Research Article

Modeling and Coordinated Control Strategy of Large Scale Grid-Connected Wind/Photovoltaic/Energy Storage Hybrid Energy Conversion System

Table 3

ES system component parameters.

ParameterValue

Battery stack
Rated capacity, 200 Ah
Rated voltage, 2 V
Efficiency of a battery, 0.985
Temperature of battery, 25°C
Polarization voltage constant, 0.051
Polarization effect coefficient, 0.011
Voltage change factor, 0.005
Capacity change factor, 0.6
Dynamic link loss factor, 0.05
Number of series modules, 350
Number of parallel modules, 22

FC unit
Rating 1.2 kW
Rated current, 45 A
Rated voltage, 28 V
Number of series modules, 25
Number of parallel modules, 17

Proportional and integral gain of controller
of power controller 5
of power controller0.15
of current controller0.0382
of current controller0.013