Dab- Injineerin badbaado leh oo loogu talagalay aagagga halista ah
Maamulayaasha xarunta warshadaha, geynaya a3000 kVA Beddelka Nooca Qalalanbadiyaa waa go'aan istiraatijiyadeed oo lagu baabi'inayo khataraha dabka ee la xidhiidha saliidda{0}}cutubyo ka buuxan meelaha habsocodka muhiimka ah. Halkii laga dhisi lahaa dab qaali ah -qasnadaha xakamaynta ee dareeraha{3}}cutubka buuxa, hawadan{4}} xalalka qaboojiyey waxa lagu rakibi karaa si toos ah ugu dheggan mashiinka qiimaha sare leh ama gudaha aagagga warshadaha ee dadku ku badan yahay.
Sida premiumkoronto qallalan, cutubkan waxa loo farsameeyay in uu ku shaqeeyo iyada oo aan lahayn dielectric guban karta. Doorkeeda aasaasiga ah waa in ay u adeegto sidii badbaado, dayactir - node koronto bilaash ah oo deegaanka ah halka qaraxa transformerka ama daadinta saliiddu ay noqon doonto masiibo, sida miinooyinka dhulka hoostiisa mara ama meelaha xeebaha ah.
Istaraatiijiyada Voltage: Dhimista Arc Flash
Waa maxay sababta injineerada ay dhif u sheegaan 3000 kVA at 400V? Ma aha oo kaliya dhumucda fiilada; waxay ku saabsan tahay badbaadada.
Xawaaraha 400V, cutubkani waxa uu riixayaa in ka badan 4300 Amps. Haddii ay dhacdo cilad, Tamarta Dhacdada Arc Flash ee ugu hooseysa-meelaha korantada waxay noqon doontaa mid aad u weyn, taasoo keeneysa khatar halis ah shaqaalaha dayactirka xitaa PPE.
Sidaa darteed, taniTransformer qaybinta resin kawaxaa sida caadiga ah loo habeeyey690Vama3.3kV/6.6kVwax soo saarka. Innagoo kor u qaadayna danabka sare, waxaan hoos u dhigaynaa hadda la qiimeeyay (tusaale, ilaa ~260A at 6.6kV). Tani waxay si aad ah u yaraynaysaa tamarta cilladaysan ee iman karta, taas oo u oggolaanaysa isticmaalka heerka, qiimaynta ilaalinta qalabka beddesha iyada oo aan loo baahnayn kuwa sare oo - awood jabiya.
Qaadista Sare: Dhuumaha Qaboojinta Gudaha
Kordhinta ilaa aku shub resin nooca qalalan transformercabbirkan wuxuu soo bandhigayaa caqabad kuleyl oo muhiim ah: ka soo saarida kulaylka lakabyada qoto dheer ee dabaysha. Dhagax adag oo xabagta ah waa kirishbooyada kulaylka oo liita.
Si taas loo xalliyo, gariiradayada 3000 kVA looma tuurin sidii dhululubo adag. Halkii, waan isticmaalnaaDhuumaha Qaboojinta Gudaha. Inta lagu jiro habka shubista, caaryada gaarka ah waxay abuuraan kanaalo hawo toosangudahadabaylaha sare ee - laftiisa Joometry-kani waxa uu u kala qaybiyaa gariiradda oo u kala qaybisa qaybo xoog leh, iyada oo labanlaabaysa bedka dusha sare ee diyaar u ah is-weydaarsiga kulaylka. Tani waxay hubinaysaa in heerkulka asaasiga ahi uu ahaado mid isku mid ah, kana hortagaya "goobaha kulul" ee hoos u dhigaya nolosha dahaarka.
U hoggaansanaanta: IEC 60076-11 Tijaabooyin joogto ah
Kalsoonida 3 MVA maahan - gorgortanka Cutub kasta waxa uu maraa albaab tayo adag oo si adag ugu dheggantusaale 60076 11.
- Xaqiijinta Qayb Bixin ah (PD):Si ka duwan unugyada saliidda, transformers qalalan isma bogsiin karaan- Waxaan ku sameyneynaa tijaabinta adkeysiga korantada AC ee la kiciyay iyadoo la adeegsanayo cabbirka PD. Heerka aqbalaadda ayaa ka adag heerka caadiga ah: waanu amarnayIn ka yar ama la mid ah 10 pcat 1.3 jeer danab la qiimeeyay.
- Tijaabada Xamaasada:Si loo xaqiijiyo awoodda dabaysha ee u adkeysan karto kororka wareegyada, unugga waxaa la marinayaa tijaabada hillaaca (tusaale, 75 kV ama 95 kV ugu sarreysa), iyadoo la hubinayo in qaab-dhismeedka resin-ku uusan ku soo dhicin walaac ku-meel-gaar ah.
Tijaabada hillaaca warshadda ee xaqiijinaysa 3000 kVA qalalan
dahaarka transformer.
Xaashida Xogta Farsamada
|
Qiyaasta Farsamada |
Xogta Gaarka ah |
|
Awood lagu qiimeeyay |
3000 kVA (3 MVA) |
|
Korantada aasaasiga ah |
10kV / 11kV / 33kV / 35kV |
|
Voltage Secondary |
690V / 3.3kV / 6.6kV (waxaa lagu talinayaa) |
|
Hadda lagu qiimeeyay |
~ 2510 A (oo ah 690V) / ~ 262 A (waa 6.6kV) |
|
Kala soocidda |
koronto qallalan |
|
Xakamaynta Voltage |
7.0% - 8.0% (Z sare si loo xaddido khaladaadka kA) |
|
Heerka dahaarka |
Fasalka F (155 darajo) ama fasalka H (180 darajo) |
|
Qaboojin |
AN (Saldhiga) / AF (Hawada Qasabka ah) |
|
Heerka PD |
In ka yar ama la mid ah 10 pC (IEC 60076-11) |
|
Wadarta Miisaanka |
Qiyaastii . 7, 500 - 8,800 kg |
Macnaha Codsiga Caadiga ah
- Dhaqdhaqaaqa badda:Lagu rakibay gudaha godka doomaha korantada si loo xoojiyo matoorada 690V. Isku-xidhka - bakhtiyaa suntu waa qasab u hoggaansanaanta badbaadada badda (Heerka DNV/Lloyd).
- Macdanta Dhulka Hoostiisa:Awoodda 3.3kV marawaxadaha hawo-qaadista ee dhulka hoostiisa hoostiisa ah halkaas oo hawadu ku xaddidan tahay qiiqa dabkuna uu dilaa.
- Wadooyinka Sifeynta:U adeegaya sidii quud gaar ah oo loogu talagalay Darawalada Frequency Variable (VFDs) ee aagagga halista ah (Zone 2) halkaasoo saliidda{1}ka buuxsanto laga mamnuucay.
3000 kVA nooc qalalan oo lagu rakibay doon koronto oo loogu talagalay
kicinta badda.
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