Drive maqhubu: Tlhaloso le ulasan pelanggan

maqhubu a drive molao oa tsamaiso o dumella ho sebedisa converter khethehileng ho flexibly fetola mekhoa ea tšebetso ea dilenaneo ho: etsa hore qala, emisa, matsapa, braking, ho fetola lebelo la ba chenchana.

Ho fetola maqhubu a ya phepelo gagamalo isang phetoho ka lebelo angular ea matla a khoheli ea stator ena. Ha maqhubu a ya decreases, enjene lebelo decreases, le eketseha phonyohe.

Molao-motheo oa tshebetso ya maqhubu converter drive

The drawback se seholo ke ho rarahana ha Motors tshielano lebelo molao oa tsamaiso mekhoa tloaelehileng: ho fetola phepelo gagamalo le selelekela ea windings eketsehileng ka resistances potoloho. More rarahaneng ke drive maqhubu a ya metsamao ya. Ho fihlela morao tjena, ho converters pricey, empa ponahalo ea IGBT-transistors le litsamaiso microprocessor taolo e lumelloa bahlahisi tsoang linaheng tse ling ho bōpa theko ka theko e tlaase tsa sesebediswa. Phahameng ka ho fetisisa e ka finyelloang kajeno ke ee sa fetoleng boemo maqhubu converters.

The lebelo angular tsa ω stator khoheli ₀ liphetoho lekana le maqhubu ƒ ₁ ho ea ka moralo o balletsweng e:

ω ₀ = 2π × ƒ ₁ / leq,

moo leq - palo ya palo lipara.

mokhoa ea fana ka bakeng sa taolo boreleli lebelo. Ka lebelo lena enjene Setlankana e sa eketseha.

Ho fumana phahameng matla tshebetso ya enjene - the bokgoni, matla le palokatiso le nako bokgoni overload, hammoho le maqhubu a ya fetola gagamalo itshetlehileng boikemisetso ba:

• kamehla mojaro torque - U ₁ / ƒ ₁ = const;
• Fan tlhaku mojaro torque - U ₁ / ƒ _{February ¹} = const;
• mojaro torque e inversely tekanyo e lekanang ya ho lebelo ka - U ₁ / √ ƒ ₁ = const.

mesebetsi tsena di kenngwa tshebetsong ka tsela transducer karolong eo ea ha a ntse a ho fetola maqhubu le gagamalo ho dilenaneo stator. Sireletsa matla a ka ho laola ka tsela e hlokahalang entsprechen thulaganyo e: pompo khatello, bokgoni fene, tekanyo fepa ka tsa mochine, joalo-joalo The entsprechen fapana ka thelelo ..

Mekhoa bakeng sa taolo maqhubu a ya induction le synchronous Motors

The maqhubu a laoloa kganna motheong oa tshielano Motors lent-gorole tse pedi litsela tsa ho sebelisa taolo ya - scalar le vector. Tabeng ea pele, ka nako fetola molumo le maqhubu a ya phepelo gagamalo.

Sena ke ho hlokahala hore ho ho boloka enjene tshebetso, ka holimo ho tsohle - e karo-karolelano ea kamehla ea torque lona palo e kahodimodimo ho torque resistive. Ka lebaka leo ba lule ba le bokgoni tšoanang le matla ntlha ea ka kaofela ba chenchana telele.

Vector taolo ke phetoho tsoa hong ka molumo le mohato oa morao-rao ka stator ena.

Maqhubu synchronous mofuta dilenaneo drive sebetsang ka mejaro e tlase, ka nako ya kgolo ya seo ka sona feta makgabane lumeletsoe tshwanelelanang ka 'na ba hlōleha.

Menyetla ya drive maqhubu

Maqhubu a phetoho e na le ka kakaretso fapaneng ya menyetla e bapisoa le mekhoa e meng.

1. Itsamaise ya enjene le ho etsa thepa e hlophisitsweng,.
2. Smooth simolleng felisa liphoso tloaelehileng oo e etsahala nakong enjene matsapa. Eketsa drive maqhubu le tšepahala ha thepa ka ho fokotsa tsubuhlellano.
3. Eketsa bokgoni moruo le tshebetso khanna ka kakaretso.
4. Bōpa e kamehla dilenaneo lebelo le nosi tsa mofuta mojaro, e leng bohlokoa nakong transients. Sebelisa ditshwaelo tsa etsa hore ho be bonolo ho ba le kamehla enjene lebelo ka litšusumetso tse fapa-fapaneng perturbing, ka ho khetheha tlas'a meroalo fapanyetsana.
5. Converters ka habonolo o kopantswe ka mekgwa ya botekgeniki jaana ntle liphetoho tse khōlō le emisa dithulaganyo. Le matla a mefuta e fapaneng e khōlō, empa le ho eketseha ha litheko tsa bona haholo e ile ea eketseha.
6. monyetla oa hore ba hana variators, reducers, bipetsang le thepa e 'ngoe mabapi le ho laola kapa ho atolosa fapaneng ya kopo tsa bona. Sena se fella ka e khōlō ho pholosa matla.
7. Tlosoe liphello tse kotsi tsa transients ka thepa thulaganyong, tse kang shocks haeteroliki kapa eketsehileng khatello ea mokelikeli ka lipeipi ha fokotsa tshebediso ya lona bosiu.

mefokolo

Joaloka inverters tsohle chastotniki ke mehloli ea tshitiso. Ba e lokela ho ba hlomamisa filter.

boleng cha e phahameng. E eketsa haholo le ho eketseha matla a didiriswa tse.

phetoho maqhubu ha tsamaisa sephalli

Ka libaka moo phetiso e entsoe ka metsi le sephalli a mang, phallo phetoho e entsoeng ka nako e ngata ka tsela valve le di-valve. Jwale, a mo tšepisa tataiso e ho sebelisa maqhubu a drive pompo kapa fene bakeng ophthalmogyric ya di-blades ka.

Tshebediso ya inverter ka throttle mefuta e meng fana eneji, le ho pholosa ka ho sebetsa 75%. Phunyang, restraining le phallo ea mokelikeli, ha ke a etsa mosebetsi oa bohlokoa. Sena se eketsa ho lahleheloa ke matla le ntho tsa lipalangoang tsa lona.

The drive maqhubu a etsang hore ho be bonolo ho ba le khatello ea ka nako eohle ke moreki ha fetola lebelo mokelikeli phallo. Fuoa ho tswa ho khatello ea kutlo pontšo ho actuator le fetolang enjene rotational lebelo le ka tsela eo, o laola botsitso lona ha re be le esale pele sekhahla phallo.

diyuniti pompo ba laoloa ke ho fetola tshebetso bona. Matla a tshebediso ya ho tswa pompa ke ka ho itšetleha dikubita tsa tshebetso kapa lebelo lebili. Ha e turnovers fokotsa lebaka la 2, pompo tshebetso tla tepella makhetlo 8. Ho ba teng ha kemiso ea letsatsi le letsatsi ea tshebediso ya tsa metsi ho fumana chelete le matla nakong ena, ha e le taolo ka lihlahisoa tsa maqhubu a drive. Ka lebaka la ho ka khoneha ho automate seteisheneng pompa me ka tsela eo optimize khatello metsi ka dinetweke tseo e.

Mosebetsi ventilation le litsamaiso conditioning moea

The lebetsoeng le moea phallo ka tsamaiso ea ventilation hase kamehla ho hlokahalang. maemo a ho sebetsa ka 'na hloka sehlabelo tshebetso. Ka tloaelo, sena se sebetsa throttling ha lebili lebelo ntse kamehla. Ke ho loketseng haholoanyane ho fetola lebelo moea phallo e loketseng ho maqhubu a laoloa ka koloi ha fetola linako le meteo maemo a, mocheso, mongobo, mouoane le likhase noxious.

Ho pholosa matla a ventilation le conditioning moea tsamaiso ea e fihlellwa se ka tlaase ho feta ea liteishene tsa ho pompa, kaha rotational tshebediso ya matla ke mosebetsi dikubita tsa lebelo.

sethusathuto inverter

Morao-rao maqhubu a drive oa potoloho e lokisetsa ka converter habeli. Ho na le e rectifier le pulse length inverter le tsamaiso ea taolo.

Mora rectification smoothed gagamalo pontšo e tlhotliloeng le fepa ho e inverter le fapoha tse tsheletseng semiconductor, moo e mong le e ba bona ba e amana le stator windings ea dilenaneo induction. Unit fetola ho phosollwa pontšo ka mohato lakatsa ya maqhubu a le molumo. mekhahlelo matla IGBT-Transistors khumo ba le phahameng switjha maqhubu 'me e fana ka e hlakileng ya khutlonnetsepa pontšo ntle ho khopama. Ka lebaka la ho filtara thepa ya dilenaneo matsoelintsoeke jwale mothinya foromo khumo ea bona e sinusoidal.

Mekhoa molumo phetoho pontšo

The boholo ba gagamalo khumo e laolwa ke mekhoa e 'meli:

1. Molumo - fetola boleng gagamalo.
2. Pulse length bophara diileketerone - le tsela ea ho sokolla ho pulsed pontšo eo fetola bolelele ba eona, 'me maqhubu a ea sala e sa fetohe. matla a ho na le itšetlehile ka pulse length bophara.

Mokhoa ea bobeli e sebediswa hangata ka ho fetisisa mabapi le tsoelo-pele ea theknoloji e microprocessor. inverters morao-rao li etsoa ka lebaka la notletsoe gto len-thyristors kapa IGBT-transistors.

Menyetla le ho sebelisa converters

Maqhubu a drive na makgetheng tse ngata.

1. Maqhubu a taolo ya tse tharo-mohato phepelo gagamalo tloha lefela ho 400 Hz.
2. Matsapa kapa deceleration tsa motlakase dilenaneo ea metsotsoana 0,01. ho mets 50. ke molao o file ho tloha nako le nako (hangata - guttate). Ha matsapa ke khoneha feela ho fokotseha, empa ho eketsa ho 150% ea qalang torque le matla.
3. Etsolla dilenaneo le esale pele matsapa le deceleration mekhoa ho lebelo a lakatsa ka nģa tse ling.
4. The converters sebediswa fetolehang tšireletso ea elektroniki khahlanong le oa potoloho e khutšoanyane, overload, lefatše dutla le pshatla mela dilenaneo phepelo.
5. Converters ka lipontšo tsa digital hlalosoa ya data ka entsprechen bona: maqhubu, gagamalo, matla a, lebelo, phallo, 'me ba bang.
6. The converters ba fetola litšobotsi tse hona joale-maqhubu a itšetlehile ka hore na ho hlokahala mojaro ka enjene. taolo tsamaiso ea mosebetsi e thehiloeng ho tsona li fanoeng ke ba laolang karate.
7. Bakeng sa maqhubu a tlaase ke habohlokoa ho sebelisa taolo vector, e le hore ho sebetsa le dilenaneo torque feletseng ho lula re ena le lebelo kamehla ha mejaro fetola taolo theko torque. Maqhubu a fetola Gear sebetsa hantle le kenyelletso e loketseng ea nameplate ya data enjene, le latelang katleho ea liteko tsa lona. Tsebahalang lihlahisoa lik'hamphani Hyundai, Sanyu, 'me ba bang.

Tshebediso ya converters latelang:

• lipompo tsa metsi a chesang le a batang 'me mocheso;
• sludge, lehlabathe le makhasi ao lipompo concentrators;
• fetisa tsamaiso ea: conveyors, conveyors rolara, 'me ka mekhoa e meng ;.
• stirrer, leloala, grinder extruders, dispensers Feeders;
• centrifuge;
• elevators;
• thepa metallurgical;
• thepa cheka;
• mechine ea motlakase;
• excavator le nkholi thepa, mekgwa ya dibaleleedi.

Baetsi ba inverters maqhubu, ulasan pelanggan

moetsi ruuoang o se a qalile ho etsa lihlahisoa tse loketseng bakeng sa ho basebelisi ka boleng le theko. Molemo ke ho khona ho ka potlako fumana mochine nepahetseng, 'me keletso e qaqileng ka ho beha.

Company "tsamaiso Atlehang" hlahisa lihlahisoa seriale le thepa ba nang le phihlelo e mengata. Products sebediswa bakeng sa tšebeliso e ruuoang, khoebo e nyenyane 'me indasteri. Manufacturer "Vesper" hlahisa letoto la lihlooho tse supileng tsa converters, tse akarelletsang selotlolo tshebetso, a loketse bakeng sa mechine fetisisa liindasteri.

Moeta-pele oa tlhahiso ea ke Sedanishe chastotnikov tloha Danfoss. lihlahisoa tsa lona li sebelisoa tsamaiso ea ventilation, kondtsionirovaniya, metsi le futhumatsang. Khampani Sefinnishe le Vacon, e leng karolo ea Sedanishe, manufactures dibopeho modular, oo u ka haha le disebediswa tse hlokahalang ntle le lintlha tse sa hlokahaleng, e le hore u boloka ka metsoako. Ho boetse ho na ba converters kameho ea machaba ABB, sebediswa ho indasteri le bophelo ba letsatsi le letsatsi.

Ahlola ka ulasan pelanggan, kaha mesebetsi e bonolo kamehla, u ka sebelisa theko converters ruuoang le cha litlhoko rarahaneng, e leng dikgetho haholo ho feta.

bofello

The drive maqhubu a laola dilenaneo ka ho fetola le maqhubu a 'me molumo oa phepelo gagamalo, ka tsela eo ho sireletsa e tsoa ho e liphoso: overload, balebeli ba potoloho e khutšoanyane, e tswelopela tsa phepelo le matla a. Joalo actuators motlakase phetha mesebetsi e meraro e amanang le matsapa, braking le enjene lebelo. Ena e ntlafatsa le ka bokgoni ba ho thepa ea likarolong tse ngata tsa theknoloji.