Which medium is used for heat storage?

The most commonly utilized mediums for heat storage are solar salt and HITEC salt. The parameters of the molten salt are presented in Table 2. Table 2 The characteristics of the molten salt. 30% of the energy carried by high-temperature steam is sensible heat, while 70% is latent heat.

Is liquid air energy storage a large-scale electrical storage technology?

Liquid air energy storage (LAES) has been regarded as a large-scale electrical storage technology. In this paper, we first investigate the performance of the current LAES (termed as a baseline LAES) over a far wider range of charging pressure (1 to 21 MPa).

What is the maximum heat storage capacity for multi-steam source heating?

In the multi-steam source heating storage mode, the maximum heat storage capacity is elevated to 50 MW, with a peak shaving depth of 13.2%. Notably, the maximum depth of peak shaving under both heating modes is comparable; however, the heat storage capacity is greater in the multi-steam source heating configuration.

What is the maximum heat storage capacity?

With heat storage capacities of 30 MW and 50 MW, the maximum heating loads are 293.98 MW and 311.46 MW, respectively. As heat release capacity increases, the peak capacity for promoting load also rises, expanding the control range of power generation load, and gradually shifting the thermoelectric characteristic curve upward.

What is a multi-steam source heating storage mode?

Under the multi-steam source heating storage mode, a portion of live steam and reheat steam is extracted into a heat exchanger for sensible heat exchange with cold molten salt. Following this heat exchange, the cold molten salt is converted into hot molten salt with improved liquidity. The hot molten salt is then stored in a tank for heat storage.

What is a single steam source heating storage approach?

In the single steam source heating storage approach, the sensible heat of high-temperature steam is utilized, while low-temperature steam is discharged into the condenser without further use after heat exchange, leading to increased cold-source losses and a decrease in thermal efficiency.