LV Switchgear and Power Transformer Operation Maintenance

OBJECTIVE

This training is designed for participants who want to improve their knowledge and understanding on operation and maintenance aspects of Switchgear, coordination and installation. The training is emphasized on operation and maintenance principles of each component and also electric testing technique according to approved standard.

MATERI

1. Introduction

• Voltage Convention
• Low and Medium Voltage Switchgear
• Arc Interruption

2. LV Switchgear

• System Overview
• Switchgear Components
• Instrument Transformer Safety
• Coordination

3. Circuit Breaker Ratings and Protective Relays

• Types of protective relays
• Functions of protective relays
• Protection against the failure of circuit breaker operation
• Surge protection
• Breaking and making capacities of circuit breakers
• Short circuit calculations

4. Switchgear Maintenance

• Operation of switchgear Devices
• Preventive maintenance
• Testing
• Corective maintenance

5. Circuit Breaker Overview

• Purpose/Application
• Circuit Breaker Construction
• Circuit Breaker Operation
• Circuit Breaker Control

6. Circuit Breaker Construction

• Components
• Operating Mechanism

7. Types of Circuit Breaker

• Air Circuit Breaker
• Oil Circuit Breaker
• Vacuum

8. Insulation Resistance Testing

• Factors Affecting Insulation Resistance
• Temperature Correction
• Insulation Resistance Testing
• Circuit Breaker Insulation Resistance Testing
• High Potential Testing

9. Power Factor Testing

• Advantages
• Test Procedure
• Data Interpretation

10. Instrument Transformer Testing

• Polarity Testing
• Turns Ratio Testing
• Secondary Excitation Testing

11. Circuit Breaker Maintenance and Testing

• Maintenance Fundamentals
• Initial Tests
• Routine Tests
• Adjustments
• Insulation Resistance Testing
• Contact Resistance Tests
• High Potential Tests
• Power Factor Tests
• Breaker Motion Analysis

WHO SHOULD ATTEND

Technician, engineer, operator, supervisor and everyone who work in electricity in industry to handle switchgear.

TRAINING METHOD

Presentation

Discussion

Case Study

Evaluation

FACILITIES

Training Kit

Handout

Certificate

Lunch + 2x Coffee Break

Souvenir

Pick Up Participants (Yogyakarta)