Regulation method for a dc arc furnace

Details Regulation method for a dc arc furnace Regulation method for a dc arc furnace

H - Electricity

05

B

H05B 7/144 (2006.01) C21C 5/52 (2006.01) H02J 3/18 (2006.01) H05B 7/148 (2006.01)

Patent

CA 2136521

In operation, DC arc furnaces (8) produce reactive load fluctuations which lead to undesirable flickering phenomena especially in a frequency range from 2 Hz - 20 Hz. In order to reduce these flickering phenomena, comparatively fast reactive power regulation is superimposed on slow current regulation of the DC arc furnace (8) which is controlled by rectifiers (5, 5'). In consequence, the use of a reactive-power compensator to compensate for reactive power fluctuations is superfluous.

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