Estimation method for radiator efficiency of oil-immersed power transformer
A technology for power transformers and transformers, applied in transformer/inductor cooling, instruments, electrical digital data processing, etc., can solve problems such as insufficient efficiency of transformer radiators
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[0032] Such as figure 1 As shown, the steps of the method for evaluating the efficiency of the oil-immersed power transformer radiator in this embodiment include:
[0033] 1) Calculate the average load loss of the transformer to be evaluated in the specified time period In this embodiment, the time period from time 0 to time r is used as the designated time period.
[0034] 2) The average load loss Add the nameplate no-load loss p of the transformer to be evaluated 0 , to get the average total loss power of the transformer to be evaluated in the specified time period (which is );
[0035] 3) Calculate the average residual power of the transformer to be evaluated in the specified time period
[0036] 4) Assuming the radiator efficiency η of the transformer to be evaluated, calculate the average cooling power of the radiator of the transformer to be evaluated in a specified time period according to the assumed radiator efficiency η
[0037] 5) According to the ave...
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