Soft start system for large blast furnace blower

• Main Authors: LIU CHANGTAO, LIU LIFENG, SUN QIMENG, SHI HAIXIAO, HAN WEI, XU TONGYI, YIN HUIMING
• Format: Patent
• Language: Chinese; English
• Published: 28.05.2024
• Subjects: BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The utility model discloses a blast furnace large-scale blower soft start system which comprises a first frequency conversion starting device, a second frequency conversion starting device, a first control cabinet and four groups of blower control systems, and the first control cabinet comprises a cable cabinet, a plurality of switching cabinets and four frequency conversion outgoing line cabinets. Wherein the plurality of switching cabinets comprise a first frequency conversion incoming line switching cabinet, a first frequency conversion outgoing line switching cabinet, a second frequency conversion incoming line switching cabinet and a second frequency conversion outgoing line switching cabinet; the input end and the output end of the first frequency conversion starting device are respectively connected with the first frequency conversion inlet wire switching cabinet and the first frequency conversion outlet wire switching cabinet; the input end and the output end of the second frequency conversion startin