Analysis of the causes of leakage of power storage equipment

Why is reservoir leakage important in pumped storage power stations?

In the normal operation of pumped storage power stations, reservoir leakage, which is a main problem and always influences the safety and economic benefits of the engineering, has attracted substantial attention.

How is leakage estimated at Azad pumped storage power station?

Various studies have estimated the leakage from the upper reservoir of the Azad pumped storage power station using both analytical and numerical methods (Aalianvari et al. 2013; Aalianvari et al. 2014; Aalianvari 2014; Moeini et al. 2018 ).

How do leaks affect energy consumption?

Leaks increase operating costs in terms of lost water and extra energy consumption for all systems, and when a price pattern is implemented, the financial cost of energy can sometimes be traded off with actual energy consumption.

How to calculate the leakage of a reservoir basin?

In addition to the analytical solution, the leakage of the reservoir basin can also be calculated using numerical methods. To compare the numerical solution to the analytical solution, a three-dimensional finite element model was established to calculate the leakage (Fig. 14 ).

What affects the leakage amount of a reservoir basin?

The leakage amount of the basin depends on the permeability of the slab and is not affected by the depth of the groundwater level. Consequently, the leakage from the bottom of the reservoir basin mainly flows vertically into the rock and soil mass.

What type of leakage flows from the bottom of a reservoir?

The leakage from the bottom of the reservoir basin mainly flows vertically into the rock and soil mass, and the zone of the leakage flow is saturated. The leakage from the periphery of the reservoir basin can be grouped into two categories.