Medium-Voltage Adjustable-Speed Drives Upgrade: Delivering Operational Benefits for a Steel Mill Runout Table Cooling System

摘要

A case study involving the installation of five new adjustable-speed drives (ASDs) to regulate flow for a high-volume water spray system installed on a steel mill runout table (ROT) is presented in this article. This energy project retrofitted an existing system at an integrated steel mill in the central United States. Best practices and lessons learned will be reviewed, and outline processes justifying the new technology upgrades, mill alignment with the serving electric utility to leverage the available energy credits, equipment selection and installation, and metrics demonstrating that the project delivered the desired payback will be examined.