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Application filed by Laurian Preda, Florin MunteanufiledCriticalLaurian Preda
Priority to RO123057ApriorityCriticalpatent/RO95192B1/ro
Publication of RO95192B1publicationCriticalpatent/RO95192B1/ro
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Supply And Distribution Of Alternating Current
(AREA)
Abstract
Inventia se refera la o metoda pentru determinarea puterii (energiei) de asimetrie în instalatiile electrice trifazate cu fir neutru, în cazul încarcarii neuniforme a fazelor, cînd apare componenta homopolara a curentului ce determina existenta puterii (energiei) de asimetrie. Metoda, conform inventiei, consta în masurarea cu doua wattmetre trifazate, de constructie obisnuita, legate în circuit cu bobinele de curent în serie pe cele trei faze (R, S, T) iar cu bobinele de tensiune, toate cu un capat la conductorul de nul, iar cu celalalt capat la faza R (pentru unul din wattmetre), respectiv la faza S (pentru celalalt wattmetru), indicatiile (I1 si I2) ale celor doua wattmetre fiind utilizate pentru calculul puterii de asimetrie cu relatia din descriere.
RO123057A1986-04-211986-04-21Metoda pentru determinarea puterii de asimetrie
RO95192B1
(ro)
Способ определения места и расстояния до места однофазного замыкания на землю в электрических сетях 6-35 кВ с изолированной или компенсированной нейтралью
Способ определения места и расстояния до места однофазного замыкания на землю в электрических сетях 6-35 кВ с изолированной или компенсированной нейтралью
Способ определения места короткого замыкания на воздушной линии электропередачи с грозозащитным тросом по замерам с двух концов линии с учетом различия продольных и поперечных фазных и междуфазных параметров линии