"K\u016Fs, V\u00E1clav" . "Effects of short-term voltage drops on the machines supplied from a frequency converter, eliminatoin of this effect"@en . . . "70733" . "Effects of short-term voltage drops on the machines supplied from a frequency converter, eliminatoin of this effect"@en . . . . "P(GA102/09/1164)" . . "ABSTRACT The paper discusses how to ensure the functioning of the electrical device during short voltage dips or interruptions in power supply. Emphasis is placed on the activity of semiconductor devices. The introduction presents some methods to provision the activities of semiconductor converters with short voltage dips. The second part show a few practical examples of the possibilities of providing major business centers with power supply."@en . "1"^^ . . . . . "V \u010Dl\u00E1nku jsou uvedeny z\u00E1kladn\u00ED informace o d\u016Fsledc\u00EDch kr\u00E1tkodob\u00FDch pokles\u016F nap\u011Bt\u00ED na \u010Dinnost polovodi\u010Dov\u00FDch m\u011Bni\u010D\u016F. Postupn\u011B jsou diskutov\u00E1ny principy vlivu pokles\u016F nap\u011Bt\u00ED na moment motoru ? rychlost poklesu nap\u011Bt\u00ED ve stejnosm\u011Brn\u00E9m obvodu, vznik proudov\u00E9 a momentov\u00E9 \u0161pi\u010Dky po obnov\u011B nap\u011Bt\u00ED. V druh\u00E9 \u010D\u00E1sti jsou probr\u00E1ny mo\u017Enosti pro omezen\u00ED vlivu pokles\u016F nap\u011Bt\u00ED prost\u0159edky v\u00FDkonov\u00E9 a \u0159\u00EDd\u00EDc\u00ED elektroniky v pou\u017Eit\u00FDch m\u011Bni\u010D\u00EDch. Jedn\u00EDm z \u0159e\u0161en\u00ED je pou\u017Eit\u00ED pulzn\u00EDho usm\u011Br\u0148ova\u010De, kdy vhodn\u00FDm dimenzov\u00E1n\u00EDm a n\u00E1vrhem lze doc\u00EDlit a\u017E 50 % pokryt\u00ED poklesu nap\u011Bt\u00ED. Dal\u0161\u00EDmi mo\u017Enostmi je vyu\u017Eit\u00ED modern\u00EDch zp\u016Fsob\u016F \u0159\u00EDzen\u00ED st\u0159\u00EDda\u010D\u016F pro omezen\u00ED vlivu pokles\u016F nap\u011Bt\u00ED ? lze pou\u017E\u00EDt jak upraven\u00E9 vektorov\u00E9 \u0159\u00EDzen\u00ED, tak i tzv. p\u0159\u00EDm\u00E9 \u0159\u00EDzen\u00ED momentu. \u010Cl\u00E1nek je ur\u010Dit\u00FDm p\u0159ehledem sou\u010Dasn\u00FDch probl\u00E9m\u016F spojen\u00FDch s poklesy nap\u011Bt\u00ED a sou\u010Dasn\u011B ukazuje mo\u017En\u00E9 sm\u011Bry eliminace d\u016Fsledk\u016F t\u011Bchto jev\u016F."@cs . "1"^^ . . . "RIV/49777513:23220/13:43919436" . . "[EC48E4D60E72]" . "Voltage drops,AC machines, converters, current control, power system restoration, torque control"@en . "D\u016Fsledky pokles\u016F nap\u011Bt\u00ED na \u010Dinnost m\u011Bni\u010D\u016F kmito\u010Dtu, mo\u017Enosti eliminace"@cs . "D\u016Fsledky pokles\u016F nap\u011Bt\u00ED na \u010Dinnost m\u011Bni\u010D\u016F kmito\u010Dtu, mo\u017Enosti eliminace"@cs . "D\u016Fsledky pokles\u016F nap\u011Bt\u00ED na \u010Dinnost m\u011Bni\u010D\u016F kmito\u010Dtu, mo\u017Enosti eliminace" . "D\u016Fsledky pokles\u016F nap\u011Bt\u00ED na \u010Dinnost m\u011Bni\u010D\u016F kmito\u010Dtu, mo\u017Enosti eliminace" . . "23220" . . "V \u010Dl\u00E1nku jsou uvedeny z\u00E1kladn\u00ED informace o d\u016Fsledc\u00EDch kr\u00E1tkodob\u00FDch pokles\u016F nap\u011Bt\u00ED na \u010Dinnost polovodi\u010Dov\u00FDch m\u011Bni\u010D\u016F. Postupn\u011B jsou diskutov\u00E1ny principy vlivu pokles\u016F nap\u011Bt\u00ED na moment motoru ? rychlost poklesu nap\u011Bt\u00ED ve stejnosm\u011Brn\u00E9m obvodu, vznik proudov\u00E9 a momentov\u00E9 \u0161pi\u010Dky po obnov\u011B nap\u011Bt\u00ED. V druh\u00E9 \u010D\u00E1sti jsou probr\u00E1ny mo\u017Enosti pro omezen\u00ED vlivu pokles\u016F nap\u011Bt\u00ED prost\u0159edky v\u00FDkonov\u00E9 a \u0159\u00EDd\u00EDc\u00ED elektroniky v pou\u017Eit\u00FDch m\u011Bni\u010D\u00EDch. Jedn\u00EDm z \u0159e\u0161en\u00ED je pou\u017Eit\u00ED pulzn\u00EDho usm\u011Br\u0148ova\u010De, kdy vhodn\u00FDm dimenzov\u00E1n\u00EDm a n\u00E1vrhem lze doc\u00EDlit a\u017E 50 % pokryt\u00ED poklesu nap\u011Bt\u00ED. Dal\u0161\u00EDmi mo\u017Enostmi je vyu\u017Eit\u00ED modern\u00EDch zp\u016Fsob\u016F \u0159\u00EDzen\u00ED st\u0159\u00EDda\u010D\u016F pro omezen\u00ED vlivu pokles\u016F nap\u011Bt\u00ED ? lze pou\u017E\u00EDt jak upraven\u00E9 vektorov\u00E9 \u0159\u00EDzen\u00ED, tak i tzv. p\u0159\u00EDm\u00E9 \u0159\u00EDzen\u00ED momentu. \u010Cl\u00E1nek je ur\u010Dit\u00FDm p\u0159ehledem sou\u010Dasn\u00FDch probl\u00E9m\u016F spojen\u00FDch s poklesy nap\u011Bt\u00ED a sou\u010Dasn\u011B ukazuje mo\u017En\u00E9 sm\u011Bry eliminace d\u016Fsledk\u016F t\u011Bchto jev\u016F." . . . . "RIV/49777513:23220/13:43919436!RIV14-GA0-23220___" . .