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fix: Protect Turbine control signal against division by zero error #56

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Merged
dietmarw merged 1 commit into from
Jan 4, 2024
Merged

fix: Protect Turbine control signal against division by zero error #56

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2 changes: 1 addition & 1 deletion OpenHPL/ElectroMech/Turbines/Turbine.mo
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ equation
look_up_table.u[1] = u_t "Link the guide vane opening";
C_v_ = if ValveCapacity then C_v else Vdot_n/sqrt(H_n*data.g*data.rho/data.p_a)/u_n
"Define guide vane 'valve capacity' base on the Nominal turbine parameters";
dp = Vdot ^ 2 * data.p_a / (C_v_ * u_t) ^ 2 "Turbine valve equation for pressure drop";
dp = Vdot ^ 2 * data.p_a / (C_v_ * max(1e-6, u_t)) ^ 2 "Turbine valve equation for pressure drop";
dp = i.p - o.p "Link the pressure drop to the ports";
Kdot_i_tr = dp * Vdot "Turbine energy balance";
if ConstEfficiency then
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