Masana'antu a Bincike na Karkashin Kuliya - ƙarfin 3
Wani ya kadan da faruwar ci gaba ta da shi a cikin tattalin kula?
Faruwar ci gaba a cikin tattalin kula yana ba da bukatar gaskiya a wuraren abubuwan da ake amfani da su. Yana ba da bukatar gaskiya a wuraren kula da ke faruwa a cikin abubuwan da ake amfani da su, zai iya haifar da tushen kula da kuma idan zai iya haifar da tushen kula da ke faruwa a cikin abubuwan da ake amfani da su, zai iya haifar da tushen kula da kuma idan zai iya haifar da tushen kula da ke faruwa a cikin abubuwan da ake amfani da su.
Maimakon haka na motorin induction shine maida?
Motorin induction, musamman motorin induction na squirrel cage, zai iya yi aiki a matsayin yanayin da suka dace da tsari mai yawa da Ns. Wani abu wanda ake kira wannan ya ne ya kiran da motorin induction ya yi aiki a matsayin yanayin da suka dace da tsari mai yawa, da kuma ana kira wannan yanayin da suka dace da tsari mai yawa.
Me suna hanyoyin da ake amfani da su don kawo slip?
Hanyar stroboscopic tun daga cikin kawo masu aiki a kan rotor don kawo masu aiki a kan rotor
Saboda haka na core na transformer ya kama?
Yana bukata a gudanar da kawo eddy current loss. Su ne suka karfin da suka kafa da suka kafa da suka kafa da suka kafa da suka kafa da suka kafa. Amma a lokacin da ake kara solid structure, an yi aiki a kan air gap.
Sunan abubuwan da ake kira power a cikin electrical power?
An kira abubuwan da uku a cikin electrical power. Suna:
Apparent power
Active power
Reactive power
Bayyana muhimmancin cooling effect na transformer.
A nan da ake amfani da mekanismi na faduwar sauti kamar fina hawa don gudanar da sautin tansufin. An haɗa shi zuwa zuma na biyu saboda hawan sautin yadda ya ba da muhimmanci.
Me kuke so kuɗi CMRP?
Ana kirkirar da shi a matsayin darajar da ke cikin farkon jin dadin sauti na farko zuwa jin dadin sauti na musamman. Idan amfani mai tsarki ta farko ce, CMRP yana zama lantarki saboda jin dadin sauti na musamman ba ce.
Me kuke so kuɗi abin da ake haɗa rheostat na samun kan zuwa ma'ana na ƙarin da kuma abin da ake haɗa rheostat na armature zuwa ma'ana na ƙarin?
Idan ake fara mafi motoci, ana iya haɗa resistance na armature don dogara sauti na fara, sannan ana iya haɗa resistance na samun kan zuwa ma'ana na ƙarin don bayar da marubuta masu ƙarin a lokacin da ake fara mafi motoci.
Me kuke so kuɗi mafi motoci na biyu?
Mafi motoci na biyu wani ne da ake samu phase split a kan winding na fara da winding na yi. Misali, za a iya duba mafi motoci na alternating current servo motor da 90-degree phase difference a kan winding na auxiliary da control.
Me kuke so kuɗi differential amplifier?
Differential amplifiers suna amfani da su don dogara farkon jin dadin sauti daga biyu line na input, babu waɗanda ake tsaya zuwa ground. Wannan yana ƙara ƙwarewa da aka baka a cikin amplifier saboda dukkan ƙwarewa da suka faru a lokacin sama a biyu terminal na input zai aiki a cikin signal na common mode da circuitry na dogara ta ƙara.
Me kuke so kuɗi inrush current?
Inrush current shine sauti da ake ci a kan device na aiki a lokacin da aka fara ake bayar da electricity. Yana iya faru a cikin equipment na AC ko DC, kuma yana iya faru kafin ake fara ake bayar da supply voltage na ƙarin.
Me kuke so kuɗi Stepper Motor?
Motar da kawo-kawo shine motar da ya yi ko kai a matsayin fadada bayanin da aka bayyana. Wannan motar da kawo-kawo yana cikakken da suka sanya a matsayin motar da tsakanin lokaci. Ba a tabbatar da zaka iya amfani da duka wata lokaci ba. Yana so ka yi a harkokin adadin lokaci. A nan ya kamata da ita a wurin abubuwan da za su iya amfani da su na zaman kansu.
Me kuke so kuɗi mai girma?
Kuɗi mai girma tana nufin amfani da girmama a cikin gwamnati. Misali, amfani da girmama a cikin kasashen chem, tram, trolley, da sauransu. Tana amfani da kuɗi mai girma a cikin chemun da ke da sauƙi. Motoci da suka shafi da DC suna da muhimmanci a cikin gwamnatin kuɗi mai girma.
Me kuke so ma'ana ta KVA a kan tasirinsu?
Saboda ma'ana ta power factor ya bambanta da yanayin, muna ce ne kuma muna tabbatar da VA rating kuma muna fiye power factor. Amma a cikin motoci, power factor ya faruwa da kafin ake gina, saboda haka ratings na motoci suna cikin KW kuma suna haɗa da power factor.
Me kuke so aiki mai mahimmanci na rotary phase converter?
Saboda rotary phase converter yana kawo-kawo masu single phase power zuwa genuine balanced three phase power, ana kiran shi a cikin single phase to three phase converters. Abubuwan da ke da muhimmanci a cikin three-phase motors da wasu abubuwan da ke da muhimmanci a cikin three-phase equipment suna da muhimmanci a cikin kawo-kawo single-phase zuwa three-phase don haka mutum da mata suna da kyau suna iya amfani da three-phase equipment baki daya da kuma da biyu babu suka rauni abin da ke da kyau a cikin three-phase service.
Me kuke so excitation?
A cikin motoci da suka shafi da DC, excitation shine amfani da external voltage zuwa DC shunt coil.
Me kuke so ma'ana ta electrical diversity factor a cikin electrical installations?
Electrical diversity factor shine ratio daga sum of the individual maximum demands of distinct subdivisions of a system or part of a system zuwa total maximum demand of the system or part of the system under consideration. Electrical diversity yana da muhimmanci a cikin kungiyoyi da yake da wannan.
Yadda yana iya kawo haka daga ziyartar rike da ziyartar tsakiyar rike?
Ziyartar rike na nufin kofar mafi girman adadin jirgin kwamitin da ke gaba don bayar wasu abubuwa masu shiga idan akwai wata abin da ba daidai. Ziyartar tsakiyar rike tana da shakka cewa an yi ne a wurare da ake amfani da ita don inganta wuraren don hanyar kafuwar abin da ke faruwa.
Naɗa na yadda aikinsu ya shafi da aikin karkashin muhimmiyyar haɗi?
Wannan aiki na da aikin karkashin muhimmiyyar haɗi da ake bani a kan duk karkashin muhimmiyyar haɗi. Tana bayyana yadda aikin karkashin muhimmiyyar haɗi ta shiga (delta ko wye) da kuma farkon lokaci da aiki da aikin karkashin muhimmiyyar haɗi.
Me kuma abubuwan da ake iya samun su da aikin VSCF energy system?
Babu da kyau a yi aikin mai karfi game da canza.
Aero turbines suna da kyau a gaba da aikin da suke da shi.
An za a iya samun energy da yawa a tsakiyar wind speed.
Aerodynamic stresses da suka faruwa a matsayin aikin da suke da shi suna da kyau.
Yadda ake iya shafi da power factor yana iya shafi da Cu loss?
Cu loss ana da shakka cewa yana da muhimmanci a kan current da ke gaba a kan primary da secondary windings. Ana sanin cewa idan power factor yana da yawa, current da ke bukatar yana da yawa.
Yadda ake iya shafi da capacitors suna da shakka cewa suna iya yi waɗannan a alternating current?
Capacitors, a cikin haka, suna da shakka cewa suna da resistance da ba da iyali a kan dc components (i.e., block the DC components). Suna bayar ac components zuwa.
Me kuma wani aikin Buchholz relay da yadda ake iya shafi da shi a transformer?
Buchholz relay yana da shakka cewa shi ne gas-based relay da ake amfani da ita don inganta transformers daga abubuwan da suka faruwa a kan gida. Idan abubuwan da suka faruwa a kan gida suka faruwa a transformer, Buchholz relay yana da shakka cewa yana da shahara a lokacin da yake faruwa; idan transformer ya kusa a kan circuit, shahara ta fito; basu, circuit yana da shakka cewa yana da shahara a kan tripping mechanism da ke da shi.
Nafin da muhimmanci na gari'n ferranti?
Tsari na gida ya fi yawa da tsari na kafa, ko kuma tsari na gida ya fi yawa da tsari na kafa.
Daga baya ce da aka amfani da Tansufar Delta Star don kula masu shirya?
Masu shirya suna bukata magana mai zama, saboda haka an bukata tushen gida zuwa star, kuma wannan shirya ba da dukkan har zuwa waɗannan uku. Don inganta matsaloli a cikin tushen kafa, ana amfani da tushen delta a tushen kafa. Don masu shirya, ana amfani da tansufar delta / star.
Nafin da muhimmanci na QMS?
QMS ita ce takardun Quality Management System; yana bayyana duk bayanan da ke buƙaci kan bayanai game da kwalitas na karkashin gwamnati, kamar bayanin lamarin, kawo karfi, ingantaccen karkashin, da kuma ilimi, don inganta cewa babban gwamnati ya ba da kwallon kayayyaki.
Me karamin da ke nisa a cikin tushen fadada biyar da tushen fadada uku?
A tushen fadada biyar, ana bayyana shunt connection ta hanyar jiki, amma a tushen fadada uku, ana kudan shi da jiki, wanda yake da mata iya a tushen fadada uku.
Me so ku faru a lokacin da tsarin impediminta masu kula ya zama da tsarin impediminta na kafa na gari?
Gari na iya bayar tsari mai kyau a cikin masu kula
Nafin da muhimmanci na BOM?
Kalmomin "Bill of Materials" ita ce jerin abubuwa ko abincin da ke saurari wani abinci. Misali, mukamuka na shirya yana bukata tushen magana, tushen deck na ciwo, tushen kontrol, motor, da kuma tushen sarkin kasa.
Wani a matsayin muhimmanci na biyu a gini na tattalin arziki?
Muhimmanci na biyu a gini na tattalin arziki shine kawo karfi masu hana hankali da fasahar ingantaccen harkokin tattalin arziki, tabbatar da cikakken abincin da kuma manyan mutanen bayanai, koyar da lokacin tattalin arziki, koyar da zafi, da kuma ci gaba da kyauwa na baya.
Me mace nuna ne?
Idan kungiyar muhimman suka yi a tsari mai kyau don kawo karfi wani abu, ana kiranta kungiyar wasu su duka a matsayin Nuna.
Me mace “factory overhead” na nufin?
A cikin tattalin arziki, idan an samun adadin da ke faruwa, ana kiranta shi a matsayin “factory overhead,” wanda ba a ambaci adadin abincin ko kayan aiki na gargajiya.
Define control system?
Idan aiki da abubuwa a cikin nuna suna haɗa a tsari mai kyau don kawo karfi wani abu, ana kiranta nuna a matsayin Control System. Abin da ake karfi ko amsa shi ne aiki, sannan abin da ake amfani don karfin aiki ko ahaɗinsa shi ne abubuwa.
Me mace feedback a cikin control system?
Feedback a cikin control system shine kadan a nan an samu aiki da kuma a bayyana wani labari don aiki don kawo karfi abin da ya faru (wani yawan lashe a kan aiki da ake tambayata).
Me mace Negative Feedback ta fi yawa a cikin Control Systems?
Aiki na feedback a cikin control system shine kadan a nan an samu aiki da kuma a bayyana shi don aiki don kawo karfi abin da ya faru (wani yawan lashe a kan aiki da ake tambayata).
Na'urora da bayanin ya kula ci gaban dutsen jiki da kuma yana haifar da al'amuran sauti da kuma yana haifar da al'amuran sauti da kuma yana haifar da al'amuran sauti. Saboda haka, ana amfani da na'urorin da ke gaba a cikin tattalin kontrol.
A cikin sassan kuliya, yadda aka sanya relays?
An sanya relays zuwa mafi girman kuliya ta hanyar current transformer (CT) ko potential transformer (PT).
Me koyaya masu aiki na relays na electromechanical?
Relays na electromechanical sun yi aiki zuwa biyu na farko. Electromagnetic attraction da induction ne biyu na farko. A electromagnetic attraction, an yi magance relay plunger zuwa solenoid ko armature zuwa electromagnet poles. Ingantaccen aiki na electro-magnetic induction shine mafi yawan inda motori. An amfani da siffar induction don bayyana torque.
Mun yadda ake nufin reverse polarity, kuma yadda ake gyara?
Wannan shine yanayin da take da wadanda ake sanya sai. Don gyaran reverse polarity, tabbata shiga kungiyoyin wire a outlet. A receptacle da reverse polarity, za a sanya wire zuwa black wire da kuma hot side zuwa neutral side. Amma zan iya gyara wannan abin da ka swap cables.
Nufin trunk cable?
Trunk Cable yana nufin H1 ko HSE link single pair cable da ke sanya tattalin kontrol zuwa Foundation Fieldbus junction box a field.
Nufin Spur cable?
Spur Cable yana nufin H1 ko HSE link cable da ake amfani don sanya field instruments kamar transmitters, switches, valves, solenoid valves, da sauransu zuwa Foundation Fieldbus junction box.
Nufin Safety Earth?
Sabbin da lafiya shi ne haɗin kungiyar daɗi na farkon jirgin daɗi mai yawa don hankali. Farkon sabbin da lafiya ya kunshi hanyar gudanar daɗi mai yawa daga cikin jirgin, tushen, ko abokin daɗi zuwa tsakiyar daɗi mai yawa, wanda ke fada masu aiki su yi aiki a cikin jirgin, tushen, ko abokin daɗi.
Mai suna aikinsu?
Kapasantau ko induktansu ya samun zama ga kisan alamar daɗi mai yawa.
Me kadan da zama ga sabbin da lafiya yana iya zama?
5 Ohms ko daidai
Me kadan da zama ga sabbin da lafiya na instrument/signal yana iya zama?
1 Ohm ko daidai
Mai suna Megger?
Megger shine kayan aiki mafi girma a kan gyaran zama ga insulasyon.
Mai suna bus bar?
Bus bar shine kayan aiki mai yawa wanda ke kawo kisan alamar daɗi mai yawa da kuma akwai kungiyoyi daɗi mai yawa da kungiyoyi daɗi mai yawa. Bus bars suna cikin sub-stations da suke kula da single bus, ring bus, ko double bus.
Duk da muhimmancin daɗi mai yawa?
Za a buƙata kungiyoyi biyu kawai.
Akwai inductance, capacitance, da phase displacement issues wanda a lura a daɗi mai yawa ba za a lura.
Don load daɗi da voltage ta baka daɗi, drop voltage ya ci.
Ba za a lura system instability, sannan daɗi mai yawa.
Za a ci gida loss daɗi mai yawa da kuma interference da communication circuits daɗi mai yawa.
Bayyana wasu mai mahimmanci da ake amfani da su a matsayin mai kawo karamin kasa
Koppara
Aluminium
Steel na gurbin zink
Koppara da kadimiya
Bayyana hanyar kawo karamin kasa na yankin da na gaba
Hanyar kawo karamin kasa na yankin suna da inganci daga 50 zuwa 150 kilometri da tsari na kasa daga 20 zuwa 100 KV. Hanyar kawo karamin kasa na gaban kilomita 150 ya zama mafi karfi wajen kawo tsari mai yawa da 100KV.
Bayyana hanyar kawo karamin kasa na gaba
A cewa hanyar kawo karamin kasa na gaba idan tashar ta kadan da ke da shi ita kadan da 50 kilometri da kuma tsari na kasa ita kadan da 20 KV.
Wani motar sama ta aiki da fadin kafin kasa kawai
Reluctance motor
Yadda relays ke neman abubuwa
Tsari, kudin kasa, da ma'aikata suna yi aiki da mutane a kan yanayi. Relays suna da kyakkyawan neman kudin kasa da kuma tsari kamar yadda ake canza waɗannan parametere. Relays suna da hanyoyi masu neman abubuwan da dama saboda hakan ya samun neman overcurrent ko undervoltage.
Yadda proximity ya haɗa muhimmanci
idanda akwai wasu mai kawo karamin kasa na AC da ba su dace. Yadda proximity effect ya faru shine cewa kudin kasa na baya ne suka kawo al'adu don haka kudin kasa na AC ya zama kadan da kasa a kan karamin kasa na biyu da kuma kudin kasa na kasa a kan karamin kasa na biyu.
Bayyana switchyard
A kanar da daɗi mai faɗa suka ƙunshi ita ce shi ne. Itace taimakawa masu ma'aikata da kuma taimaka a ƙunshi da su.
Gaskiya na ma'aikatar da suka ƙunshi ita ce shi ne, wanda ya ƙunshi da gida a kanar da daɗi mai faɗa suka ƙunshi ita da kuma an yi amfani da shi a cewa gidan ita. Itace taimakawa alatun da yake da kyau a matsayin daɗi mai faɗa suka ƙunshi ita.
Mai suna na alatun da ke kanar da ita?
Matsayin tsari da tsakiyar karamin sanya
Alatun da yake da kyau a matsayin harsuna
Matsayin da isolator da karamin sanya
Alatun da yake da kyau a matsayin karamin sanya da karamin bus bar
Alatun da yake da kyau a matsayin karamin sanya da karamin wave trap
Zuwa da dama da aka samu a motorin synchroni?
Azumi da takalma ta rotor da karamin sanya suna da muhimmanci ga abubuwan da ke kanar da zuwa da dama.
Me so kuɗi a kanar da clearance elektriki?
Clearance elektriki ya fi so kuɗi don bayyana fagen ruwa da zai iya haɗa a kanar da phase to phase, phase to structure, da kuma phase to ground. Fagen ruwa suna da muhimmanci ga taimakawa kanar da darasi da kuma inganta flashovers.
Me suna da short circuit force?
Short circuit forces suna nufin fagen ruwa da aka samu a kanar da short circuit.
Me suna zama a kanar da power factor ta motorin synchroni idan karamin sanya ta rotor ya ɗauki?
Power factor zai ɗauki idan karamin sanya ta rotor ya ɗauki.
Me suna da islanding operation a kanar da grid elektriki?
Idan lokacin da yawan gwamnati na fadin karamin shi ya zama da tsawon hanyar da aka sani, mafi girman da ita ce za a gaba da tsafta, kuma za a gaba da wurare da ke da aiki. Dalilin ya gaba da tsafta na fadin karamin shi a wurare masu yawan hanyar shine don daidaito da lafiya na tsafta.
Me dace ne da ake yi amfani da karamin shi da yawan gwamnati mai zurfi?
Yawan gwamnati mai zurfi a tsafta za a gaba da yawan gwamnati mai zurfi.
Daga baya cewa da yake da aikin da ake amfani da shi, me dace ne da aikin motorin induksiya ya fi da aikin transformer?
Aikin mutanen da ake amfani da shi a motorin induksiya da transformer shine da aikin. A kan transformer, auran ya haɗa daga wurin daɗi zuwa wurin fili a tunanin transformer, amma a kan motorin induksiya, auran ya haɗa daga stator zuwa rotor a kan farin sama. Saboda haka, aikin faktarin auran na motorin induksiya za a fi da aikin faktarin auran na transformer.
Wadanda insulatoci suka amfani a kan karamin shi da yawan gwamnati 220KV?
Na yawan tsabta
A wata da ake yi amfani da earthing a kan karamin shi?
A kan yawan bayyana
Me dace ne da ake amfani da switchi na ingantaccen jiki a kan tsafta?
Yana aiki da abinci ga overburden.
Wurin da earthing switch ta daidai?
Ana fito shi a kan frame na circuit breaker.
A cikin kabilu, wani kabilu yana da shi a fukar hankali?
Kabilu na tsakiya
Bayyana muhimmanci, musamman, da kuma muhimmanci masu waɗanda a PN junction diode.
Muhimmanci Muhimmanci: Muhimmanci muhimmanci shine muhimmanci mai samu a cikin wuraren diode idan an yi muhimmanci a gaba.
Muhimmanci DC, ko kuma muhimmanci musamman, yana nufin ziyarwa daga voltage na DC a kan diode zuwa adadin amfani na DC da ke cikin ita.
AC, ko kuma Muhimmanci Muhimmanci, yana nufin ziyarwa daga tushen muhimmin diode na muhimmanci. Yana nufin muhimmanci da diode ke bayarwa don canza muhimmanci a gaba.
Sunaye kalmomin da ke faruwa a kan transformer?
Kalmomin da ba suka badala ko kuma kalmomin iron,
Kalmomin da suke badala ko kuma kalmomin copper
Kalmomin iron suna zama biyu. Suna da:
Kalmomin eddy current
Kalmomin hysteresis.
Bayyana Maximum power transfer theorem.
Maximum power transfer theorem yana bayyana game da muhimmancin da za a ci abin da ya fi sani. Wannan yana haɗa da muhimmancin da ya fi sani daga abin, a wannan lokaci muhimmancin da ya fi sani yana da shi a bangaren muhimmancin abin kuma yana iya bayarwa don muhimmancin da ya fi sani a bangaren muhimmancin abin. Wannan muhimmanci zai iya samun da a kan output terminals kuma sources na energy zai iya fito da rasu a wuce internal resistance.
Me kalmomin doping intrinsic semiconductors?
Don samu zama na fadada masu aiki da ake magana a kan fadada ba a yi
Daga nan ya kamata a yi amfani da masu aiki da ake magana a kan fadada da suka dace?
Saboda hakanin korona yana da muhimmanci a fadada dace, an yi amfani da masu aiki da ake magana a kan fadada da suka dace don kara hakanin korona. An yi amfani da masu aiki masu sauki a cikin fadada don kara hakanin korona da kuma kara tashin kuɗi da ake magana a kan fadada da suka dace.
Ma amsa “self-regulation”?
Self-regulation ita ce al'adun da ake yi har zuwa wani halayi mai kyau saboda ingantaccen bayanin input. Bayanin output ta shiga har zuwa halayi mai kyau har zuwa lokacin da bayanin output ta shiga halayi mai tsauri. Al'adun da ake amfani da irin halayi na kontrollo da ake amfani a matsayin halayi na adadin load mai suna baki daya.
Impedance ita ce?
Muhimman aikin da ke gane aiki na fadada a cikin fadada AC
Thomson effect ita ce?
Kafa ko ciyar da tsirrai a lokacin da current ta shiga a cikin masu aiki da ake magana a kan fadada da aka iya haɗa wannan fadada a kan fadada da kaɗan.
Hysteresis ita ce?
Abin da ake magana a kan fadada da aka iya haɗa wannan fadada a kan fadada da kaɗan, saboda abubuwan da ake magana a kan fadada da aka iya haɗa wannan fadada a kan fadada da kaɗan suka ba da aiki da ake magana a kan fadada da aka iya haɗa wannan fadada a kan fadada da kaɗan.
Reset-wind up ita ce?
Idan da ya faru aiki a tsohon kontrola a lokacin da takarda ta shirya na gida yana zama kadan har zuwa lokacin da dukkan. A nan, ya faru za a haɗa aiki zuwa mafi tsawo, wanda ke ƙaranta aiki. Idan an sanya aiki, za a haɗa aiki zuwa mafi tsawon har zuwa lokacin da takarda ta shirya ta latsa ita, wanda ke ƙaranta ƙarin ƙarfi. Wannan matsalolin zai iya samun karfin sa a yi a cikin ƙaramin kofin anti-reset, wanda ke ƙarata cikakken aiki.
Siffar da Corona Discharge?
Corona Discharge (ko kuma Corona Effect) shine fitowa mai sarrafa saboda jiragen ruwan da ake magance a kan kayan aiki mai sarrafa, kamar hawa. Corona effect zai faru a cikin sassan mafi yawan kashi idan ba a duba inganci a yi aiki don kada ƙarshen kashi na gida.
