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AF-SP Arc Flash Protection for Electrical Safety Professionals

  • Duration:
  • Investment: US$ 299
Certificate:

Must complete all lessons

Content

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Description

Electrical safety is an important issue for those working on electrical facilities in utility networks and large industrial installations. A number of serious accidents including fatalities occur every year due to accidents involving electricity resulting in huge financial losses and wasted man-hours. Arc flashes in electrical equipment are now considered one of the major causes of electrical accidents even surpassing the well-known hazards of electric shock. Avoiding arc flash incidents and the resulting injuries is one of major challenges today facing electrical workers and requires adequate attention in the stages of system planning, design, installation, operation and maintenance.

Injuries due to arc flash can depend on many factors, one of which is the incident thermal energy on a worker exposed to a flash. Today, a considerable body of knowledge exists as a result of research efforts and is available to designers and maintenance engineers in the form of standards such as IEEE 1584 and NFPA 70E. This course will detail the basis of this approach and also about the major advances that have been made in the area of PPE made of FR fabrics and rated for different levels of thermal exposure. 

Prevention however still remains the best form of protection and switchgear manufacturers have made considerable design advances to ensure that the effect of arc flash incidents is contained within the enclosure of switchgear (often called arc flash resistant switchgear) and methods of testing such switchgear have also evolved simultaneously. Another important factor is the approach to avoid arc incidents within the switchgear by proper design and maintenance and techniques to reduce the severity of the flash should such incidents occur.
These would form the key focus areas of this course.

 

COURSE BENEFITS

  • Online electrical course
  • Lectured recordings
  • Study at your own pace
  • Includes one (1) engineering eBook
  • Highly affordable
  • Certificate of Completion

 

YOU WILL LEARN:

  • To identify the important hazards in O&M work in different parts of electrical installations
  • To identify the dangers of arc flash events to working personnel and their impact on equipment
  • The codes and standards related to dealing with arc flash danger
  • The necessary theoretical knowledge to carry out arc flash impact studies by collecting system data and computing the arc flash incident energy and flash protection boundary
  • To understand the importance of proper design of electrical equipment in avoiding arc flash incidents and ensuring safety in the event of an arc flash
  • To select appropriate Personal Protective Equipment (PPE) and Flame Resistant (FR) clothing required for avoiding serious or lethal injuries

 

WHO SHOULD COMPLETE THIS COURSE?

  • Consulting engineers
  • Utility engineers
  • Electrical design engineers
  • Electrical inspectors 
  • Electrical contractors
  • Electrical and instrumentation technicians
  • Power system protection and control engineers
  • Electricians
  • Instrumentation and control engineers
  • Purchasing engineers
  • Project engineers
  • Safety professionals

 

COURSE OUTLINE

Video 1: Fundamentals of Power Systems:

  • Configurations
  • Equipment used
  • System earthing and its role
  • Protective earthing and its role
  • Faults and types of faults

 

Video 2 & 3: Fault Current Calculation:

  • Fundamentals of short circuit calculations
  • Simplifying assumptions
  • Ohmic impedance and per unit impedance
  • Infinite bus
  • Base RVA of a system and its use in calculations

 

Video 4 & 5: Data Collection & System Modelling:

  • Data for calculation of fault currents
  • Modes of operation
  • Lower short circuit conditions with long tripping times

 

Video 6: Flame Resistant Fabrics:

  • The evolution of Flame Resistant (FR) fabrics
  • The various types of FR fabrics that are available in the marketplace
  • FR fabrics and the effects of undergarments
  • Limitations of FR fabrics
  • Garment construction standard ASTM F 1506-02a

 

Video 7 & 8: Overview of Electrical Hazards:

  • Hazards with examples: electric shock, arc flash events, working at heights, working in confined spaces, fire and explosion, mechanical hazards
  • Common electrical equipment and hazards posed

 

Video 9: Arc flash Studies - Codes and Standards:

  • OSHA 29 CFR –part 1910
  • National Electrical Code NFPA 70E - standard for electrical safety in the workplace: safety related work practices, installation safety requirements, table 130.2(C)
  • IEEE Standard 1584: guide for arc flash hazard analysis
  • Definitions used in arc flash study

 

Video 10: Arc flash study detailed procedure:

  • Flash protection approach boundary: 1.2 calories per square centimetre, 4 foot boundary, calculated boundaries based on transformer size and bolted short circuit mva
  • Detailed arc flash study: Calculation of incident energy and flash boundaries, warning labels, personal protective equipment requirements
  • Calculation of working distance and flash boundary as per IEEE Standard 1584

 

Video 11: Determine Arc flash hazard risk category:

  • Detailed examples and exercises simplified tables approach
  • Matrix table
  • Single line diagram approach
  • Short circuit study report coordination
  • Hazard risk category for metal clad switchgear 1kv and above
  • NFPA 70E table 130

 

Practical: DIY Use of an IEEE arc flash calculator

  • Use of an IEEE arc flash calculator.pdf
  • IEEE 1584 simple calculator.xls
  • NFPA70E_ARC_calculator.xls

Investment

Plan Name Investment
Unlimited Access for 2 Years: US$ 299

Instructor

Behrouz Ghorbanian

BSc, MSc, MIEAust

Behrouz has completed degree courses in Telecommunications and Electrical Engineering overseas. He also completed his studies in Electrical Utility Engineering at Curtin University in 2004. Behrouz started his career in the oil and gas industry where his role got him involved in the maintenance and repair of electronic and navigational marine equipment (VHF and SSB radios, Sat Nav, engine control panels etc). He then moved to the power industry and was involved in the design, installation, and commissioning of substations mainly for consultancies and utilities. He has also established a good reputation in teaching power system protection over his long term services lecturing at Curtin University, and also over the period he worked as a Protection Engineer in New Zealand.

Over the past years, Behrouz has been involved in many major projects across Australia (Port Hedland, Barrow Island, Tamar Valley, Karratha, and Newman for example). His most recent experience is related to cost estimation and risk assessment of major substation projects with a special focus on the secondary systems (Protection, COMMS, SCADA). He has also worked as an Engineering Manager and Senior Project Engineer on major copper mine projects overseas. Behrouz has also gained good knowledge in substation design, HV cables sizing and installation, transmission system design, earthing system design and applications, and power system protection design and applications.

Courses by this presenter

Name Level Release Date
EN-SP Electrical Power Systems for Non Engineers 31-08-2015
EK-SP Inspection, Testing and Commissioning 08-09-2015
AF-SP Arc Flash Protection for Electrical Safety Professionals 26-08-2015
TF-SP Practical Power Transformers 23-09-2015
AC-SP Practical Fundamentals HVAC 07-10-2015
PT-SP Fundamentals of Process Plant Layout and Piping Design 28-10-2015
PD-SP Practical Power Distribution 18-11-2015
ER-SP Practical Earthing (Grounding), Bonding, Lightning and Surge Protection 19-11-2015
MK-SP Best Practice Electrical Engineering in Mining, Building Industry and Utilities 15-01-2016
MKa-SP Understanding Basic Costings for Apprentices and Technicians 15-01-2016
PS-SP Practical Power System Protection 25-01-2016
EY-SP Fundamentals of Electrical Substation and Switchyard Design 28-01-2016
MEY1-SP Role and configurations of substations, system studies, switchyard technical specifications 10-02-2016
MEY2-SP Fault limiting, PFC, harmonic control, protection design 10-02-2016
MEY3-SP Earthing systems, switchyard lightning protection, control and interlocking 10-02-2016
MEY4-SP Switchyard facility planning, GIS SWGR 11-02-2016
MEY-SP Advanced Electrical Substation and Switchyard Design 11-02-2016
MEY5-SP Overview of MV metal enclosed SWGR, MV substation design & specifications 11-02-2016
DIA4-SP Advanced Industrial Automation - Plant Layout and Piping Design 14-02-2016
DIA-SP Specialized Engineering (Industrial Automation) 25-02-2016
BCIIP-SP Relay Theory and Basic System Protection 16-03-2016
SAK-SP Swiss Army Knife of Videos on Engineering Skills 08-06-2016
EN4-SP Electrical Power Systems - Transformers 01-07-2016
EN5-SP Electrical Power Systems - Earthing Systems 01-07-2016
EN6-SP Electrical Power Systems - Power Protection 01-07-2016
PS6-SP Practical Power System Protection - Feeder Protection 01-07-2016
PS8-SP Practical Power System Protection - Instrument Transformers 01-07-2016
PS18-SP Practical Power System Protection - Generator Protection 01-07-2016
PD2-SP Practical Power Distribution - Overview of Power Distribution 18-11-2015
EN3-SP Electrical Power Systems - Measurements and Applications 01-07-2016
EN12-SP Electrical Power Systems - Power Quality 01-07-2016

Requirements

General Requirements:

No formal electrical education is required as everything is examined from a fundamentals and practical point of view. As such, this is certainly not an advanced course but one focusing on the fundamentals using basic maths to ensure you quickly understand the key concepts.
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