Demagnetization Method for Reducing Inrush Current of Single Phase 1 kVA Transformer
نویسندگان
چکیده
منابع مشابه
A Method for Calculation of the Inrush Current in Single Phase Transformer including the Residual Flux
A field-circuit method for simulation of transients in a single-phase, two-winding transformer has been given. The magnetic field excited by the winding currents has been analyzed, and integral parameters have been determined. Including the equivalent circuit parameters and the magnetic residual flux in the silicon steel core, the developed method has been implemented for the transitional state...
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Energizing of large power transformers is considered a critical event in the operation of an electric power system. When a transformer is energized by the grid or utility, it takes very high value current known as inrush current, the typical value of this current could be ten times. This inrush causes many problems like mechanical stress on transformer & harmonics injection to generator winding...
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Knowledge about the magnetic quantities in a magnetic circuit is always of great interest. On the one hand, this information is needed for the simulation of a transformer. On the other hand, parameter studies are more reliable, if the magnetic quantities are derived from a well established model. One possibility to model the 3-phase transformer is by using a magnetic equivalent circuit (MEC). T...
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ژورنال
عنوان ژورنال: JAREE (Journal on Advanced Research in Electrical Engineering)
سال: 2017
ISSN: 2579-6216,2580-0361
DOI: 10.12962/j25796216.v1.i1.4