Page 145 - Hybrid-Renewable Energy Systems in Microgrids

Study of control strategies of power electronics during faults in microgrids 129

Figure 7.6 (Continued)

With flexible oscillating power control, the expression for sequence power can be
expressed by:

P v + kQ v −
*
*
P = P , − = q
+
v + 2 + k v − 2 v + 2 + k v − 2
2
2
2
p p (7.48) P+=P*v+v+ +kpv− , P−=kpQ*v−v+ +
2
kpv−
Q v + kQ v −
*
*
+
Q = P , − = q
v + 2 + k v − 2 v + 2 + k v − 2
2
2
q q (7.49) Q+=Q*v+v+ +kqv− , P−=kqQ*v−-
2 2
v+ +kqv−