Short Circuits Calculator

Short Circuits Calculator

Vyacheslav Mytnik
2019年03月01日
  • 1.1 MB

    ファイルサイズ

  • Android 5.0+

    Android OS

このShort Circuits Calculatorについて

IEC 60909のための短絡電卓

This application (fault currents and voltages calculator) can be used for the following calculations:

- three-phase fault current (IEC 60909);

- two-phase without earth connection fault current (IEC 60909);

- two-phase with earth connection fault current (IEC 60909);

- phase to earth connection current (IEC 60909);

- total fault current (IEC 60909);

- positive sequence fault current (IEC 60909);

- negative sequence fault current (IEC 60909);

- zero sequence fault current (IEC 60909);

- three-phase fault voltage;

- two-phase without earth connection fault voltage;

- two-phase with earth connection fault voltage;

- phase to earth connection voltage;

- total fault voltage;

- positive sequence fault voltage;

- negative sequence fault voltage;

- zero sequence fault voltage.

Notes to calculations:

- for meshed and non-meshed grids;

- wait a few seconds after the application is loaded;

- click on the white field to add an element;

- click on the item to view properties;

- change the item nominal voltage to select from the database;

- C-factor and K-factor are used in calculations;

- the capacitance is taken into account in all calculation modes (if available);

- the generator tap is used in maximum current and voltage calculations;

- the generator tap is not used in minimum current and voltage calculations;

- items properties are calculated based on nominal voltages and reduced to the grid nominal voltage;

- to avoid calculation errors, nominal voltage of items must correspond to the grid nominal voltage;

- grid nominal voltage is calculated based on nominal voltages of generator, feeder, power station and transformer.

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最新バージョン 1.2 の更新情報

Last updated on 2019-03-01
v1.1: correction of vectors direction
v1.2: opening file bug fixed (for Android 7.0+)
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