Practical Power Transformers: Operation, Maintenance and Testing - Live online course

Country: 
Malaysia
Category: 
Electrical Engineering
City: 
Online - attend from your desk!
Course Scheduled Number: 
150528E/
Course start date: 
Saturday, 02 May 2015
Course end date: 
Saturday, 02 May 2015

 

YOU WILL GAIN:

  • An understanding of the fundamental theory and principles of the operation of power transformers and transformer protection
  • An insight into the identification and application of transformer types
  • An understanding of power transformers, oil and oil tests and interpretation of results
  • Skills in how to manage power transformer breakdowns to ensure minimum disruption

WHAT’S INCLUDED?

  • Four 50 minute live, practical sessions with your instructor and attendees
  • The full technical eBook manual for “Practical Transformers: Operation, Maintenance and Testing” which includes course slides, cases studies, calculations and practical exercises
  • Four hours of additional in-depth video sessions covering many additional areas – yours to keep and watch at your convenience

WHO SHOULD ATTEND?

  • Consulting engineers
  • Electrical contractors and inspectors
  • Electrical engineers and technicians
  • Power system engineers and technicians
  • Project engineers
  • Tradesman electricians
  • Utility engineers

PRE-REQUISITES:

Some basic knowledge of electrical engineering and general knowledge of the nature and operation of transformers is required. However participants do not need specific knowledge on transformers and the course will start from the basic theory of transformers.

CONTENT SUMMARY

INTRODUCTION
This is an intensive four (4) hour presentation; we will be emphasising sections marked in BOLD below. Full recordings will be provided for the lower intensity sessions (another four hours of video as detailed below) to review after the course.

LIVE SESSIONS

SESSION ONE

POWER TRANSFORMER OIL AND OIL QUALITY

  • Oil contents: water, acidity and dissolved gas
  • Oil tests: dielectric breakdown, moisture, resistivity, interfacial tension, specific gravity, power factor, furan analysis
  • Recovery voltage measurement test

POWER TRANSFORMER PROTECTION

  • Surge protection
  • Protective relaying (differential, over-current and earth fault)
  • Buchholz relay and pressure relief relay
  • Thermal devices and instruments (oil temperature alarm and trip, winding temperature alarm and trip)

Additional video session covered in-depth for review at anytime:

  • TRANSFORMERS’ MAIN FUNCTIONS AND CLASSIFICATION
    • Construction (shell type and core type)
    • Classification and type in relation to insulation, windings, core, cooling systems, voltage level, sizing, tank and breathing action Transformer parts

SESSION TWO

POWER TRANSFORMER ELECTRICAL TESTS

AC tests:

  • Power factor tests (insulation, oil and bushings)
  • Single phase excitation current test
  • Transformer turns ratio test

DC tests:

  • Insulation resistance test
  • Dielectric absorption test
  • Polarisation index test
  • Step voltage test
  • Hi-pot test

AUTO-TRANSFORMERS

  • Design criteria
  • Specifications

GENERATOR TRANSFORMERS

  • Design criteria
  • Specifications

Additional video session covered in-depth for review at anytime:

  • POWER TRANSFORMERS AND SAFETY
    • How to install, operate and work with high voltage power transformers safely
    • Earthing of HV transformers

SESSION THREE

TAPPINGS AND TAP CHANGERS

  • Uses of tap changers
  • Impedance variation
  • Tap changer mechanisms
  • On-load tap changing by reactor transition
  • Divertor resistor tap changers
    • In tank type tap changers
    • Externally mounted tap changers
  • Off-circuit tap changers
  • Construction of tap changers
  • Control of on-load tap changers
    • Master/follower control
    • Circulating current control
    • Runaway prevention
  • Moving coil regulator
  • The Brentford linear regulating transformer
  • Preventative maintenance guidelines
  • Standards applicable to tap changers C57.131-1995
  • Comparison between IEEE and IEC approaches

Additional video session covered in-depth for review at anytime:

  • TRANSFORMER THEORY
    • Electrical values and their definition in a power transformer - voltage, current, number of turns, impedance and their interrelation

SESSION FOUR

PREVENTATIVE MAINTENANCE ON POWER TRANSFORMERS

  • Techniques to improve life expectancy

UNIT TRANSFORMERS

  • Design criteria
  • Specifications

STATION TRANSFORMERS

  • Design criteria
  • Specifications

Additional video session covered in-depth for review at anytime:

  • OPERATION OF POWER TRANSFORMERS IN A POWER SYSTEM
    • Thermal performance, loading, paralleling, tap-changing, connections and vector groups

SUMMARY, OPEN FORUM

CLOSING

SubtotalRM488.00 MYR
Malaysia GSTRM29.28 MYR
PriceRM517.28 MYR
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This course is available fully online through IDC Video: On-Demand video courses.

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