Design Modification and Fault Analysis of Siemens S120 Frequency Converter in Blast Furnace Probe System
ZHANG Jinzhong
ZHANG Wenzheng
SUN Depeng
Abstract：This article studies the renovation plan of Siemens SINAMICS S120 frequency converter in the blast furnace probing system to improve system stability and production efficiency.The research process revolves around the selection requirements of hardware S120 frequency converters,motors,encoders,PLCs and other equipment,as well as the design of process control schemes such as probing rulers,floating rulers,and lifting rulers,and the analysis of probing ruler faults.It synchronously integrates control parameter optimization strategies and electromagnetic anti-interference special project design.Through full process technical optimization,it effectively solves the defects of traditional DC systems,significantly improves the stability and continuity of blast furnace production operation.
Keywords：frequency converterencoderblast furnace probecontrol parameter
Publication Date：2025-08-20
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：4( 61-64 )