Modelling of Photovoltaic Generators Based on a Linarized Equivalnet Circuit

Abstract

In this paper, a new method on modeling of PV generators, for association with electromagnetic software programs, is proposed. The application of a linearization process, on nonlinear and well-tested current-voltage equations using Taylor's scheme, leads to uncoupling of the current and voltage quantities in each time step of a digital simulation. This uncoupling is represented by a linearized equivalent electrical circuit. Using the proposed equivalent photovoltaic generator circuit, the application of nodal analysis on equivalent resistive circuits derives a photovoltaic system model of linear algebraic equations. This remarkably simplifies photovoltaic systems modeling because one can develop a photovoltaic generator element in electromagnetic transient programs for power systems analysis.

Degradation effects on single crystalline silicon photovoltaic modules subjected to high impulse‐voltages

“…In this section, the experimental results are compared with theoretical estimations based on the equivalent circuit model presented in [50][51][52]. Equation 3was used so that I-V and P-V characteristic curves (under STC) could be drawn before and after each voltage tests on module A.…”

Battery Storage at the Secondary Distribution Electricity Grid by Investigating End-Users Load Demand Measurements

“…To successfully integrate BESS in the distribution grid level, more future work needs to be conducted on power quality improvement, energy management, grid support, and system reserves because of their important role on system stability and operability. Especially in the presence of solar PV installations in which power harmonics are present [24], although hosting capacity is expected to be improved [25], special attention needs to be taken in order to keep low levels of total harmonic distortion [26] because of transformer slow front transients [27]. Furthermore, the utilization DC/DC and DC/AC converters in combination to the associated filters might lead to high frequency overvoltage [28] for which the system parameters such as the loading conditions and the cabling have a critical role in the transformer insulation health [29].…”