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Published in:
2018 | OriginalPaper | Chapter
Power Generation from Low-Grade Heat Streams
Author : Lucien Y. Bronicki
Published in: Power Stations Using Locally Available Energy Sources
Publisher: Springer New York
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Excerpt
Capacity
The amount of electric power delivered or required from a generator, turbine, or system
Capacity, installed (or nameplate)
The manufacturer-rated capacities of equipment such as turbines, generators, and other system components
CHP
Combined heat and power
Bottoming cycle CHP
A CHP where the power is produced from residual heat in a heat-consuming process
Topping cycle CHP
A CHP where power is produced first and exhaust heat is used for heating a process
Generator
A machine converting the kinetic energy produced by a turbine into electricity
Gigawatt (GW)
One billion watts
Gigawatt-hour (GWh)
One billion watt-hours
Kilowatt (kW)
One thousand watts
Kilowatt-hour (kWh)
One thousand watt-hours
Energy recycling
Using residual waste heat from a thermal process or using the exhaust heat from a power system in a thermal process
Megawatt (MW)
One thousand kilowatts (1,000 kW)
Megawatt-hour (MWh)
One million watt-hours
Noncondensable gases (NCG)
Gases present in the steam or dissolved in the vapor or liquid and liberated in the expansion process
OEC
A power unit using Ormat’s organic Rankine cycle, which converts residual heat to electric power
ORC power unit
A power unit operating according to the ORC process
Organic Rankine cycle (ORC)
A Rankine cycle is a thermodynamic power cycle using an organic fluid as the motive fluid
Power plant
A power station
Power station (also called power plant)
A facility at which prime movers (turbines or engines), electric generators, and auxiliary equipment are located for converting mechanical, chemical, and/or nuclear energy into electric energy. A station may contain more than one type of prime mover
Steam Rankine cycle
A Rankine cycle in which water (in liquid and vapor phase) is the motive fluid
Turbine
A machine for generating rotary mechanical power from the energy of expansion of a stream of fluid (such as water, steam, organic vapor, or hot gas). Turbines convert the kinetic energy of fluids to mechanical energy through the principles of impulse and reaction using various fluids
Turbine generator
A turbine driving a generator