Iec 60076-18&19 : Transformer Loss Measurement & Uncertainty
 

If you're referring to the course "IEC 60076-18 & 19: Transformer Loss Measurement & Uncertainty", it is an advanced electrical engineering course focused on transformer testing according to the IEC 60076 standards, particularly accurate measurement of transformer losses and the evaluation of measurement uncertainty.

What you'll typically learn
1. Introduction to IEC 60076 Standards
Overview of the IEC 60076 series
Transformer routine, type, and special tests
Importance of loss measurement for efficiency and compliance
2. Transformer Losses
No-load (core/iron) losses
Load (copper) losses
Stray losses
Eddy current losses
Dielectric losses
Total transformer losses
3. Loss Measurement Techniques
Open-circuit (no-load) test
Short-circuit (load loss) test
Three-phase measurement methods
Instrument transformer considerations
Digital power analyzers
Calibration requirements
4. IEC 60076-18 Concepts

Typical topics include:

Measurement procedures
Test configurations
Accuracy requirements
Test equipment selection
Acceptance criteria
5. IEC 60076-19: Measurement Uncertainty

The standard provides procedures for evaluating the uncertainty associated with no-load and load loss measurements during routine transformer testing. The newer IEC 60076-19-1:2023 edition focuses on digital measurement systems and explains how to determine uncertainty, apply corrections for known errors, and ensure traceability.

Topics generally include:

Sources of uncertainty
Systematic vs. random errors
Calibration uncertainty
Repeatability
Instrument accuracy
Combined uncertainty
Expanded uncertainty
Uncertainty budgets
6. Test Equipment
Precision power analyzers
Current transformers (CTs)
Voltage transformers (VTs)
Current shunts
Precision voltage dividers
Temperature sensors
Data acquisition systems
7. Error Analysis
Instrument errors
Phase-angle errors
Ratio errors
Harmonic effects
Temperature corrections
Frequency deviations
Cable and connection effects
8. Data Analysis & Reporting
Calculating corrected losses
Preparing uncertainty budgets
Reporting according to IEC requirements
Acceptance testing documentation
Factory Acceptance Test (FAT) reports
Skills you'll gain
Performing transformer loss measurements
Interpreting IEC 60076 requirements
Calculating measurement uncertainty
Selecting suitable test instruments
Diagnosing measurement errors
Preparing compliant technical reports
Improving testing accuracy and traceability
Best suited for
Electrical Engineers
Power System Engineers
Transformer Design Engineers
Test Engineers
Commissioning Engineers
Quality Assurance Engineers
Utility Engineers
High-voltage laboratory personnel
Transformer manufacturing professionals
Prerequisites

A background in:

Electrical engineering fundamentals
Transformer theory
AC circuit analysis
Electrical measurements and instrumentation

is generally recommended.

Expected outcome

By completing this type of course, you should be able to:

Measure transformer no-load and load losses accurately.
Understand the testing procedures specified in the IEC 60076 series.
Quantify and document measurement uncertainty in accordance with IEC guidance.
Evaluate the quality and reliability of transformer test results.
Produce technically sound reports suitable for factory testing, certification, and compliance.

This course is particularly valuable for engineers working in transformer manufacturing, high-voltage testing laboratories, utilities, testing and commissioning, or power system quality assurance, where precise loss measurements directly affect product acceptance, efficiency verification, and regulatory compliance.