Table 1.
Descriptive statistics of energy redevelopment indictors
| Indicators | Mean | SD | Skewness | Variance |
|---|---|---|---|---|
| Energy storage system | − 0.00111 | 0.002643 | 0.009326 | 0.007341 |
| Energy frequency sensitivity mode | 0.000461 | 0.000518 | − 0.01203 | − 0.00242 |
| Energy supply fault ride through | − 0.00053 | 0.006871 | − 0.00869 | − 0.00046 |
| Fixed speed induction | 0.001554 | 0.000325 | 0.007323 | 0.009575 |
| High voltage ride through | 0.002429 | 0.003045 | − 0.00701 | − 0.00257 |
| Fully converted wind generator supply | − 0.00969 | 0.001737 | − 0.0021 | 0.002627 |
| Internet of things | − 0.0054 | − 0.00141 | − 0.00563 | 0.002266 |
| Photovoltaic | − 0.00352 | − 0.00418 | − 0.00397 | − 0.01935 |
| Low voltage through in thermal plants | 0.002684 | − 0.00087 | 0.010965 | 0.002643 |
| Point of common coupling | 0.005824 | − 0.00174 | − 0.01254 | 0.006516 |
| Rate of change of frequency | − 0.00058 | 0.001065 | − 0.00088 | 0.002241 |
| Transmission system score | − 0.0049 | − 0.00835 | 0.003816 | − 0.00298 |
| Rooter rated speed | − 0.00091 | − 0.00344 | − 0.00272 | 0.002967 |
| Nominal wind energy power | 0.002233 | − 0.00499 | − 0.00822 | 0.006324 |
| Real wind energy power | 0.005306 | − 0.01139 | − 0.01178 | − 0.00251 |
| Power system base | 0.004392 | − 0.0007 | − 0.00328 | − 0.01374 |
| Power generation kilowatts | − 0.00145 | − 0.00103 | 0.012416 | 0.009458 |
| Power generation Megawatts | − 0.00736 | − 0.00293 | − 0.00568 | − 0.00769 |
| Power generation in millisecond | 0.002476 | − 0.00324 | 0.003119 | − 0.02284 |