Objectives
After completion of this course each participant will have a good understanding of current transformers. Participants will gain a comprehensive understanding of the OMICRON CT Analyzer test equipment and associated software. Participants will know how to perform test procedures on current transformers after completion of this course.
Theoretical session
The participants will be familiarised with the important aspects of different types of tests performed on current transformers and also be educated on the different IEC standards on current transformers.
Practical session
Participants will have to apply their gained knowledge during the practical sessions whilst testing a current transformer. Several different tests and tasks will have to be performed on the current transformer.
Contents
- Basics: Important aspects of primary plant testing and safety in an electrical substation.
- Basic theory on current transformers: Different types of CTs, equivalent circuit and different cores. Different tests performed on current transformers and connection diagrams. Discussion of international standards regulating CTs and determination of CT parameters.
- OMICRON hardware overview: CT Analyzer
- CT Analyzer: Setting up and execution of different tests onCTs.
- Current Transformer Testing: Perform the following tests on a CT: Ratio, burden, excitation curve, winding resistance, polarity check and determination of CT class. Testing of bushing CTs.
- CTA Quick Mode: Injecting voltage and current. Manual ratio tests.
- CPC Explorer Software: Upload and download of test results and test templates.
- CT Analyzer Excel File Loader: Create customized reports and perform specific post-processing of test results.
Pre-requisites for the Training Course
- Basic knowledge and understanding of current transformers.
- Working knowledge of how to operate Windows programs (e.g. Word, Excel) and the Windows operating system.
Software used
OMICRON CT Analyzer Software Suite V5.20 or later
