Research purposes: The photovoltaic industry is of great significance for the realization of the dual-carbon goal, and the railway department has also introduced corresponding policy documents to support the development of the railway photovoltaic industry. However, the instability of its output has a great impact on the power supply and distribution network and seriously affects the stability of the power grid. The railway load is small but with the high importance, the unstable output of PV system limits the application of PV system in railway power supply system. Therefore, building water system and PV system is integrated to form a kind of self anti-interference control circulatory system among solar, hydroenergy and electricity, to provide stable and controllable electric energy, in the paper.
Research conclusions: (1) The self anti-interference control circulatory system can realize the energy recycling among solar, hydroenergy and electricity. (2) The active power controllable, good waveform of high-quality electric energy, can be used as a constant power source to provide stable electric energy to users. (3) The adaptive loads fluctuation can realize power flow-up control of microgrid output and load fluctuation. (4) The higher utilization rate of PV system can reduce the impact of PV system on the railway electric power supply system. (5) The system can be widely used in fields such as railway electric power supply system, civil building, municipal, etc.
Key words
self anti-interference /
solar-hydroenergy-electricity circulatory system /
railway electric power supply system
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