topotherm.single_timestep

This module contains the optimization models for the single-timestep district heating network design.

Functions

  • annuity : Calculate the annuity factor.

  • model : Create the optimization model for the single time-step operation.

Functions

annuity(c_i, n)

Calculate the annuity factor.

model(matrices, sets, regression_inst, ...)

Create the optimization model for the thermo-hydraulic coupled with

Module Contents

topotherm.single_timestep.annuity(c_i, n)[source]

Calculate the annuity factor.

Parameters:

  • c_i (float) – Interest rate.

  • n (float) – Number of years.

Returns:

Annuity factor.

Return type:

float

topotherm.single_timestep.model(matrices, sets, regression_inst, regression_losses, economics, optimization_mode)[source]

Create the optimization model for the thermo-hydraulic coupled with single time step operation.

Parameters:

  • matrices (dict) – Dictionary with the matrices of the district heating network with keys a_i, a_p, a_c, l_i, position, q_c.

  • sets (dict) – Dictionary with the sets for the optimization, obtained from matrices.

  • regression_inst (dict) – Dictionary with the regression coefficients for the thermal capacity.

  • regression_losses (dict) – Dictionary with the regression coefficients for the heat losses.

  • economics (topotherm.settings.Economics) – Object with the economic parameters.

  • optimization_mode (str) – Optimization mode, either 'economic' for economic or 'forced' for forced operation.

Returns:

pyomo model.

Return type:

pyomo.environ.ConcreteModel