Energy storage complementary photovoltaic power generation

Are complementary multi-energy power generation systems a viable solution?

Abstract: Complementary multi-energy power generation systems are a promising solution for multi-energy integration and an essential tool for diversifying renewable energy sources. Despite many studies on developing hybrid renewable energy systems, more research is still needed on applicable models or practical methods.

Why do we need pumped storage capacity in complementary power generation systems?

Oversizing creates an economic burden, while too small a scale diminishes the system’s regulatory capacity. Therefore, the configuration of wind power, photovoltaic power, and pumped storage capacities in complementary power generation systems is particularly crucial.

Can a wind-photovoltaic-storage hybrid energy storage system smooth out fluctuations?

This paper develops an optimal scheduling model for a wind–photovoltaic–storage combined system with a high penetration of renewable energy to leverage the complementary wind and photovoltaic power and the regulation of a hybrid energy storage system to smooth out fluctuations in a combined system.

What is a multi-energy complementary combined system?

The multi-energy complementary combined system includes a wind power station, PV power station, battery energy storage station, pumped storage power station, inverter, and rectifier. A battery energy storage station-pumped storage power station is used as a hybrid energy storage system in a combined system.

How can a multi-energy complementary system operate optimally?

A variety of optimal operation schemes were studied for the multi-energy complementary system by taking pumped storage and thermal power as controllable power sources and considering the operating constraints of each power source and the characteristics of source–load data. The main conclusions are as follows:

How can a complementary power generation system be optimized?

The optimization of the capacity configuration and operation of the complementary power generation system is based on the objectives of maximizing the external transmission channel rate and minimizing the residual load peak–valley difference for the receiving-end grid.