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Chii chinonzi VFD?
A Variable Frequency Drive (VFD) chinhu chakakosha chekudzora maindasitiri chinoshandiswa kudzora kumhanya uye torque yeAC motors nekugadzirisa frequency uye voltage yemagetsi. MaVFD anowedzera kushanda kwesimba, kuderedza kushushikana kwemagetsi, uye kunatsiridza kudzora maitiro mumashandisirwo akasiyana siyana, kusanganisira pombi, mafeni, maconveyors, uye maHVAC masisitimu.
Tinopa echokwadi, emhando yepamusoro maVFDs kubva kumhando dzepasi rose dzinotungamira senge Siemens, Schneider, Yaskawa,uye ABB, kuchengetedza kuvimbika, performance,uye kusimba kwenguva refu kune zvaunoda maindasitiri. Kana zve otomatiki, kuchengetedza simba, kana chaiyo mota control, zvigadzirwa zvedu zvinosangana ne yepamusoro indasitiri zviyero.
Zvikamu Zvikuru zveVFD System
AC Drives
Zvavari: AC Drives, inowanzozivikanwa seVariable Frequency Drives (VFDs), gadzirisa kumhanya uye torque ye AC motors nekushandura frequency uye voltage yemagetsi emagetsi, vanopa chaiyo kumhanya kudzora, kuchengetedza simba, uye kuderedza kupfeka kwemota nekushanda kwakatsetseka. Zvishandiso: Yakakwana pamapombi, mafeni, maconveyor, uye maHVAC masisitimu anoda kukurumidza kukurumidza
Rated Power: Inofananidzwa nechiyero chemagetsi emota.
Input Voltage: Inopindirana nemagetsi ekupa.
Zvikamu zvekupinda: 1-chikamu kana 3-chikamu, zvichienderana nehurongwa.
DC Inotyaira
Zvavari: DC Dhiraivha inodzora DC mota kumhanya uye torque nekusiyanisa voltage inopihwa kumota, inoburitsa yakatwasuka, yakaringana yekumhanyisa magadzirirwo emamwe mabasa. Zvishandiso: Inoshandiswa mumasisitimu ekare, maelevator, cranes, uye muchina anoda torque yakasimba.
Rated Output Current: Iyo yakanyanya ikozvino (semuenzaniso, 10A kusvika 1000A) iyo drive inogona kupa.
Rated Output Voltage: Iyo DC voltage (semuenzaniso, 180V, 500V) yemota.
Input Voltage: Iyo AC inopa voltage (semuenzaniso, 230V, 400V).
Zvikamu zvekupinda: Single-phase kana 3-phase yekupinda, zvinoenderana nedhiraivha.
UYE VSD
Zvavari: AC VSDs nderimwe zita re AC Drives kana VFDs, vachitarisa pakugona kwavo kusiyanisa mota kumhanya, ivo vanokwidziridza kuita kwemota uye kushandisa simba nekudzivirira yakagadziriswa-kumhanya kushanda. Zvishandiso: Zvakajairika mune otomatiki, kugadzira, uye masisitimu anoshanda nesimba
Rated Power: Inofananidzwa nechiyero chemagetsi emota.
Input Voltage: Inopindirana nemagetsi ekupa.
Zvikamu zvekupinda: 1-chikamu kana 3-chikamu, zvichienderana nehurongwa.
Single phase Drives
Zvavari: Aya maVFD akagadzirirwa imwe-chikamu AC mota, anowanzo kuwanikwa mune madiki setups, anounza kukurumidza kudzora kune imwe-chikamu mota, inosimudzira kushanda zvakanaka mumakompakiti masisitimu. Zvishandiso: Yakanakira mafeni ekugara, mabheti, uye mapombi madiki
Rated Power: Kazhinji yakadzikira, semuenzaniso, 0.37kW kusvika 4kW, nekuda kwekupikiswa kwekupinza.
Input Voltage: Single-phase, senge 200-240V.
Output Voltage: Zvitatu-chikamu, semuenzaniso, 200-240V, yemota.
Soft Starters
Zvavari: MaSoft Starters anokwidza voltage zvishoma nezvishoma panguva yekutangisa mota kuti adzikise mafambisirwo azvino, anoderedza kushushikana kwemagetsi nemagetsi, kurebesa hupenyu hwemotokari. Zvishandiso: Yakanakira pombi, macompressor, uye maconveyor uko kunongoerekana kwatanga kukonzera nyaya
Yakatemerwa Zvazvino: Inofananidza mota yazvino, semuenzaniso, 10A kusvika 1000A.
Rated Voltage: Inopindirana nekupa, semuenzaniso, 200-690V.
Kudzora Circuit Voltage: Iyo voltage ye activation, semuenzaniso, 24V DC, 110V AC.
Braking Resistors
Zvavari: Yakapetwa neVFDs, Braking Resistors inobvisa simba rakawandisa panguva yekukurumidza kudzika mota, vanova nechokwadi chakachengeteka, chinodzorwa kumira nekudzivirira drive overvoltage. Zvishandiso: Yakakosha kune maelevator, cranes, uye yakakwirira-inertia mitoro inoda kumira nekukurumidza.
Resistance Value: Mune ohms, semuenzaniso, 10Ω kusvika 100Ω, kuenderana neVFD.
Power Rating: Mune mawatts, semuenzaniso, 500W kusvika 5000W, kubata kuparara kwesimba.