Absorbers
Voltage fluctuations and flicker — Assessment and mitigation (part 2)

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Absorbers


Voltage fluctuations and flicker — Assessment and mitigation (part 2)

Authors : JACQUES COURAULT, Guillaume de PREVILLE, Jean-Louis SANHET

Publication date: February 10, 2002 | Lire en français

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2. Absorbers

2.1 How it works

The absorber is the active part of the statocompensator. The loads that generate disturbances on networks are generally backward-shifting, i.e. inductive; to compensate them, we use capacitors, which form the fixed part of the compensation.

Unfortunately, it is very difficult to modulate the current in a capacitor with the desired speed, so, as shown in the schematic diagram in figure 3 , a capacitor bank is installed on the network, sized for the maximum reactive energy consumed. To modulate the compensation reactive power, the surplus compensation...

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