Modeling and Control Strategy for Multiterminal Flexible DC Distribution Network with Echelon Utilization Power Battery

Figure 18

Waveforms of coordinating control of PV generation and energy storage systems at terminal 4: (a) active power unit value at terminal 4; (b) DC voltage unit value of the DC transformer secondary side at terminal 4; (c) output power unit value of photovoltaic device at terminal 4; (d) output power unit value of energy storage at terminal 4.

(a)

(b)

(c)

(d)