Maintenance & Troubleshooting of Explosion Proof Equipment Electrical And Mechanical EX Certification

Electrical And Mechanical EX Certification

COURSE OBJECTIVES

Upon successful completion of this Learning Outcome Guide, the student will be able to understand the following modules:

  • Basic inspection and maintenance of electrical equipment installed in hazardous area
  • Hazardous area classification
  • Maintenance & troubleshooting of explosion proof equipment
  • Preparation and Installation of Ex ‘d’ ‘e’ ‘n’ and ‘p’ Systems
  • Inspection and Maintenance of Ex ‘d’ ‘e’ ‘n’ and ‘p’ Systems
  • Preparation and Installation of Ex ‘i’ Systems
  • Inspection and Maintenance of Ex ‘i’ Systems

Target Audience

The technicians and maintenance staff will be able to comprehend the construction, operations, function of major electrical power distribution system . This will enable them to carry out effective maintenance, installation and selection activities.

This training course is suitable to a wide range of professionals but will greatly benefit:

Project Engineers

Electrical  Engineers

Electrical  Supervisors

Maintenance Technicians

Managers in-charge of Instrument  Installations

Course Duration

5 days from 08:00 AM to 02:00 PM including regular breaks

Training Methodology:

  • 40  % Lectures
  • 30 % In-Class exercise works and Practical Sessions
  • Practical Class Examples
  • 30 % Field Cases Video/Audio

Course Related Standards

  • IEC
  • ATEX
  • ANSI/IEEE

National Electrical Manufacturers Association (NEMA

Course outline

Upon successful completion of this Learning Outcome Guide, the student will be able to understand the following modules:

Day # 1

  • PRE-TEST
    • Introduction to hazardous area classification
    • Basic Understanding Of Explosive Atmospheres:
    • Gases
    • Vapors
    • Overview of Bad History of wrong selection, maintenance and inspection of equipment installation on Hazardous area classification. 
    • General view Properties Of Flammable Material
    • Oil and gas Ignition Sources
    • Heat
    • Electrical
    • Mechanical
    • Gases Flashpoint
    • Auto-ignition Temperature AIT IEC 60079-20-1:2010
    • The Relationship Between Flashpoint And AIT
    • Flammable limits
    • Flammable Limits Of Common Gases IEC 60079-20-1:2010
    • Difference between Detonation & Explosion & Deflagration

Day # 2

  • Overview of Selection of electrical equipment as per hazardous area classification
    • Basic of Area classification according to The IEC 60079-10
    • Overview of Zone Classifications According to ATEX
    • Gas/ Vapour Zones According To ‘Grade Of Release’
    • Basic of Standard Codes of Hazard Area Drawing
    • Overview of Typical Zoning
    • Why Area Classification?
    • Equipment Protection Level (EPL)
    • EPL and the ATEX Category Explained
    • Equipment Certification Code
    • Certified to a European standard
    • Certified for hazardous areas
    • Equipment Concept of Protection
    • Gas grouping
    • Temperature class
    • Overview of ATEX Equipment Certification Code
    • Explosion Proof Equipment’s EX d
    • Increased Safety Exe
    • Intrinsic Safety EX ia/ib/ic
    • Ex O –Oil Filled
    • Pressurization (Eexp)
    • Encapsulation (Eexm)
    • Restricted Breathing (Eexn)
    • Gas Grouping
    • Equipment Selection by Grouping
    • Basic of Temperature class limits
    • Overview Temperature Classes and Ambient Temperatures

Day # 3

  • Adequacy check of the electrical equipment installed in the hazardous areas
    • Standards, Codes of Practice AndThe Law
    • Atex95 Manufacturer’s responsibilities
    • Atex137 Equipment user’s responsibilities
    • Hazardous Areas Equipment Marking Equipment
    • Hazardous Areas Equipment House Test
    • Hazardous Areas Equipment   Marking: ATEX(nameplate according to ATEX)
    • Basic of Hazardous Areas Equipment Certification bodies
    • Basic of Hazardous Areas Equipment Associated apparatus marking
    • Basic of Hazardous Areas Equipment Combined Certification
    • Basic of Hazardous Areas Equipment Dual Certification
    • Basic of Hazardous Areas Equipment Reduced marking for small equipment
    • Basic of Flame Proof Equipment IEC 60079-1
    • Flame Proof Equipment
    • Examples of Explosion proof equipment
    • Maintenance & troubleshooting of explosion proof equipment of EXd Applications
    • EXd Certifications
    • Types of flame path
    • obstructing the flame path
    • EX d Gland selection chart
    • Flame Proof Equipment Check list
    • Flame Proof Equipment Maintenance and inspection

Day # 4

  • Basic of Increased Safety Exe IEC 60079-7
    • Examples of Equipment type EX e
    • Maintenance & troubleshooting of explosion proof equipment EX e Applications
    • EX e Certifications
    • Characteristics Of Ex e Enclosures
    • Ingress protection (IP)
    • Checklists for Exe Equipment
    • Increased Safety Exe Equipment Check list
    • Increased Safety Exe Equipment Maintenance and inspection
    • Basic of Intrinsic Safety Exi
    • Certifications from standard for EX i
    • Maintenance & troubleshooting of explosion proof equipment EX i
    • Intrinsic Safety Exi Check list
    • Intrinsic Safety Exi Equipment Maintenance and inspection
    • Basic of Pressurization EXp
    • Pressurization EXp Applications
    • Pressurization EXp Certifications
    • Pressurization EXp  Constructional requirements
    • Maintenance & troubleshooting of explosion proof equipment Pressurization EXp  Check list
    • Pressurization EXp  Equipment Maintenance and inspection

Day # 5

  • Basic of Quartz (sand) Filling, Ex q IEC 60079-5
    • Ex q Applications
    • Ex q Certifications
    • Maintenance & troubleshooting of explosion proof equipment Ex q Check list
    • Ex q  Equipment Maintenance and inspection
    • Basic of Ex o –oil Filled IEC 60079-6
    • Basic of Encapsulation, Ex m IEC 60079-18
    • Basic of Special protection, Ex S
    • Basic of Type n/N Zone 2 protection IEC 60079-15
    • Ex N Applications
    • Maintenance & troubleshooting of explosion proof equipment Ex N
    • Characteristics Of Ex N Enclosures
    • Preparation Of Certification For Attends For Inspection, Maintenance And Testing according to standard
    • Visual inspection
    • Close inspection
    • Detailed inspection
    • Final Assessment