Frontiers | Operating characteristics analysis and
To address this issue, the researchers proposed an intermediate buffer system to coordinate the supply side and the user side
The dynamic operation of the system satisfies the energy conservation constraint, that is, the difference between the wind-solar complementary output power generation and the grid-connected power is adjusted by the hybrid energy storage module, which can be expressed as Eq. 26: (2) Equipment operation constraints.
In this paper, a standalone photovoltaic/wind/adiabatic compressed air energy storage based hybrid energy supply system for rural mobile base station is proposed. The renewable solar and wind act as the primary power sources. The adiabatic compressed air energy storage system is employed as an energy buffer to smooth the fluctuant renewables.
A standalone PV/wind/A-CAES based hybrid energy system for rural MBS is proposed. The fan and A-CAES turbine exhaust provide cooling energy besides air conditioner. The performance assessment of the proposed system is carried out. The parametric sensibility and LPSP analysis are implemented.
The results indicate that the 10-min grid-connected volatility is reduced by 38.7% based on the smoothing strategy, and the internal investment return rate can reach 13.67% when the electricity price is 0.04 $/kWh. In addition, the annual coordinated power and cycle proportion of the hybrid energy storage module are 80.5% and 90%, respectively.
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