500 kVA Pad Mount Transformer-13.8/0.48 kV|USA 2025

Live Front ke moetso oo li-terminals tsa-voltage tse phahameng li pepesehang (li bonahalang ka ho toba le tse fihlellehang); lisebelisoa tsa motlakase tse sebelisang moralo ona li fana ka likhokahano tse tobileng (tse sirelelitsoeng ka lintho tse sireletsang joalo ka matsoho a rabara), li fana ka khokahanyo e feto-fetohang (ho ikamahanya le litlhoko tse fapaneng tsa ho fumana matla), e hloka tsebo e phahameng ea opareitara/concentration (bakeng sa ts'ebetso e bolokehileng e nang le likarolo tsa motlakase tse pepeneneng-), 'me e lumellane le maemo a ikhethileng (mohlala, phepelo ea motlakase ea nakoana) e hlokang likhoele khafetsa kapa litokiso.

Pad mounted transformer's radial feed (terminal type) ke topology ea phepelo ea motlakase moo transformer e sebetsang e le node e bohareng, 'me matla a romelloa likarolong tse ngata tsa mojaro ka mela e arohaneng, e khanyang (-joaloka linaleli) (joalo ka ha ho bonts'itsoe setšoantšong: transformer e bohareng e hokahana ka kotloloho le mojaro o mong le o mong ka potoloho e ikemetseng).

Likarolo tsa eona tsa mantlha li kenyelletsa: sebopeho se bonolo le litšenyehelo tse tlase, empa ha ho na litsela tsa motlakase tse sa hlokahaleng-haeba mohala o le mong o hloleha, mojaro o tsamaellanang o tla felloa ke matla (kaha ha ho na tsela ea phepelo ea bekapo).

Tanka ea oli e hahiloe ka-ka tšepe e matla ea k'habone, e fanang ka lisebelisoa tse ntle ka ho fetisisa tsa mochini, ho hanyetsa mocheso o phahameng, le ho hanyetsa ho bola. Transformer le likarolo li pentiloe ka pente ea primer. Penta bokantle ba mmala ke maemo a ANSI #70 a boputsoa bo boputsoa epoxy ho mamella tikoloho ea indasteri e pepesehileng sulfur dioxide. Tanka ea oli e na le li-valve tsa polokeho ho imolla khatello e feteletseng ea kahare, ho thibela ho phatloha kapa ho lutla ka lebaka la khatello e feteletseng.

Sistimi ea IFD (Internal Fault arc Detection) ho pad-li-transformer tse kentsoeng ke karolo ea bohlokoa ea polokeho e etselitsoeng ho lemoha le ho fokotsa liphoso tsa ka hare tse bakoang ke li-circuits tse khutšoane. E sebelisa khatello e kopantsoeng le / kapa li-sensor tse bobebe ho tseba hang-hang maemo a phoso, e leng se bakang ho khoptjoa ha li-breaker kapa li-fuse ka har'a milliseconds. Ka nako e ts'oanang, e hahelletsoeng-ka har'a liphaephe tsa ho imolla khatello ka mokhoa o sireletsehileng ho tsamaisa likhase tse phatlohang hole le basebetsi le lisebelisoa. Tšireletso ena e kopanetsoeng e thibela ho phatloha ha litanka tse kotsi, e na le phoso, e matlafatsa tšireletso ea sechaba libakeng tse nang le baahi ba bangata, 'me e fokotsa tšenyo ea transformer le marang-rang a motlakase a potolohileng.

Bayonet fuse ke fuse ya hajwale-e fokotsang e nang le polaka-moetso, e kentsweng lehlakoreng le phahameng-e letshireletso ya bekapokhahlano le liphoso tsa ka hare kapa tse matla tsa bobeli{0}}. Ea eonamoetso oa mokhoa oa bayonet-e lumella sebaka se sireletsehileng, ka letsoho ka mor'a-matla. Fuse e fana katšitiso ea-ea morao-raoho khaola ka potlako-maqhubu a matla a maholo, ho thibela ho senyeha ha transfoma. Hangata e kenyelletsa asesupo sa pono(mohl. Lintlha tsa fuse li hokahanngoa le bokhoni ba transformer le boemo bo khuts'oane ba sistimi-ho netefatsa ts'ebetso e ikhethileng e nang le tšireletso e holimo, e fanang ka tharollo e bonolo le e tšepahalang ea ts'ireletso ea kantle.

"Ha ho PCB"e bolela hore yuniti e na leha ho na polychlorinated biphenyls. Li-PCB li kile tsa tloaeleha marong a dielectric le a pholileng empa joale li thibetsoe lefatšeng ka bophara ka lebaka la chefo ea tsona e feteletseng, ho phehella hoa tikoloho le ho bokellana ha lintho tse phelang. Li-transformer tsa sejoale-joale li sebelisamekhoa e meng e bolokehileng tikolohongjoalo ka PCB-liminerale oli ea mahala, li-esta tsa maiketsetso, kapa li-silicone-li-fluid tse thehilweng bakeng sa ho thiba le ho phodisa. Lebitso lena le tiisa hore sehlahisoa se latela melao e thata ea tikoloho le polokeho (mohlala, EPA/TSCA) 'me se bontša boitlamo ba ho sireletsa bophelo ba batho le tikoloho ho pholletsa le nako ea bophelo ea transformer.