Identyfikatory
Warianty tytułu
Efficiency of the impairment of ground current disturbances of LC engine filters in the drives with voltage inverters supplied from an IT network
Języki publikacji
Abstrakty
W artykule zawarto porównanie wybranych właściwości silnikowych filtrów pasywnych LC, ograniczających prądy doziemne kabli silnikowych i silników, w napędach z napięciowymi przemiennikami częstotliwości. Przeprowadzono badania filtrów LC stosowanych w napędach zasilanych z sieci nieuziemionych typu IT. W badaniach oceniających efektywność filtracji napięcia zaburzeń wspólnych uwzględniono takie kryteria jak: napięcie względem ziemi punktu neutralnego uzwojeń stojana silnika i prąd doziemny w przewodzie ochronnym PE oraz napięcie fazowe i międzyfazowe na zaciskach silnika.
In the article basic features' comparison of different kinds of passive LC motor filters, utilized in order to reduce inverter's the differential and common voltage in the frequency converters drives, is presented. Filters' examinations were prepared for non-grounded power supply of electrical drives (IT mains) where parasitic ground capacitances of a screened motor cable have significant value. Filters were compared under following criteria: voltage of stator windings neutral point to grounded motors cover, high frequency parasitic current in PE conductor, value of motor phase-ground and phase-phase voltage. Examinations were made for unscreened and screened motor cables.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
25--34
Opis fizyczny
Bibliogr. 25 poz., rys., wykr.
Twórcy
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-AGHM-0036-0018
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