A binary cycle is a method for generating electrical power from geothermal resources and employs two separate fluid cycles, hence binary cycle.
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Which plant runs on a binary cycle?
Most geothermal power plants are flash steam plants. Binary-cycle power plants transfer the heat from geothermal hot water to another liquid. The heat causes the second liquid to turn to steam, and the steam drives a generator turbine.
What is an example of a binary cycle?
Binary cycles are a type of geothermal power plant design that enables extraction of heat from low-temperature sources. They involve two types of fluid: a geothermal fluid and a secondary fluid with a lower boiling point. Examples include the Organic Rankine Cycle (ORC) and the Kalina cycle.
What are the main differences between flash cycles and binary cycles?
Binary-cycle geothermal power plants differ from dry steam and flash steam systems in that the geothermal reservoir fluids never come into contact with the power plant's turbine units. Low-temperature (below 182°C/360°F) geothermal fluids pass through a heat exchanger with a secondary, or "binary," fluid.
How much does a binary cycle power plant cost?
Cost ranges for small- scale, low-temperature resource binary plants are therefore likely to be higher than those for excellent geothermal reservoirs and resources, and are typically in the range from USD 5 000 to USD 10 000/kW.
http://electrical-engineering-portal.com/an-overview-of-combined-cycle-power-plant 281. TAEA7 p. 589 and https://en.wikipedia.org/wiki/Binary_cycle Page 122 ...
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