학술논문

Modeling and control of an electric arc furnace
Document Type
Conference
Source
Proceedings of the 2003 American Control Conference, 2003. American control conference American Control Conference, 2003. Proceedings of the 2003. 4:3060-3064 vol.4 2003
Subject
Robotics and Control Systems
Computing and Processing
Components, Circuits, Devices and Systems
Furnaces
Electrodes
Circuits
Slag
Surges
Power control
Voltage
Equations
Smelting
Steel
Language
ISSN
0743-1619
Abstract
Electric arc furnace (EAFs) are widely used in steelmaking and in smelting of nonferrous metals. The EAF is the central process of the so-called mini-mills, which produce steel mainly from scrap. The power level is directly related to production throughput, so it is important to control the EAF at the highest possible average power with a low variance to avoid breaker trips under current surge conditions. For efficient power control, good dynamic models EAFs are required. This paper solves the electrical circuit of an EAF with a floating neutral, proposes a dynamic model for the EAF, and investigates simple proportional electrode current and power control.