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Transformer Question No.28 - Oil pressure in transformer
Can somebody share the  experince of a 100 MVA 220 kV class transforemr working at a continuous  oil pressure of 4 kg.
Author : R K Mohapatra - From: India
Wed, September 2nd, 2009 - 16:34
Please explain, what do you want to know? 
Author : Hamid - From: Iran
Wed, October 7th, 2009 - 15:51
A very specific requirement calls for pacement of trnasfoirmer at underground while the cooling equipment is at a height of 35 meters above the trnasformer . So , the complete tank and acessories like PRV  and OLTC are at a pressure equivalent to 35 meter height of  oil column .While we are going ahead with the design of the transformer we expect some problem with the PRV and OLTC ( we prefer vaccum type OLTC )

Author : R K Mohapatra - From: Indian
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