An Optimal Control Strategy for DC Bus Voltage Regulation in Photovoltaic System with Battery Energy Storage

Table 1

PV module parameters.

Model parameter	Value	Symbols [17]
Cell type	6′′ multicrystalline silicon	—
Number of cells and connections	60 in series	—
Short circuit current at ^aSTC	8.3 A	𝐼sc,𝑟
Open circuit voltage at STC	36.7 V	𝑉oc,𝑟
Maximum power current at STC	7.7 A	𝐼mpp,𝑟
Maximum power voltage at STC	29.2 V	𝑉mpp,𝑟
Current temperature coefficient	0.004 A/K	𝑘𝐼
Voltage temperature coefficient	−0.1 V/K	𝑘𝑉
Diode ideality factor	1.5	𝛼
Electron charge	1.602×10^−19 C	𝑞
Boltzmann’s constant	1.380×10^−23 J/K	𝑘

aSTC: standard test condition.