MAINTENANCE OF LV SWITCHGEAR SECTOR / ENGINEERING TECHNICAL & CERTIFIED TRAINING COURSE
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1 SECTOR / ENGINEERING TECHNICAL & CERTIFIED TRAINING COURSE Switchgear is a general term used for any devices that breaks and makes the electrical circuit and covers right from a typical piano switch used in household wiring to highly complicated circuit breakers in substations. However they are broadly divided into two categories based on the application voltage into low voltage and high voltage. Low voltage switchgears consist of various components such as contactors, fuses, push buttons to name a few. An electrical engineer involved in selection, erection, commissioning and maintenance and repairs of these components can not underestimate importance of their thorough understanding.
2 WHAT ARE THE GOALS? At the end of this training course, you will learn to: Understand Electrical Power Distribution Systems Equipment s and Components. Have knowledge of Sub Station Equipments, switchgears including transformers, isolators, circuit breakers etc. Understand substation and electrical power system equipments and components. Have knowledge on low voltage (LV) switchgears Learn specifications, construction, installation, testing, commissioning of LV switchgears. Learn proper maintenance and performance assessment of LV switchgears. WHO IS THE COURSE FOR? This training course is suitable to a wide range of professionals but will greatly benefit: This course is directed at anyone who would like to expand their knowledge of preventive maintenance of switchgear and protection of electrical networks.
3 THE COURSE CONTENT DAY ONE: ELECTRICAL POWER SYSTEM Basics of Electrical Engineering Electrical Sub Station Electrical Network Functions of a Substation Industrial switchgears uses, Auto-reclosers, Automatic sectionalizer Circuit breakers, Isolator & Load switches Relays, Current transformers and Voltage transformers DAY TWO: LOW VOLTAGE SWITCHGEARS Switchgear Locations, Housing Types, Classification Functions Low Voltage Switchgears Circuit Breaker Theory Arc voltage, Restriking voltage Recovery voltage, Rate of rise of restriking voltage. Fault Clearing Process Sequence of fault clearing process Duties of circuit breakers Essential requirement of circuit breaker Types of CB & Materials used in CB Specifications of CB
4 DAY THREE: SWITCHGEAR TESTS & CHECKS Isolators & Types of isolators Switchgear Panels Tests Type tests Routine tests Acceptance tests Failure of circuit breakers Preventive Measures for Avoiding CB Failures Stringent quality checks during manufacturing Condition monitoring checks during service Breaker operation checks Measurement/ testing of circuit breakers DAY FOUR: INSPECTION & MAINTENANCE OF SWITCHGEARS Circuit breaker inspection, maintenance and services Inspection General inspection technical procedure Daily inspection of circuit breakers Monthly inspection of circuit breakers Annual inspection of circuit breakers Disassembly Cleaning Tightening Lubrication DAY FIVE: SWITCHGEAR UP KEEPING & TROUBLESHOOTING Operating duties Potential problems with switchgear Modifications Operational issues Precautions for reducing the risk of switchgear Fault clearance Failure Modes Condition-based maintenance Frequency of maintenance Diagnostic
5 DAY ONE: INTRODUCTION OF WORK TASK CONCEPTS THANK YOU BOOSTUAE.COM SECTOR / ENGINEERING TECHNICAL & CERTIFIED TRAINING COURSE
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