Guriga> Shirkadda Shirkadda> Beddelka Sameeya Dhexdhexaad U gaar ah: Transformer-ka Grounding Zig-Zag

Beddelka Sameeya Dhexdhexaad U gaar ah: Transformer-ka Grounding Zig-Zag

2026,09,20
Qaabka taransfooriyaha dhulka dhigaya ee zigzag-ka abuuraya dhexdhexaad macmal ah iyada oo loo marayo iska caabiyaha dhulka dhexdhexaadka ah ee dhulka, muujinaya hawlgal dheellitiran oo caadi ah iyo cilad xariiq ilaa-dhul ah.

Hordhac (qof walba)

Sawir nadaamka korantada ee saddex-waji ah oo loo sawiray sidii saddex xagal: saddex fiilo oo hadda jira 120°, laakiin aan lahayn silig afraad oo dhexdhexaad ah . Haddii hal siligu uu si lama filaan ah u taabto dhulka (khalad-ka-soo-baxa dhulka), ma jirto waddo fudud oo soo laabasho ah, markaa cilada hadda jirta way yartahay wayna adagtahay in la ogaado. Kaaga darane, labada fiilood ee caafimaadka qaba waxay kor ugu kici karaan korantada laynka-line-ka ah waxayna si aamusnaan ah u culaysin karaan fiilo kasta iyo matoor kasta oo baska saaran. Transformer-ka dhul-dhigista zigzag waa xariif, is beddele gaar ah oo tan hagaajiya: wuxuu si deggan u dhisaa meel dhexdhexaad ah oo macmal ah si nidaamku si badbaado leh loo dejiyo, cilladahana waa la ogaan karaa, korantaduna way xasilloon tahay. Ma aha halkaas in lagu xoojiyo nalalkaaga - waxay u jirtaa si loo ilaaliyo nidaamka.

Sida ay u shaqeyso (mabda'a & nooca)

Magaca "zig-zag" wuxuu ka yimid qaabka dabaylaha. Mid kasta oo ka mid ah saddexda addin ee xudunta birta ah waxay ku fadhiyaan laba dabayl, labada dabaylood ee addinka ku yaal waxay ka tirsan yihiin wejiyada kala duwan , dhaawaca jihooyin iska soo horjeeda. Sida caadiga ah, hawlgalka dheellitiran ee saddexda weji ee qulqulka waa siman yihiin oo 120° kala fogaanayaan, markaa saameyntooda birlabeedku waxay baabi'isaa gudaha xudunta. Transformer-ku waxa uu soo sawiraa oo kaliya wax yar oo magnetization ah halka barta dhexdhexaadka ah ay si deggan u fadhiisato meel u dhow awoodda dhulka.

Ciladda dhulka ma dheellitirna. Waxay abuurtaa qayb isku xigxiga eber - hadda oo si isku mid ah u socota dhammaan saddexda weji. Habkaas ma baabi'iyo dabaylaha zigzag; taa beddelkeeda waxay helaysaa dariiqa dib u soo celinta hooseeya ee dhexdhexaadka ah. Markaa aaladda “iska indho tiraysa” culayska caadiga ah ee hadda socda waxa uu furayaa albaab la kontoroolo oo loogu talagalay hadda khaladka dhulka. Dhexdhexaadka la soo saaray ayaa inta badan ku xidhan dhulka iyada oo loo sii marayo iska caabbinta Grounding dhexdhexaadka ah (NGR) ama reactor kaas oo ku xaddidaya khaladka hadda jira, qiime badbaado leh.

Tusaalaha codsiga (injineer)

Tixgeli warshad warshadeed oo uu quudiyo baska korantada dhexdhexaadka ah ee 11kV-ku xiran ee delta - caadi sababtoo ah nidaamyada delta ma bixiyaan dhexdhexaad. Ku rakib beddelka dhul-beereedka zigzag baska, dheh, 400 A NGR. Hawlgalka caadiga ah waxa uu qaadaa oo kaliya magnetizing current. Marka marxaladi cilad ku timaado dhulka, eber isku xigxiga hadda wuxuu ku soo noqdaa dhex dhexaadiyaha taransfoorka iyo NGR, isagoo soo saaraya xaddidan, cillad hadda la ogaan karo (tusaale 400 A ~ 10 s ilaalintu waxay u baahan tahay inay safrto). La'aanteed, khaladka ugu horreeya ee dhulka waxa uu noqon lahaa mid aan la arki karin halka wejiyada aan cilad la'aanta ahayn ay kor u kacayaan xagga laynka-line. Heerarka laxiriira waa IEC 60076-6 iyo IEEE C57.32 (qalabka dhulka dhexdhexaadka ah).

Halbeegyada muhiimka ah & xulashada (injineer)

Sababtoo ah hadda caadiga ah waa mid yar, cutubyadan ayaa caadi ahaan waqti gaaban lagu qiimeeyaa (10s, 30s, ama 60 s ee khaladka buuxa) halkii si joogto ah loo qiimeyn lahaa - inkastoo qaarkood ay ku jiraan qiimeynta culeyska joogtada ah. Sheeg: tamarta nidaamka (sida caadiga ah 3.3-66 kV), loo baahan yahay hadda cilad dhulka, muddada cilladda, habka dhulka (adag / iska caabin / falcelin), iyo is-hortaag eber ah. Digniin: cilladaha soo noqnoqda ama guuldarada in la nadiifiyo waxay dhaafi kartaa qiimeynta kulaylka ee wakhtiga gaaban oo waxay burburin kartaa cutubka.

Khalad guud & xaqiiqo madadaalo leh

Fikrad khaldan: "Transformer-ka dhulka dhigaya waa koronto yar oo aad sidoo kale ka soo jiidan kartid." Dhab ahaantii caadi ahaan ma keento wax rar ah - kaliya tixraac dhulka ah. Xamuulka dhabta ahi waxa uu u baahan yahay dabaylo caawiye ah oo si gaar ah loo qiimeeyay.

Xaqiiqo xiiso leh: Transformer-ka zig-zag wuxuu leeyahay dabaylo aasaasi ah laakiin ma jiro dabaylo sare gabi ahaanba . "wax soo saarkeedu" ma aha awood laakiin waa bar dhexdhexaad ah oo deggan - oo lagu doodi karo meesha ugu muhiimsan ee nidaamka oo dhan.

Nala soo xiriir

Author:

Ms. Amy Wu

Phone/WhatsApp:

+86 13612662976

Alaabta caanka ah
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Author:

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