Arc Flash / Short Circuit

Arc Flash / Short Circuit

Yogyakarta | 27 February-01 March 2012 | IDR 7.000,000.00 per participant
Yogyakarta | 09-12 July 2012 | IDR 7.000,000.00 per participant
Yogyakarta | 05-08 November 2012 | IDR 7.000,000.00 per participant

 

DESCRIPTION

This Arc Flash/Short Circuit Study course is designed to provide a comprehensive and systematic understanding of arc flash hazards, prevention, electrical safety, calculation and analysis. It is also designed to provide the detailed steps required to perform an arc flash study. Participants will learn how to perform in depth calculations of incident energy, arcing current and flash protection boundaries based on the various methods of NFPA 70E and IEEE 1584. There will also be a demonstration of how to perform an Arc Flash study using a commercially available computer program.

OBJECTIVE

Upon completion of this course, the student will learn:

  • How current NFPA 70E standards apply to your facility
  • Standards for limits of approach explained
  • Safe installation and maintenance of electrical equipment
  • Arc Flash Protection and Labeling
  • Which employees must be trained
  •  Safe electrical work practices
  •  The use of personal protective equipment
  •  Test equipment and insulated tools
  •  How to establish and maintain compliance
  • Learn arc flash approach boundary calculation and more!

WHO SHOULD ATTEND

This Arc Flash/Short Circuit Study course is intended for electrical engineers, plant supervisors, inspectors, regulators, safety officers, technicians, electricians, who are involved with industrial, commercial and institutional electric power distribution systems; Plant, facility, and corporate electrical engineers dealing with one or more company distribution systems and consulting and utility engineers dealing with clients’ systems. Consultants, architect-engineers will also find this course very beneficial.

COURSE METHODE

1.      ELECTRICAL HAZARDS

  • Electric Shock, Arc Flash, Arc Blast
  • Arc flash – Thermal, Pressure,

2.      STANDARDS

  • OSHA 29 CFR – Part 1910, Subpart S
  • NFPA 70E, Standard for Electrical
  •  Safety in the Workplace, IEEE
  • Standard 1584, Guide for Arc Flash Hazard Analysis

3.      NFPA 70E REQUIREMENTS

  • Safety Related Work Practices,
  • Installation Safety Requirements,
  • Application of NFPA 70E Table130.2(C)

4.      WORK PREPARATION

  • Examples of Hazardous Tasks
  •  Energized Work Permits
  •  Selecting Personal Protective

5.      SAFE DISTANCES

  •   Flash Protection Boundary
  •  Limited Approach Boundary
  • Restricted Approach Boundary
  • Prohibited Approach Boundary

6.      NFPA TABLE METHOD

  •  Assessment Method Guide
  • NFPA 70E – Table 130.7
  • Method Limitations

7.      FAULT MAGNITUDES

  •  Type of Faults
  •   Arcing Faults vs. Bolted Faults, Effect of Current on Overcurrent Device
  • Clearing Time, 1/4 to 1/2 cycle vs.
  •   Multiple Cycle Interruptions
  • Arcing Fault Magnitudes – IEEE 1584

8.      FAULT CLEARING TIMES

  •   Typical Protective Device Curves
  •  Time-current Curve (TCC) Graphs
  •  Arcing Time Determination from TCC Graphs

9.      ENERGY CALCULATIONS

  •  IEEE 1584 calculations

10.  PERFORMING THE DETAILED ARC FLASH STUDY

  • Calculate Boundaries and Incident
  •   Energy, Warning Labels, Personnel
  • Protective Equipment Requirements

11.  SYSTEM MODELING FOR ARC FLASH STUDY

  •  Transformer, Conductor and Source
  • Impedance, High vs. Low Short
  •  Circuit Current, Defining Buses to be Modeled

12.  MODES OF OPERATION

  •  Utility Configuration, Generators and Emergency Conditions, Low
  •  Short Circuit Conditions with Long
  • Device Tripping Times, Large
  •  Motors, System Grounding

13.  WORKING DISTANCE AND BOUNDARIES

  •  Defining Working Distance,
  •  Calculations of Arc Flash Boundary
  •  @ 1.2 cal/cm2, Detailed Problem Solving

14.  CALCULATION OF INCIDENT ENERGY EXPOSURE FOR FLASH HAZARD ANALYSIS

  • Arcs in Open Air vs. in Cubic Box,
  • Maximum Bolted Fault,
  • Minimum Self Sustaining Arc,
  • Effect of Minimal Fault and High Incident Energy Exposure,
  •  Arc Gap,
  •  Examples of Performing Studies with Available Computer Programs

15.  IEEE STD. 1584 – ARC FLASH CALCULATIONS

  •  NFPA 70E Tables vs. IEEE Std.
  • 1584 Calculations, Flash Boundary
  •  based on 300 kA cycles vs. Detailed
  • Calculations Based on Actual Fault
  • Current and Device Clearing Times,
  • Problem Solving Using
  •  Spreadsheets

16.  ARC FLASH WARNING LABELS

  •  Flash Hazard Boundary, Class of
  • PPE, Shock Hazard Boundary,
  •  Approach Boundaries, Code
  •   Requirements

17.  REDUCING INCIDENT ENERGY LEVELS

  •  Design and Operating Changes,
  • Current Limiting Devices, Lower
  • Device Settings, Instantaneous
  •  Functions

18.  PRACTICAL SOLUTIONS

  • Reduce Arc Current Magnitude
  •  Reduce Arcing Time
  • Minimize Task HazardPresentation

METHODE

  • Discuss
  • Case Study
  • Evaluation
  • Simulation

INSTRUKTUR

Teguh Santoso, Ir
Teguh Santoso experienced more than 26 years in Electrical.

TIME & VENUE

  • Yogyakarta
  • 27 February-01 March 2012
  • 09-12 July 2012
  • 05-08 November 2012
  • 4 days – 08 am – 04 pm

COURSE FEE

IDR 7.000,000.00 per participant non residential

FACILITY

  • Module / Handout
  • ,Certificate
  • ,Souvenir
  • ,Training Kit

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