Protection of Electrical Power Systems

Maintenance and Power Engineering

Course Info

Duration: 1 Week

Fees: 1,350

Available Dates

Fees

  • June-21-2021

    1,350

  • July-19-2021

    1,350

  • Aug-16-2021

    1,350

  • Sep-20-2021

    1,350

  • Oct-18-2021

    1,350

  • Nov-22-2021

    1,350

  • Dec-20-2021

    1,350

  • Jan-17-2022

    1,350

  • Feb-21-2022

    1,350

  • Mar-21-2022

    1,350

  • Apr-18-2022

    1,350

Course Details

Course Outline

5 days course

 

Role of Protection

 

  • Contribution in network design
  • Safety requirements
  • Principles

 

Components & Operation

 

  • LV and MV fuses – characteristics and construction
  • Time limit fuses and CT release
  • Relays, basic principles, Inst, DT, IDMT, O/C & EF

 

Introduction to Grading
 
  • Current and time grading
  • Fuses
  • IDMT
  • Definite time
  • Practical exercise
LV Networks Protection

 

  • Principles
  • Walkthrough the LV system

 

HV Networks Protection

 

  • Principles
  • Walkthrough HV network system

 

Basic Fault Calculation
Fuses

 

  • Construction and operation
  • HV and LV fuses
  • LV fuse grading
 
LV ACB Electronic Relays

 

  • Basic principles
  • Settings explained
  • Plotting characteristics on log-log paper
  • Additional features

 

Role of Protection

 

  • Contribution in network design
  • Safety requirements
  • Principles

 

Simple Fault Calculations

 

  • Types of network faults
  • Fault Level – what it is and why we need to know it
  • How to calculate fault level
  • Network reduction
  • Calculation of balanced fault levels and fault currents
  • Introduction to symmetrical components

 

Unbalanced Fault Calculations

 

  • Worked examples using symmetrical components

 

Measuring Transformers

 

  • Why we need measuring transformers
  • Principles and specifications CTs and VT
Grading
 
  • Grading Exercises

 

Electronic Relays
Protection of Radial Networks

 

  • Principles of radial feeder protection
  • Urban networks
  • Overhead networks
  • Distribution transformers

 

Busbar protection
Arc Suppression Coil Earthed System
Transformer and Transformer-Feeder Protection

 

  • Transformer fault types and characteristics
  • Protection applications to transformers and transformer feeders
  • Differential protection

 

Protection of Non-radial Networks

 

  • Directional overcurrent and earth fault protection
  • Feeder unit protection and schemes
  • Distance protection

 

MV/LV systems with Generators

 

  • Operating requirements
  • System and interface protection
  • Generator protection

 

Metropolitan systems
Intertripping Techniques