The Master Node of Distribution Networks
The5000 kVA Oli e Kentsoeng Transformere sebetsa e le mohloli oa mantlha oa motlakase bakeng sa-lipaka tsa liindasteri tse kholo, lipetlele le liteishene tsa setereke. Boemong bona, yuniti e koala lekhalo lipakeng tsa-maoto a motlakase a phahameng le ho ajoa ha lehae, e sebetsa e le "Master" unit e fepang li-transformer tse ngata tse tlase.
Ha a ntse a tshebetso categorized e le e kholooli qoelisoa kabo ea transformer, boenjiniere ba eona bo lumellana haholoanyane le litekanyetso tsa motlakase oa motlakase. E etselitsoe ho sebetsana le li-profiles tse rarahaneng tsa mojaro moo botsitso ba motlakase bo leng bohlokoa.
Active Voltage Stabilization (OLTC)
Ho 5 MVA, tlhophiso e bonolo ea pompo e tsitsitseng ha se hangata e lekaneng ho sebetsana le ho feto-fetoha ha grid letsatsi le letsatsi. Sebakeng sa ho tima{2}} lipompo tsa potoloho, yuniti ena e entsoe ka matlaHo-Load Tap Changer (OLTC).
Mochine ona o lumella transformer hore e fetole maemo a pompo tlas'a maemo a mangata ntle le ho sitisa phepelo ea motlakase. Ha e hokahantsoe le phanele ea taolo ea kantle (AVR), transformer e sebetsa ka matla ho bala li-voltage tse bakoang ke liphetoho tse phahameng tsa indasteri. E fetola karo-karolelano (hangata ho ± 10%) ho etsa bonnete ba hore motlakase oa bobeli o lula o le teng-o sa sisinyeheng, o sireletsa lisebelisoa tse hlokolosi tse theosang hore li se ke tsa tsamaea ka tlas'a motlakase.
Kwala-on{1}}On{1}}Load Tap Changer (OLTC) lebokose la mochini la drive
ka transformer ea 5000 kVA.
Phapano ea Boikemisetso ba Tšireletso
Ho sireletsa -matlotlo a maholo joalo ka 5 MVA transformer ho hloka lebelo la ho lemoha liphoso ka potlako ho feta kamoo li-fuse kapa li-breaker tse tloaelehileng li ka fanang ka tsona.
Re rala tanka hore e be tengturret-mounted Current Transformers (CTs)ka ho toba ka hare ho HV le LV bushing turrets. Tlhophiso ena e bohlokoa bakeng sa ts'ebetsongMerero ea Tšireletso e fapaneng. Ka ho beha leihlo boemo ba hajoale lipakeng tsa ho kenya le ho tsoa, sistimi e khona ho tseba le ho khetholla liphoso tse sa bonahaleng (joalo ka ho chencha-ho{2}}fetola marikhoe a makhutšoane) ka metsotsoana{3}e telele pele li fetoha mathata a maholo.
Leqephe la Boitsebiso ba Teknoloji
|
Tekheniki Parameter |
Lintlha / Tlhophiso |
|
Rated Power |
5000 kVA (5 MVA) |
|
Voltage ea mantlha |
33kV / 35kV |
|
Motlakase oa bobeli |
6.6kV / 11kV (Tlhaloso) kapa 400V |
|
Molawana wa Voltage |
OLTC (E Buletsoe-Moroalo) kapa OCTC (E Timile-Potoloho) |
|
Tlanya Range |
±8 x 1.25% (Maemo a 17) |
|
Voltage ea Impedance |
7.0% - 8.0% (Ho fokotsa mathata) |
|
Ho phodisa |
ONA / ONAF |
|
Sehlopha sa Tšireletso |
Tšireletso e fapaneng e Lokisitsoe (Class X CTs) |
|
Kakaretso ea Boima |
Hoo e ka bang. 10,000 - 12,000 lik'hilograma |
| Maemo le Setifikeiti | IEC 60076|CE|ISO 9001 | |
Maemo a Tlhophiso le Ts'ebeliso
- Seteishene se ka Sehloohong sa Indasteri:Ho nka matla a 33kV ho keriting le ho a theolela tlase ho 11kV kapa 6.6kV ho fepa selikalikoe sa li-transformer tse nyane tse ajoang mokatong oa feme.
- Thepa e boima ea Morafo:Ho matlafatsa li-dragline tse kholo kapa li-crusher moo ho theoha ha motlakase o qalang ho tlameha ho lefshoa ka matla ke OLTC.
- Setereke sa Motlakase:E sebetsa joalo ka phepelo ea libaka bakeng sa lekeishene la bolulo, e fanang ka phepelo e ka bang teng3,000 ho 4,000 matlo.
5000 kVA oli e qoelisoang ka oli e kentsoeng ka ntle
seteishene se seholo sa indasteri.
LBH
Q1: Ke litlhophiso life tsa motlakase tse fumanehang bakeng sa transformer ea 5000 kVA?
Tlhophiso e tloaelehileng ke 33kV primary / 11kV secondary (IEC 60076) kapa 35kV primary / 11kV secondary (GB 1094). Maemo a tloaelehileng a motlakase - ho kenyelletsa le 33/6.6kV le 35/0.4kV - a teng ha a kopa. Ka kopo, romella lintlha tsa projeke ea hau bakeng sa litlhophiso tse lokiselitsoeng.
Q2: Na transformer ee e tšehetsa-load tap change (OLTC), le hore na taolo ke efe?
Ee. Yuniti e na le On{1}}Load Tap Changer (OLTC) joalo ka tloaelo, e sebetsanang le maemo a ±10% a taolo libakeng tse 17 tsa ho theipi (±8 × 1.25%). An Off-Circuit Tap Changer (OCTC) ea fumaneha e le mokhoa o mong bakeng sa lits'ebetso tseo motlakase oa tsona o tsitsitseng.
Q3: Ke litekanyetso life tsa machaba tseo transformer ee e lumellanang le tsona?
Transformer ena e entsoe ho latela IEC 60076. Litlaleho tsa liteko tsa mofuta o felletseng (ho kenyeletsoa le ho phahama ha mocheso, dielectric, le liteko tse khutšoane- tsa ho mamella liteko) lia fumaneha ha u kopa. Ka kopo ikopanye le rona ho netefatsa litlhoko tsa setifikeiti bakeng sa mmaraka oo u o lebelelitseng.
Q4: Nako ea ho etella pele ke efe, 'me na transformer e ka etsoa ka mokhoa o ikhethileng?
Nako e tloaelehileng ea ho etella pele ke libeke tse 8-12 ho tloha ho netefatso ea odara le litšoantšo tse amohetsoeng. Likhetho tsa ho ikhethela li kenyelletsa thepa e tsoelipanang (koporo kapa aluminium), tlhophiso ea ho futhumatsa (ONAN / ONAF), lisebelisoa tsa ts'ireletso, le lintlha tse koetsoeng. Khotheishene e felletseng e tla fanoa ho latela lintlha tsa hau.
Q5: Ho thoe'ng ka mor'a{1}}ts'ehetso ea thekiso e fanoang bakeng sa merero ea mose ho maoatle?
Re fana ka litokomane tsa komisi, libuka tsa ts'ebetso le tsa tlhokomelo, le ts'ehetso ea tekheniki e hole joalo ka maemo. -lithuso tsa khomishene ea sebaka sa marang-rang le phepelo ea likarolo tse ling li ka hlophisoa ha u e kopa. Ka kopo buisana ka sebaka sa projeke ea hau le litlhoko le sehlopha sa rona sa botekgeniki sethaleng sa lipatlisiso.
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