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Lethathamo la tlhahlobo ea tlhokomelo ea sebōpi sa induction melting

Lethathamo la tlhahlobo ea tlhokomelo ea sebōpi sa induction melting

Sebaka sa phoso Ho hloleha ho sebetsa Mabaka le mekhoa ea ho hlahloba tharollo
Ho hloleha ho senya 1. Ha ho koaloa, ho utloahala molumo oa ho bula ka nako e le ‘ngoe 1. Motlakase oa potoloho ea mekhahlelo e meraro e khutšoanyane ‘me e ke ke ea koaloa (ka kakaretso e bakoa ke ho chesoa ha thyristor) 1. Kenya sebaka sa thyristor ‘me u hlahlobe potoloho e khutšoanyane
2. Lekanya hore karolo e ka holimo ea mochine oa potoloho e na le motlakase ‘me e ka tlaase ha e na motlakase 2. The undervoltage release e chesoa kapa e sa koaloa 2. Ho etsa bonnete ba hore thepa ha e khutšoanyane, u ka qala ka ho e tlama ka khoele ho etsa hore e se ke ea khona ho qhoma.
3. Ha ho na karabelo le molumo ha matla a phahama 3. Coil ea shunt e lula e koetsoe, hlahloba hore na coil ea ho bula e na le matla ha e koala 3. U ka khaola khoele ka lehlakoreng le leng la coil pele, sebelisa ho bula mochine, ebe u hlahloba potoloho ka mor’a hore tlhahiso e felile.
  4. Thermal relay failure or action 4. U ka khaola li-terminals tse peli tsa relay pele, ‘me u hlahlobe ka mor’a hore tlhahiso e felile
  5. Ho hlōleha ha mechine 5. Sheba hore na e ka koaloa ka letsoho, ‘me u hlahlobe ka mor’a tlhahiso
Ho kenella ha mohala o kenang 1. Tripping e bakiloeng ke potoloho e khutšoanyane le ho khantša ha inductor 1. Observe whether the inductor is sparking, or the distance between the turns of the coil is close 1. Kota li-coil tse atamelaneng, ‘me u kenye lisebelisoa tse sireletsang ho li arola
2. Ho chesa KP thyristor e bakoang ke ho chenchana ho fokolang haholo 2. Sheba palo ea li-coil tse retelehang ho bona hore na li fokola hakae 2. Kenya sebaka sa coil e kholo ea inductance ka nako
KP thyristor bakeng sa khoele ea 12- pulse rectifier 1. Motlakase oa DC oa mekhahlelo e ‘meli o na le sekhahla se seholo se sa tsitsang,’ me inverter e ke ke ea qala 1. Check whether the rectifier voltage equalizing resistor is damaged 1. Replace the voltage equalizing resistor, and when it is still swinging, you can combine the two bridge resistors into one bridge
2. View KP SCR 2. Hlahloba hore na rectifier le anti-parallel diode e senyehile 2. Kenya sebaka sa diode
KP SCR 1. Mohatlana oa potoloho ha o khone ho koaloa (top circuit breaker) 1. Lekola hore na KP SCR e chele 1. Replace the thyristor
2. Ha e khone ho qala 2. Hlahloba hore na mabone a KP thyristor pulse a khantšitsoe kaofela le khanya e tšoana 2. The brightness is not the same, by reason of 3 , . 4 bar checking is
3. Lerata le leholo ha matla a eketseha 3. Sheba hore na potoloho ea SCR e tloaelehile 3. Lithapo tse peli li ka kopanngoa ka nakoana pele, ‘me lithapo li ka hlahlojoa ka mor’a hore tlhahiso e phethoe.
  4. Sheba hore na ho hanyetsa pakeng tsa rectifier SCR G le K ke ntho e tloaelehileng (hangata 10-25R), haeba e sa tloaeleha, hlahloba hore na ke bothata ba mohala kapa bothata ba SCR. 4. Tsoela pele ho Article 3 bakeng sa mathata a potoloho , ‘me bothata ba SCR bo lokela ho nkeloa sebaka
Air core reactor 1. Ka lebaka la inductance e nyane e hlokahalang bakeng sa li-reactors tsa letoto, hangata ho sebelisoa li-inductors tse sekoti, tse fokotsang boima ba ‘mele le molumo,’ me li fokotsa litšenyehelo tsa tlhokomelo, hobane sebaka se pakeng tsa li-coil se telele ‘me botenya ba lerako la koporo ha bo na monyetla oa ho qhoma. le ho dutla ha metsi. Phenomenon
Reactor e nang le mokokotlo oa tšepe 1. Ho hotetsa ha reactor 1. Measure whether the resistance of the copper ring of the reactor and the iron core is short-circuited ( when the line is 380V , the resistance should be greater than 1K ) 1. Disassemble the reactor to check which coil is short-circuited, and repair or replace it
2. Ha e khone ho qala 2. Sheba hore na ho na le ho lutla ha metsi ka har’a reactor 2. Harola reactor ho hlahloba hore na ke khoele efe e lutlang bakeng sa ho lokisoa kapa ho e ncha
3. Leeto ha matla a eketseha ha a ka qalisoa 3. Fokotsa khanya ea ka tlung ho bona hore na ho na le ketsahalo ea mollo 3. Haeba ho se na lisebelisoa ka nakoana ‘me mochine o na le mekhahlelo e mengata, coil e robehileng e ka tlosoa ntle le ho ama ts’ebetso ea mochine,’ me e ka sebelisoa ka nakoana ho fihlela qetellong ea tlhahiso.