Photovoltaic Power Prediction Based on Scene Simulation Knowledge Mining and Adaptive Neural Network

Table 2

Prediction error for different day styles.

Time	Winter			Spring			Summer			Fall
	Rainy day	Cloudy day	Sunny day	Rainy day	Cloudy day	Sunny day	Rainy day	Cloudy day	Sunny day	Rainy day	Cloudy day	Sunny day
7	—	—	—	52.4	34	20.4	30.4	22	15.4	35.4	20	10.5
8	36.2	20.5	12.5	30.4	25.1	11	24.5	15.4	0.5	23.4	21.4	2.4
9	36	24	12.7	32.4	23	12.3	11.5	16.4	0.8	31.4	22	4.6
10	37.6	23.7	10.4	35	21	10.4	20.4	12	2.1	30	21.4	0.8
11	41.8	20.7	16.5	34.8	26.4	14	15.3	10.5	1.5	28.6	20.1	10.5
12	30.5	26.4	15.4	30.4	22.4	10.5	12.5	13	1.4	27.5	15.2	5.4
13	25.4	24.5	18.4	31.2	15.4	11.4	10.5	5.6	1.6	30.4	10.5	12
14	27.5	20.1	12	24.3	13.4	5.4	25.6	8.4	2.4	25	5.4	4.5
15	35.1	23.5	11	38.1	20.7	8.6	24.1	8.6	1.8	34	15.4	16.4
16	39	24	10.3	25.7	22	7.1	29.5	10.7	0.7	29	18.6	11.4
17	32.8	22	11.7	30.4	15.3	10.8	26.4	11	1.4	27	14.2	10.5
18	33.4	20.4	6.7	30	14.5	6.3	22.7	13	1.8	34.5	10.4	2.4
Average	34.1	22.7	12.5	32.9	21.1	10.7	21.1	12.2	2.6	29.7	16.2	7.6