摘  要：通过对石化行业的工艺分析结合高压变频器在石化行业的应用案例，对变频器在石化行业的前景进行分析，同时证明石化行业变频改造的可行性及潜在的巨大市场。

关键词：变频调速；石化；泵类负载；改造；节能

Abstract: Based on the analysis of the petrochemical industry and the application case of the high-voltage inverter in the petrochemical industry, the prospect of the inverter in the petrochemical industry is analyzed, and the feasibility and potentially huge market of the petrochemical industry are proved.

Key words: Frequency control; Petrochemical; Pump load; Tran