Solar Multifunctional Power System

What is a grid-connected multifunctional photovoltaic (PV) system?

In recent years, grid-connected multifunctional photovoltaic (PV) systems have proven to be highly efficient. This system integrates PV panels with a DC–DC boost converter (DC–DC–BC) and the electrical distribution grid (DEG). Linking the PV to the AC-DEG is accomplished through a three-level multifunctional voltage source inverter (MVSI).

What is a self-powered solar PV system?

The latter is a self-powered control technology that forces the SPV system to operate at MPP and thus utilize the maximum power obtainable under time-varying environmental conditions such as solar intensity, temperature, SPV module characteristics and module shading.

How does a solar power system work?

The grid voltage is fed into the phase locked loop, which outputs the angular frequencies of the three-phase voltage signal. The BESS and solar plant output currents are then synchronized to these frequencies. The real and reactive components of the currents Id and Iq are derived using the MATLAB Park transform module.

How are solar plants modeled?

The solar plants are modeled with the existing solar PV array model found in Simulink's Simscape library. Although the actual PV system data is largely unknown, the power output of the PV installations on the circuit was able to be retrieved from the SCE distribution engineering department.

Which modules are used to model PV plants?

Simulink offers a wide variety of different PV array modules to model PV plants. For this model, the PV arrays are modeled with SunPower SPR-415E-WHT-D modules. The IV curve and Power versus Current curves for the 1.5-MW SunPower array are shown in Fig. 7. 2.3. Power converters modeling and filter design

How much power does a 3 MW PV plant produce?

In addition, each module has a maximum power rating of 414.8 W, giving the maximum output power of the plant to be N x M x 414.8 W. For the 3 MW plants, there are two solar arrays, each comprised of N = 20 series connected modules and M = 180 parallel strings. Fig. 6 shows one of the 3-MW PV plants in the system model.