A black and white drawing of three gears on a white background.

Technical Programs

Dissolved Gas Analysis in Transformer Insulating Oil


  • A woman wearing a mask and gloves is working in a lab.

    Slide title

    Write your caption here
    Button
  • A person wearing blue gloves is holding a yellow container of liquid

    Slide title

    Write your caption here
    Button
  • OVERVIEW

    This seminar enhances a better understanding of how transformer insulating oil reacts after long use and for maintenance management and its technical team to prepare for its maintenance programs.  This will also guide non-chemist staff at the site to understand how to read insulating oil analysis, specifically DGA and Oil Quality tests.

  • WHO SHOULD ATTEND

    • Electrical Technicians
    • Asset Engineers & Managers
    • Transformer Operation & Maintenance Personnel
    • Chemists & Chemical Technicians

  • LEARNING OBJECTIVES

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

    • Understand the mechanisms of gas formation in transformer insulating oil.
    • Apply dissolved gas analysis (DGA) diagnostic tools for transformer condition assessment.
    • Identify and interpret the different insulating oil tests used in transformer analysis.
    • Perform proper sampling procedures for transformer insulating oil.
    • Monitor and evaluate dissolved gas trends to support preventive maintenance and fault diagnosis.
  • TOPICS TO BE DISCUSSED

    DAY 1

    Course Introduction

    A. Oil Quality Test

    • Understand the purpose and importance of standard insulating oil quality tests, enabling accurate assessment of transformer health and reliability in daily operations.
    • Identify the different oil quality tests used for transformer assessment, enhancing technical competence and problem-solving skills.
    • Interpret test results in relation to oil condition and transformer performance, supporting informed maintenance decisions and operational efficiency.
    • Recognize abnormal results that may indicate deterioration or faults, improving troubleshooting skills and positioning participants for advanced roles in asset management.

    B. IEEE Specifications

    • Become familiar with relevant IEEE standards for transformer insulating oil and DGA, ensuring compliance and demonstrating professional expertise.
    • Understand acceptable limits and criteria defined in the standards, supporting accurate decision-making in maintenance and operations.
    • Apply IEEE specifications when evaluating oil test and DGA results, enhancing credibility and reliability in technical roles.
    • Ensure compliance with standards in transformer condition monitoring, strengthening professional reputation and career growth opportunities.

    C. Principles of Dissolved Gas Analysis

    • Understand the mechanisms of gas generation in transformer insulating oil, enabling early fault detection and reducing operational risk.
    • Identify key gases associated with different fault types, improving diagnostic skills and technical competency.
    • Understand the relationship between gas patterns and transformer operating conditions, enhancing ability to assess transformer health effectively.
    • Interpret basic DGA results using established principles, supporting proactive maintenance and professional development in power system operations.
    • D. Factors Influencing Gas-in-Oil Concentrations During Storage
    • Identify factors affecting gas concentrations during oil sampling and storage, ensuring accuracy of DGA results in real-world operations.
    • Understand the impact of handling and storage conditions on DGA accuracy, reducing errors and demonstrating reliability in technical work.
    • Recognize sources of contamination or gas loss in oil samples, enhancing sample integrity and operational confidence.
    • Apply best practices to preserve sample integrity, supporting consistent results and positioning participants as skilled professionals in transformer maintenance.

    E. Gas-in-Oil Standards

    • Understand international and industry gas-in-oil standards, enabling adherence to best practices and regulatory compliance.
    • Identify acceptable gas concentration limits and trending criteria, supporting accurate condition assessment and risk management.
    • Compare results against standard thresholds for condition assessment, improving analytical skills and decision-making in maintenance planning.
    • Use standards as a basis for maintenance and operational decisions, strengthening technical judgment and professional credibility.

    F. Different DGA Diagnostic Tools

    • Understand the principles of various DGA diagnostic methods, enhancing technical expertise and analytical capability.
    • Compare the strengths and limitations of different diagnostic tools, supporting selection of appropriate tools for operational needs.
    • Apply appropriate DGA tools for fault identification, improving troubleshooting skills and proactive maintenance performance.
    • Support maintenance decisions using diagnostic tool results, demonstrating leadership and advanced competency in transformer asset management.

    G. Hands-On: Insulating Oil Analysis

    • Perform proper transformer oil sampling procedures, ensuring accuracy and reliability in real-world applications.
    • Conduct basic insulating oil tests safely and accurately, building practical technical skills and confidence.
    • Analyze and interpret oil test and DGA results, supporting informed maintenance decisions and operational efficiency.
    • Document findings and recommend appropriate follow-up actions, enhancing professional accountability and career development opportunities.
    • H. DGA Sampling Procedures & Basic Interpretations of Lab Results
    • Perform transformer oil sampling using syringe and bottle methods for DGA and oil quality tests, ensuring accurate results that support maintenance decisions and enhance professional credibility.
    • Apply proper handling, storage, and preservation of oil samples, minimizing errors and demonstrating reliability in technical responsibilities.
    • Interpret DGA results using IEEE C57.104-2008/IEC60599, DUVAL’s Triangle, and DUVAL’s Pentagon, enabling early fault detection and strengthening analytical skills valuable for career advancement.
    • Apply case studies to correlate gas patterns with transformer faults, improving problem-solving abilities and preparing participants for higher-responsibility roles in asset management.

    I. Online Dissolved Gas Monitoring

    • Understand the evolution and capabilities of online DGA monitoring systems, providing context to implement modern solutions and stay current in the industry.
    • Identify gases monitored at different stages (H₂, CO, 5 fault gases, 9 key gases) to select appropriate monitoring strategies, enhancing technical decision-making and operational expertise.
    • Recognize practical applications and limitations of online DGA monitoring, supporting informed maintenance planning and demonstrating leadership in technical roles.
    • Compare offline DGA testing with online monitoring, improving efficiency, proactive fault management, and positioning participants as forward-thinking professionals.
    • J. Operating Principles of Online DGA Monitor
    • Understand the fundamental operating principles of online DGA monitors to effectively oversee monitoring systems and build technical mastery.
    • Identify the components and functions of online DGA systems to troubleshoot and maintain equipment, boosting confidence and competence in specialized roles.
    • Recognize how online monitors detect and quantify gases in transformer oil, supporting accurate condition assessment and professional credibility.
    • Analyze data output from online DGA systems to make informed decisions that improve transformer reliability and strengthen leadership skills in operations.

    K. Advantages of Online DGA Monitor

    • Understand the benefits of continuous transformer condition monitoring to enhance preventive maintenance practices and showcase proactive technical capabilities.
    • Recognize how online DGA improves early fault detection and reliability, reducing operational risk and highlighting participants’ value to their organization.
    • Compare efficiency and accuracy of online DGA versus periodic lab testing, enabling optimized workflows and demonstrating strategic thinking.
    • Apply knowledge of advantages to implement effective monitoring strategies, improving asset management, decision-making, and career growth opportunities in technical leadership.
  • RESOURCE PERSON

    Hope Pallones, RCh

    Laboratory Chemist

    Westco Electrical & Equipment Corp.


    Ms. Pallones graduated Bachelor of Science in Chemistry in Pamantasan ng Lungsod ng Maynila. she has twenty years of experience in chemical laboratory analysis. She has a solid background on ISO 17025, ISO 9001, cGMP based on PICS and FDA In addition, she has significant experience in auditing based on ISO 17025 and ISO 9001. Also, a significant exposure in equipment calibration on the laboratory. 


    Extensive knowledge on quality control, good laboratory practices and good manufacturing practices. She attended a training on Condition Assessment through Laboratory Analysis by DOBLE Engineering.

  • REQUIREMENTS

    • No strict requirements required. 
    • Open to Electrical Engineers, Registered Master Electricians, Electrical Technicians, Maintenance Personnel, Energy Auditors, Facility Engineers, Engineering Students, and individuals involved in electrical systems, power distribution, and energy management. 
    • Basic knowledge of electrical systems and power distribution is an advantage but not mandatory.
  • TRAINING INCLUSIONS

    • Certificate of Attendance
    • E-Handouts
    • Meals (for in-person training)
    • Earn CPD Points for ELECTRICAL ENGINEERING COUNCIL

This program is accredited by:

Top Courses

Other Courses

  • Distance Protection

    In the first session of the program, we will discuss the basic measurement principle and construction of the distance protection. Distance protection is a complex protection and basic understanding of the protection makes the user extremely comfortable in working with this complex protection. This 2- hour webinar provides a good insight on the construction of the distance protection and some basic application criteria. This webinar will enable the protection engineers to feel extremely comfortable with the complex protection. Understanding the complexity of the protection increases system reliability and increases the productivity of the test engineers. 


    In the second 2-hour session we will concentrate mainly of testing and protection evaluation aspect. The meaningful testing of the complex digital protection will be discussed using the commercially available power system simulators. 


    Use of ComTrade data in protection evaluation will be discussed in detail. Learn more here.

  • Insulation Power Factor Training for Power Transformer

    This course provides participants  with current methods and procedures used internationally, on predictive, periodic or condition based maintenance  (condition base is - on line diagnostics and monitoring).


    The course is for substation maintenance staff or less experienced in power transformer tresting , or an experienced maintenance technical staff.  This program will also cater to advanced test engineer to learn new concepts in power transformer testing, oil recycling or oil filtering concept, and basic results interpretation. The course will also focus on issues related to causes of bushing breakdown, arresters, oil, impedance, leakage reactance and most of all short circuits rating a transformer can withstand. Learn more here.

  • Introduction to Partial Discharge Testing

    This training program will provide participants Introduction to basic application of Partial Discharge Testing in HV Electrical Assets in the substation.  This program will show how to measure, and how large  a partial discharge in a system? The partial discharge measurements also show the PD testers, how to use them show the   surge tests and PD spikes. Learn more here.

  • Competency Training on Power Quality and Harmonics

    This training is focused on  power quality issues that affects  the electrical system’s operations, more importantly when harmonic frequencies and its harmonic current and voltage affect the Distribution System that contributes to losses.  The Grid Code requires, commercial, highrise residential buildings,  industrial plants, and Utilities to comply within the  Standards.  The increasing demand and applications of non-linear load in industries nowadays greatly affects the quality of the power system.  This program will enhance the knowledge and practices of facility managers, maintenance and technical people at site and more importantly to save energy. Learn more here.

  • Fundamentals of Protective Relay

    Power system - Protective Relaying, in an electrical network  protects the electrical  system of a plant or any facility and it  requires analysis, calibration, troubleshooting on any unusual changes, faults, and disturbances. This seminar will cover  Protective relaying in power generation, transmission, distribution and large loads, furthermore, it will also provide a strong foundation of basic applications and advances in protective relaying that is very useful in planning, operating, and managing electric power systems. Learn more here.

  • Mechanical Integrity of Power Transformers using Sweep Frequency Response Analyzer

    This program provide participants a  comprehensive information on the diagnostic methodologies to evaluate the mechanical integrity of power  transformers. It will discuss the  basic principles of diagnostic assessments  with the use of sweep frequency response analyzer  and includes field case studies.

    This will also provide technical and maintenance  staff to determine some components of power transformer when internal parts had been affected by faults or when the unit is in transit and fell to the ground. Learn more here.


  • Thermal Imaging on Power Assets

    The program will provide participants on how to develop skills in measuring temperature of electrical assets, such as, power transformers, panels, switchgears, busduct, power cables, transformers enclosures, etc.  


    This thermal imaging program is developed for non-certification program, however participants would be able to use its thermal imaging camera effectively and with confidence.  Interpretation of results will also be discussed during hands on lecture.  Many have learned from this hands-on program and does not require certification to learn how to measure temperatures at different assets. Learn more here.

  • Digitalization of AVRs for Power Generators

    This training program will enhance the participant’s knowledge on power  generators or large motors in analyzing  analogue or digital automatic Voltage Regulators improve the power generator voltage output. or  for short  called  “AVR” – automatic voltage regulator, that controls desired & precise voltage, var and power regulation output. It is designed to regulate voltage output  automatically on power generators,  in example,  to take a fluctuating voltage level and turn it into a constant voltage level. Learn more here.

  • Dissolved Gas Analysis in Transformer Insulating Oil

    This seminar enhances a better understanding on how transformer insulating oil reacts after long use and for maintenance management and its technical team prepare for its maintenance programs.  This will also guide non chemist staff at site understand on how to read insulating oil analysis, specifically DGA and Oil Quality tests. Learn more here.

INQUIRE NOW!