| At present,the quality and stability of the power supply system are the top priorities for the large-scale HSM project.This paper introduces and compares the characteristics,advantages and disadvantages of the power system of mainstream HSM project,makes the 2050 mm HSM project in shandong rizhao steel products base as an example,introduces the configuration,the innovation advantages and practical effect of the power supply and distribution system,.Introduce the design experiences.Calculate the data of the breaking capacity of the system.Analysis of harmonic control measures.Design the drive system(including the main drive system and the auxiliary drive system).Analyse the primary input and operating cost of different speed regulating systems in HSM project.This article focuses on introduces the main configuration,the innovation advantages and practical effect of the power supply and distribution system.Makes a comprehensive introduction to hot rolling production line electrical design aspects,analysis,calculation and research hot rolling production line of power supply and distribution system layout,structure,choice of breaking capacity,harmonic control measures and drive system(including the main drive and auxiliary drive system)of the design,calculation,analysis,and different speed control system of hot rolling production line application of an investment,operation cost and so on economic benefit analysis.The 2050mm hot continuous rolling project of rizhao steel quality base of shandong steel co.,ltd,is a domestic leading level of hot rolling production line.It is also the most advanced in the configuration of power supply and distribution system in China.The electrical design of this project draws on the experience of domestic advanced production lines of the same type,and further optimized,so that the power supply and distribution system of the production lines has a higher reliability,a stronger load capacity and a more stable grid environment.Based on the domestic advanced engineering design experience,this paper aims to summarize the development process and development status of the power supply system of the HSM projects,and to explore the development direction of the power supply system in large rolling mills,so as to provide some references for the design and construction of new rolling steel projects in the future. |