Control Equipment

Introduction to Control Equipment Explain how an operator can control the components of a coal handling system. Summarize the purpose of the control equipment in a coal handling system. Describe three different types of control equipment. Name several types of indicators and controls commonly found on a typical control panel. Controlling Coal Flow Identify different types of coal handling components and describe how they help move coal through the system. Identify and describe different types of controls used to operate coal handling components and explain how these controls are used to control the flow of coal. Explain how controls operate motor controllers to turn motors on and off. Monitoring Coal Handling Operations Describe how annunciators and computer graphics are used to indicate problems in a coal handling system. Explain how an ammeter is used to monitor operating conditions in a coal handling system. System Protection Identify several types of sensing devices and describe how they can be used with indicating devices to monitor and protect a coal handling system. Describe the operation of an interlock system. Describe a typical manual control system and explain the procedures for starting it up and shutting it down. Describe a typical semi-automatic control system and explain the procedures for starting it up and shutting it down. Describe a typical automatic control system and explain the procedures for starting it up and shutting it down. Troubleshooting Summarize the basic steps that can be taken when troubleshooting a coal handling system. Determine how to troubleshoot a coal handling system in which the system is running but a control panel indication is not normal.