PENGUJIAN SALURAN KABEL TEGANGAN MENENGAH (SKTM) DALAM RANGKA PENENTUAN PARTIAL DISCHARGE DENGAN METODE ASSESMENT KABEL AREA CIKUPA BANTEN
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
PZ, Novandi
Hajar, Ibnu
Hajar, Ibnu
Subject
Teknik Elektro
Datestamp
2022-10-31 07:08:53
Abstract :
The large number of use of Medium Voltage Cable Channels (SKTM) in the Cikupa area requires reliability for the distribution of electricity to customers. So it is necessary to carry out periodic maintenance to improve network reliability and reduce the number of disturbances in SKTM. One of the disturbances that will occur is insulation failure caused by partial discharge. In knowing the condition of the cable, it is necessary to conduct a cable assessment to see the partial discharge load on the SKTM and determine maintenance recommendations for further follow-up. This test was carried out in 2 segments, namely the GI Market Kemis segment to PSK 151 and the trainer from the TS 96 to TS 89. The first test was the VLF Test, in which the two segments of one phase experienced a breakdown, so a partial discharge test was necessary. Furthermore, a partial discharge test is carried out to determine the quality of the cable condition. The PDIV and PDEV values in the GI Pasar Kemis segment to PSK 151 do not appear in the test results, it is possible because the tool's work function is not optimal, so the health index points are taken, which is 2 points. Then for the PD load in the GI Pasar Kemis segment to PSK 151 which is measured in phase 2 of 40886 pC, more than 1000 pC so that the status is worth 3 points. The number of points is 5 points which means the cable is in bad status with an estimated maintenance of 6 months. The second test is the TS 96 to TS 89 Segment Trainer. The PDIV and PDEV values in the TS 96 to TS 89 segment which are measured are more than the working voltage of 11.5 kV so that the status is worth 1 point. Then for the PD load on the TS 96 to TS 89 segment which is measured in the three phases the maximum is more than 1000 pC so that the status is worth 3 points. The number of points is 1, which means the cable is on alert status with an estimated maintenance of 1 year.
The large number of use of Medium Voltage Cable Channels (SKTM) in the Cikupa area requires reliability for the distribution of electricity to customers. So it is necessary to carry out periodic maintenance to improve network reliability and reduce the number of disturbances in SKTM. One of the disturbances that will occur is insulation failure caused by partial discharge. In knowing the condition of the cable, it is necessary to conduct a cable assessment to see the partial discharge load on the SKTM and determine maintenance recommendations for further follow-up. This test was carried out in 2 segments, namely the GI Market Kemis segment to PSK 151 and the trainer from the TS 96 to TS 89. The first test was the VLF Test, in which the two segments of one phase experienced a breakdown, so a partial discharge test was necessary. Furthermore, a partial discharge test is carried out to determine the quality of the cable condition. The PDIV and PDEV values in the GI Pasar Kemis segment to PSK 151 do not appear in the test results, it is possible because the tool's work function is not optimal, so the health index points are taken, which is 2 points. Then for the PD load in the GI Pasar Kemis segment to PSK 151 which is measured in phase 2 of 40886 pC, more than 1000 pC so that the status is worth 3 points. The number of points is 5 points which means the cable is in bad status with an estimated maintenance of 6 months. The second test is the TS 96 to TS 89 Segment Trainer. The PDIV and PDEV values in the TS 96 to TS 89 segment which are measured are more than the working voltage of 11.5 kV so that the status is worth 1 point. Then for the PD load on the TS 96 to TS 89 segment which is measured in the three phases the maximum is more than 1000 pC so that the status is worth 3 points. The number of points is 1, which means the cable is on alert status with an estimated maintenance of 1 year.
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