The following image and table contain information about the nominal voltage, nominal capacity, and maximum charge and discharge current of the idealized storage.
#HOMER PRO+ HYDRO TURBINE CHARACTERISTICS HOW TO#
To learn more about this model, including how to create your own, see the Idealized Storage Model section of the help. For many pumped hydro systems, the Idealized Storage Model is the most applicable in HOMER. The storage system in this example is based on the Idealized Storage Model. You can convert from flow rate in meters cubed per second to power in kW using the following equation:į is the flow rate in meters cubed per second. Ƞ is the efficiency of the energy conversion, and must consider losses like turbine efficiency, generator efficiency, and hydrodynamic losses. V res is the volume of the reservoir in cubic meters. Ƿ water is the density of water, usually about 1000 kg/m 3. You can use the following equation to calculate the energy storage capacity of a pumped hydro system:Į is the energy stored in joules. The flow rate is the amount of water (meters cubed per second) that flows in or out. The reservoir is located at a certain height above the turbine generator (the head height) to generate potential energy.
It converts the potential energy to electricity by releasing the potential energy to turn the turbine generator when there is a demand.
A Pumped Hydro System builds potential energy by storing water in a reservoir at a certain height when there is excess energy.