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The volt-ampere (SI symbol: VA, [1] sometimes V⋅A or V A) is the unit of measurement for apparent power in an electrical circuit. It is the product of the root mean square voltage (in volts ) and the root mean square current (in amperes ). [ 2 ]
This is a list of electricity-generating power stations in the U.S. state of Virginia. In 2022, Virginia had a total summer capacity of 29,169 MW through all of its power plants, and a net generation of 89,477 GWh. [ 2 ]
For an electric machine, the power rating is the number on its rating plate and corresponds to a maximum electric load it can carry. There is a distinction between the continuous rating (for generators, continuous maximum rating or CMR [ 2 ] ), at which the machine can be operational without a time limit and short-term rating that can only be ...
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Real-time ratings allow control room engineers to adjust power flows according to normal operational events or contingencies. They are based on "steady-state (equilibrium) ampacity" calculations. Emergency ratings are based on transient equations and models: they provide permissible overload ratings for a short and adjustable time (typically 5 ...
A list of ZIP codes and the locations they represent are sourced from the United States Postal Service. The top five median household incomes from each ZIP code were sorted. All data was collected ...
In electrical engineering and mechanical engineering, the power rating of equipment is the highest power input allowed to flow through particular equipment. According to the particular discipline, the term power may refer to electrical or mechanical power. A power rating can also involve average and maximum power, which may vary depending on ...