{"id":93,"date":"2026-07-07T07:48:47","date_gmt":"2026-07-07T07:48:47","guid":{"rendered":"https:\/\/industrialelectricmotor.net\/?post_type=product&p=93"},"modified":"2026-07-07T07:48:48","modified_gmt":"2026-07-07T07:48:48","slug":"vfd-inverter-duty-motors-yvf2-variable-frequency-three-phase-motor","status":"publish","type":"product","link":"https:\/\/industrialelectricmotor.net\/sk\/produkt\/vfd-inverter-duty-motors-yvf2-variable-frequency-three-phase-motor\/","title":{"rendered":"Motory s invertorov\u00fdm pohonom VFD \u2013 trojf\u00e1zov\u00fd motor s premenlivou frekvenciou YVF2"},"content":{"rendered":"
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Rozsah r\u00fdchlosti: 5 \u2013 100 Hz<\/div>\n
V\u00fdkon: 0,55 \u2013 315 kW<\/div>\n
Izol\u00e1cia: Trieda H (180 \u00b0C)<\/div>\n
Chladenie: Nez\u00e1visl\u00fd ventil\u00e1tor IC416<\/div>\n
Enkod\u00e9r: 1024 PPR Volite\u013en\u00e9<\/div>\n<\/div>\n
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Preh\u013ead motora s premenlivou frekvenciou s\u00e9rie YVF\/YVF2<\/h2>\n

Trojf\u00e1zov\u00fd asynchr\u00f3nny motor s premenlivou frekvenciou s\u00e9rie YVF2 je vyvinut\u00fd na platforme s\u00e9rie Y2 so \u0161pecifick\u00fdmi kon\u0161truk\u010dn\u00fdmi \u00fapravami pre prev\u00e1dzku s meni\u010dom. Na rozdiel od \u0161tandardn\u00fdch asynchr\u00f3nnych motorov, ktor\u00e9 pracuj\u00fa s pevnou r\u00fdchlos\u0165ou ur\u010denou frekvenciou nap\u00e1jania, s\u00fa motory s frekven\u010dn\u00fdm meni\u010dom (VFD) navrhnut\u00e9 tak, aby be\u017eali s plynule premenliv\u00fdmi r\u00fdchlos\u0165ami riaden\u00fdmi extern\u00fdm frekven\u010dn\u00fdm meni\u010dom (invertorom). T\u00e1to kombin\u00e1cia motora a VFD umo\u017e\u0148uje presn\u00fa regul\u00e1ciu r\u00fdchlosti, m\u00e4kk\u00fd \u0161tart, \u00fasporu energie pri za\u0165a\u017een\u00ed s premenliv\u00fdm kr\u00fatiacim momentom a optimaliz\u00e1ciu procesov v \u0161irokej \u0161k\u00e1le priemyseln\u00fdch aplik\u00e1ci\u00ed.<\/p>\n

Hlavn\u00fd technick\u00fd rozdiel medzi motorom s frekven\u010dn\u00fdm meni\u010dom a... \u0161tandardn\u00fd trojf\u00e1zov\u00fd motor<\/a> spo\u010d\u00edva v troch oblastiach: izola\u010dn\u00fd syst\u00e9m je vylep\u0161en\u00fd na triedu H (180 \u00b0C) s dr\u00f4tom odoln\u00fdm vo\u010di kor\u00f3ne, aby odolal vysok\u00fdm nap\u00e4\u0165ov\u00fdm \u0161pi\u010dk\u00e1m dV\/dt sp\u00f4soben\u00fdm v\u00fdstupom PWM meni\u010da; chladiaci syst\u00e9m pou\u017e\u00edva nez\u00e1visle nap\u00e1jan\u00fd axi\u00e1lny ventil\u00e1tor (IC416) namiesto ventil\u00e1tora namontovan\u00e9ho na hriadeli, \u010do zabezpe\u010duje kon\u0161tantn\u00fd prietok vzduchu bez oh\u013eadu na ot\u00e1\u010dky motora; a elektromagnetick\u00e1 kon\u0161trukcia je optimalizovan\u00e1 tak, aby sa minimalizovali pulz\u00e1cie kr\u00fatiaceho momentu a po\u010dute\u013en\u00fd hluk pri buden\u00ed s premenlivou frekvenciou.<\/p>\n

Na\u0161a tov\u00e1re\u0148 v s\u00fa\u010dasnosti vyr\u00e1ba motory YVF2 v 12 ve\u013ekostiach r\u00e1mov od IEC 80 do 315, ktor\u00e9 pokr\u00fdvaj\u00fa 23 v\u00fdkonov\u00fdch kateg\u00f3ri\u00ed od 0,55 kW do 315 kW. Rozsah ot\u00e1\u010dok s kon\u0161tantn\u00fdm kr\u00fatiacim momentom je 5\u201350 Hz a rozsah kon\u0161tantn\u00e9ho v\u00fdkonu siaha od 50 Hz do 100 Hz, v\u010faka \u010domu s\u00fa tieto motory vhodn\u00e9 pre aplik\u00e1cie s n\u00edzkymi ot\u00e1\u010dkami a vysok\u00fdm kr\u00fatiacim momentom, ako aj pre aplik\u00e1cie s vysok\u00fdm kon\u0161tantn\u00fdm v\u00fdkonom.<\/p>\n

\"Invertorov\u00fd<\/p>\n<\/div>\n<\/div>\n

Technick\u00e9 \u0161pecifik\u00e1cie<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\n\u0160pecifik\u00e1cia<\/th>\n<\/tr>\n<\/thead>\n
S\u00e9ria motorov<\/td>\nYVF2 (prev\u00e1dzka s meni\u010dom, k dispoz\u00edcii je IE2\/IE3)<\/td>\n<\/tr>\n
Rozsah v\u00fdkonu<\/td>\n0,55 kW \u2013 315 kW (0,75 HP \u2013 420 HP)<\/td>\n<\/tr>\n
Ve\u013ekosti r\u00e1mov IEC<\/td>\n80M, 90S\/L, 100L, 112M, 132S\/L, 160M\/L, 180M\/L, 200L, 225S\/M, 250M, 280S\/M, 315S\/M\/L<\/td>\n<\/tr>\n
Po\u010det p\u00f3lov<\/td>\n4-p\u00f3lov\u00fd \u0161tandard (1500 ot.\/min. pri 50 Hz); 2-p\u00f3lov\u00fd a 6-p\u00f3lov\u00fd na po\u017eiadanie<\/td>\n<\/tr>\n
Menovit\u00e9 nap\u00e4tie<\/td>\n380 V (\u0161tandard), 400 V, 440 V, 460 V, 690 V k dispoz\u00edcii<\/td>\n<\/tr>\n
Z\u00e1kladn\u00e1 frekvencia<\/td>\n\u0160tandard 50 Hz (k dispoz\u00edcii je 60 Hz)<\/td>\n<\/tr>\n
Rozsah kon\u0161tantn\u00e9ho kr\u00fatiaceho momentu<\/td>\n5 Hz \u2013 50 Hz (pomer ot\u00e1\u010dok 10:1)<\/td>\n<\/tr>\n
Rozsah kon\u0161tantn\u00e9ho v\u00fdkonu<\/td>\n50 Hz \u2013 100 Hz<\/td>\n<\/tr>\n
Trieda izol\u00e1cie<\/td>\nTrieda H (180 \u00b0C) s magnetick\u00fdm dr\u00f4tom odoln\u00fdm vo\u010di kor\u00f3ne<\/td>\n<\/tr>\n
Trieda ochrany<\/td>\nIP55 (prachotesn\u00e9, chr\u00e1nen\u00e9 pred striekaj\u00facou vodou)<\/td>\n<\/tr>\n
Met\u00f3da chladenia<\/td>\nIC416 (\u00faplne uzavret\u00fd, nez\u00e1visle vetran\u00fd samostatn\u00fdm striedav\u00fdm motorom ventil\u00e1tora)<\/td>\n<\/tr>\n
Nap\u00e1janie chladiaceho ventil\u00e1tora<\/td>\nJednof\u00e1zov\u00e9 220 V\/50 Hz alebo trojf\u00e1zov\u00e9 380 V\/50 Hz (priame pripojenie k elektrickej sieti, nie k v\u00fdstupu meni\u010da frekvencie)<\/td>\n<\/tr>\n
Mo\u017enos\u0165 enkod\u00e9ra<\/td>\nInkrement\u00e1lny enkod\u00e9r 1024 PPR (impulzy na ot\u00e1\u010dku), v\u00fdstup 5V TTL alebo 12V linkov\u00e9ho budi\u010da<\/td>\n<\/tr>\n
Menovit\u00e9 izola\u010dn\u00e9 nap\u00e4tie<\/td>\nOdol\u00e1va \u0161pi\u010dkov\u00e9mu nap\u00e4tiu \u2265 1 600 V z v\u00fdstupu PWM meni\u010da (dV\/dt \u2265 1 000 V\/\u00b5s)<\/td>\n<\/tr>\n
Hodnotenie povinnosti<\/td>\nS1 (kontinu\u00e1lny), menovit\u00fd kr\u00fatiaci moment 100% pri v\u0161etk\u00fdch ot\u00e1\u010dkach v rozsahu kon\u0161tantn\u00e9ho kr\u00fatiaceho momentu<\/td>\n<\/tr>\n
Mont\u00e1\u017e<\/td>\nIM B3 (noha), IM B5 (pr\u00edruba), IM B35 (kombinovan\u00e9)<\/td>\n<\/tr>\n
Materi\u00e1l puzdra<\/td>\nHlin\u00edkov\u00e1 zliatina (r\u00e1m 80\u2013160), liatina (r\u00e1m 160\u2013315)<\/td>\n<\/tr>\n
Vibr\u00e1cie (bez z\u00e1\u0165a\u017ee)<\/td>\n\u2264 1,8 mm\/s (r\u00e1m 80 \u2013 132); \u2264 2,8 mm\/s (r\u00e1m 160 \u2013 315)<\/td>\n<\/tr>\n
\u0160um (bez z\u00e1\u0165a\u017ee, pri z\u00e1kladnej frekvencii)<\/td>\nR\u00e1m 80: 73 dB(A); R\u00e1m 132: 80 dB(A); R\u00e1m 200: 92 dB(A); R\u00e1m 280: 99 dB(A)<\/td>\n<\/tr>\n
Kompatibilita s meni\u010dmi frekvencie<\/td>\nKompatibiln\u00e9 so v\u0161etk\u00fdmi hlavn\u00fdmi zna\u010dkami VFD: ABB ACS, Siemens G120\/S120, Danfoss FC, Yaskawa A1000, Delta VFD, Schneider ATV<\/td>\n<\/tr>\n
S\u00falad s normami<\/td>\nJB\/T 7118-2004, IEC 60034, GB\/T 755, NEMA MG1 \u010das\u0165 31 (motory nap\u00e1jan\u00e9 meni\u010dom)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Charakteristiky kr\u00fatiaceho momentu a r\u00fdchlosti<\/h2>\n

Nasleduj\u00faca tabu\u013eka zobrazuje menovit\u00fd v\u00fdstupn\u00fd v\u00fdkon, menovit\u00fd kr\u00fatiaci moment a zodpovedaj\u00facu kapacitu frekven\u010dn\u00e9ho meni\u010da pre na\u0161e 4-p\u00f3lov\u00e9 motory s\u00e9rie YVF2. Rozsah kon\u0161tantn\u00e9ho kr\u00fatiaceho momentu umo\u017e\u0148uje pln\u00fd menovit\u00fd kr\u00fatiaci moment od 5 Hz do 50 Hz. Nad 50 Hz motor prejde do re\u017eimu kon\u0161tantn\u00e9ho v\u00fdkonu, pri\u010dom kr\u00fatiaci moment kles\u00e1 nepriamo \u00famerne k r\u00fdchlosti.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Ve\u013ekos\u0165 r\u00e1mu<\/th>\nMenovit\u00fd v\u00fdkon (kW)<\/th>\nMenovit\u00fd kr\u00fatiaci moment (N\u00b7m)<\/th>\nPriraden\u00fd meni\u010d frekvencie (kW)<\/th>\nRozsah kon\u0161tantn\u00e9ho kr\u00fatiaceho momentu (Hz)<\/th>\nRozsah kon\u0161tantn\u00e9ho v\u00fdkonu (Hz)<\/th>\n<\/tr>\n<\/thead>\n
80 mili\u00f3nov<\/td>\n0,55 \u2013 0,75<\/td>\n3,5 \u2013 4,7<\/td>\n0,75 \u2013 1,5<\/td>\n5 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n
90S\/L<\/td>\n1,1 \u2013 1,5<\/td>\n7,0 \u2013 9,5<\/td>\n1,5 \u2013 2,2<\/td>\n5 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n
100 l<\/td>\n2,2 \u2013 3,0<\/td>\n14 \u2013 19<\/td>\n3,0 \u2013 4,0<\/td>\n5 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n
132S\/M<\/td>\n5,5 \u2013 7,5<\/td>\n35 \u2013 47,7<\/td>\n7,5 \u2013 11<\/td>\n5 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n
160M\/l<\/td>\n11 \u2013 15<\/td>\n70 \u2013 95,5<\/td>\n15 \u2013 18,5<\/td>\n5 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n
180M\/l<\/td>\n18,5 \u2013 22<\/td>\n117 \u2013 140,9<\/td>\n22 \u2013 30<\/td>\n5 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n
200 l<\/td>\n30<\/td>\n190.9<\/td>\n37<\/td>\n5 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n
225S\/M<\/td>\n37 \u2013 45<\/td>\n235,5 \u2013 286,4<\/td>\n45 \u2013 55<\/td>\n5 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n
250 mili\u00f3nov<\/td>\n55<\/td>\n350.1<\/td>\n75<\/td>\n3 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n
280S\/M<\/td>\n75 \u2013 90<\/td>\n447,7 \u2013 572,9<\/td>\n90 \u2013 110<\/td>\n3 \u2013 50<\/td>\n50 \u2013 100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Pre\u010do pou\u017e\u00edva\u0165 \u0161pecializovan\u00fd motor s frekven\u010dn\u00fdm meni\u010dom namiesto \u0161tandardn\u00e9ho motora<\/h2>\n

Zatia\u013e \u010do \u0161tandardn\u00e9 trojf\u00e1zov\u00e9 asynchr\u00f3nne motory je mo\u017en\u00e9 prev\u00e1dzkova\u0165 s meni\u010dom frekvencie (VFD) pre z\u00e1kladn\u00fa regul\u00e1ciu ot\u00e1\u010dok, pri pou\u017eit\u00ed \u00fa\u010delovo vyroben\u00e9ho motora s meni\u010dom frekvencie existuj\u00fa merate\u013en\u00e9 rozdiely vo v\u00fdkone a spo\u013eahlivosti. Nasleduj\u00faca tabu\u013eka zd\u00f4raz\u0148uje technick\u00e9 d\u00f4vody pre \u0161pecifik\u00e1ciu motora YVF2 pre n\u00e1ro\u010dn\u00e9 aplik\u00e1cie s premenlivou r\u00fdchlos\u0165ou.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Funkcia<\/th>\n\u0160tandardn\u00fd motor na frekven\u010dnom meni\u010di<\/th>\nInvertorov\u00fd motor YVF2<\/th>\n<\/tr>\n<\/thead>\n
Izola\u010dn\u00fd syst\u00e9m<\/td>\nTrieda F (155 \u00b0C), \u0161tandardn\u00fd dr\u00f4t<\/td>\nDr\u00f4t odoln\u00fd vo\u010di kor\u00f3ne triedy H (180 \u00b0C) s menovitou \u0161pi\u010dkovou hodnotou \u22651 600 V<\/td>\n<\/tr>\n
Chladenie pri n\u00edzkej r\u00fdchlosti<\/td>\nVentil\u00e1tor namontovan\u00fd na hriadeli \u2013 prietok vzduchu kles\u00e1 \u00famerne s r\u00fdchlos\u0165ou<\/td>\nNez\u00e1visl\u00fd ventil\u00e1tor be\u017e\u00ed kon\u0161tantnou r\u00fdchlos\u0165ou \u2013 pln\u00e9 chladenie pri v\u0161etk\u00fdch ot\u00e1\u010dkach motora<\/td>\n<\/tr>\n
Kr\u00fatiaci moment pri n\u00edzkych ot\u00e1\u010dkach<\/td>\nMus\u00ed by\u0165 zn\u00ed\u017een\u00fd pod 25 Hz (typicky kr\u00fatiaci moment 60\u201370% pri 10 Hz)<\/td>\nMenovit\u00fd kr\u00fatiaci moment 100% od 5 Hz do 50 Hz \u2013 nie je potrebn\u00e9 zn\u00ed\u017eenie v\u00fdkonu<\/td>\n<\/tr>\n
Sp\u00e4tn\u00e1 v\u00e4zba o r\u00fdchlosti<\/td>\nIba riadenie V\/f v otvorenej slu\u010dke<\/td>\nVektorov\u00e9 riadenie s uzavretou slu\u010dkou s volite\u013en\u00fdm enkod\u00e9rom 1024 PPR<\/td>\n<\/tr>\n
Predpokladan\u00e1 \u017eivotnos\u0165 vinutia<\/td>\nZn\u00ed\u017een\u00e9 o 30\u201350% v d\u00f4sledku nap\u00e4\u0165ov\u00e9ho nam\u00e1hania PWM<\/td>\nPln\u00e1 menovit\u00e1 \u017eivotnos\u0165 vinutia \u2013 izol\u00e1cia navrhnut\u00e1 pre prev\u00e1dzku s meni\u010dom<\/td>\n<\/tr>\n
Ochrana lo\u017eiskov\u00e9ho pr\u00fadu<\/td>\n\u017diadne \u2013 riziko ryhovania lo\u017eiska<\/td>\nMo\u017enos\u0165 izolovan\u00e9ho lo\u017eiska (r\u00e1m 160+) alebo uzem\u0148ovac\u00ed kr\u00fa\u017eok hriade\u013ea<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Vlastnosti a technick\u00e9 v\u00fdhody<\/h2>\n
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Izola\u010dn\u00fd syst\u00e9m odoln\u00fd vo\u010di kor\u00f3ne<\/h3>\n

V\u0161etky statorov\u00e9 vinutia YVF2 pou\u017e\u00edvaj\u00fa dvojito potiahnut\u00fd magnetick\u00fd dr\u00f4t odoln\u00fd vo\u010di kor\u00f3ne s menovitou impulznou nap\u00e4\u0165ovou odolnos\u0165ou minim\u00e1lne 1 600 V. Izol\u00e1cia dr\u00f4tu obsahuje nano-smalt, ktor\u00fd odol\u00e1va degrad\u00e1cii \u010diasto\u010dn\u00fdm v\u00fdbojom sp\u00f4sobenej vysokofrekven\u010dn\u00fdm PWM prep\u00ednan\u00edm. V kombin\u00e1cii s \u00fapravou VPI (v\u00e1kuovo-tlakov\u00e1 impregn\u00e1cia) si tento izola\u010dn\u00fd syst\u00e9m zachov\u00e1va svoju dielektrick\u00fa integritu po\u010das celej \u017eivotnosti motora, a to aj pri nepretr\u017eitom buden\u00ed meni\u010dom.<\/p>\n<\/div>\n

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Nez\u00e1visl\u00e9 chladenie s n\u00faten\u00fdm vetran\u00edm (IC416)<\/h3>\n

Samostatn\u00fd motor ventil\u00e1tora namontovan\u00fd na konzole NDE zabezpe\u010duje kon\u0161tantn\u00fd prietok vzduchu bez oh\u013eadu na ot\u00e1\u010dky hlavn\u00e9ho motora. T\u00fdm sa eliminuje probl\u00e9m s tepeln\u00fdm zn\u00ed\u017een\u00edm v\u00fdkonu, ku ktor\u00e9mu doch\u00e1dza, ke\u010f sa \u0161tandardn\u00fd ventil\u00e1tor namontovan\u00fd na hriadeli spomal\u00ed pri n\u00edzkych ot\u00e1\u010dkach motora. Chladiaci ventil\u00e1tor je nap\u00e1jan\u00fd priamo zo siete (nie z v\u00fdstupu meni\u010da frekvencie), \u010do zabezpe\u010duje konzistentn\u00fd chladiaci v\u00fdkon od zastavenia a\u017e po maxim\u00e1lne ot\u00e1\u010dky. Motor ventil\u00e1tora m\u00e1 typicky menovit\u00fd v\u00fdkon 30 \u2013 80 W v z\u00e1vislosti od ve\u013ekosti r\u00e1mu.<\/p>\n<\/div>\n

\n

Volite\u013en\u00fd enkod\u00e9r pre riadenie v uzavretej slu\u010dke<\/h3>\n

Na pred\u013a\u017eenie hriade\u013ea NDE je mo\u017en\u00e9 z v\u00fdroby nain\u0161talova\u0165 inkrement\u00e1lny enkod\u00e9r (1024 PPR, 5V TTL alebo 12V linkov\u00fd budi\u010d). Ten poskytuje presn\u00fa sp\u00e4tn\u00fa v\u00e4zbu ot\u00e1\u010dok pre frekven\u010dn\u00fd meni\u010d pre vektorov\u00e9 riadenie v uzavretej slu\u010dke, \u010do umo\u017e\u0148uje presnos\u0165 regul\u00e1cie ot\u00e1\u010dok \u00b10,01% a \u010dasy odozvy kr\u00fatiaceho momentu pod 10 ms. Sp\u00e4tn\u00e1 v\u00e4zba z enkod\u00e9ra je potrebn\u00e1 pre aplik\u00e1cie vy\u017eaduj\u00face presn\u00fa synchroniz\u00e1ciu ot\u00e1\u010dok, ako s\u00fa viacosov\u00e9 nav\u00edja\u010dky, syst\u00e9my na manipul\u00e1ciu s p\u00e1som a vreten\u00e1 CNC obr\u00e1bac\u00edch strojov.<\/p>\n<\/div>\n

\n

Dizajn s n\u00edzkym kr\u00fatiacim momentom a zvlnen\u00edm<\/h3>\n

Geometria dr\u00e1\u017eky statora a uhol sklonu rotorovej ty\u010de s\u00fa optimalizovan\u00e9 \u0161peci\u00e1lne pre budenie s premenlivou frekvenciou. To zni\u017euje elektromagnetick\u00e9 pulz\u00e1cie kr\u00fatiaceho momentu pri n\u00edzkych frekvenci\u00e1ch, \u010do vedie k plynulej\u0161iemu ot\u00e1\u010daniu hriade\u013ea bez efektu ozubenia, ktor\u00fd sa m\u00f4\u017ee vyskytn\u00fa\u0165 pri be\u017eiacich \u0161tandardn\u00fdch motoroch s r\u00fdchlos\u0165ami pod 15 Hz. Plynul\u00e1 prev\u00e1dzka pri n\u00edzkych ot\u00e1\u010dkach je kritick\u00e1 pre polohovanie dopravn\u00edkov, pohony z\u00e1vitoviek extrud\u00e9rov a aplik\u00e1cie presn\u00e9ho nan\u00e1\u0161ania povrchov.<\/p>\n<\/div>\n<\/div>\n

\"o<\/p>\n

Priemyseln\u00e9 aplik\u00e1cie<\/h2>\n

Motory s frekven\u010dn\u00fdm meni\u010dom (VFD) sp\u00e1rovan\u00e9 s meni\u010dmi frekvencie pon\u00fakaj\u00fa v\u00fdznamn\u00e9 v\u00fdhody v oblasti \u00faspory energie, riadenia procesov a ochrany zariaden\u00ed v \u0161irokej \u0161k\u00e1le priemyseln\u00fdch odvetv\u00ed:<\/p>\n

\n\n\n\n
\"Pou\u017eitie<\/p>\n

Ventil\u00e1tory a \u010derpadl\u00e1 HVAC<\/h3>\n

Regul\u00e1cia ot\u00e1\u010dok odstrediv\u00fdch ventil\u00e1torov a \u010derpadiel zni\u017euje spotrebu energie o 30\u2013601 TP3T v porovnan\u00ed s prev\u00e1dzkou s pevn\u00fdmi ot\u00e1\u010dkami a \u0161krtiacimi ventilmi. Afinitn\u00e9 z\u00e1kony znamenaj\u00fa, \u017ee spotreba energie kles\u00e1 s tre\u0165ou mocninou zn\u00ed\u017eenia ot\u00e1\u010dok.<\/p>\n<\/td>\n

\"Aplik\u00e1cia<\/p>\n

Tla\u010d a spracovanie webu<\/h3>\n

Vektorov\u00e9 riadenie s uzavretou slu\u010dkou a sp\u00e4tnou v\u00e4zbou z enkod\u00e9ra umo\u017e\u0148uje presn\u00fa regul\u00e1ciu napnutia p\u00e1su a synchroniz\u00e1ciu r\u00fdchlosti linky medzi viacer\u00fdmi tla\u010dov\u00fdmi stanicami, nav\u00edja\u010dkami a odv\u00edja\u010dmi pracuj\u00facimi koordinovan\u00fdmi r\u00fdchlos\u0165ami.<\/p>\n<\/td>\n

\"Pou\u017eitie<\/p>\n

\u0164ahanie textilu a dr\u00f4tov<\/h3>\n

Vretenov\u00e9 pohony s premenlivou r\u00fdchlos\u0165ou pre spriadacie stroje, \u0165ahacie stroje a s\u00fastruhy. Nastavenie r\u00fdchlosti umo\u017e\u0148uje spracovanie r\u00f4znych typov vl\u00e1kien a \u0161pecifik\u00e1ci\u00ed denier bez mechanick\u00e9ho prep\u00ednania prevodov.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\n
\n

Extrud\u00e9ry a spracovanie plastov<\/h3>\n

R\u00fdchlos\u0165 z\u00e1vitovky priamo riadi v\u00fdstupn\u00fa r\u00fdchlos\u0165 a kvalitu taveniny. Motory s frekven\u010dn\u00fdm meni\u010dom (VFD) zabezpe\u010duj\u00fa plynul\u00e9 ot\u00e1\u010danie bez vibr\u00e1ci\u00ed od menovit\u00fdch ot\u00e1\u010dok 10% do 100%. Kon\u0161tantn\u00fd kr\u00fatiaci moment pri n\u00edzkych ot\u00e1\u010dkach je nevyhnutn\u00fd pre spracovanie polym\u00e9rov s vysokou viskozitou. Typick\u00fd rozsah v\u00fdkonu: 11 \u2013 160 kW.<\/p>\n<\/div>\n

\n

Vreten\u00e1 CNC obr\u00e1bac\u00edch strojov<\/h3>\n

Pohony vretien fr\u00e9zok, s\u00fastruhov a br\u00fasok vy\u017eaduj\u00fa \u0161irok\u00fd rozsah ot\u00e1\u010dok s kon\u0161tantn\u00fdm v\u00fdkonom nad z\u00e1kladnou frekvenciou. Rozsah kon\u0161tantn\u00e9ho v\u00fdkonu 50 \u2013 100 Hz umo\u017e\u0148uje zdvojn\u00e1sobenie ot\u00e1\u010dok vretena pre \u013eahk\u00e9 dokon\u010dovacie rezy, \u010d\u00edm sa zlep\u0161uje kvalita povrchu a \u010das cyklu.<\/p>\n<\/div>\n

\n

Dopravn\u00edky a manipul\u00e1cia s materi\u00e1lom<\/h3>\n

Nastavite\u013en\u00e1 r\u00fdchlos\u0165 dopravn\u00edka umo\u017e\u0148uje vyva\u017eovanie linky, \u0161etrn\u00fa manipul\u00e1ciu s produktom a riadenie akumula\u010dnej z\u00f3ny. M\u00e4kk\u00fd \u0161tart pomocou rampy VFD eliminuje preklz\u00e1vanie p\u00e1su a zni\u017euje mechanick\u00e9 nam\u00e1hanie spojok, lo\u017e\u00edsk a spojov p\u00e1su.<\/p>\n<\/div>\n<\/div>\n

Sprievodca p\u00e1rovan\u00edm motora a pohonu s frekven\u010dn\u00fdm meni\u010dom<\/h2>\n

Pri v\u00fdbere meni\u010da frekvencie (VFD) na p\u00e1rovanie s motorom YVF2 mus\u00ed by\u0165 menovit\u00fd v\u00fdstupn\u00fd pr\u00fad VFD rovn\u00fd alebo vy\u0161\u0161\u00ed ako menovit\u00fd pr\u00fad motora. Pre n\u00e1ro\u010dn\u00e9 aplik\u00e1cie (\u010dast\u00e9 \u0161tarty, vysok\u00e9 zotrva\u010dn\u00e9 za\u0165a\u017eenia alebo prev\u00e1dzka s trval\u00fdm pre\u0165a\u017een\u00edm) vyberte VFD o jednu ve\u013ekos\u0165 v\u00e4\u010d\u0161\u00ed, ako je menovit\u00fd pr\u00fad motora. Nasleduj\u00faca tabu\u013eka uv\u00e1dza odpor\u00fa\u010dan\u00e9 dimenzovanie VFD:<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
V\u00fdkon motora (kW)<\/th>\nMenovit\u00fd pr\u00fad motora (A)<\/th>\nNorm\u00e1lna prev\u00e1dzka meni\u010da frekvencie (kW)<\/th>\n\u0164a\u017ek\u00fd v\u00fdkon meni\u010da frekvencie (kW)<\/th>\n<\/tr>\n<\/thead>\n
0.75<\/td>\n2.1<\/td>\n0.75<\/td>\n1.5<\/td>\n<\/tr>\n
2.2<\/td>\n5.1<\/td>\n2.2<\/td>\n4.0<\/td>\n<\/tr>\n
5.5<\/td>\n12.2<\/td>\n5.5<\/td>\n7.5<\/td>\n<\/tr>\n
11<\/td>\n23.8<\/td>\n11<\/td>\n15<\/td>\n<\/tr>\n
22<\/td>\n45.5<\/td>\n22<\/td>\n30<\/td>\n<\/tr>\n
45<\/td>\n89.0<\/td>\n45<\/td>\n55<\/td>\n<\/tr>\n
75<\/td>\n139.6<\/td>\n75<\/td>\n90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Pozn\u00e1mky k in\u0161tal\u00e1cii a zapojeniu<\/h2>\n
\n
\n
1<\/div>\n
\n

Pripojte hlavn\u00e9 nap\u00e1jacie k\u00e1ble motora (U1, V1, W1) k v\u00fdstupn\u00fdm svork\u00e1m meni\u010da frekvencie (U, V, W). Pou\u017eite tienen\u00fd k\u00e1bel motora s uzemnen\u00fdm tienen\u00edm na strane meni\u010da frekvencie aj motora, aby sa zn\u00ed\u017eilo elektromagnetick\u00e9 ru\u0161enie. D\u013a\u017eka k\u00e1bla medzi meni\u010dom frekvencie a motorom by nemala presiahnu\u0165 50 metrov bez v\u00fdstupnej tlmivky alebo filtra dV\/dt.<\/p>\n<\/div>\n<\/div>\n

\n
2<\/div>\n
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Pripojte nez\u00e1visl\u00fd chladiaci ventil\u00e1tor priamo k elektrickej sieti pomocou samostatn\u00e9ho isti\u010da alebo st\u00fdka\u010da. Neprip\u00e1jajte ventil\u00e1tor k v\u00fdstupu meni\u010da frekvencie (VFD). Ventil\u00e1tor mus\u00ed be\u017ea\u0165 nepretr\u017eite v\u017edy, ke\u010f je motor v prev\u00e1dzke, a to aj po\u010das prev\u00e1dzky s n\u00edzkou r\u00fdchlos\u0165ou.<\/p>\n<\/div>\n<\/div>\n

\n
3<\/div>\n
\n

Ak je nain\u0161talovan\u00fd enkod\u00e9r, pripojte k\u00e1bel enkod\u00e9ra k vstupnej karte VFD PG (gener\u00e1tor impulzov) pomocou tienen\u00e9ho kr\u00faten\u00e9ho p\u00e1rov\u00e9ho k\u00e1bla. Udr\u017eujte k\u00e1bel enkod\u00e9ra oddelen\u00fd od nap\u00e1jac\u00edch k\u00e1blov aspo\u0148 200 mm a kr\u00ed\u017ete ich pod uhlom 90\u00b0 tam, kde oddelenie nie je mo\u017en\u00e9.<\/p>\n<\/div>\n<\/div>\n

\n
4<\/div>\n
\n

Pri k\u00e1bloch motora dlh\u0161\u00edch ako 30 metrov nain\u0161talujte na v\u00fdstup meni\u010da frekvencie s\u00ednusov\u00fd filter alebo tlmivku dV\/dt, aby ste obmedzili nap\u00e4\u0165ov\u00e9 \u0161pi\u010dky na svork\u00e1ch motora. T\u00fdm sa predl\u017euje \u017eivotnos\u0165 izol\u00e1cie motora, najm\u00e4 pri motoroch prev\u00e1dzkovan\u00fdch v syst\u00e9moch s nap\u00e4t\u00edm 460 V alebo 690 V, kde nap\u00e4tie odrazenej vlny m\u00f4\u017ee prekro\u010di\u0165 \u0161pi\u010dku 1 200 V.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n

\u010co je to VFD motor a ako sa l\u00ed\u0161i od \u0161tandardn\u00e9ho motora?<\/h3>\n

Motor s frekven\u010dn\u00fdm meni\u010dom (tie\u017e naz\u00fdvan\u00fd invertorov\u00fd motor) je trojf\u00e1zov\u00fd asynchr\u00f3nny motor \u0161peci\u00e1lne navrhnut\u00fd na prev\u00e1dzku s meni\u010dom frekvencie. Od \u0161tandardn\u00e9ho motora sa l\u00ed\u0161i v troch k\u013e\u00fa\u010dov\u00fdch oblastiach: zosilnen\u00e1 izol\u00e1cia, ktor\u00e1 odol\u00e1va nap\u00e4\u0165ov\u00fdm \u0161pi\u010dk\u00e1m PWM, nez\u00e1visl\u00fd chladiaci ventil\u00e1tor, ktor\u00fd zabezpe\u010duje kon\u0161tantn\u00e9 pr\u00fadenie vzduchu pri v\u0161etk\u00fdch r\u00fdchlostiach, a optimalizovan\u00e1 elektromagnetick\u00e1 kon\u0161trukcia pre plynul\u00e9 dod\u00e1vanie kr\u00fatiaceho momentu v celom rozsahu r\u00fdchlost\u00ed.<\/p>\n<\/div>\n

\n

M\u00f4\u017eem pou\u017ei\u0165 \u0161tandardn\u00fd trojf\u00e1zov\u00fd motor s frekven\u010dn\u00fdm meni\u010dom (VFD)?<\/h3>\n

\u00c1no, pre z\u00e1kladn\u00e9 aplik\u00e1cie s obmedzen\u00fdm rozsahom ot\u00e1\u010dok (zvy\u010dajne 30 \u2013 60 Hz) a stredn\u00fdmi pracovn\u00fdmi cyklami. \u0160tandardn\u00e9 motory v\u0161ak musia by\u0165 pri n\u00edzkych ot\u00e1\u010dkach od\u013eah\u010den\u00e9 kv\u00f4li zn\u00ed\u017eenej chladiacej kapacite a izola\u010dn\u00fd syst\u00e9m sa m\u00f4\u017ee pri nepretr\u017eitej prev\u00e1dzke s meni\u010dom r\u00fdchlej\u0161ie opotrebova\u0165. Pre aplik\u00e1cie vy\u017eaduj\u00face prev\u00e1dzku pod 20 Hz, \u010dast\u00e9 zmeny ot\u00e1\u010dok alebo nepretr\u017eit\u00fa prev\u00e1dzku s n\u00edzkou r\u00fdchlos\u0165ou sa odpor\u00fa\u010da \u0161peci\u00e1lny motor s frekven\u010dn\u00fdm meni\u010dom (VFD), aby sa predi\u0161lo pred\u010dasn\u00e9mu zlyhaniu izol\u00e1cie.<\/p>\n<\/div>\n

\n

Ak\u00fd je rozsah ot\u00e1\u010dok s kon\u0161tantn\u00fdm kr\u00fatiacim momentom?<\/h3>\n

Rozsah kon\u0161tantn\u00e9ho kr\u00fatiaceho momentu je frekven\u010dn\u00e9 p\u00e1smo, v ktorom motor dok\u00e1\u017ee doda\u0165 100% svojho menovit\u00e9ho kr\u00fatiaceho momentu bez tepeln\u00e9ho zn\u00ed\u017eenia v\u00fdkonu. Pre na\u0161u s\u00e9riu YVF2 je tento rozsah 5 Hz a\u017e 50 Hz (z\u00e1kladn\u00e1 frekvencia). Pod 5 Hz sa kr\u00fatiaci moment za\u010d\u00edna zni\u017eova\u0165. Nad 50 Hz motor prech\u00e1dza do re\u017eimu kon\u0161tantn\u00e9ho v\u00fdkonu, kde kr\u00fatiaci moment kles\u00e1 nepriamo \u00famerne k r\u00fdchlosti, zatia\u013e \u010do v\u00fdstupn\u00fd v\u00fdkon zost\u00e1va kon\u0161tantn\u00fd a\u017e do 100 Hz.<\/p>\n<\/div>\n

\n

Potrebujem enkod\u00e9r pre moju aplik\u00e1ciu s frekven\u010dn\u00fdm meni\u010dom (VFD)?<\/h3>\n

Pre v\u00e4\u010d\u0161inu aplik\u00e1ci\u00ed s premenliv\u00fdm kr\u00fatiacim momentom, ako s\u00fa ventil\u00e1tory, \u010derpadl\u00e1 a d\u00fachadl\u00e1, kde otvoren\u00e1 slu\u010dka V\/f alebo bezsn\u00edma\u010dov\u00e9 vektorov\u00e9 riadenie poskytuje dostato\u010dn\u00fa regul\u00e1ciu ot\u00e1\u010dok (typicky presnos\u0165 \u00b10,5\u20131%), nie je potrebn\u00fd enkod\u00e9r. Enkod\u00e9r sa odpor\u00fa\u010da pre aplik\u00e1cie vy\u017eaduj\u00face presn\u00fa regul\u00e1ciu ot\u00e1\u010dok (\u00b10,01%), vysok\u00fa dynamick\u00fa odozvu kr\u00fatiaceho momentu, udr\u017eiavac\u00ed moment pri nulov\u00fdch ot\u00e1\u010dkach alebo synchroniz\u00e1ciu ot\u00e1\u010dok vo viacer\u00fdch osiach. Medzi be\u017en\u00e9 aplik\u00e1cie vy\u017eaduj\u00face enkod\u00e9r patria nav\u00edja\u010dky, odv\u00edja\u010dky, CNC vreten\u00e1 a viacdielne tla\u010diarensk\u00e9 stroje.<\/p>\n<\/div>\n

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Ko\u013eko energie m\u00f4\u017ee meni\u010d s frekvenciou u\u0161etri\u0165 pri aplik\u00e1ci\u00e1ch s \u010derpadlom a ventil\u00e1torom?<\/h3>\n

Pri odstrediv\u00fdch \u010derpadl\u00e1ch a ventil\u00e1toroch, ktor\u00e9 sa riadia z\u00e1konmi afinity, zn\u00ed\u017eenie ot\u00e1\u010dok o 201 TP3T vedie k zn\u00ed\u017eeniu spotreby energie pribli\u017ene o 501 TP3T. V typick\u00fdch in\u0161tal\u00e1ci\u00e1ch HVAC a vodn\u00fdch \u010derpadiel u\u0161etr\u00ed riadenie pomocou frekven\u010dn\u00e9ho meni\u010da 30 \u2013 601 TP3T energie v porovnan\u00ed s prev\u00e1dzkou s pevn\u00fdmi ot\u00e1\u010dkami so \u0161krtiacimi ventilmi alebo klapkami. Doba n\u00e1vratnosti invest\u00edcie do frekven\u010dn\u00e9ho meni\u010da je zvy\u010dajne 6 a\u017e 18 mesiacov v z\u00e1vislosti od prev\u00e1dzkov\u00fdch hod\u00edn a tar\u00edf elektriny.<\/p>\n<\/div>\n

\n

\u010co je to ryhovanie lo\u017e\u00edsk a ako tomu predch\u00e1dzaj\u00fa motory s frekven\u010dn\u00fdm meni\u010dom?<\/h3>\n

Dr\u00e1\u017ekovanie lo\u017eiska je prejav po\u0161kodenia lo\u017eiskov\u00fdch dr\u00e1\u017eok elektrick\u00fdm v\u00fdbojom, ktor\u00e9 je sp\u00f4soben\u00e9 pr\u00fadmi spolo\u010dn\u00e9ho re\u017eimu generovan\u00fdmi prep\u00ednan\u00edm frekven\u010dn\u00fdch meni\u010dov. Postupom \u010dasu tieto mikro jamky vytv\u00e1raj\u00fa vidite\u013en\u00e9 dr\u00e1\u017eky (\u017e\u013eaby) v lo\u017eiskov\u00fdch dr\u00e1\u017ekach, \u010do vedie k zv\u00fd\u0161en\u00e9mu hluku, vibr\u00e1ci\u00e1m a pred\u010dasn\u00e9mu zlyhaniu lo\u017e\u00edsk. Na\u0161e motory YVF2 s ve\u013ekos\u0165ami r\u00e1mu 160 a viac s\u00fa k dispoz\u00edcii s izolovan\u00fdm lo\u017eiskom na strane bez pohonu a\/alebo uzem\u0148ovac\u00edm kefkov\u00fdm kr\u00fa\u017ekom hriade\u013ea, ktor\u00fd odv\u00e1dza tieto pr\u00fady od povrchov lo\u017e\u00edsk.<\/p>\n<\/div>\n

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Ktor\u00e9 zna\u010dky VFD s\u00fa kompatibiln\u00e9 s va\u0161imi motormi YVF2?<\/h3>\n

Na\u0161e motory YVF2 s\u00fa kompatibiln\u00e9 so v\u0161etk\u00fdmi \u0161tandardn\u00fdmi PWM meni\u010dmi s nap\u00e4\u0165ov\u00fdm zdrojom. Overili sme kompatibilitu s meni\u010dmi ABB ACS580\/ACS880, Siemens G120\/S120, Danfoss FC302, Yaskawa A1000\/GA700, Delta VFD-C2000, Schneider ATV630\/ATV930, Fuji FRENIC a Mitsubishi FR-A800. \u00dadaje z typov\u00e9ho \u0161t\u00edtku motora s\u00fa poskytovan\u00e9 vo form\u00e1te vhodnom na priamy vstup do rut\u00edn automatick\u00e9ho ladenia VFD.<\/p>\n<\/div>\n

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D\u00e1 sa motor s frekven\u010dn\u00fdm meni\u010dom kombinova\u0165 aj s elektromagnetickou brzdou?<\/h3>\n

\u00c1no. Na\u0161a s\u00e9ria YVF2EJ kombinuje dizajn motora s meni\u010dom v\u00fdkonu s integrovan\u00fdm elektromagnetick\u00e1 brzda<\/a>T\u00e1to kombin\u00e1cia sa pou\u017e\u00edva pre pohony \u017eeriavov, servo polohovanie a pohony os\u00ed obr\u00e1bac\u00edch strojov, kde s\u00fa potrebn\u00e9 funkcie variabilnej r\u00fdchlosti aj bezpe\u010dnostnej brzdy. Brzdov\u00e1 cievka mus\u00ed by\u0165 zapojen\u00e1 do samostatn\u00e9ho zdroja nap\u00e1jania nez\u00e1visl\u00e9ho od v\u00fdstupu meni\u010da frekvencie.<\/p>\n<\/div>\n

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Ak\u00e1 je povolen\u00e1 d\u013a\u017eka k\u00e1bla medzi meni\u010dom frekvencie a motorom?<\/h3>\n

Bez ak\u00e9hoko\u013evek filtrovania v\u00fdstupu je maxim\u00e1lna odpor\u00fa\u010dan\u00e1 d\u013a\u017eka k\u00e1bla medzi meni\u010dom frekvencie a motorom 50 metrov pre syst\u00e9my 380 V a 30 metrov pre syst\u00e9my 460 V. Pri prekro\u010den\u00ed t\u00fdchto vzdialenost\u00ed m\u00f4\u017eu odrazen\u00e9 nap\u00e4\u0165ov\u00e9 vlny na svork\u00e1ch motora prekro\u010di\u0165 izola\u010dn\u00fa odolnos\u0165. Pri dlh\u0161\u00edch k\u00e1blov\u00fdch tras\u00e1ch nain\u0161talujte na v\u00fdstup meni\u010da frekvencie tlmivku dV\/dt alebo s\u00ednusov\u00fd filter. Na\u0161e motory YVF2 s izol\u00e1ciou triedy H poskytuj\u00fa v tomto oh\u013eade dodato\u010dn\u00fa bezpe\u010dnostn\u00fa rezervu v porovnan\u00ed so \u0161tandardn\u00fdmi motormi.<\/p>\n<\/div>\n

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Ak\u00e1 je dodacia lehota pre VFD motory s enkod\u00e9rom?<\/h3>\n

\u0160tandardn\u00e9 motory YVF2 bez enk\u00f3dera v be\u017en\u00fdch ve\u013ekostiach r\u00e1mu sa dod\u00e1vaj\u00fa do 10 \u2013 18 pracovn\u00fdch dn\u00ed. Motory s enk\u00f3derom nain\u0161talovan\u00fdm vo v\u00fdrobe vy\u017eaduj\u00fa 18 \u2013 25 pracovn\u00fdch dn\u00ed na mont\u00e1\u017e, zapojenie a testovanie enk\u00f3dera. Kontaktujte n\u00e1\u0161 t\u00edm<\/a> pre aktu\u00e1lnu dostupnos\u0165 a ceny pre va\u0161u konkr\u00e9tnu konfigur\u00e1ciu motora a enkod\u00e9ra.<\/p>\n<\/div>\n

Sk\u00fasenosti z\u00e1kazn\u00edkov<\/h2>\n
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Nain\u0161talovali sme motory YVF2-160M-4 na 12 \u010derpadiel studenej vody v na\u0161om portf\u00f3liu komer\u010dn\u00fdch budov. V kombin\u00e1cii s meni\u010dmi ABB ACS580 syst\u00e9m VFD zn\u00ed\u017eil ro\u010dn\u00fa spotrebu energie \u010derpadla o 421 TP3T v porovnan\u00ed s predch\u00e1dzaj\u00facim nastaven\u00edm s pevnou r\u00fdchlos\u0165ou a ovl\u00e1dan\u00edm \u0161krtiacou klapkou. Doba n\u00e1vratnosti bola menej ako 11 mesiacov. Nez\u00e1visl\u00e9 chladiace ventil\u00e1tory be\u017eia bez probl\u00e9mov u\u017e 20 mesiacov vkuse.<\/p>\n

Daniel W., mana\u017e\u00e9r stavebn\u00fdch slu\u017eieb<\/p>\n

Skupina pre spr\u00e1vu nehnute\u013enost\u00ed, Lond\u00fdn, Spojen\u00e9 kr\u00e1\u013eovstvo<\/p>\n<\/div>\n

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Na\u0161a linka na extr\u00faziu plastov pou\u017e\u00edva motory YVF2-200L-4 s enkod\u00e9rmi 1024 PPR na regul\u00e1ciu ot\u00e1\u010dok z\u00e1vitovky v uzavretej slu\u010dke. Stabilita ot\u00e1\u010dok je vynikaj\u00faca \u2013 namerali sme zmenu ot\u00e1\u010dok \u00b10,02% pri 15 Hz za kol\u00edsav\u00fdch podmienok za\u0165a\u017eenia. T\u00e1to \u00farove\u0148 regul\u00e1cie eliminovala probl\u00e9my s kvalitou taveniny, ktor\u00e9 sme mali pri na\u0161om predch\u00e1dzaj\u00facom nastaven\u00ed motora s otvorenou slu\u010dkou VFD.<\/p>\n

Kenji T., procesn\u00fd in\u017einier<\/p>\n

V\u00fdrobca plastov\u00fdch extr\u00fazi\u00ed, Osaka, Japonsko<\/p>\n<\/div>\n

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Potrebovali sme 8 motorov s frekven\u010dn\u00fdm meni\u010dom na moderniz\u00e1ciu nav\u00edjacej sekcie v papierenskom z\u00e1vode. T\u00edm Ever-Power n\u00e1m pomohol s dimenzovan\u00edm motorov na prev\u00e1dzku s kon\u0161tantn\u00fdm v\u00fdkonom nad z\u00e1kladnou frekvenciou, aby zodpovedali na\u0161im po\u017eiadavk\u00e1m na r\u00fdchlos\u0165 v\u00fdroby. V\u0161etky motory boli dodan\u00e9 so sp\u00e4tnou v\u00e4zbou od enkod\u00e9ra kompatibiln\u00e9ho so spolo\u010dnos\u0165ou Siemens a s predbe\u017ene otestovan\u00fdmi parametrami motora na typovom \u0161t\u00edtku pre priame automatick\u00e9 ladenie frekven\u010dn\u00e9ho meni\u010da. \u010cas integr\u00e1cie sa v porovnan\u00ed s na\u0161\u00edm be\u017en\u00fdm procesom uv\u00e1dzania do prev\u00e1dzky skr\u00e1til na polovicu.<\/p>\n

Lars E., mana\u017e\u00e9r automatiz\u00e1cie<\/p>\n

Papiere\u0148, G\u00f6teborg, \u0160v\u00e9dsko<\/p>\n<\/div>\n<\/div>\n

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D\u00f4le\u017eit\u00e1 technick\u00e1 pozn\u00e1mka<\/p>\n

Charakteristiky kr\u00fatiaceho momentu a ot\u00e1\u010dok uveden\u00e9 na tejto str\u00e1nke predpokladaj\u00fa prev\u00e1dzku so \u0161tandardn\u00fdm PWM meni\u010dom nap\u00e4tia pri menovitom nap\u00e4t\u00ed a z\u00e1kladnej frekvencii. Skuto\u010dn\u00fd v\u00fdkon motora pri riaden\u00ed VFD z\u00e1vis\u00ed od met\u00f3dy riadenia VFD (V\/f, bezsn\u00edma\u010dov\u00e9 vektorov\u00e9 riadenie alebo vektorov\u00e9 riadenie s uzavretou slu\u010dkou), nastavenia nosnej frekvencie VFD, d\u013a\u017eky k\u00e1bla motora a presnosti zadania parametrov motora v nastaven\u00ed VFD. Pre aplik\u00e1cie vy\u017eaduj\u00face zaru\u010den\u00e9 v\u00fdkonnostn\u00e9 \u0161pecifik\u00e1cie poskytnite kompletn\u00e9 parametre aplik\u00e1cie vr\u00e1tane krivky z\u00e1\u0165a\u017eov\u00e9ho kr\u00fatiaceho momentu, rozsahu ot\u00e1\u010dok a pracovn\u00e9ho cyklu. N\u00e1\u0161 technick\u00fd t\u00edm vykon\u00e1 podrobn\u00fd v\u00fdpo\u010det p\u00e1rovania motora a pohonu a poskytne overen\u00e9 v\u00fdkonnostn\u00e9 \u00fadaje. V\u0161etky \u0161pecifik\u00e1cie s\u00fa v s\u00falade s normami JB\/T 7118-2004, IEC 60034 a NEMA MG1 \u010das\u0165 31.<\/p>\n<\/div>\n

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Potrebujete cenov\u00fa ponuku na frekven\u010dn\u00fd meni\u010d (VFD)?<\/h2>\n

Povedzte n\u00e1m v\u00fdkon v\u00e1\u0161ho motora, rozsah ot\u00e1\u010dok, zna\u010dku frekven\u010dn\u00e9ho meni\u010da a \u010di potrebujete enkod\u00e9r. Do 24 hod\u00edn v\u00e1m poskytneme odpor\u00fa\u010danie zodpovedaj\u00faceho motora s technick\u00fdm listom a cenou.<\/p>\n

Vy\u017eiadajte si bezplatn\u00fa cenov\u00fa ponuku<\/a><\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Motory s premenlivou frekvenciou radu Korea Ever-Power YVF\/YVF2 s\u00fa ur\u010den\u00e9 na prev\u00e1dzku s meni\u010dmi frekvencie (VFD) a poskytuj\u00fa stabiln\u00fd kr\u00fatiaci moment v \u0161irokom rozsahu ot\u00e1\u010dok od 5 Hz do 100 Hz. Tieto invertorov\u00e9 motory, ktor\u00e9 s\u00fa dostupn\u00e9 vo ve\u013ekostiach r\u00e1mu IEC 80 a\u017e 315 s menovit\u00fdm v\u00fdkonom od 0,55 kW do 315 kW, sa vyzna\u010duj\u00fa zosilnen\u00fdmi izola\u010dn\u00fdmi syst\u00e9mami, ktor\u00e9 odol\u00e1vaj\u00fa vysokofrekven\u010dn\u00fdm PWM nap\u00e4\u0165ov\u00fdm \u0161pi\u010dk\u00e1m, nez\u00e1visl\u00fdm chladen\u00edm s n\u00fatenou ventil\u00e1ciou pre pln\u00fd kr\u00fatiaci moment pri n\u00edzkych ot\u00e1\u010dkach a volite\u013en\u00fdmi enkod\u00e9rmi namontovan\u00fdmi na hriadeli pre vektorov\u00e9 riadenie s uzavretou slu\u010dkou. S\u00fa ur\u010den\u00e9 pre automatizovan\u00e9 v\u00fdrobn\u00e9 linky, CNC obr\u00e1bacie stroje, extrud\u00e9ry, nav\u00edja\u010dky a ak\u00e9ko\u013evek aplik\u00e1cie vy\u017eaduj\u00face presn\u00e9 a nastavite\u013en\u00e9 riadenie ot\u00e1\u010dok.<\/div>","protected":false},"featured_media":28,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[19],"product_tag":[],"class_list":["post-93","product","type-product","status-publish","has-post-thumbnail","product_cat-vfd-inverter-duty-motors","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/industrialelectricmotor.net\/sk\/wp-json\/wp\/v2\/product\/93","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/industrialelectricmotor.net\/sk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/industrialelectricmotor.net\/sk\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/industrialelectricmotor.net\/sk\/wp-json\/wp\/v2\/media\/28"}],"wp:attachment":[{"href":"https:\/\/industrialelectricmotor.net\/sk\/wp-json\/wp\/v2\/media?parent=93"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/industrialelectricmotor.net\/sk\/wp-json\/wp\/v2\/product_brand?post=93"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/industrialelectricmotor.net\/sk\/wp-json\/wp\/v2\/product_cat?post=93"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/industrialelectricmotor.net\/sk\/wp-json\/wp\/v2\/product_tag?post=93"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}