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synchronous condenser - tradução para russo
общая лексика
синхронный компенсатор
![A glass still head, upside down. The rounded part was meant to be fitted on the top of the boiling flask. Black-and-white photo of object at the [[Wellcome Trust]] museum.](https://commons.wikimedia.org/wiki/Special:FilePath/Glass still head. Early example - greenish glass Wellcome M0018912.jpg?width=200 "A glass still head, upside down. The rounded part was meant to be fitted on the top of the boiling flask. Black-and-white photo of object at the [[Wellcome Trust]] museum.")
![Distillation setup using a retort and tube condenser, from a 1921 book.<ref name=hitest>United States Bureau of Public Roads (1921): "[https://archive.org/stream/standardtentativ949unit/standardtentativ949unit Standard and tentative methods of sampling and testing highway materials]" Proceedings of the Second Conference of State Highway Testing Engineers and Chemists, Washington, D.C., Feb. 23-27, 1920.</ref>](https://commons.wikimedia.org/wiki/Special:FilePath/Tube condenser.png?width=200 "Distillation setup using a retort and tube condenser, from a 1921 book.<ref name=hitest>United States Bureau of Public Roads (1921): \"[https://archive.org/stream/standardtentativ949unit/standardtentativ949unit Standard and tentative methods of sampling and testing highway materials]\" Proceedings of the Second Conference of State Highway Testing Engineers and Chemists, Washington, D.C., Feb. 23-27, 1920.</ref>")
общая лексика
оросительный конденсатор
Definição
Wikipédia
In electrical engineering, a synchronous condenser (sometimes called a syncon, synchronous capacitor or synchronous compensator) is a DC-excited synchronous motor, whose shaft is not connected to anything but spins freely. Its purpose is not to convert electric power to mechanical power or vice versa, but to adjust conditions on the electric power transmission grid. Its field is controlled by a voltage regulator to either generate or absorb reactive power as needed to adjust the grid's voltage, or to improve power factor. The condenser’s installation and operation are identical to large electric motors and generators (some generators are actually designed to be able to operate as synchronous condensers with the prime mover disconnected).
Increasing the device's field excitation results in its furnishing reactive power (measured in units of var) to the system. Its principal advantage is the ease with which the amount of correction can be adjusted.
Synchronous condensers are an alternative to capacitor banks for power-factor correction in power grids. One advantage is that the amount of reactive power from a synchronous condenser can be continuously adjusted. Reactive power from a capacitor bank decreases when grid voltage decreases while the reactive power from a synchronous condenser inherently increases as voltage decreases. However, synchronous machines have higher energy losses than static capacitor banks. Most synchronous condensers connected to electrical grids are rated between 20 MVAR (megavar) and 200 MVAR and many are hydrogen cooled. There is no explosion hazard as long as the hydrogen concentration is maintained above 70%, typically above 91%. A syncon can be 8 metres long and 5 meters tall, weighing 170 tonnes.
Synchronous condensers also help stabilize grids. The kinetic energy stored in the rotor of the machine and its inductance can help stabilize a power system during rapid fluctuations of loads such as those created by short circuits or electric arc furnaces. For this reason, large installations of synchronous condensers are sometimes used in association with high-voltage direct current converter stations to supply reactive power to the alternating current grid.
