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366 CHAPTER 11 Energy Management for PV Installations

Table 11.14 Mathematically Cases Based on Three Switches of PV/Wind
Turbine/Battery System
Switches Powers
Modes
K 1 K 2 K 3 P Renew P batt P load
0 0 0 Mode 5 0 0 0
0 0 1 Mode 3 0 P batt P batt
0 1 0 Mode 4 P Renew 0 P Renew
0 1 1 Mode 2 P Renew P batt P Renew þ P batt
1 0 0 X X X X
1 0 1 X X X X
1 1 0 Mode 1 P Renew 0 P Renew
1 1 1 X X X X

Table 11.15 Simplified Table in the Case of Three Switches of PV/Wind
Turbine/Battery System

Switches Powers
Modes
K 1 K 2 K 3 P Renew P batt P load
0 0 0 Mode 5 0 0 0
0 0 1 Mode 3 0 P batt P batt
0 1 0 Mode 4 P Renew 0 P Renew
0 1 1 Mode 2 P Renew P batt P Renew þ P batt
1 1 0 Mode 1 P Renew 0 P Renew

Table 11.16 Real Cases Based on Three Switches of PV/Wind Turbine/
Battery System
Modes Sources DP SOC K 1 K 2 K 3 P load
Mode 1 PV þ Wind 0 SOC < SOC max 1 1 0 P Renew
Mode 2 PV þ Wind þ <0 SOC > SOC min 0 1 1 P Renew þ
Battery P batt
Mode 3 Battery <0 SOC > SOC min 0 0 1 P batt
Mode 4 PV þ Wind 0 SOC ¼ SOC max 0 1 0 P Renew
Mode 5 / <0 SOC ¼ SOC min 0 0 0 0

4. CONCLUSIONS

In this chapter, EM structures have been presented. In each structure, PV generators
are chosen to be the main source while others are used to obtain the compensation