viborg echvidisi padhathi

uyarnna volteju nerittulla vaidyuthadhaara upayogichu russian power sisttathil ninnu finlandilake vaidyuthi kaimaattam cheiyunna oru samvidaanamaanu viborg echvidisi skeem. ithil naalu 355 mva (250 emdablue) back-tuu-back kanverttar blokkukal adangiyirikkunnu, avayil aadya moonnu 1980 kalude thudakkathilum avasaanatheth 2001 januvariyilum poortthiyaayi. yadhaartha kanverttar upakaranagalil bhooribhaagavum naveekarikkukayo naveekarikkukayo cheythittundu.
charithram.
330 kevi russian (annathe soviyatt union) samvidaanathil ninnu 400 kevi finnish samvidaanathilekku vaidyuthi kaimaattam 1981 ll aarambhichu. russian, finnish vaidyuthi samvidaanangal asinkranas aayathinal, nerittulla essy kanakshan saadhyamaayirunnilla, koodaathe echvidisi-back-tuu-back steshan aavashyamaayirunnu. leningrad mekhalayile viborghinu sameepam substation nirmmikkaan theerumaanichu. substationte aadya yoonit 1981 desemberilum randaamathe yoonit 1982 sharathkaalathum moonnaamathe yoonit 1984 venalkkaalathum kammeeshan cheythu. ussrinte electrotechnical vyavasaya manthraalayamaanu eee samvidaanam nirmmichathu. 2001ll naalaamathe yoonit kootticherkkukayum moonnu yadhaartha thoonukalude niyanthranavum samrakshana upakaranangalum pinneedu naveekarikkukayum cheythu.
mattu mikka echvidisi plaantukalil ninnum vyathyasthamayi, athinte kanverttarukal yadhaarthathil dvidishaya oorjjam kaimaran anuvadichilla, marichu russiayil ninnu finlandile power gridilekku maathram anuvadichu. russiayile oreyoru back-tuu-back echvidisi samvidaanavum russiayile poornnamaayum pravarthanakshamamaaya eaka echvidisi samvidaanavumaayirunnu ithu, mattullava onnukil adachupoottappettu (mosco-kashira), orikkalum poorthiyaayittilla (ekkibaasttas-tambov) allengil kuranja seshiyil (volgograd-donbass) maathram pravartthikkunnu.
2022 meyy 13 nuu, panamadaykkaatthathinaal finlandilekkulla vaidyuthi irakkumathi nirthukayaanennu ravo nordic oru prasthavana puratthirakki. 2022 meyy meyy 2200 gram vaidyuthi vitharanam nirtthi.
saankethika vivaranam.
vaiborginte kizhakkayi viborg substation sthithicheyyunnu. russian, finnish hye-volteju power sistangalumaayi ithu bandhippichirikkunnu. vostochnaaya substationilekku rund 330 kevi lainukalum camennogorskaaya substationilekku oru line upayogichu substation russian power sisttavumaayi bandhippichirikkunnu. moonnu 400 kevi athirthi kadannulla kanakshanukalulla ithu finlandumaayi yillikkala (rund lineukal), kaimi (oru line) substationukalumaayi bandhippichirikkunnu.
substationil naalu swathanthravum samantharavumaaya samamita monopole (sentar-grounded) back-tuu-back unitukal adangiyirikkunnu, oronnum 355 mva rettucheythu ± 85 kevi voltejumaayi pravartthikkunnu. 
oro dhruvathinum oro attatthum panthrand pulse paalamund, thudakkam muthal thyristerukal upayogichaanu ithu nirmmichathu. aadyathe moonnu thoonukal yadhaarthathil oro thalatthilum samaantharamaayi moonnu cheria (60 milleemettar) vyaasamulla thyristerukal upayogichaanu nirmmichathu, ennaal ivaykku pakaram samanthara kanakshan aavashyamillaatha valia 80 milleemettar thyristerukal pinneedu sthaapichu.
tyoon cheytha filterukal bandhippichirikkunna 38.5 kevi filter windingulla thaarathamyena asaadhaaranamaaya single-phase, phoor-winding krameekaranamaanu kanverttar transformerukal. mattu hye-paas filterukal 330 kevi allengil 400 kevi essy basbaarukalumaayi nerittu bandhippichirikkunnu.
2009ll soudi arabiayil 1800 megawatt alle-fadili soukaryam poortthiyaakunnathuvare 1000 megawatt motham transmission rettingulla viborg lokathile ettavum valia echvidisi-back-tuu-back soukaryamaayirunnu.

