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In some static VAR compensators for industrial applications such as electric arc furnaces, where there may be an existing medium-voltage busbar present (for example at 33 kV or 34.5 kV), the static VAR compensator may be directly connected in order to save the cost of the transformer.
Power flow is increased by adding a series capacitor to offset line inductance or decreased by adding a series load-flow reactor to add to the line inductance. One type of series compensation is the Thyristor-Controlled Series Capacitor (TCSC), which combines the TCR from an SVC in parallel with a traditional fixed series capacitor. As using ...
When AC won the War of Currents in the late 19th century, and electric grids began expanding and connecting cities and states, the need for reactive compensation became apparent. [2] While AC offered benefits with transformation and reduced current, the alternating nature of voltage and current lead to additional challenges with the natural ...
Synchronous condenser installation at Templestowe substation, Melbourne, Victoria, Australia. Built by ASEA in 1966, the unit is hydrogen-cooled and capable of three-phase power at 125 MVA . In electrical engineering , a synchronous condenser (sometimes called a syncon , synchronous capacitor or synchronous compensator ) is a DC-excited ...
AC capacitors serve as damping or snubbing capacitors when connected in series with a resistor, and are also specified for the damping of undesirable voltage spikes caused by the so-called charge carrier storage effect during switching of power semiconductors. In addition, AC capacitors are used in low-detuned or close-tuned filter circuits for ...
The reactor is usually an air-cored reactor, similar to that of a TCR, but smaller. The size and cost of the TSC reactor is heavily influenced by the tuning frequency of the TSC, lower frequencies requiring larger reactors. The TSC reactor is usually located outside, close to the main capacitor bank.
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