变电站主变压器余热利用型式分析

Type Analysis of Waste Heat Utilization of Main Trans-former in Substation

随着变电站节能降耗工作的推进,主变压器的余热可以考虑再利用。对可能适于变电站主变余热利用需求的几种主变冷却方式的工作原理和优缺点分析;设计一种主变余热制热系统,并对其经济性进行分析。对主变余热利用的型式进行展望,结合经济性分析,提出适于采用主变余热利用的工程类型。

With the promotion of energy saving and consumption reduction in substation,the waste heat of main transformer can be considered for reuse.This paper analyzes the working principle,advantages and disadvantages of several main transformer cooling modes that may be suitable for the demand of waste heat utilization of main transformer in substation;A kind of main transformer waste heat heating system is designed and its economy is analyzed;Finally,the types of waste heat utilization of main trans-former are prospected.Combined with the economic analysis,the following engineering types suitable for waste heat utilization of main transformer are proposed.