List of Abbreviations

List of Abbreviations over all the components

Symbols

Description

Unit

\(P_{ch,h_2s}\)

Charge power for the hydrogen storage

\(W\)

\(P_{dis,h_2s}\)

Discharge power for the hydrogen storage

\(W\)

\(P_{ch}\)

Charge power for the battery system

\(W\)

\(P_{dis}\)

Discharge power for the battery system

\(W\)

\(C_{Q_c}\)

Costs/impacts of cooling demand

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{Q_h}\)

Costs/impacts of heating demand

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{P_el}\)

Costs/impacts of electrical demand

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{H_2S}\)

Costs/impacts of hydrogen storage

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{ES}\)

Costs/impacts of electrolysis

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{FC}\)

Costs/impacts of fuel cell

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{Wind}\)

Costs/impacts of wind power system

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{Boil}\)

Costs/impacts of boiler

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{CHP}\)

Costs/impacts of combined heat and power system

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{CT}\)

Costs/impacts of cold tank

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{HP}\)

Costs/impacts of heat pump

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{STA}\)

Costs/impacts of solat thermal absorber

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{STC}\)

Costs/impacts of solar thermal collector

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{Batt}\)

Costs/impacts of battery

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{PV}\)

Costs/impacts of photovoltaics

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{HT}\)

Costs/impacts of hot tank

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{Air-HP}\)

Costs/impacts of air heat pump

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{Component}\)

Total costs/impacts of all components

\(\frac{Euro}{kg_{CO_2}}\)

\(C_{Grid}\)

Total costs/impacts of grid interaction

\(\frac{Euro}{kg_{CO_2}}\)

\(E_{st}\)

Energy stored in either a electrical, hydrogen or thermal storage

\(J\)

\(E_{st,ref}\)

Maximum storage capacity

\(J\)

\(\eta_{self}\)

Self discharge efficiency

\(-\)

\(\dot{Q}\)

Heat flux inserted or extracted to the thermal system

\(W\)

\(P\)

Power inserted or extracted to the electrical or hydrogen system

\(W\)

\(P_{sell_{PV}}\)

Power sold to electricity grid produced by photovoltaic

\(W\)

\(P_{buy}\)

Power bought from electricity grid

\(W\)

\(c_{sell_{PV}}\)

Price power sold to electricity grid produced by photovoltaic

\(\frac{Euro}{kg_{CO_2}}\) or \(\frac{Euro}{kWh}\)

\(c_{buy}\)

Price power bought from electricity grid

\(\frac{Euro}{kg_{CO_2}}\) or \(\frac{Euro}{kWh}\)

\(f_{SOC}\)

Initial battery capacity

\(-\)

\(\delta t_{bd}\)

Time step within the calculated years

\(a\)

\(\delta t_h\)

Time step of the yearly data

\(a\)