Optimal Dispatching of New Energy Power Grid with High Penetration Rate under the Background of Big Data

Table 5

Approximate prediction error range of different powers and time scales.

	24 h before	15 min within a day	30 s within a day
Wind power	23%~38%	<4%	<2%
Photovoltaic power	9%~18%	<5%	<2%
Random load	About 8%	<4%	<2%