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Electrical Faults:
Causes, Analysis, Detection & Remedies

Electrical Power Network Analysis

Why Choose this Online Training Course?

This Electrical Faults online training course teaches practical electrical troubleshooting and is concerned with the calculation of fault currents in electrical power systems. Short-circuit currents are associated with large amounts of very destructive energy and therefore calculations must be made to ensure that the short-circuit ratings of equipment are adequate to cater for these high currents. Accurate assessment of these currents is also essential for determining the settings of the system protection devices.

This Electrical Faults online training course includes the preparation of the system for analysis, by manual calculation and by the use of computer analysis. Participants will be introduced to the various fault analysis software programs. Also, all protection device and how to configure the multifunction relay by using relay simulation program will be included.

This AZTech online training course will feature:

  • Identification of causes of electrical faults
  • Understanding three phase short circuit currents
  • Recognition of unsymmetrical faults in transformers
  • Partial discharge phenomena and how to apply the required analysis
  • Representation of unsymmetrical faults in a power system
  • Manual and software assisted of fault currents
  • Simulation for protection relays configuration

What are the Goals?

By the end of this AZTech online training course, participants will be able to:

  • Understand the various types of fault currents
  • Determine the causes of overcurrent and short circuit current
  • Explain differences between power system faults
  • Analyse the common faults in a power system
  • Configure multifunction relays to protect the power system
  • Know protection simulation
  • Know the partial discharge analysis and detection as case study

Who is this Online Training Course for?

This AZTech online training course will benefit all levels of personnel in an electrical installation. It will enable them to identify the causes and apply analysis of electrical faults in a power system.

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

  • Electricians
  • Design electrical engineers
  • Electrical supervisors
  • Plant electricians
  • Operations & maintenance engineers, supervisors & technicians
  • Maintenance technicians

How will this Online Training Course be Presented?

This course will utilise a variety of proven online adult learning techniques to ensure maximum understanding, comprehension, and retention of the information presented. This includes stimulating presentations supporting each of the topics together with interactive trainer lead sessions of discussion. This course will be taught online using a suitable platform.

The Course Content

Day One: Introduction to Fault Analysis

  • Source of fault current in an electrical installation
  • Common fault statistics of electrical equipment
  • Short-circuit rating of equipment
  • Selecting the correct switchgear rating for fault duties
  • Overview of per-unit system and one-line diagrams
  • Sources of impedance data for all items of plant

Day Two: Power System Faults

  • Power system faults
  • Faults calculation and using software for verification
  • Partial discharge analysis
  • Cables subjected to short-circuit currents
  • Surge and lighting faults
  • Grounding system to increase power system reliabilities

Day Three: Power System Faults Interpretation of Sinusoidal Wave Forms

  • Interpretation of electrical faults in relation with the sinewave.
  • Network sequence and consequences
  • Linear loads and nonlinear loads
  • Harmonic analysis
  • K factor in transformers
  • Power factor correction  

Day Four: Time Current Curves, LSIG and Trip Units for Electrical Faults

  • High set, low set, and inverse -timed elements
  • Concepts of long time, short time and instantaneous operations
  • Electronic trip units associated to electrical faults
  • Co-ordination with other devices and fuses
  • Auto-reclosing of feeder circuit breakers

Day Five: Electrical Faults Indicated by Numerical Relays

  • Introduction to numerical relays
  • ANSI code for numerical relays
  • Motors faults represented by numerical relays
  • Generator faults represented by numerical relays
  • Fault current limiter
  • Wrap up session with Q & A

The Course Schedule

10:30 - 11:00


Welcome, Setup, Registration (Day 1 Only)

11:00 – 12:30


First Session

12:30 – 12:45


Break (15 minutes)

12:45 – 14:15


Second Session

14:15 – 14:30


Break (15 minutes)

14:30 – 16:00


Third Session

The Certificate

  • An AZTech e-Certificate for delegates who attend and complete the online training course


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All rights reserved. Any unauthorized copying, distribution, use, dissemination, downloading, storing (in any medium), transmission, reproduction or reliance in whole or any part of this course outline is prohibited and will constitute an infringement of copyright.

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