| Summary: | This paper study the existent of geomagnetic induced current (GIC) in Malaysia. The location for GIC measurement is conducted at Tenaga Nasional Berhad (TNB) substation 33KV transformer in Malaysia. The measurement is taken at the neutral cable of the 33KV transformer which is grounded to the earth. In order to verify the result of the GIC existence, the data from GIC measurement is observed with the data from the Solar Wind and Magnetic field of the earth. The measurement is taken using the HIOKI MR 8870-20 memory recorder, CT6846-05 current clamper, and CT9555 sensor unit. The study is conducted to identify the existence of the GIC in Malaysian Power Network transformer before conducting a further study on the harmful effect of the GIC level in Malaysia on the transformer performance. The data collected from the study to analyze and plotted using MATLAB software for further observation on the GIC level. © 2021 Published under licence by IOP Publishing Ltd.
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