HOMER Grid 1.9
The Modified Kinetic Battery Model accounts for rate dependent losses, temperature dependence on capacity, and temperature effects on calendar life. The model estimates cycle lifetime using the Rainflow Counting method. The storage components that require the Advanced Storage Module are denoted with the text [ASM] appended to their name.
Properties of the Modified Kinetic Battery
The properties section lists the parameters of the Modified Kinetic Battery Model for the selected battery.
See the Modified Kinetic Battery Model sections of the help for a detailed explanation of these properties.
Site-specific Inputs of the Modified Kinetic Battery
The Site Specific Input section allows you to enter several parameters that could vary from project to project. You can also set multiple values for any of these parameters to perform a sensitivity analysis.
Variable |
Description |
Initial State of Charge (%) |
The state of charge at the start of the simulation, in percent. |
Minimum State of Charge (%) |
The minimum allowed state of charge of the battery during simulation. |
Consider temperature effects? |
Whether HOMER simulates the battery with a fixed internal temperature or uses a lumped thermal model to simulate the battery bank's internal temperature. |
Capacity degradation limit |
The percent degradation in capacity that triggers replacement of the component. The component is replaced when either of the two degradation variables exceed this limit. See Modified Kinetic Battery Model for details. |
Note: To the right of each numerical input is a sensitivity button (
) that allows you to do a sensitivity analysis on that variable. For more information, see Why Would I Do a Sensitivity Analysis?
