Case Study: Testing a Non-Conventional Transformer
Non-conventional transformers are increasingly present in modern power systems, offering greater efficiency and integration with digital technologies. To ensure the reliability of these devices, it is essential to perform detailed tests that validate their performance according to international standards.
In the latest case study, Eng. Cristiano conducted tests on a combined composite transformer from GE, which integrates a CT (current transformer) and VT (voltage transformer) into a single unit. The tests were based on the IEC 61850 standard, using advanced methodologies for primary and secondary analysis.
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Test Objective
The main goal was to validate the transformer’s performance and verify compliance with normative requirements. During the tests, the following aspects were evaluated: ✔ Measurement of primary and secondary quantities
✔ Verification of the transformation ratio
✔ Analysis of CT and VT response under various operating conditions
✔ Proof of compliance with IEC 61850
Results
The tests demonstrated that the transformer meets the established criteria, ensuring measurement accuracy and reliable operation within the electrical system. The integration of digital technology enabled by IEC 61850 enhances automation and equipment monitoring, making testing even more efficient.
Conclusion
Non-conventional transformers represent a significant advancement in the protection and measurement of electrical systems. Performing detailed tests like those in this case study is essential to ensure the reliability and compliance of these devices.
Conprove continues to innovate and deliver complete solutions for transformer testing, automation, and power system protection.
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