Heuristic Storage System Sizing for Optimal Operation of Electric Vehicles Powered by Photovoltaic Charging Station

Table 2

Results of the statistical assessment of active power in PV and CSP in winter and spring.

Spring day	A day		An average day
	PV	CSP	PV	CSP
Measurement values per day	86,400	86,400	86,400	86,400
Installed power in kW	116.6	110.8	116.6	110.8
Arithmetic average in kW	16.86	5.41	23.46	3.97
Standard deviation in kW	25.28	11.23	28.13	7.65
Variance in kW^2	639.23	126.06	791.32	58.58
Maximum power in kW	100.61	54.41	85.27	41.12
Minimum power in kW	0.00	0.23	0.00	0.23
Maximum in kW/s	33.08	12.92	6.62	3.02
Energy in kWh	404.72	129.85	563.11	95.18
Energy relation based on load	3.12	1.00	5.92	1.00
Winter day	A day		An average day
	PV	CSP	PV	CSP
Measurement values per day	86,400	86,400	86,400	86,400
Installed power in kW	116.6	110.8	116.6	110.8
Arithmetic average in kW	2.84	5.70	1.29	3.58
Standard deviation in kW	5.90	8.69	2.36	4.69
Variance in kW^2	34.80	75.52	5.59	22.00
Maximum power in kW	51.94	43.37	12.97	25.41
Minimum power in kW	0.00	0.41	0.00	0.46
Maximum in kW/s	5.77	6.17	1.15	1.98
Energy in kWh	68.26	136.88	30.89	85.88
Energy relation based on load	0.50	1.00	0.36	1.00