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Za a iya amfani da gidaje don kula hanyar tsarin karamin kashi?

Encyclopedia
Encyclopedia
فیلڈ: Dakilin ƙasashen ilimi
0
China

Farko da kula

A cikin fuskantar, maimakon da yake iya amfani da kyau don bayar tasiriwa. A matsayin maimako tana ci gaba da energy masanin (kamar yadda aka sanya da mutum da ya yi, turbine mai ruwa, bata) ko wasu irin energy daban-daban zuwa energy masu shirya, kuma ta fara shirya na biyu ko na uku da adadin volt da kuma ma'ana. Tasiriwa wani abu da ke kula da al'amuran inda masu shirya, wanda ake amfani da shi don canza shiryan voltage. Idan an samun maimakon da take sahihi da abubuwan da suka fi sani a kan tasiriwa (kamar voltage, ma'ana da wasu parametarin da suka fi sani a kan tsari), zai iya bayar tasiriwa.

Misali, maimako mai shirya na biyu da take fara 400V da ma'ana 50Hz zai iya bayar tasiriwa mai shirya da take fara da adadin voltage na musamman (kamar 380-420V) da ma'ana 50Hz.

Abubuwan da za su iya duba a cikin amfani

Voltage matching

Tsari na voltage da aka sani: Tasiriwa tana da tsari na input voltage da aka sani. Idan output voltage na maimakon ba a cikin wannan tsari, zai iya tabbatar da rike da rasu a kan tasiriwa. Idan output voltage na maimakon ya fi yawa, zai iya haifar da saturation na core na tasiriwa, zama iron loss, taka harshe da kuma iya haifar da insulation system na tasiriwa; idan voltage ya fi haske, tasiriwa zai iya ba da sakewa, da kuma output voltage ba za su iya tabbatar da rike da rasu. Misali, tasiriwa mai rated input voltage 10kV, idan output voltage na maimakon ya kai 8kV, zai iya haifar da output voltage na tasiriwa ba tabbatar da rike da rasu, tare da rike da rasu a kan amfani da wuraren abubuwan da suka fi sani a kan tasiriwa.

Kasuwanci na voltage: Kasuwanci na voltage na maimakon tana da muhimmanci. Output voltage na maimakon zai iya haifar da sakewa idan load ya haifar da sakewa. Idan maimako ba zai iya kasuwa voltage daidai, kafin output voltage ya fi yawa da tsari na input voltage da aka sani na tasiriwa, zai iya haifar da rike da rasu a kan tasiriwa. Wasu maimakoda suka da automatic voltage regulator (AVR), wanda ya iya kasuwa output voltage daidai don ya tabbatar da rike da rasu a kan input requirements na tasiriwa.

Frequency matching

Don duk tasiriwoda, musamman power transformers, frequency tana da muhimmanci. Idan output frequency na maimakon ba ya tabbatar da rated frequency na tasiriwa, characteristics na work na tasiriwa zai iya haifar da sakewa. Misali, idan frequency ya haifar da haske, reactance na tasiriwa zai haifar da haske, wanda zai iya haifar da current da kuma iya haifar da harshe na tasiriwa; idan frequency ya fi yawa, zai iya haifar da electromagnetic induction process a cikin tasiriwa, wanda zai iya haifar da abnormal output voltage. Misali, tasiriwa mai rated frequency 50Hz, idan an bayar shi da maimako mai output frequency 60Hz, har zuwa yadda tasiriwa zai iya amfani da shi, zai iya haifar da state na normal work, tare da rike da rasu a kan service life da performance.

Power matching

  • Capacity relationship: Output power na maimakon ya kamata lada bukatar tasiriwa. Idan power na maimakon ya fi haske da rated power na tasiriwa, tasiriwa zai iya ba da sakewa, ko a lokacin da ya fara load, maimako zai iya haifar da overload. Misali, maimako mai 100kW don tasiriwa mai rated power 200kW, lokacin da tasiriwa ya fara da load na musamman, maimako zai iya haifar da overload, wanda zai iya haifar da stability na power supply, tare da rike da rasu a kan maimako da tasiriwa.

  • Power factor: Power factor na maimakoda da tasiriwoda tana da muhimmanci. Power factor tana nuna efficiency na use da energy masu shirya da electrical equipment. Idan power factor na maimakon ba ya tabbatar da power factor na tasiriwa, zai iya haifar da effective transmission na energy masu shirya. Misali, idan power factor na maimakon ya fi haske, har zuwa apparent power ya kamata lada bukatar tasiriwa, actual active power da zai iya bayar tasiriwa ya haifar da haske, wanda zai iya haifar da tasiriwa ba tabbatar da rike da rasu.


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