摘要
针对石油钻机改造选用液力调速还是变频调速,从技术和经济两方面加以分析比较,并得出结论。
From the comparison in technology and economy aspects,the paper makes conclusion on the choice of hydraulic speed control and variable speed control used in oil drilling machine's reform.
出处
《内燃机车》
2013年第1期37-39,0,共3页
Diesel Locomotives
关键词
石油钻机
液力调速
变频调速
技术性能
经济效益
oil drilling machine
hydraulic speed control
variable speed control
technology performance
economy benefit