METHOD OF RESONANT NEUTRAL GROUNDING ADJUSTMENT IN THREE-PHASE ALTERNATING CURRENT CIRCUITS Russian patent published in 2008 - IPC H02H9/08 G01R27/18 

Abstract RU 2330366 C1

FIELD: electric engineering.

SUBSTANCE: according to this method, capacity admittance is adjusted in compensating device by changing capacity, which is parallel to reactor inductivity. Capacity of compensating device is selected against empirical ratio where Cadd - required value of additional capacity in compensating device, mkF; k - coefficient taking into account electric circuit parameters changing in the mode one-phase contact to earth with parameters being within [-0.573; 0.573]; bΣ- resultant admittance of resonant circuit, mcm; ω - angular frequency in circuit, c-1 ; R - active losses in compensating device, Ohm.

EFFECT: improvement of accuracy and reliability.

1 dwg, 1 tbl

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RU 2 330 366 C1

Authors

Shpiganovich Aleksandr Nikolaevich

Shpiganovich Alla Aleksandrovna

Zakharov Kirill Dmitrievich

Zatsepina Violetta Iosifovna

Zatsepin Evgenij Petrovich

Shilov Il'Ja Gennadievich

Dates

2008-07-27Published

2007-04-02Filed