Ngokubhekiselele kulwazi olusisiseko lobugcisa be-generator eqhelekileyo, i-injini ye-diesel kunye neseti, siyisasaze ngendlela yombuzo kunye nokuphendula kwiminyaka embalwa edlulileyo, kwaye ngoku iphinda iphindwe ngesicelo sabasebenzisi abathile. Njengoko iteknoloji nganye ihlaziywa kwaye yaphuhliswa, le mixholo ilandelayo yenzelwe ireferensi kuphela:
1. Zeziphi iinkqubo ezintandathu ezibandakanyiweyo kwisixhobo esisisiseko sesethi yejenereyitha yedizili?
A: (1) inkqubo yokuthambisa amafutha; (2) Inkqubo yamafutha; (3) Inkqubo yokulawula nokukhusela; (4) Inkqubo yokupholisa kunye nemitha; (5) Inkqubo yokukhupha; (6) Inkqubo yokuqala;
2. Kutheni sicebisa amafutha acetyiswa ziinkampani eziqeqeshelwe umsebenzi wethu wokuthengisa?
A: amafutha ligazi le-injini. Nje ukuba umthengi asebenzise amafutha angafanelekanga, iingozi ezimandundu ezifana nokuluma iqokobhe, ukusika izinyo legiya, i-crankshaft deformation kunye nokwaphuka kuya kwenzeka kwi-injini de umatshini wonke ucinywe. Ukhetho oluthile lwesibaso kunye nezilumkiso zokusetyenziswa zichazwe kumanqaku afanelekileyo kolu hlelo.
3. Kutheni umatshini omtsha kufuneka utshintshe amafutha kunye nesihluzo samafutha emva kwexesha elithile?
A: Ngexesha lokuhamba, ukungcola kungena kwi-pan ye-fuel, ebangela ukuwohloka komzimba okanye kweekhemikhali ze-fuel kunye ne-fuel filter. Emva kokuthengisa inkonzo yabathengi kunye nenkqubo yekhontrakthi yeeseti ezithengiswa nguWuhan Jili, siya kuba nabasebenzi abaziingcali ukuba bakwenzele ulungiso olufanelekileyo.
4. Kutheni sifuna umthengi ukuba athobe umbhobho wokukhupha phantsi kwe-5-10 degrees xa ufaka isethi?
A: Ngokuyintloko kukuthintela amanzi emvula ukuba angangeni kumbhobho womsi, okukhokelela kwiingozi ezinkulu.
5. Impompo yamafutha okwenziwa ngesandla kunye nebholithi yokukhupha ifakwe kwi-injini yedizili ngokubanzi. Yintoni umsebenzi wabo?
A: Ukususa umoya kumgca wamafutha phambi kokuba uqale.
6. Yahlulwe njani inqanaba le-automation ye-diesel generator set?
A: I-Manual, i-self-startup, i-self-startup kunye nekhabhinethi yokuguqulwa kwamandla okuzenzekelayo, i-remote ezintathu ezikude (ulawulo olukude, ukulinganisa okude, ukubeka iliso kude).
7. Kutheni umgangatho wombane wemveliso ye-generator 400V endaweni ye-380V?
A: Kuba kukho ilahleko yokuhla kwamandla ombane emgceni emva kokuba ephumile.
8. Kutheni le nto kufuneka ukuba indawo yokusetyenziswa kweseti yejenereyitha yedizili ibe mpuluswa-moya?
A: Imveliso ye-injini ye-diesel ichatshazelwa ngokuthe ngqo ngubuninzi kunye nomgangatho womoya ofunxwayo. Ukongeza, i-generator kufuneka ibe nomoya owaneleyo wokupholisa. Ngoko ke, ukusetyenziswa kwendawo kufuneka kube nomoya opholileyo.
9. Kutheni le nto ezi seti zintathu zingasentla zingakrwelwa ngokuqinisiweyo ngezixhobo xa ufaka isihluzo se-fuel, isihluzo se-diesel kunye ne-fuel-water separator, kodwa ngesandla kuphela ukunqanda ukuvuza kwamafutha?
A: Kuba ukuba umsesane wokutywina ujijelwe ngokuqinileyo, uya kwanda phantsi kwesenzo samaqamza amafutha kunye nokunyuka kobushushu bomzimba, okukhokelela kuxinzelelo olukhulu. Umonakalo kwindlu yokucoca okanye isahluli sendlu ngokwayo. Eyona nto imbi kakhulu ngumonakalo wedysprosium womzimba ongenakulungiswa.
10. Ukwahlula njani phakathi kweenjini zedizili zomgunyathi nezomgunyathi?
A: Kuyimfuneko ukujonga ukuba ngaba zikho izatifikethi zomenzi kunye nezatifikethi zemveliso, “iziqinisekiso zokuzazisa” zomvelisi wenjini yedizili. Khangela amanani amakhulu amathathu kwisatifikethi 1) Inombolo yeNameplate;
2) Inombolo ye-airframe (i-typeface i-convex kwinqwelo-moya yomatshini yohlobo lwe-flywheel end); 3) Igama lepleyiti inombolo yempompo yamafutha. Amanani amathathu amakhulu kufuneka atshekishwe ngokuchanekileyo ngokuthelekisa amanani angawo enjini yedizili. Ukuba kukho nawaphi na amathandabuzo afunyenweyo, la manani mathathu angaxelwa kumvelisi ukuze aqinisekiswe.
11. Emva kokuba umqhubi wombane ethatha isethi yejenereyitha yedizili, ngawaphi amanqaku amathathu ekufuneka ajongwe kuqala?
A: 1) Qinisekisa amandla okwenene aluncedo aseti. Emva koko misela amandla oqoqosho kunye namandla okugcina. Indlela yokuqinisekisa amandla okwenyaniso aluncedo kwiseti kukuphinda-phinda amandla alinganiswe ngeyure ezili-12 enjini yedizili ngo-0.9 ukufumana idata (kw). Ukuba amandla alinganisiweyo ejenereyitha angaphantsi okanye alingana nale datha, ngoko amandla alinganisiweyo we-generator abekwe njengamandla okwenene aluncedo kwisethi. Ukuba amandla alinganisiweyo ejenereyitha mkhulu kunale datha, le datha kufuneka isetyenziswe njengamandla okwenene aluncedo kwiseti.
2) Qinisekisa imisebenzi yokuzikhusela yesethi. 3) Qinisekisa ukuba i-wiring yamandla yesethi ifanelekile, ingaba isiseko sokukhusela sithembekile kwaye ingaba umthwalo wesigaba sesithathu ulungelelaniswe ngokusisiseko.
12. I-elevator enye injini yokuqalisa ngama-22KW. Kufuneka ibe yintoni iseti yejenereyitha?
A: 22*7=154KW (i-elevator ilayishwe ngokuthe ngqo isiqalisi, ukuqaliswa kwangoko kwangoku kuqhelekile amaxesha angama-7 okulinganiswa kwangoku).
Kulapho kuphela apho ilifti inokuthi ihambe ngesantya esingaguqukiyo). (okt ubuncinane 154KW iseti yejeneretha)
13. Indlela yokubala awona mandla asebenzayo (amandla ezoqoqosho) esethi ye-generator?
A: I-P ilungile = 3/4 * P rating (okt 0.75 amaxesha alinganiselwe amandla).
14. Ngaba urhulumente umisela ukuba amandla e-injini yeseti yejenereyitha ngokubanzi makhulu kakhulu kunalawo ejenereyitha?
A: 10.
15. Indlela yokuguqula amandla e-injini ezinye iiseti zejeneretha zibe kW?
A: 1 HP = 0.735 kW kunye ne-1 kW = 1.36 hp.
16. Indlela yokubala i-current ye-generator yesigaba sesithathu?
A: Mna = P / (3 Ucos) φ ) Oko kukuthi, okwangoku = amandla (watt) / (3 *400 (volt) * 0.8).
Ifomula elula yile: I(A) = isethi amandla alinganisiweyo (KW) * 1.8
17. Ubudlelwane phakathi kwamandla abonakalayo, amandla asebenzayo, amandla alinganisiweyo, amandla amakhulu kunye namandla ezoqoqosho?
A: 1) Ukuqwalasela isethi yamandla abonakalayo njenge-KVA, i-China isetyenziselwa ukuvakalisa amandla e-transformers kunye ne-UPS.
2) Amandla asebenzayo ngama-0.8 amaxesha ombane abonakalayo kwiiseti ze-KW. Kuyinto yesiko kwizixhobo zokuvelisa amandla kunye nezixhobo zombane e-China.
I-3) Amandla alinganisiweyo wesethi ye-diesel generator ingamandla anokuthi aqhube ngokuqhubekayo kwiiyure ze-12.
I-4) Amandla aphezulu ngamaxesha e-1.1 amandla alinganisiweyo, kodwa kuphela iyure ye-1 ivunyelwe ukusetyenziswa kwiiyure ze-12.
I-5) Amandla oQoqosho ngamaxesha e-0.75 amandla alinganisiweyo, amandla okuvelisa iisethi ze-diesel generator ezinokuthi zisebenze ixesha elide ngaphandle kokunciphisa ixesha. Kweli gunya, uqoqosho lwamafutha kunye nezinga lokungaphumeleli liphantsi.
18. Kutheni iiseti zejenereyitha yedizili zingavunyelwa ukuba zisebenze ixesha elide phantsi kwe-50% yamandla alinganisiweyo?
A: Ukonyuka kokusetyenziswa kwepetroli, ukuphekwa lula kwe-injini ye-diesel, ukonyuka komyinge wokungaphumeleli kunye nomjikelo omfutshane wokulungisa.
19. Ngaba awona mandla aphumayo ejenereyitha asebenza ngokwemitha yamandla okanye iammeter?
A: I-ammeter yireferensi kuphela.
20. I-frequency kunye ne-voltage yesethi ye-generator ayizinzile. Ingxaki kukuba ingaba injini okanye ijenereyitha?
A: Yinjini.
21. Ukuzinza rhoqo kwiseti yejeneretha kunye nokungazinzi kombane yingxaki yenjini okanye ijenereyitha?
A: Yijenereyitha.
22. Kwenzeka ntoni ekulahlekeni kwe-excitation ye-generator kunye nendlela yokujongana nayo?
A: Ijenereyitha ayisetyenziswanga ixesha elide, nto leyo ekhokelela ekulahlekeni kwemagnethi eshiyekileyo equlethwe kumbindi wentsimbi ngaphambi kokushiya umzi-mveliso. I-excitation cfuel ayinakuseka i-magnetic field ekumele ibe nayo. Ngeli xesha, injini isebenza ngokuqhelekileyo kodwa ayikwazi ukuvelisa umbane. Le nto intsha. Okanye ixesha elide lokungasetyenziswa kweeseti ezininzi.
Indlela yokucubungula: 1) Cofa iqhosha lokuvuselela kube kanye ngeqhosha lokuvuselela, 2) Yitshaje ngebhetri, 3) Thatha umthwalo webhalbhu kwaye ubaleke ngaphezulu kwesantya imizuzwana emininzi.
23. Emva kwexesha elithile, isethi ye-generator ifumanisa ukuba yonke into iyinto eqhelekileyo kodwa amandla ayancipha. Sesiphi esona sizathu?
A: a. Isihluzo somoya simdaka kakhulu ukuba singafunxa umoya owaneleyo. Ngeli xesha, isihluzo somoya kufuneka sicocwe okanye sitshintshwe.
B. Isihluzo sefutha simdaka kakhulu kwaye nesixa sefutha esitofwayo awonelanga. Kufuneka itshintshwe okanye icocwe. C. Ixesha lokulayita alichanekanga kwaye kufuneka lihlengahlengiswe.
24. Xa isethi ye-generator ilayishiwe, i-voltage yayo kunye ne-frequency zizinzileyo, kodwa okwangoku azinzile. Yintoni ingxaki?
A: Ingxaki kukuba umthwalo womthengi awuzinzanga kwaye umgangatho we-generator ulungile ngokupheleleyo.
25. Ukungazinzi rhoqo kwesethi yejeneretha. Zeziphi iingxaki eziphambili?
A: Ingxaki enkulu sisantya esingazinzanga sejeneretha.
26. Ziziphi ezona ngongoma zibalulekileyo ekufuneka ziqwalaselwe xa kusetyenziswa iseti ye-diesel generator?
A: 1) Amanzi etankini kufuneka anele kwaye asebenze phakathi komgangatho wobushushu obuvumelekileyo.
2) I-fuel yokuthambisa kufuneka ibe kwindawo, kodwa ingabi kakhulu, kwaye isebenze ngaphakathi koluhlu oluvumelekileyo loxinzelelo. 3) I-frequency izinzile malunga ne-50HZ kwaye i-voltage izinzile malunga ne-400V. 4) Inqanaba lesithathu langoku liphakathi koluhlu olulinganisiweyo.
27. Mangaphi amalungu ekufuneka iiseti zejenereyitha yedizili zitshintshwe okanye zicocwe rhoqo?
A: Isihluzi samafutha edizili, isihluzo samafutha, isihluzo somoya. (iiseti nganye nganye inazo izihluzi zamanzi)
28. Ziziphi iingenelo eziphambili zejenereyitha engena-brush?
A: (1) Susa ukugcinwa kwebrashi yekhabhoni; (2) Ukuphazamiseka konomathotholo; (3) Nciphisa ukulahlekelwa yimpazamo yokuvuselela.
29. Lithini inqanaba lokugquma ngokubanzi kweejenereyitha zasekhaya?
A: Umatshini wasekhaya uKlasi B; Oomatshini bohlobo lweMarathon, oomatshini bebrendi baseLillisenma kunye noomatshini bohlobo baseStanford bakwiKlasi H.
30. Ngawaphi amafutha e-injini yepetroli adinga i-petroli kunye nokuxuba amafutha?
A: Injini yepetroli enemivimbo emibini.
31. Yiyiphi imiqathango yokusetyenziswa kweeseti ezimbini zejeneretha ngokufanayo? Sesiphi isixhobo esisetyenziselwa ukugqiba kunye nomsebenzi womatshini?
A: Imeko yokusebenza ngokuhambelanayo kukuba i-voltage esheshayo, i-frequency kunye nesigaba saba matshini babini ziyafana. Ngokuqhelekileyo eyaziwa ngokuba "zithathu ngaxeshanye". Sebenzisa isixhobo esikhethekileyo esihambelana nomatshini ukugqiba umsebenzi ohambelana nomatshini. Ikhabhinethi ezenzekelayo ngokupheleleyo iyacetyiswa ngokubanzi. Zama ukudibanisa ngesandla. Ngenxa yokuba impumelelo okanye ukungaphumeleli kokuhlanganiswa kwezandla kuxhomekeke kumava omntu. Ngaphezulu kweminyaka engama-20 yamava kumsebenzi wamandla ombane, umbhali uchaza ngenkalipho ukuba izinga lempumelelo elithembekileyo lokufaniswa ngesandla kweejenereyitha zedizili lilingana no-0. Ungaze usebenzise ingqikelelo ye-manual shunting ukusebenzisa inkqubo yobonelelo lwamandla amancinane kwiRadio kaMasipala kunye nonikezelo lombane lweYunivesithi yeTV. inkqubo, kuba amanqanaba okhuseleko ezi nkqubo zimbini ahluke kakhulu.
32. Yintoni amandla ombane wesigaba sesithathu se-generator? Ngaba umxhasi wamandla unokongezwa ukuze kuphuculwe into yamandla?
A: Umba wamandla yi-0.8. Hayi, kuba ukuhlawuliswa kunye nokukhutshwa kwee-capacitors kuya kubangela ukuguquguquka kwamandla amancinci. Kwaye usete i-oscillation.
33. Kutheni sicela abathengi bethu ukuba baqinise bonke oonxibelelwano lombane emva kweeyure ezingama-200 zokuseta?
A: Iseti yejenereyitha yedizili ngumsebenzi wokungcangcazela. Kwaye iiseti ezininzi ezithengiswayo okanye ezidityaniswe ekhaya kufuneka zisebenzise amantongomane aphindwe kabini. I-gasket yasentwasahlobo ayinamsebenzi. Emva kokuba izibophelelo zombane zikhululekile, ukuchasana okukhulu koqhagamshelwano kuya kwenzeka, okuya kubangela ukuba isethi iqhube ngokungaqhelekanga.
34. Kutheni kufuneka igumbi lejenereyitha licoceke kwaye lingabi nasanti edadayo?
IMPENDULO: Ukuba injini yedizili iphefumla umoya omdaka, iya kuwanciphisa amandla ayo. Ukuba i-generator ifunxa isanti kunye nezinye izinto ezingcolileyo, i-insulation phakathi kwe-stator kunye ne-rotor gaps iya konakala, okanye ide itshiswe.
35. Kutheni kungakhange kukhuthazwe ngokubanzi ukuba abasebenzisi basebenzise isiseko esingathathi hlangothi kufakelo ukusukela kwiminyaka yakutshanje?
A: 1) Umsebenzi wokuzilawula wejenereyitha yesizukulwana esitsha uphuculwe kakhulu;
2) Kufunyaniswa ekusebenzeni ukuba izinga lokungaphumeleli kombane kwiseti yesiseko engathathi hlangothi iphezulu kakhulu.
3) Imfuno yomgangatho wokumisa iphezulu kwaye ayikwazi ukufikelela kubasebenzisi abaqhelekileyo. Umhlaba wokusebenza ongakhuselekanga ungcono kunokungabi nasiseko.
4) iiseti ezisekelwe kwindawo engathathi hlangothi zinethuba lokugquma iziphene zokuvuza kunye neempazamo zokumisa imithwalo engenakuvezwa phantsi kwemeko yobonelelo olukhulu lwangoku kwizikhululo zamandla zikamasipala.
36. Ziziphi iingxaki ekufuneka ziqwalaselwe xa usebenzisa isethi ngenqaku elingathathi hlangothi?
A: Umgca we-0 unokuphila ngenxa yokuba i-voltage capacitive phakathi kocingo lomlilo kunye nendawo engathathi hlangothi ayikwazi ukupheliswa. Abaqhubi kufuneka bajonge umgca 0 njengophilayo. Ayinakuphathwa ngokwesiqhelo sombane wemarike.
37. Indlela yokudibanisa amandla e-UPS kunye nejenereyitha ye-diesel ukuqinisekisa ukuveliswa okuzinzileyo kwe-UPS?
A: 1) I-UPS ngokuqhelekileyo imelwe ngamandla abonakalayo e-KVA, aqala ngokuphindaphindwa ngo-0.8 kwaye aguqulelwe kwi-KW emiselweyo ehambelana namandla asebenzayo we-generator.
2) Ukuba i-generator jikelele isetyenzisiweyo, amandla asebenzayo e-UPS aphindaphindwa yi-2 ukumisela amandla e-generator eyabelwe, oko kukuthi amandla ombane aphindwe kabini kwi-UPS.
3) Ukuba i-generator ene-PMG (i-permanent magnet motor excitation) isetyenzisiwe, ngoko ke amandla e-UPS aphindaphindwa ngo-1.2 ukugqiba amandla ombane, oko kukuthi amandla ombane yi-1.2 amaxesha e-UPS.
38. Ingaba izinto zombane okanye zombane eziphawulwe 500V zokumelana nombane zingasetyenziswa kwikhabhinethi yokulawula ijenereyitha yedizili?
A: Hayi. Ngenxa yokuba amandla ombane angama-400/230V abonakaliswe kwiseti yejenereyitha yedizili ngumbane osebenzayo. I-voltage ephezulu yi-1.414 amaxesha ombane osebenzayo. Oko kukuthi, i-peak voltage ye-diesel generator ngu-Umax = 566 / 325V.
39. Ngaba zonke iijenereyitha zedizili zixhotyiswe ngokuzikhusela?
A: Hayi. Kukho abanye abanayo kwaye abanye ngaphandle emarikeni namhlanje nakumaqela brand efanayo. Xa uthenga iseti, umsebenzisi kufuneka azicacise ngokwakhe. Ibhalwe kakuhle kakhulu njengesihlomelo kwikhontrakthi. Ngokubanzi, oomatshini bexabiso eliphantsi abanawo umsebenzi wokuzikhusela.
40. Ziziphi iingenelo zabathengi abathenga iikhabhinethi zokuziqala kodwa bangazithengi?
A: 1) Nje ukuba ukusilela kombane kwenzeke kuthungelwano lwesixeko, iseti iya kuqalisa ngokuzenzekelayo ukukhawulezisa ixesha lokuhambisa amandla ombane;
2) Ukuba umgca wokukhanyisa uqhagamshelwe phambi komshini womoya, unokuqinisekisa ukuba ukukhanya kwigumbi lekhompyutheni akuchaphazeli ukungaphumeleli kwamandla, ukwenzela ukuba kube lula ukusebenza kwabaqhubi.
41. Ithetha ukuthini isimboli GF yeeseti zejenereyitha zasekhaya?
A: Imele iintsingiselo ezimbini: a) Iseti yejenereyitha yamandla ombane ifanelekile kwiseti yejeneretha yaseTshayina eyi-50HZ. B) Iiseti zejenereyitha zasekhaya.
42. Ngaba umthwalo othwalwa yijenereyitha kufuneka ugcine ibhalansi yezigaba ezithathu isetyenziswa?
A: Ewe. Ukutenxa okukhulu makungadluli kwi-25%. Ukusebenza kwesigaba esilahlekileyo kuthintelwe ngokungqongqo.
43. Zeziphi iistroke ezine ezithethwa yi-four-stroke injini yedizili?
A: Ukuphefumla, ukucinezela, ukusebenza kunye nokuphuma.
44. Nguwuphi umahluko omkhulu phakathi kwenjini yedizili nenjini yepetroli?
A: 1) Uxinzelelo kwi-cylinder luhluke. Iinjini ze-diesel zicinezela umoya ngexesha lesigaba sokunyathela; I-injini yepetroli inxinzelela umxube wepetroli kunye nomoya ngexesha lesigaba soxinzelelo.
2) Iindlela ezahlukeneyo zokutshisa. Ii-injini ze-diesel zivutha ngokuzenzekelayo ngokutshiza amafutha edizili e-athomu kwiigesi zoxinzelelo oluphezulu. Ii-injini zepetroli zivutha zii-spark plugs.
45. Kuthetha ukuthini “iivoti ezimbini, iinkqubo ezintathu” kwinkqubo yamandla?
A: Amatikiti amabini abhekisa kwitikiti lomsebenzi kunye netikiti lokusebenza. Nawuphi na umsebenzi okanye umsebenzi owenziwe kwisixhobo sombane. Amatikiti okusebenza nawokusebenza akhutshwa ngumntu ophetheyo emsebenzini kufuneka aqokelelwe kuqala. Amaqela kufuneka anyanzelise ngevoti. Iinkqubo ezintathu zibhekiselele kwinkqubo yokutshintsha, inkqubo yokuhlola i-patrol kunye nenkqubo yokutshintsha izixhobo eziqhelekileyo.
46. Yintoni ebizwa ngokuba yinkqubo yocingo lwesithathu?
A: Kukho imigca emi-4 ephumayo yesethi ye-generator, apho i-3 imigca yomlilo kunye ne-1 ngumgca we-zero. Umbane phakathi kwemigca ngu-380V. Umgama phakathi komgca womlilo kunye nomgca we-zero ngu-220 V.
47. Kuthekani ngezigaba ezithathu zesekethe emfutshane? Iyintoni imiphumo?
A: Ngaphandle komthwalo ogqithisiweyo phakathi kwemigca, isiphaluka esifutshane ngokuthe ngqo sisigaba sesithathu sesiphaluka. Iziphumo zimbi, kwaye iziphumo ezibi zinokukhokelela ekutshatyalalisweni komatshini kunye nokufa.
48. Yintoni into ebizwa ngokuba yi-back power supply? Yeyiphi le miphumo mibini iyingozi?
A: Ubonelelo lwamandla olusuka kwijenereyitha ozibonelele yona ukuya kuthungelwano lwesixeko lubizwa ngokuba yi-reverse power supply. Kukho iziphumo ezibi ezibini: a)
Akukho ukungaphumeleli kwamandla kwenzeka kuthungelwano lwesixeko, kwaye unikezelo lwamandla kuthungelwano lwesixeko kunye nonikezelo lwamandla ejeneretha oluzimeleyo alulungelelaniswanga, oluya kutshabalalisa iiseti. Ukuba umthamo wejenereyitha ozibonelele yona mkhulu, uthungelwano lwesixeko luya kujikeleza. B)
Umbane wombane kamasipala ucinyiwe kwaye uphantsi kogcino. Ijenereyitha zayo zibonelela ngamandla umva. Iya kubangela ukuba abasebenzi bolondolozo lwesebe lonikezelo lombane babulawe ngombane baze bafe.
49. Kutheni le nto kufuneka ukuba umlungisi we-bugger ajonge ngocoselelo ukuba ngaba zonke iibholithi zokulungisa iseti zikwimeko entle phambi kokulungiswa kweempazamo? Ngaba zonke iindlela zokujonga imigca zichanekile?
A: Emva kokuthutha umgama omde, ngamanye amaxesha akunakuphepheka ukuba isethi ikhulule okanye ilahle iibholiti kunye nokudibanisa umgca. Okukhona ulungiso lusiba lula, kokukhona umonakalo omkhulu kumatshini.
50. Amandla ombane akweliphi inqanaba lamandla? Zeziphi iimpawu ze-AC?
A: Amandla ombane ngawesibini amandla. I-AC iguqulwa kumandla omatshini kwaye i-DC iguqulwa kumandla ekhemikhali. I-AC ibonakala ngokungakwazi kwayo ukugcina. Ngoku ifunyenwe ukuba isetyenziswe.
51. Zeziphi iimeko ezinokuhlangabezana nejenereyitha ngaphambi kokuba kuvalwe unikezelo lombane?
A: Isethi yokupholisa amanzi kunye nobushushu bamanzi bufikelela kuma-56 degrees Celsius. Iseti epholiswe ngumoya kunye nomzimba kushushu kancinci. I-voltage frequency iqhelekile kungekho mthwalo. Uxinzelelo lwamafutha luqhelekile. Kungoko kuphela apho amandla anokuvalwa.
52. Yintoni ukulandelelana kwemithwalo emva kombane?
A: Imithwalo ithwalwa ukusuka kwenkulu ukuya kwencinci.
53. Yintoni ulandelelwano lokukhulula phambi kokuvalwa?
A: Imithwalo iyothulwa ukusuka kwincinci ukuya enkulu kwaye ivale emva koko.
54. Kutheni singenako ukucima nokuqhubeka nomthwalo?
IMPENDULO: Ukuvalwa komthwalo kukumisa kaxakeka.
Ixesha lokuposa: Aug-30-2019
