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PS-SP Practical Power System Protection

  • Duration:
  • Investment: US$ 299
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Description

This online course has been designed to give plant operators, electricians, field technicians and engineers a better appreciation of the role played by power system protection systems. An understanding of power systems along with correct management will increase your plant efficiency and performance as well as increasing safety for all concerned.

The course is designed to provide excellent understanding on both a theoretical and practical level. Starting at a basic level and then moving onto more detailed applications, it features an introduction covering the need for protection, fault types and their effects, simple calculations of short circuit currents and system earthing. This course includes some practical discussion on simple fault calculations, relay settings and the checking of a current transformer magnetisation curve.

YOU WILL LEARN HOW TO:

  • Describe the fundamentals of electrical power protection
  • Identify and understand the different fault types
  • Perform simple fault and design calculations
  • Basically  specify and use protection system components – CTs, VTs, CBs, fuses and relays
  • Apply relay settings; check, test and assess current transformers
  • Demonstrate a fundamental knowledge of different applications in protection

WHO SHOULD COMPLETE THIS COURSE

  • Design engineers
  • Electrical engineers
  • Electrical technicians
  • Electricians
  • Field technicians
  • Instrumentation and design engineers
  • Plant operators
  • Project engineers

PRE-REQUISITES:

  • Fundamental knowledge of electrical engineering.

 

COURSE OUTLINE
RELAYS

  • Inverse, Definite Minimum Time (IDMT) relay – construction principles and setting
  • Calculation of settings – practical examples
  • New era – modern numerical relays and future trends

FEEDER PROTECTION

  • Cables
  • Pilot wire differential
  • Overhead lines
  • Distance protection (basic principles, characteristics, various schemes)

TRANSFORMER PROTECTION

  • Phase shift, magnetising in-rush, inter-turn, core and tank faults
  • Differential and restricted earth fault schemes
  • Buchholz relay, oil and winding temperature
  • Oil – testing and gas analysis

SWITCHGEAR (BUSBAR) PROTECTION

  • Requirements, zones, types
  • Frame leakage, high, medium and low impedance schemes, reverse blocking

NEED FOR PROTECTION

  • Selectivity, stability, sensitivity, speed
  • Reliability, dependability, security

FAULT TYPES AND THEIR EFFECTS

  • Active, incipient, passive, transient, asymmetrical etc
  • Phase and earth faults

SIMPLE CALCULATION OF SHORT CIRCUIT CURRENTS

  • Revision of simple formulae
  • Calculation of short circuit MVA and fault currents
  • Worked examples

SYSTEM EARTHING

  • Solid, impedance, touch potentials etc
  • Effect of electric shock on human beings
  • Earth leakage protection

PROTECTION SYSTEM COMPONENTS INCLUDING FUSES

  • History, construction, characteristics
  • Energy, let-through, application

INSTRUMENT TRANSFORMERS

  • Current transformers: construction, performance, specification, magnetisation, curves etc
  • Voltage transformers: types, accuracy, connections

CIRCUIT BREAKERS

  • Purpose and duty, clearance times, types etc

TRIPPING BATTERIES

  • Battery types, chargers, maintenance, D.C. circuitry

PRACTICAL DEMONSTRATION SESSION

  • Including simple fault calculations, relay settings and checking a current transformer, magnetising curve etc.

APPLICATIONS CO-ORDINATED BY TIME GRADING

  • Problems in applying IDMT relays

UNDERGROUND MINE DISTRIBUTION PROTECTION

  • Earth leakage protection, pilot wire monitor, earth fault lockout, neutral earth resistor monitor
  • Selective co-ordination by current grading

PRINCIPLES OF UNIT PROTECTION

  • Differential protection – basic principles

MOTOR PROTECTION

  • Thermal overload, time constants, early relays
  • Starting and stalling conditions
  • Unbalanced supply voltages, negative sequence currents, de-rating factors
  • Phase-phase faults
  • Earth faults – core balance, residual stabilising resistors

GENERATOR PROTECTION

  • Stator and rotor faults
  • Overload and over-voltage
  • Reverse power/unbalanced loading
  • Loss of excitation and synchronism
  • Typical protection scheme for industrial generators

MANAGEMENT OF PROTECTION

  • Routine testing, annual testing, investigation and performance assessment, up-grading
  • Organisation, training, records, access planning

 

 

 

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
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