Combined cooling, heat, and power (CCHP) systems—also called trigeneration systems—are the combination of cogeneration plants and absorption chillers. GE’s Jenbacher gas engines and our aeroderivative gas turbines product lines offer an excellent solution for generating air conditioning and/or refrigeration. Cogeneration equipment, such as the single-rotor, two-stage, high-pressure gas turbine paired with a six-stage power turbine, offers high efficiency and low emissions. Absorption chillers provide an economic and environmental alternative to conventional refrigeration with compression chillers. Combining those two elements enables excellent total fuel efficiency, elimination of HCFC/CFC refrigerants, and reduced overall air emissions.
Our solution was to incorporate advanced electrical storage into the system, both batteries and the latest supercapacitors, combined with innovative system control.
Combined Heat and Power units have been used by large businesses for many years, producing electricity from a generator, and running heating off the engine cooling system and exhausts. But on small premises, where turning on an appliance such as a pump or a kettle can increase the electrical load several fold in a matter of seconds, attempts to match the competing demands of electricity and heat can seriously undermine the units' efficiency.
Before designing the system, the team logged the minute-by-minute energy use in households – previous studies have lost important detail by averaging demand over much longer timescales.
In a typical UK house, for example, heating demand is largely stable when hot water and space heating is required. In contrast, electricity consumption can hover around a hundred watts or …
Across the world, there is a new emphasis on projects that combine climate protection and economical primary power generation. Absorption chiller technology represents an optimal solution for a year-round efficient source of cooling and heat, especially when used in conjunction with a gas engine co-generation plant.
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