Table 3 Performance comparison of different methods

Maximum releasable rotor kinetic energy

Mixed Gaussian distribution

0.0447

0.0900

0.0174

0.9525

Mixed Weibull distribution

0.0299

0.0541

0.0067

0.9828

Mixed t distribution

0.0323

0.0581

0.0078

0.9802

Mixed SGED

0.0239

0.0417

0.0040

0.9898

Mixed GED

0.0277

0.0491

0.0056

0.9859

Primary frequency regulation power reserve

Mixed Gaussian distribution

0.6607

1.4609

0.2481

0.4947

Mixed Weibull distribution

0.2138

0.6901

0.0439

0.8872

Mixed t distribution

0.1254

0.1930

0.0038

0.9912

Mixed SGED

0.0518

0.0788

0.0006

0.9985

Mixed GED

0.1493

0.2566

0.0064

0.9844