Circuit Breakers and Switchgears

Start Date: 1 Dec 2019
End Date: 5 Dec 2019
Duration: 5
Country: Sharm Alshaikh / Egypt
Category: Engineering and Technical Programs

Course Description

Circuit breakers and switchgear are necessary system items for the electrical control of electrical plant. The safe use of these devices and associated equipment requires correct initial selection, operation and maintenance. It is also necessary to have a detailed understanding of how these devices should be installed, the local substation and system ratings, and how the various breakers operate, in order to enable accurate troubleshooting and subsequent repair. The course will provide participants with a solid understanding of Circuit Breaker and switchgear theory and standards. The course will also make participants aware of issues concerning the proper application, installation and maintenance of circuit breaker equipment

Course Objectives

·         Understanding fundamentals of operating switchgear and circuit breakers

·         Understand the operation of switchgear components

·         Being able to select appropriate type and rating of circuit breakers and switchgear

·         Learning the troubleshooting procedures for circuit breakers and associated switchgear

·         Being familiar with the use of test equipment

Who Should Attend?

·         Maintenance supervisors

·         Novice engineers 

·         Plant engineers

·         Electricians

·         Plant mechanics

·         Service technicians

·         Contractors

·         Energy auditors

·         Layout professionals

Program Schedule


·         Switchgear, theory and applications

·         Switchgear and circuit breaker control drawings

·         Switchgear ratings

·         Short circuit current estimation


·         Low-voltage (LV) and Medium-voltage (MV)  circuit breakers overview

·         The purpose of LV and MV circuit breakers

·         Applications of LV and MV circuit breakers

·         Modern LV and MV trip units


·         LV Electrical Circuit Breaker (ECB) construction  and adjustments

·         LV ECB operations and control

·         LV ECB maintenance

·         LV ECB troubleshooting and repair

·         LV ECB testing and inspections


·         MV ECB construction  and adjustments

·         MV ECB operations and control

·         MV ECB maintenance

·         MV ECB troubleshooting and repair

·         MV ECB testing and inspections


·         General circuit breaker maintenance

·         Maintenance intervals

·         Grounding

·         Principles of grounding

·         Grounding procedures

·         Ground and test device

·         Ground fault protection

·         Switchgear maintenance

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