Task 031341-0302-0002 (judgment of ElektroHelp). Three-phase four-star nasimmetrichnaya.

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Uploaded: 02.03.2008
Content: 031341-0302-0002-v.zip (141,83 kB)

Description

Task 031341-0302-0002 (judgment of ElektroHelp). Three-phase four-star nasimmetrichnaya.

На рисунке представлена схема несимметричной трехфазной цепи, соединенной «звездой» с нулевым проводом с симметричными фазными ЭДС.
Определить:
1. Фазные напряжения, линейные токи и ток в нулевом проводе (ток в нулевом проводе можно определить графическими построениями).
2. Активную, реактивную и полную мощности, потребляемые цепью.
3. Построить топографическую диаграмму напряжений и на ней показать векторы токов.
Дано: UA = 220 B; R1 = 17 Ом; R2 = 23 Ом; XL = 18 Ом; XC = 12 Ом.

Additional information

Calculation of three-phase circuit when connecting receivers on a "star" with the neutral wire.
Graphic determination of the current in the neutral wire.
Caution
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