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System Protection and Monitoring - Instant Video

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Summary

This 49-minute video explains the principles of protection and monitoring in a transmission and distribution system. It explains the role of protective devices, system grounds, and monitoring and control equipment. Techniques for installing or replacing ground rods, arresters, and fuse links are presented. It also describes how monitoring and control equipment is typically used in a transmission and distribution system. It covers how system grounds, arresters, and fuse cutouts protect transmission and distribution system components. Describes the basic function and features of a SCADA (Supervisory Control And Data Acquisition) system.

Training Sessions

Introduction – 5 minutes
Explains in general terms how system grounds, arresters, and fuses protect a T&D system. Briefly describes three types of monitoring and control equipment used in T&D systems.

System Grounds – 11 minutes
Describes factors that affect the resistance of earth to current flow. Describes one method for installing a ground rod. Describes how substations, distribution systems, and transmission systems are typically grounded.

Arresters – 10 minutes
Explains the principles of arrester operation. Describes the basic operation of a valve type arrester, a pellet type arrester, and an expulsion type arrester. Describes one method for replacing a damaged arrester.

Fuses and Fuse Cutouts – 9 minutes
Describes the operation of an open-type fuse cutout and a door-type fuse cutout. Describes the operation of a fuse link. Explains how fuses are rated. Describes one method for replacing a fuse link in an open-type fuse cutout.

Monitoring and Control Systems – 9 minutes
Describes the functions of a monitoring and control system. Describes some of the important features offered by most monitoring and control systems. Explains the functions of the major components in a SCADA system.

Distribution Automation and Load Management – 5 minutes
Describes the functions of a distribution automation system and a load management system. Describes some of the important features offered by most distribution automation systems and load management systems. Explains in general terms how most distribution automation systems and load management systems operate. Describes the functions of the controllers in a distribution automation system and a load management system.

Item Code: SPM-IV
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