Barka da zuwa gidajen yanar gizon mu!
nufa

Tambayoyi na fasaha da amsoshi don saitin janareta na diesel (II)

1. Tambaya: Bayan da ma'aikacin ya ɗauki nauyin saitin janareta na diesel, wanne ne a cikin maki uku na farko don tabbatarwa?

A: 1) Tabbatar da ainihin ikon amfani na naúrar. Sannan ƙayyade ƙarfin tattalin arziki, da ƙarfin jiran aiki. Hanyar tabbatar da ainihin ikon amfani na naúrar ita ce: awoyi 12 da aka ƙididdige ƙarfininjin dizalana ninka da 0.9 don samun bayanai (kw), idan ƙimar ƙarfin janareta bai kai ko daidai da bayanan ba, ana ƙididdige ƙarfin wutar lantarki a matsayin ainihin ƙarfin amfani na naúrar, idan ƙimar ƙarfin wutar lantarki janareta ya fi bayanan girma, dole ne a yi amfani da bayanan azaman ainihin ikon amfani na naúrar; 2) Tabbatar da ayyukan kare kai da sashin ke da shi; 3) Tabbatar da ko wayar wutar lantarki ta naúrar ta cancanta, ko ƙasan kariyar abin dogaro ne, da kuma ko nauyin nau'i uku na asali daidai ne.

2. Tambaya: The lif fara mota ne 22KW, da kuma yadda girma da janareta saitin ya kamata a sanye take?

A: 22 * ​​7 = 154KW (lif shine samfurin farawa kai tsaye, kuma saurin farawa na yanzu shine sau 7 wanda aka ƙididdige shi don tabbatar da cewa lif yana motsawa cikin sauri). (Wato, aƙalla 154KWsaitin janaretaya kamata a shirya)

3. Tambaya: Yadda za a lissafta mafi kyawun ikon amfani (ikon tattalin arziki) na saitin janareta?

A: P mafi girma = 3/4* P rating (watau 0.75 sau rated iko).

4. Tambaya: Yaya girman jihar ya ƙayyade cewa ƙarfin injin janareta na gabaɗaya saitinjanareta ikon?

A: ku 10.

5. Q: Wasu janareta ikon engine aka bayyana da horsepower, yadda za a maida tsakanin horsepower da kasa da kasa raka'a na kilowatts?

A: 1 doki = 0.735 kW, 1 kW = 1.36 HP.

6. Q: Yadda ake lissafin halin yanzu najanareta mai hawa uku?

A: I = P / 3 Ucos phi ()), halin yanzu = iko (watts) / 3 * 400 () (v) * 0.8 1.8

7. Q: Alakar da ke tsakanin ikon bayyananniyar, iko mai aiki, ikon da aka ƙididdigewa, matsakaicin iko da ikon tattalin arziki?

A: 1) Naúrar wutar lantarki ta bayyana ita ce KVA, wanda ake amfani da shi don bayyana ƙarfin tasfoma da UPS a kasar Sin; 2) Ƙarfin aiki shine sau 0.8 na ƙarfin bayyane, naúrar ita ce KW, wanda ake amfani dashi a ciki.kayan aikin samar da wutar lantarkida kayan aikin lantarki a kasar Sin; 3) Ƙimar wutar lantarki na saitin janareta na diesel yana nufin ikon da zai iya ci gaba da aiki har tsawon sa'o'i 12; 4) Matsakaicin iko shine sau 1.1 na ƙarfin da aka ƙididdigewa, amma ana ba da izinin awa 1 kawai a cikin sa'o'i 12; 5) Ƙarfin tattalin arziƙi shine sau 0.75 na ƙarfin da aka ƙididdigewa, wanda shine ikon fitarwa na saitin janareta na diesel wanda zai iya aiki na dogon lokaci ba tare da ƙuntatawa na lokaci ba. Lokacin aiki da wannan wutar lantarki, man fetur shine mafi yawan adanawa kuma yawan gazawar shine mafi ƙanƙanci.

8. Tambaya: Me ya sa ba a ƙyale injinan diesel su yi aiki na dogon lokaci a ƙasa da 50% na wutar lantarki?

A: Ƙara yawan mai, injin dizal yana da sauƙin carbon, ƙara yawan gazawar, rage sake zagayowar.

9. Q: Ainihin ikon fitarwa najanaretayayin aiki ya dogara da mitar wutar lantarki ko ammeter?

A: Ana amfani da ammeter don tunani kawai.


Lokacin aikawa: Juni-11-2024