Method for determining quality indices for the electrical power supplied by a three-phase network and devices for implementing the method

The device determines the symmetrical components of the electrical power supply and evaluates the quality indices from these components. The device consists of three adders 14, 15, 16 some of whose inputs are used as input terminals for the device, and whose outputs are connected electrically to the...

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1. Verfasser: ANATOLY KORNEEVICH SHIDLOVSKY, NIKOLAI IVANOVICH NEVMERZHITSKY, SERGEI GLEBOVICH TARANOV, ISAAK PAVLOVICH GRINBERG, VOLDMIR VASILIEVICH BRAIKO, ROMAN MIKHAILOVICH GALITSKY, OLEG LEONOVICH KARASINSKY ET OLEG MIRAKBAROVICH MIRFAIZIEV, VITALY VLADIMIROVICH SOBOTOVICH, RAFAIL BENEDIKTOVICH KHUSID, ALEXANDR MIFODIEVICH TSYGANOK, VIKTOR ALEXEEVICH YASCHUK, BELLA
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:The device determines the symmetrical components of the electrical power supply and evaluates the quality indices from these components. The device consists of three adders 14, 15, 16 some of whose inputs are used as input terminals for the device, and whose outputs are connected electrically to the corresponding inputs of the unit 20 for measuring the symmetrical components of the voltages in the three-phase network. It also comprises a controlled three-phase voltage generator 17. The output from a shaper 18 is connected to the synchronisation input of the three-phase voltage generator 17 and its input is connected to one of the input terminals of the device. Used with most success in measurement systems incorporating a computer. L'INVENTION CONCERNE LA TECHNIQUE DES MESURES ELECTRIQUES.LE DISPOSITIF POUR LA MISE EN OEUVRE DU PROCEDE, CONFORME A L'INVENTION, DE DETERMINATION DES INDICES DE QUALITE DE L'ENERGIE ELECTRIQUE FOURNIE PAR UN RESEAU TRIPHASE, DU TYPE CONSISTANT A DETERMINER LES COMPOSANTES SYMETRIQUES DE LADITE ENERGIE ELECTRIQUE ET DE JUGER DESDITS INDICES DE QUALITE D'APRES LES VALEURS DESDITES COMPOSANTES SYMETRIQUES, EST CARACTERISE NOTAMMENT EN CE QU'IL COMPORTE TROIS CIRCUITS DE SOMMATION 14, 15, 16 DONT CERTAINES ENTREES SERVENT DE BORNES D'ENTREE AUDIT DISPOSITIF TANDIS QUE SES SORTIES SONT RELIEES ELECTRIQUEMENT AUX ENTREES CORRESPONDANTES DE L'ORGANE 20 DE MESURE DES COMPOSANTES SYMETRIQUES DES TENSIONS DU RESEAU TRIPHASE, UN GENERATEUR COMMANDE 17 DE TENSION TRIPHASEE, ET UN FORMATEUR 18 DONT LA SORTIE EST RELIEE A L'ENTREE DE SYNCHRONISATION DU GENERATEUR 17 DE TENSION TRIPHASEE ET DONT L'ENTREE EST RELIEE A L'UNE DES BORNES D'ENTREE DUDIT DISPOSITIF.L'INVENTION PEUT ETRE UTILISEE AVEC LE PLUS DE SUCCES DANS LES SYSTEMES DE MESURE COMPORTANT UN ORDINATEUR.