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Power Transformer 300/150/150MVA cooling type. 3

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slavag

slavag

Electrical
Joined
May 15, 2007
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2,044
Location
IL
Dear Colleagues.
What is preferable cooling type of Power Transformer 300/150/150MVA 161/33/33kV? It will be Step-Up transformer. Generation type : PV and BESS.
ONAN/ONAF
ONAN/ONAF/OFAF
ONAN/ONAF/ODAF

Thanks a lot in advance!
 
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The ideal arrangement is ONAN/ ONAF . In case you have any restrictions in foot print, go for ODAF cooled compact coolers.
 
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Thanks a lot!!!
 
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In case of ONAN/ONAF we use 0.6..0.7/1 Sonan / Sonaf.
What is recommendation for ONAN/ODAF?
 
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It is ODAF only without any ONAN. Each cooler of 20-25 % rating will be provided with a standby spare cooler.
 
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Dear PRC
Thanks a lor for your help!
 
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