29.21s+19.33}}\)

0.2576

2.4747

2.7833

11.1759

15.7164

624.5073

R-method-GWOA [43]

\(\frac{{146.8{s^2}+4434s+4652}}{{1.037{s^3}+29.34{s^2}+431.2s+365.4}}\)

0.1426

2.4254

0.3568

2.9079

0.3718

1181.2

Routh Padé- HSA [44]

\(\frac{{148.1{s^2}+4399s+4726}}{{{s^3}+29.91{s^2}+429.2s+372}}\)

0.6129

2.3633

0.2607

14.9276

0.6146

1169.7

MPC FDM [45]

\(\frac{{127.0488{s^2}+4577.955s+5096.34132}}{{{s^3}+28.0758{s^2}+445.5854s+400.3255}}\)

0.1286

2.2824

0.6872

1.7006

0.382

1184

SEM MM [46]

\(\frac{{77.409{s^2}+271.5471s+209.4501}}{{{s^3}+8.2314{s^2}+24.8638s+16.4524}}\)

0.2704

2.5247

3.5486

14.2999

24.1149

563.8535

MPC [47]

\(\frac{{107.81735{s^2}+4590.7s+5096.4132}}{{{s^3}+31.0758{s^2}+448.5854s+400.3255}}\)

0.5566

2.2553

1.2803

0.8024

0.1015

1004.7

  1. * Grey wolf optimization algorithm (GWOA), modified pole clustering (MPC), harmony search algorithm (HAS).