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The process of slowly turning the turbine-generator shaft to prevent bowing while it is still hot after shutdown Typically, barring is achieved using turning gear, a small electric motor and gearbox connected to the generator shaft. Early in the history of power plants, barring was done by operators turning the shaft with a bar.
BPS—Bulk Power System (Electricity transmission) BTMG—Behind The Meter Generation; BTU—British thermal unit(s) BTU—Board of Trade unit (1 kWh) (UK historical) BTX—from BTX process, a mixture of benzene, toluene, and xylene (oil) BuRec—United States Bureau of Reclamation (government) BWR—Boiling water reactor (nuclear)
Barriers to entry often cause or aid the existence of monopolies or give companies market power. barter. also called direct exchange. In trade, a system of exchange in which participants in a transaction directly exchange goods or services for other goods or services without using a medium of exchange, such as money. [33]
The Qinliaf Extender also detects the kind of device plugged into it and provides the appropriate amount of power, preventing problems with over-voltage. Think about your most-used devices. Think ...
The main concern with generation is the fluctuation in load demand that imposes varied power requirements from the generation system. [20] These fluctuations can vary throughout a single day, from day to day, or even on the scale of weeks to months, which necessitates flexible mini-grid generation.
Other reimbursable expenses that took place at the current stadium include an ongoing $220,000 estimated east side perimeter sidewalk, along with power and lighting, more than $95,000 for ...
The leader of a Christian coalition and political party in Lebanon is calling on the U.S. and its Western allies to deploy troops to Lebanon to help the army dismantle Hezbollah.
Steam at ordinary process heating conditions still has a considerable amount of enthalpy that could be used for power generation, so cogeneration has an opportunity cost. A typical power generation turbine in a paper mill may have extraction pressures of 160 and 60 psi (1.10 and 0.41 MPa). A typical back pressure may be 60 psi (0.41 MPa).