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Active Power was founded in 1992 as Magnetic Bearing Technologies, Inc., where the company manufactured magnetic bearings for a variety of applications.; In 1996, the company changed its name to Active Power and the following year introduced its first flywheel DC product.
In the diagram, P is the active power, Q is the reactive power (in this case positive), S is the complex power and the length of S is the apparent power. Reactive power does not do any work, so it is represented as the imaginary axis of the vector diagram. Active power does do work, so it is the real axis. The unit for power is the watt (symbol ...
These devices, connected in series to the power conductors are typically used to lower the reactive power losses and to increase the amount of active power that can be transmitted through the line, with the supply of reactive power with self-regulation (the supply fortuitously increases with higher load) being the secondary consideration; [12 ...
Power-voltage curve (also P-V curve) describes the relationship between the active power delivered to the electrical load and the voltage at the load terminals in an electric power system under a constant power factor. [1] When plotted with power as a horizontal axis, the curve resembles a human nose, thus it is sometimes called a nose curve. [2]
Active power filters (APF) are filters, which can perform the job of harmonic elimination. Active power filters can be used to filter out harmonics in the power system which are significantly below the switching frequency of the filter. The active power filters are used to filter out both higher and lower order harmonics in the power system. [1]
Related MOSs are grouped together by Career Management Fields (CMF). For example, an enlisted soldier with MOSC 11B works as an infantryman (his MOS), and is part of CMF 11 (the CMF for infantry). Commissioned officers are classified by their area of concentration , or AOC.
In practice, the prime mover (a power source that drives the generator) is designed for less active power than the generator is capable of (due to the fact that in real life generator always has to deliver some reactive power [2]), so a prime mover limit (a vertical dashed line on the illustration) changes the constraints somewhat (in the ...
Power output is a constant 345 MWe. The plant is designed to run at 100 percent output, 24/7. The storage system is designed to work in tandem with intermittent energy sources, responding to their spikes and crashes. It can produce 150% of the rated power output, or 500 MWe for 5.5 hours. [28]