Table 3 Individual Indices result of six PV plants

Effective time fluctuation

Short Time Displacement rate

0.405

0.808

0.530

0.3410

0.552

0.3561

Power fluctuation

Fluctuation Range Ratio

4.395

4.694

4.030

4.325

4.682

4.285

Maximum Positive Fluctuation

0.229

0.299

0.1234

0.231

0.106

0.217

Minimum Negative Fluctuation

−0.237

−0.307

− 0.127

−0.229

− 0.109

−0.216

Transition Degree

0.184

0.160

0.175

0.187

0.197

0.180

Load Matching Degree

0.254

0.209

0.253

0.259

0.251

0.258

Extreme Fluctuation Frequency

0.054

0.104

0.038

0.084

0.104

0.087

Electricity fluctuation

95% Effective Hours(h)

5.013

5.549

3.325

4.808

2.096

4.774

95% Assuring Hours(h)

0.775

0.919

0.459

0.592

0.196

0.574

Electricity Ratio at Peak (MW·h)

0.092

0.041

0.078

0.070

0.015

0.145

Electricity Ratio at Valley (MW·h)

0.027

0.020

0.031

0.021

0.004

0.069