Preventive Maintenance of Electrical Equipment

ICTD International Centre for Training and Development

How long?

  • 5 days
  • in person

ICTD International Centre for Training and Development


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Who should attend

This comprehensive five days course is designed to benefit those working in maintenance that desire to increase their practical knowledge of electrical maintenance standards and practices. The course is open to industrial, commercial and institutional electrical engineering and maintenance professionals, plant electricians, electrical maintenance supervisors, and field and plant personnel.

About the course

Preventive maintenance is the key to reducing accidents, saving lives, and avoiding costly breakdowns and work stoppages. This latest Edition has been updated to reflect the latest industry developments and safety strategies. Our NFPA 70b Electrical Maintenance training course is your best guide for creating and administering an effective Electrical Preventive Maintenance (EPM) program.

A well-administered EPM program is the surest way to reduce accidents, save lives, and minimize costly breakdowns and unplanned shutdowns of production equipment Learn about preventive maintenance for industrial and commercial electrical systems and equipment, and learn test procedures you can implement at once.

Our "NFPA 70b - Recommended Practices for Electrical Equipment Maintenance" training course is an in-depth examination of the NFPA 70b, "Recommended Practices for Electrical Equipment Maintenance". These recommended practices apply to preventive maintenance for electrical, electronic, and communication systems and equipment installed in industrial, commercial and institutional power systems.

This course is designed to alert electrical maintenance personnel in utility, industrial, commercial and institutional facilities to the latest North American Electrical Maintenance and Testing Specifications. These specifications cover the suggested field tests and inspections that are available to assess the suitability for continued service and reliability of electrical power distribution equipment and systems. The purpose of these specifications is to assure that tested electrical equipment and systems are operational and within applicable standards and manufacturer's tolerances and that the equipment and systems are suitable for continued service. This program will also deal with the important subject of troubleshooting electrical systems and choosing the proper preventive maintenance testing equipment and procedures.

Course Objectives

Upon completion of this course, the participant should be able to:

  • Learn How to design and implement a cost-effective electrical maintenance program.
  • Learn the essential procedures for the safe operation, repair, testing, and maintenance of major power equipment.
  • Students will learn how to establish what electrical maintenance work can be done in-house or contracted out.

Course Outline

Part 1: Why Establish an Electrical Preventive Maintenance (EPM) Program Value and Benefits of a Properly Administered EPM Program EPM and Energy Conservation

Part 2: What is a EPM and what are its benefits?

  • Planning an EPM Program
  • Personnel Safety
  • Equipment Loss
  • Production Economics
  • Main Parts of an EPM Program
  • Programmed Inspections
  • Recordkeeping
  • Training for Safety and Technical Skills

Part 3: Planning and developing a program

  • Survey of Electrical Installations
  • Data Collection
  • Single Line Diagrams and Data
  • Electrical Equipment Installation Change
  • Lighting System Diagrams
  • Ventilation
  • HVAC
  • Control and Monitoring
  • Emergency Procedures
  • Test and Maintenance Equipment
  • Identification of Critical Equipment
  • Establishment of a Systematic Program
  • Inspection Frequency
  • Forms, Planning, Records

Part 4: Personal Safety

  • Qualification, Tools, Equipment, Training, Arc Flash, NFPA 70e, PPE

Part 5: Fundamentals of Electrical Equipment Maintenance

  • Scheduling, cleaning, environmental concerns, equipment additions and retrofits

Part 6: Substations and Switchgear Assemblies

  • Insulators
  • Conductors
  • Air-Disconnecting Switches
  • Grounding Equipment
  • Enclosures
  • Switchgear Assemblies
  • Air Circuit Breakers
  • Arc Interrupters
  • Oil Circuit Breakers
  • Interrupter Switches
  • Gas-Insulated Substations and Gas-Insulated Equipment
  • Maintenance and Repair of the GIS and GIE
  • Surge Arresters
  • Instrument Transformers and Auxiliary Transformers
  • Protective Relays, Meters, and Instruments
  • Ground-Fault Indicators
  • Network Protectors

Part 7: Power and Distribution Transformers

  • Liquid-Filled Transformers
  • Regular Inspections
  • Current and Voltage Readings
  • Temperature Readings
  • Liquid-Level Indicator and Pressure/Vacuum Gauges
  • Special Inspections and Repairs
  • Liquid Maintenance and Analysis
  • Fault-Gas Analysis
  • Dissolved-Gas-in-Oil Analysis
  • Dry-Type Transformers
  • Regular Inspections
  • Current and Voltage Readings
  • Temperature Readings

Part 8: Power Cables

  • Visual Inspection
  • Aerial Installations
  • Raceway Installations
  • Cable Testing

Part 9: Motor Control Equipment

  • Motor Control Preventive Maintenance Guide
  • Components and Maintenance of Motor Controls
  • Enclosures
  • Bus Bar, Wiring, and Terminal Connections
  • Disconnects
  • Molded Case Breakers
  • Fuses
  • Contactors
  • Motor Overload Relays — Thermal Types
  • Pilot and Miscellaneous Control
  • Devices
  • Mechanical Interlocks

Part 10: Electronic Equipment

  • Care and special precautions

Part 11: Molded-case Circuit Breakers

  • Types of Molded-Case Circuit Breakers
  • Phase-Fault Current Conditions
  • Ground-Fault Tripping
  • Special-Purpose Breakers
  • Inspection and Cleaning
  • Loose Connections
  • Mechanical Mechanism Exercise

Part 12: Ground Fault Protection Personal and Equipment Protection

Part 13: Fuses

  • Fuses Rated 1000 Volts or Less
  • Fuses Rated over 1000 Volts
  • Installing and Removing Fuses
  • Inspection, Cleaning and Servicing
  • Replacement

Part 14: Rotating Equipment

  • Maintenance, cleaning, Testing
  • Stator and Rotor Windings
  • Brushes, Collector Rings, and Commutators
  • Bearings and Lubrication

Part 15: Lighting

  • Cleaning, Relamping, Disposal

Part 16: Wiring Devices and Portable Tools

  • Heavy-Duty Industrial-Type Plugs, Cord Connectors, and Receptacles Periodic Inspection of Crucial Wear Points Employee Training Cord and Attachment Plug Care

Part 17: Testing and Test methods

  • Acceptance Tests and Maintenance Tests
  • Frequency of Tests
  • Special Precautions and Safety
  • Qualifications of Test Operators
  • Insulation Testing
  • Dielectric Absorption
  • Protective Device Testing
  • Circuit Breaker Tests
  • Transformer Turns-Ratio and Polarity Tests
  • Impedance Testing of Equipment Grounding Conductor
  • Infrared Inspection
  • Meggaring, Continuity, Hi-Pot testing of equipment

Part 18: Uninterruptible Power Supply (UPS) Systems

  • UPS System Maintenance Procedures — General
  • System Tests, Routine Maintenance, Special Tests

Part 19: Power Quality

  • Harmonics
  • Transients (Surges)
  • Voltage Sags and Swells
  • Long-Duration Undervoltages and
  • Sustained Voltage Interruptions
  • Unbalanced Voltages and Single Phasing
  • Symptoms — Grounding
  • Voltage Fluctuations and Flicker

Part 20: Grounding

  • Symptoms and Causes of Inadequate Grounding
  • Grounding System Inspection, Testing, and Monitoring
  • Solutions to Inadequate Grounding

Part 21: Supervisory Control and Data Acquisition (SCADA)

  • Concurrent Maintenance
  • Preventive Maintenance
  • Testing
  • Reliability-Centered Maintenance (RCM)

Part 22: EPM from Commissioning (Acceptance Testing) Through Maintenance

  • Commissioning Planning Stages
  • Submit Functional Performance Tests (FPTs)
  • Costs of Commissioning, New Construction
  • Suggestions for Inclusion in a Walk-Through Inspection Checklist

Part 23: Single line Diagrams and Symbols

Part 24: Forms to Document all Tests and Inspections

  • Battery inspections
  • Breaker Inspections
  • Test Results
  • Transformer tests, inspections,
  • Ground System Tests
  • Long-Term Maintenance Guidelines

Course Methodology

A variety of methodologies will be used during the course that includes:

  • (30%) Based on Case Studies
  • (30%) Techniques
  • (30%) Role Play
  • (10%) Concepts
  • Pre-test and Post-test
  • Variety of Learning Methods
  • Lectures
  • Case Studies and Self Questionaires
  • Group Work
  • Discussion
  • Presentation

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Read more about Digital Transformation

When it comes to imposing digital frameworks and technologies, whether you’re trying to optimize particular units or the entire organization, you need to minimize the collateral damage in order to have a greater effect. However, it's not always that ...

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