Chida Chosinthira cha Transformer cha Pakati ndi Chapamwamba: Buku Lotsogolera

(Yothandizidwa ndi Deta ndi Miyezo ya Makampani)

​1. Ntchito Zazikulu ndi Udindo wa Makampani​

Switchgear imagwira ntchito ngati maziko a makina amphamvu apakati ndi okwera kwambiri (MV/HV), ikugwira ntchito zitatu zofunika kwambiri pa ma transformer:

• ​Kugawa Mphamvu: Imayendetsa magetsi kuchokera ku ma transformer kupita ku katundu kudzera m'ma feeder, mabasi, ndi zipangizo zotetezera.
• ​Chitetezo cha Zolakwa: Imalepheretsa mafunde mkati mwa ma millisecond (monga, mphamvu ya kusweka kwa mafunde afupiafupi a 31.5kA–40kA) kuti iteteze kuwonongeka kwa zida.
• ​Kudzipatula pa Chitetezo: Imaonetsetsa kuti ikusamalidwa bwino pogwiritsa ntchito makina olumikizirana ndi njira zomangira pansi.

Mwachitsanzo, makina a 12kV amafunika malo ocheperako a 125mm (otetezedwa ndi mpweya) kapena 40mm (otetezedwa ndi mpweya) kuti asagwere pansi.

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​2. Mitundu ndi Kapangidwe ka Kapangidwe​

Magulu a switchgear ndi ma key specifications:

​Zigawo Zofunika Kwambiri:

• ​Chotsukira Ma Circuit Vacuum (VCB)​: Imapereka ntchito zamakina zoposa 10,000 zokhala ndi kukana kukhudzana ndi
• ​Mabasi: Ma conductor a mkuwa kapena aluminiyamu (ogawanika m'magawo ≥100×10mm²) okhala ndi kutentha kokhazikika mpaka 40kA/4s.
• ​Chitetezo ChotumiziraZipangizo zovomerezeka ndi IEC 61850 zopezera mphamvu yamagetsi yochulukirapo, yosiyana, komanso yowunikira kuwala kwa arc.

​3. Mafotokozedwe aukadaulo ndi Miyezo​

• ​Mavoti a Voltage:

• MV: 3.3kV–36kV (yofala kwambiri m'ma gridi a mafakitale).
• Mphamvu yamagetsi: 66kV–800kV (maukonde otumizira maginito).
  • ​Magawo Oteteza Kuteteza:

• ​Zinthu Zotetezeka:

• ​Ma Interlock Asanu Oteteza: Zimaletsa mphamvu mwangozi (monga, ma switch oletsa kutsekeka kwa magetsi sangatseke pokhapokha ngati ma circuit breaker atsegulidwa).
• ​Mpumulo wa Kupanikizika: Mapanelo osaphulika (monga aluminiyamu ya 0.8mm) mpweya wotulutsa mpweya pa ≤50kPa kuti ateteze ogwiritsa ntchito.

​4. Malangizo Osankha ndi Kusamalira​

• ​Kusankha Koyendetsedwa ndi Mapulogalamu:

• ​Malo Amakono Olakwika KwambiriGwiritsani ntchito SF6-insulated GIS kuti muwonjezere mphamvu ya dielectric.
• ​Malo OvutaSankhani malo otchingira omwe ali ndi IP54 okhala ndi zokutira zoteteza dzimbiri.
  • ​Kuyesa Kwachizolowezi:
• ​Kukaniza Kulumikizana: ≤100μΩ (yoyezedwa kudzera mu micro-ohmmeter).
• ​Mayeso a Dielectric: 1.2/50μs mphezi (± 10% kulolerana).
• ​Kulimba kwa Makina: Ntchito zoposa 5,000 za ma circuit breakers.

​5. Zochitika Zatsopano​

1. ​Kusintha kwa digito:

• Smart switchgear imagwirizanitsa masensa a IoT kuti aziwunikira kutentha, kugwedezeka, komanso kuwunikira pang'ono za kutulutsa kwamagetsi.
• Chitsanzo: Pulatifomu ya Schneider Electric ya EcoStruxure imalola kukonza zinthu moganizira zomwe zikuchitika kudzera mu cloud analytics.
  2. ​Kukhazikika:
• Njira zina zopanda SF6 (monga vacuum kapena solid-insulation) zimachepetsa mpweya woipa wowononga chilengedwe ndi 95%.
  3. ​Kapangidwe ka Modular:
• Makabati olumikizira ndi kusewera (monga ABB's UniGear ZS1) amafupikitsa nthawi yoyika ndi 40%.

​Zolemba​

• IEC 62271-200:Chosinthira chachitsulo chotetezedwa ndi mpweya
• IEEE C37.2:Muyezo wa manambala a ntchito ya chipangizo chamagetsi
• Gulu la Dziko Lonse ku UK:Njira zabwino zosamalira zida zosinthira magetsi