Abstract: Various embodiments of the teachings herein include a device for controlling energy flows between participants in an energy network which are connected to one another via lines, the device comprising a processor configured to calculate the energy flows in advance for a period of time using an optimization process and to control the energy flows in the period of time on the basis of the result of the calculation. The processor is further configured to include losses that occur in the energy flows in the lines in the calculation using the optimization process.

Abstract: Various embodiments of the teachings herein include a control platform for controlling a heat network. A plurality of heat consumers and/or heat generators are coupled to the heat network for heat exchange. The control platform is programmed to: receive from each heat consumer information about a respective local feed temperature required as a minimum by the heat consumer within a time interval; and/or receive from each heat generator information about a respective local feed temperature that can be provided as a maximum by the heat generator within the time interval; and control the heat network depending on the received information relating to the local feed temperatures.

Abstract: Various examples include a device for increasing the heat yield of a heat source comprising: a heat sink; a heat pump with a condenser and an evaporator; and the heat source. The heat sink includes a heat sink feed and a heat sink return providing thermal coupling to the heat source with a heat exchanger. The heat source includes a heat source feed and a heat source return for thermal coupling to the heat sink with the heat exchanger. The condenser of the heat pump is thermally coupled to the heat sink feed to dissipate heat to the heat sink. The evaporator of the heat pump is thermally coupled to the heat source return downstream of the heat exchanger to absorb heat.

Abstract: Various embodiments of the teachings herein include a method for the compression of a gas comprising: introducing the gas into a compression chamber; pumping a liquid from an intermediate container into the compression chamber; and pumping at least part of the liquid from the compression chamber to a sprinkling system through a sprinkling circuit. The sprinkling system distributes the liquid within the compression chamber.

Abstract: Various embodiments include a method for determining a design of an energy system comprising: providing a plurality of values of a parameter of an optimization method using an extraction of the values according to a probability distribution of the parameter; specifying a respective single-target function of the energy system for each of the plurality of values; forming an overall target function using the single-target functions; and extremizing the overall target function using the optimization method.

Abstract: Various embodiments include a method for designing a multimodal energy system having a plurality of components comprising: providing a first plurality of parameters; stipulating a second plurality of secondary conditions; stipulating a target function; defining a critical operating state of the multimodal energy system; and extremalizing the target function on the basis of the first plurality of parameters, the second plurality of secondary conditions, and the critical operating state using an optimization method.

Abstract: The present disclosure relates to combined gas and steam power plants. Various embodiments may include methods for operating such plants, such as: generating hot steam with an exhaust gas of a gas turbine; driving a generator with the steam; diverting at least a part of the generated steam and storing the diverted steam in a steam accumulator; then, discharging at least a part of the steam stored in the steam accumulator from the steam accumulator; heating the steam discharged from the steam accumulator with heat released during an exothermic chemical reaction; and feeding the heated steam to drive the turbine device.

Abstract: Various embodiments include a device for increasing the heat yield of a heat source comprising: a heat sink; a heat pump with a condenser and an evaporator; and the heat source. The heat sink includes a heat sink feed and a heat sink return providing thermal coupling to the heat source with a heat exchanger. The heat source includes a heat source feed and a heat source return for thermal coupling to the heat sink with the heat exchanger. The condenser of the heat pump is thermally coupled to the heat sink feed to dissipate heat to the heat sink. The evaporator of the heat pump is thermally coupled to the heat source return downstream of the heat exchanger to absorb heat.

Abstract: Various embodiments include a device for increasing the heat yield of a heat source comprising: a heat sink; a heat pump with a condenser and an evaporator; and a heat sink feed and a heat sink return providing a thermal coupling to the heat source with a heat exchanger. The condenser is thermally coupled to the heat sink feed for emitting heat to the heat sink. The evaporator is thermally coupled to the heat sink return for absorbing heat.

Abstract: The present disclosure relates to combined heat and power plants. The teachings thereof may be embodied in methods for operating such a plant to provide electrical and thermal energy to a consumer unit, comprising: simultaneously generating electrical energy and heat in a process flow based on a demand for electricity; storing heat generated in excess of a demand for heat; and increasing a heat output when a difference between an actual provided heat output and the demand for heat is exceeded.

Abstract: The present disclosure relates to power plants. Various embodiments thereof may include a method for operating a gas-and-steam combined-cycle power plant. For example, some embodiments may include a method for operating a gas-and-steam combined-cycle power plant including: providing exhaust gas from a gas turbine to a steam generator; generating steam by means of the exhaust gas; driving a generator with the steam via a turbine installation to provide an electric current; removing the exhaust gas from the steam generator; and using at least a portion of heat contained in the exhaust gas downstream from the steam generator to affect an endothermic chemical reaction.

Abstract: The present disclosure relates to combined gas and steam power plants. Various embodiments may include methods for operating such plants, such as: generating hot steam with an exhaust gas of a gas turbine; driving a generator with the steam; diverting at least a part of the generated steam and storing the diverted steam in a steam accumulator; then, discharging at least a part of the steam stored in the steam accumulator from the steam accumulator; heating the steam discharged from the steam accumulator with heat released during an exothermic chemical reaction; and feeding the heated steam to drive the turbine device.

Abstract: The present disclosure relates to power plants. Teachings thereof may be embodied in methods for operating a combined gas-and-steam power plant and/or combined gas-and-steam power plants. For example, some embodiments may include a method for operating a combined gas-and-steam power plant comprising: generating steam with waste gas from a gas turbine; driving a generator for providing electrical current via a turbine device; and using at least part of the heat in the steam to affect an endothermic chemical reaction.

Abstract: A cogeneration power plant and a method for operating a cogeneration power plant are provided, with a working medium being additionally cooled by a suitable heat pump between an outlet of a thermal heating device and an inlet of a power generator of the cogeneration process. The thermal power obtained in this manner is again available for heating purposes within the heat cycle.

Abstract: An electrical component may include an electrically conductive element and electrical insulation that at least partially surrounds the element and without contact. A heat pipe may be surrounded by the insulation at least at one end and may partially protrude from the insulation, wherein the part of the heat pipe protruding from the insulation protrudes closer to the central element than the insulation.

Abstract: A method and a device for discharging a thermal stratification storage tank are provided, wherein a first thermal stratification storage tank has a first temperature in a first subsection and a second temperature in a second subsection, when the working fluid of an organic Rankine cycle in the liquid aggregate state in a fluid heat transfer medium of the first thermal stratification storage tank is introduced into the first or second subsection and brought into direct material contact with the heat transfer medium, wherein at the second temperature in the second subsection the pressure in the first thermal stratification storage tank is less than or equal to the vapor pressure of the working fluid.

Abstract: A heat pump arrangement including a first heat pump through which a first fluid flows, a second heat pump through which a second fluid flows, and a heat exchanger to transfer heat from the first fluid to the second fluid. The heat is transferred from the first fluid to the second fluid at a fluid temperature of at least 120° C. for the second fluid. The first fluid and the second fluid each have a volumetric heating capacity of at least 500 kJ/m3 when the heat is transferred from the first fluid to the second fluid. Useful heat is extracted from the second fluid at a fluid temperature of at least 120° C. for the second fluid, and the first fluid and the second fluid each have a volumetric heating capacity of at least 500 kJ/m3 when the useful heat is extracted.

Abstract: A fluid is condensed by at least one condensation device and the fluid is expanded by at least one expansion device. Then, the fluid is evaporated by at least one evaporation device and the fluid is compressed by at least one compression device. An ionic liquid is used when compressing the fluid.

Abstract: The present disclosure relates to a process for making an absorbent core comprising a nonwoven core cover that offers improved performance on holding back fine particulate material after having been exposed to external strain.

Abstract: Provision of electricity to an electrical grid is controlled such that the electricity supply from the power plant is reduced to the current electric power demand by charging a thermal energy store(s). As a result, the provision of electricity by renewable energy sources to the electrical grid can be given precedence. The power plant can be connected to a heat pump and/or a refrigeration unit by the thermal energy store(s). The thermal energy store(s) can be used for district heating/cooling networks.