The power sector has increasingly high requirements for transformer oil. Some vacuum oil filters have low oil filtering efficiency, limited dehydration, degassing and impurity removal capacity, and their oil filtering indicators are not ideal, especially acetylene=0 However, some manufacturers did not emphasize the clause of acetylene=0 after oil filtering in the technical requirements or bidding documents when purchasing oil filters, nor did they insist on the technical requirement of unconditional return if this clause is not met. As a result, the oil filter purchased with hundreds of thousands or even millions of yuan cannot guarantee acetylene=0 If it fails to meet the technical requirements, it cannot be returned, so that some manufacturers have 5 or 6 oil filters, but they cannot fully meet the requirements, making acetylene zero.

In fact, it is very simple. When the manufacturer purchases the oil filter, as long as the performance index is adhered to and acetylene=0 is the necessary clause, it can change from passive to active to avoid the embarrassing situation of "failure to meet the technical requirements and no return".

Chongqing Qianguang Electromechanical Research Institute

Luo Gushi 13708345970

Tel.: 023-68800149 68811964 Fax: 68578963