Gabatarwa

Inganci da ƙarfin ƙarfin tunani biyu ne daban-daban.Ingancin injin yana nufin rabon ƙarfin fitarwa na motar zuwa ƙarfin da injin ɗin ke ɗauka daga grid, kuma yanayin wutar lantarki yana nufin rabon ƙarfin aiki na injin zuwa ƙarfin da ya bayyana.Low ikon factor zai haifar da babban amsawa halin yanzu da kuma babban layin juriya faduwa, haifar da low irin ƙarfin lantarki.Ƙarfin aiki yana ƙaruwa saboda karuwar asarar layi.Matsakaicin wutar lantarki yana da ƙasa, kuma ƙarfin lantarki da na yanzu ba a daidaita su ba; a lokacin da akwai reactive halin yanzu gudana ta cikin mota, da motor halin yanzu karuwa, da zafin jiki ne high, da kuma karfin juyi ne low, wanda ƙara ikon hasarar da grid.

Binciken ceton makamashi na ingantaccen injin maganadisu na dindindin

1. Kwatanta tasirin ceton makamashi

Motar YX3 tana da inganci mai ƙarfi da ƙarfi fiye da injin Y2 na al'ada, da injin ɗin magnet ɗin dindindin.yana da mafi girma yadda ya dace da ikon factorfiye da injin YX3 ingantaccen makamashi mai matakai uku, don haka tasirin ceton makamashi ya fi kyau.

2. Misalin tanadin makamashi

Shigar da halin yanzu na injin maganadisu na dindindin tare da ikon farantin suna na 22 kW shine 0.95, ƙarfin ƙarfin 0.95 da ingantaccen injin Y2 0.9, ƙarfin ƙarfin 0.85: I = P/1.73 × 380 × cosφ·η=44A, shigarwar na dindindin Magnet motor Yanzu: I = P / 1.73×380 × cosφ·η = 37A, bambancin amfani na yanzu shine 19%

3. Bayyanar ikon bincike

Y2 motor P = 1.732UI = 29 kW Magnet motor na dindindin P = 1.732UI = 24.3 kW bambancin amfani da wutar lantarki shine 19%

4. Part load makamashi amfani bincike

Ingantacciyar injin Y2 yana faɗuwa da gaske ƙasa da nauyin 80%, kuma yanayin wutar lantarki ya faɗi da gaske. Motocin maganadisu na dindindin suna kula da inganci mai ƙarfi da ƙarfin wuta tsakanin lodi 20% zuwa 120%. A wani bangare na lodi, injinan maganadisu na dindindinyiBabban fa'idodin ceton makamashi, har ma fiye da 50% ceton makamashi

5. Yin amfani da nazarin aikin mara amfani

Aiki na yanzu na Y2 motor gabaɗaya kusan 0.5 zuwa 0.7 sau da aka ƙididdige halin yanzu, ƙarfin ƙarfin injin maganadisu na dindindin yana kusa da 1, kuma ba a buƙatar halin yanzu na motsa jiki, don haka bambanci tsakanin halin yanzu na injin maganadisu na dindindin. kuma motar Y2 tana da kusan 50%.

6. Input motor ƙarfin lantarki bincike

Sau da yawa ana gano cewa idan injin maganadisu na dindindin ya maye gurbin motar Y2, ƙarfin lantarki zai ƙaru daga 380V zuwa 390V. Dalili: Ƙarƙashin ƙarfin wutar lantarki na Y2 motor zai haifar da babban ƙarfin lantarki, wanda hakan zai haifar da raguwa mai girma saboda juriya na layi, yana haifar da ƙananan ƙarfin lantarki. Motar maganadisu na dindindin yana da babban ƙarfin wutar lantarki, yana cinye ƙarancin jimlar halin yanzu, kuma yana rage faɗuwar wutar lantarki ta layi, yana haifar da haɓakar ƙarfin lantarki.

7. Binciken zamewar mota

Motocin Asynchronous gabaɗaya suna da zamewar 1% zuwa 6%, kuma injin ɗin magnet na dindindin suna aiki tare tare da zamewar 0. Don haka, a ƙarƙashin yanayi iri ɗaya, aikin injin magnet ɗin dindindin yana da 1% zuwa 6% sama da na injin Y2. .

8. Motoci na nazarin hasarar kai

Motar 22 kW Y2 yana da inganci na 90% da asarar kai na 10%. Rashin asarar kansa na motar yana da fiye da kilowatts 20,000 a cikin shekara guda na ci gaba da aiki ba tare da katsewa ba; ingancin injin maganadisu na dindindin shine 95%, kuma asarar kansa shine 5%. Kimanin kilowatts 10,000, asarar kai na motar Y2 ya ninka na injin maganadisu na dindindin.

9. Nazari na ikon factor kasa tukwici da horo tebur

Idan ma'aunin wutar lantarki na Y2 motor ya kasance 0.85, 0.6% na kudin wutar lantarki za a caje; idan wutar lantarki ta fi 0.95, za a rage kudin wutar lantarki da kashi 3%. Akwai bambanci na farashin 3.6% a cikin cajin wutar lantarki don injin maganadisu na dindindin da ke maye gurbin injin Y2, kuma darajar wutar lantarki na tsawon shekara guda na ci gaba da aiki shine kilowatts 7,000.

10. Nazari na Dokar Kare Makamashi

Ƙarfin wutar lantarki shine rabon aiki mai amfani zuwa bayyanannen iko. Motar Y2 tana da ƙarancin wutar lantarki, ƙarancin amfani da wutar lantarki, da yawan amfani da makamashi; Motar maganadisu na dindindin yana da babban ƙarfin wuta, ƙimar amfani mai kyau, da ƙarancin kuzari

11. Nazari Tambarin Takardun Makamashi na Ƙasa

Ingancin makamashi na mataki na biyu na injin maganadisu na dindindin: mafi yawan injin ceton makamashi YX3 motor Level-Ingarfin makamashi uku: Motar Y2 na yau da kullun an kawar da Motar: injin mai cin makamashi

12. Daga nazarin tallafin samar da makamashi na kasa

Taimakon kasa ga injiniyoyi tare da ingancin makamashi na mataki na biyu ya fi na na'urorin ingancin makamashi na mataki na uku. Manufar ita ce ceto makamashi daga dukkanin al'umma, ta yadda za a tabbatar da kasar ta yi takara a duniya. Daga hangen nesa na duniya, idan ana amfani da injunan maganadisu na dindindin a ko'ina, za a inganta yanayin wutar lantarki gabaɗayan shuka, tare da haɓaka ƙarfin wutar lantarki gabaɗaya, ingantaccen injin injin, ƙarancin layin layi, da ƙarancin samar da zafi na layi.

Jihar ta bayyana cewa idan ma'aunin wutar lantarki ya kasance tsakanin 0.7-0.9, 0.5% za a caje kowane 0.01 ƙasa da 0.9, kuma 1% za a caje kowane 0.01 ƙasa da 0.7 tsakanin 0.65-0.7, kuma ƙasa da 0.65, kowane ƙasa da 0.65. 0.65 Idan ma'aunin ƙarfin mai amfani ya kasance 0.6,sannanshi ne (0.9-0.7)/0.01 X0.5% + (0.7-0.65)/0.01 X1% + (0.65-0.6)/0.01X2%= 10%+5%+10%=25%

 

Ƙa'idodin ƙa'idodi

AC dindindin maganadisu na aiki tare da injin, rotor ba shi da zamewa, babu kuzarin lantarki, kuma na'ura mai jujjuyawar ba ta da mahimmancin ƙarfe na ƙarfe da tagulla. Na'ura mai jujjuyawa tana da ma'aunin ƙarfi mai ƙarfi saboda maganadisu na dindindin yana da nasa filin maganadisu kuma baya buƙatar motsin motsin halin yanzu. The reactive ikon ne m, da stator halin yanzu yana da yawa rage, da kuma stator jan karfe hasãra ne ƙwarai rage. A lokaci guda kuma, tun da madaidaicin sandar igiya na injin magnet ɗin da ba kasafai ba ya fi na injin asynchronous, lokacin da ƙarfin lantarki da tsarin stator ke dawwama, matsakaicin ƙarfin shigar da maganadisu na injin ya yi ƙasa da na asynchronous. motar, kuma asarar ƙarfe kaɗan ne. Ana iya ganin cewa injin ɗin da ba kasafai na duniya ba na dindindin na magnetin synchronous yana adana makamashi ta hanyar rage asararsa daban-daban, kuma canje-canjen yanayin aiki, yanayi da sauran abubuwan ba su shafar shi.

Halayen motsin injin maganadisu na dindindin

1. Babban inganci

Matsakaicin tanadin wutar lantarki ya fi 10%. Canjin ingantacciyar injin Y2 mai asynchronous gabaɗaya yana faɗuwa da sauri a kashi 60% na nauyin da aka ƙima, kuma ingancin ya yi ƙasa sosai a nauyi mai sauƙi. Canjin ingantaccen injin maganadisu na dindindin yana da tsayi kuma lebur, kuma yana kan babban matakin a 20% zuwa 120% na nauyin da aka ƙima. yankin yadda ya dace.Dangane da ma'auni na kan-site ta masana'antun da yawa a ƙarƙashin yanayin aiki daban-daban, ƙimar ceton wutar lantarki na injunan aiki tare da magneti na dindindin shine 10-40%.

2. Babban factor factor

Babban ƙarfin wutar lantarki, kusa da 1: injin ɗin injin maganadisu na dindindin ba ya buƙatar motsin tashin hankali na yanzu, don haka ikon ikon kusan 1 (har ma da capacitive), madaidaicin ma'aunin wutar lantarki da lanƙwasa mai inganci suna da girma da lebur, ƙarfin ikon yana da girma, stator halin yanzu ƙarami ne, kuma an rage asarar jan ƙarfe na stator, Inganta haɓaka. Girin wutar lantarki na masana'anta na iya rage ko ma soke biyan diyya na capacitor. A lokaci guda, ramuwa na wutar lantarki na injin maganadisu na dindindin shine diyya na ainihin lokaci akan rukunin yanar gizon, wanda ke sa ma'aunin wutar lantarki na masana'anta ya fi kwanciyar hankali, wanda ke da fa'ida sosai ga aikin yau da kullun na sauran kayan aiki, yana rage ƙarfin amsawa. asarar na USB watsa a cikin masana'anta, da kuma cimma sakamakon m makamashi ceto.

3. Motar halin yanzu karami ne

Bayan an karɓi injin maganadisu na dindindin, injin ɗin yana raguwa sosai. Idan aka kwatanta da injin Y2, injin maganadisu na dindindin yana da raguwar motsi sosai ta hanyar aunawa ta ainihi. Motar maganadisu na dindindin baya buƙatar motsin motsin halin yanzu, kuma ƙarfin halin yanzu yana raguwa sosai. An rage hasara a cikin watsawar kebul, wanda yayi daidai da faɗaɗa ƙarfin kebul, kuma ana iya shigar da ƙarin motoci akan kebul na watsawa.

4. Babu zamewa a cikin aiki, barga mai sauri

Motar maganadisu na dindindin mai aiki tare. Gudun motar yana da alaƙa kawai da yawan wutar lantarki. Lokacin da injin 2-pole yana aiki a ƙarƙashin wutar lantarki na 50Hz, saurin yana da tsayi sosai a 3000r/min.Babu jujjuyawar da aka rasa, babu zamewa, canjin wutar lantarki da girman kaya bai shafa ba.

5. Hawan zafin jiki shine 15-20 ℃ ƙasa

Idan aka kwatanta da motar Y2, asarar juriya na injin maganadisu na dindindin yana da ƙananan, jimlar asarar ta ragu sosai, kuma an rage yawan zafin jiki na motar.Dangane da ainihin ma'auni, a ƙarƙashin yanayi iri ɗaya, zafin aiki na injin maganadisu na dindindin shine 15-20 ° C ƙasa da na injin Y2.

---

Lokacin aikawa: Afrilu-18-2023