Pergantian Rele Diferensial Mekanik ke Rele Differensial Numerik
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Siregar, Muhammad Sutan Iqbal
Wasri Hasanah, Aas
Mangapul,, Juara
Wasri Hasanah, Aas
Mangapul,, Juara
Subject
Teknik Elektro
Datestamp
2022-10-05 01:55:34
Abstract :
The transformer is the main component in the substation. So that the transformer must remain optimal. Differential relay is the main protection system on the transformer which protects the transformer from interference. Differential relaxation must be moved nominal transformers that flow on the high voltage and low voltage sides, and work without time delay. To increase the reliability of the electric power protection system, old or old equipment is needed to become a newer (differential relay) equipment. The purpose of this research is to learn how to replace differential release and conduct individual testing, function testing and stability testing of newly installed releases. This research was conducted by taking data at the Serpong Substation, South Tangerang. Results Calculation theory to ascertain whether the measurement value when testing is correct or not. The test results of differential relay measurements on the primary side or the 150 kV side and the 20 Kv secondary side are quite good. From the test results, the relevant upstream (Ipu) and return flow (Ir) obtained a comparison of 95.22% which shows that the test results are quite good. From the test results, the differential relay function can describe PMT and indicators such as alarms, announciators that are functioning properly. For the results of differential relay stability testing for stable and unstable conditions, it can be seen from the difference in phase angles, while the current read is stable in IDiff conditions but there is still Ibias while in unstable conditions there is IDiff which starts to rise but Ibias remains.
The transformer is the main component in the substation. So that the transformer must remain optimal. Differential relay is the main protection system on the transformer which protects the transformer from interference. Differential relaxation must be moved nominal transformers that flow on the high voltage and low voltage sides, and work without time delay. To increase the reliability of the electric power protection system, old or old equipment is needed to become a newer (differential relay) equipment. The purpose of this research is to learn how to replace differential release and conduct individual testing, function testing and stability testing of newly installed releases. This research was conducted by taking data at the Serpong Substation, South Tangerang. Results Calculation theory to ascertain whether the measurement value when testing is correct or not. The test results of differential relay measurements on the primary side or the 150 kV side and the 20 Kv secondary side are quite good. From the test results, the relevant upstream (Ipu) and return flow (Ir) obtained a comparison of 95.22% which shows that the test results are quite good. From the test results, the differential relay function can describe PMT and indicators such as alarms, announciators that are functioning properly. For the results of differential relay stability testing for stable and unstable conditions, it can be seen from the difference in phase angles, while the current read is stable in IDiff conditions but there is still Ibias while in unstable conditions there is IDiff which starts to rise but Ibias remains.
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