The cooling method of nature oil circulation is not only widely used in small-middle type power transformer, but also used in large type power transformer with low load and low ambient temperature.
Puts that the computation formula of IPLV for China should be constructed according to the temperature of cooling water is invariable or variable under part load.
提出应该按部分负荷时冷却水进水温度变与不变两种情况分别建立中国的IPLV计算公式。
3
Refrigeration, do not set too low temperature, generally set at 26-27 degree air conditioning coolingload can be reduced by more than 8%.