Primary Injection -Evaluation Of A Current Transformer Saturation And The Effect To The Relay Performance

Melur Natasha, Jamaluddin (2009) Primary Injection -Evaluation Of A Current Transformer Saturation And The Effect To The Relay Performance. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The project entitled 'Primary Injection - Evaluation of a Current Transformer Saturation and the Effect to the Relay Performance' is proposed to have better understanding on the protection devices used in power system. This paper will concentrate on the evaluation of current transformer saturation and the effect of the saturation to the relay performance. In order to evaluate current transformer saturation, this project will involve few testing on the current transformer. At beginning of the current transformer testing, insulation resistance test will be performed to check the integrity of the winding. The test then followed by DC resistance test to ensure that current transformer have almost same resistance on its secondary so that there will be almost same erratum recorded in next testing. Then the magnetization test will takes place. The purpose of this test is to observe the magnetization curve drawn from the experiment. This test then followed by ratio check test. In this project, 50/5 and 100/5 current transformer ratio will be used. From the result, the saturation value shown by both current transformer and its effect towards relay performance analyzed.

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