High Voltage Operational Safety for Engineers and Technicians

What are the Goals?

At the end of this High Voltage Operational Safety for Engineers & Technicians training course, you will learn to:

• Understand the causes of arc flashes and severity of electrical accidents
• Explain the necessity merits of eco efficient gas and vacuum high voltage circuit breakers
• Learn the significance an effective earthing or grounding system
• Determine how to isolate energy isolation with lock out and tag out
• Interpret the testing and measuring instrument results when carrying out maintenance programmes

Who is this Training Course for?

The technicians and maintenance staff will be able to comprehend the importance of high voltage operational safety. This will enable them to exercise care and alertness during maintenance work.

This High Voltage Operational Safety for Engineers & Technicians training course is suitable to a wide range of professionals but will greatly benefit: 

• Electrical Engineers
• Maintenance Technicians
• Management Professionals
• Project Engineers
• Safety Officers

Daily Agenda

Day One: Hazards of Electricity and Protective Devices

•  Importance of operational plant safety
• Electrical safety, hazards, and risks control measures
• Arc flash hazards related to NFPA 70E, IEEE 1584 2018
• Consequences of arc faults
• Categories and types of LV and HV circuit breakers
• Eco efficient gas circuit breakers
• Eco efficient vacuum circuit breakers
• Digital numerical protection relays

Day Two: Arc Flash Hazards Analysis and Mitigation Techniques 

• Overview of arc blast and arc flash
• Significance of arc flash warning labels and hazard risk categories
• Incident energy and its impact including calculations
• Arc flash protection boundaries and the Lee Method
• Limits of approach
• Arc flash risk assessment and strategies
• Arc flash protection relays
• Arc flash hazards analysis software

Day Three: Earthing Systems Safety and Risk Assessment 

• Earthing requirements for electrical safety
• Earthing system design for an electrical installation
• Merits of the TT and TN earthing systems
• Grounded and ungrounded earthing systems
• Effects of high and low resistance earthing
• Earth fault relays and relevant instrumentation
• Restrictive and sensitive earth faults
• Surge and lightning protection

  Day Four: Stored Energy Isolation with Lock Out and Tag Out (LOTO) 

• Types of stored energy characteristics
• Electrical isolation techniques
• Isolation verification and techniques
• Lock out and tag out OSHA procedures
• Removal of locks and tags
• Stored energy during maintenance
• Dangers of stored energy
• Electrical isolation certificates

Day Five: Safety related Maintenance Requirements and Instrumentation 

• Importance of maintenance in high voltage electrical installation
• Maintenance Strategies
• Condition based maintenance related to high voltage installation
• Thermography for high voltage installation assets
• Partial discharge monitoring for high voltage assets
• State-of-art testing instruments for power transformers