Cogeneration Systems

Cogeneration of heat and power

Cogeneration systems - also called combined heat and power or CHP systems - generate both heat and power. Jenbacher CHP systems economically utilize the waste heat incurred during engine operation to generate overall plant efficiencies of more than 90%. This efficient form of energy conversion achieves primary energy savings of roughly 40% by using a gas engine cogeneration system instead of separate power and heat generation equipment. Transportation and distribution losses are also reduced or eliminated as the decentralized energy supply is set up where it is needed.
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The Jenbacher concept

The basic structure of a Jenbacher CHP system consists of an engine/generator unit and heat exchangers for the utilization of waste heat. The incorporation of a wide range of heat sources - from engine cooling water, oil and air/fuel gas mixture to exhaust gas - is configured to maximize the benefit to each individual customer.

Cogeneration systems can be supplemented with a boiler system for bridging peak heat demand periods. An additional increase in the operating time and efficiency of the system is made possible by the connection of a heat storage medium. Power plant electrical switch and control systems distribute the electricity and manage the engine, while hydraulic equipment ensures the heat distribution. The generated power is utilized by the individual facilities (e.g., hospitals) or fed into the public power grid. The thermal energy can be used for both generating heating water and steam production as well as for various types of process heat.

Gas engine cogeneration systems are also used for CO2 fertilization in greenhouses and trigeneration systems (combined generation of heat, cooling and power).

For More Information

For more information on the GE Line of Jenbacher Products contact:

GE
Achenseestraße 1-3,
A-6200 Jenbach
Diagram of Steam Generation



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