Drum Level Control Systems Overview

This document provides an overview of drum level control systems used in process industries and utilities to maintain the correct water level in boiler drums, ensuring a constant steam supply and preventing hazards like flooding or tube failure. It details single-element, two-element, and three-element control strategies, explains the effects of pressure changes (swell and shrink), and lists suitable ABB products such as the COMMANDER 300, COMMANDER 1900, MOD 30ML, and MODCELL controllers.