Variable charge/discharge time-interval control strategy of BESS for wind power dispatch

Abstract

Abstract:A variable charge/discharge time-interval ( T C/D ) control strategy of a battery energy storage system (BESS) for wind power dispatch is proposed in this paper, aiming at: 1) extending the BESS life, 2) reducing the total BESS energy loss, and 3) increasing the dispatch tracking accuracy. A multifactor life model of a large-scale BESS containing four factors, charge/discharge rate, times, T C/D , and temperature, is developed, which has taken into account the cell series/parallel effects and BESS operational characteristics. A comprehensive evaluation system including BESS aging level (BAL), energy loss index (ELI), and tracking inaccuracy index (TII) is proposed, and the relationships between

A robust SMES control for enhancing stability of distribution systems fed from intermittent wind power generation

“…From another perspective, energy storage systems (ESSs), such as batteries [19,20], flywheels [21,22], pumped hydro [23,24], etc., were employed in the literature for solving the frequency and voltage fluctuation problems. This can be done through charging and discharging operations of the ESSs to balance the power between RERs and loads.…”