KAJIAN TOTAL HARMONIC DISTORTION (THD) PADA TRANSFORMATOR DISTRIBUSI FA333 DAN FA346 DI PT.PLN(PERSERO) UP3 MADIUN
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
SETIA NUGRAHA, NANDA
Handayani, Oktaria
Handayani, Oktaria
Subject
Teknik Elektro
Datestamp
2022-11-03 03:49:27
Abstract :
At this time the use of computers, LED lights, printers, UPS (Uninterruptible Power Supplies), ballast lamps (fluorescent lamps), and other electronic equipment are almost used in all fields. These tools are very helpful for humans to make work easier and more efficient. But on the other hand, the use of these equipment can also increase the use of non-linear loads on the customer side which causes harmonics on the power distribution side to disrupt the electric power distribution system. This study aims to determine the level of THDi and THDv on transformers FA333 and FA346 so that if it is found that THDi and THDv exceed the limit, a simulation of repair will be carried out by installing a passive filter. The THDi and THDv measurement methods were carried out on the three phases of the FA333 and FA346 transformers using the HIOKI 3286-20 Clamp on hi tester then simulation of THDi level improvement was carried out using ETAP16 software. S 7.60% and 11.20% T phase. The measurement results on the FA346 transformer obtained THDi values in the R phase of 6.60%, the S phase of 9.10% and the T phase of 8.20%. After simulating the attenuation of the harmonic filter, the THDi level in both transformers fell below the IEEE 519-1992 standard, which is less than 8%.
At this time the use of computers, LED lights, printers, UPS (Uninterruptible Power Supplies), ballast lamps (fluorescent lamps), and other electronic equipment are almost used in all fields. These tools are very helpful for humans to make work easier and more efficient. But on the other hand, the use of these equipment can also increase the use of non-linear loads on the customer side which causes harmonics on the power distribution side to disrupt the electric power distribution system. This study aims to determine the level of THDi and THDv on transformers FA333 and FA346 so that if it is found that THDi and THDv exceed the limit, a simulation of repair will be carried out by installing a passive filter. The THDi and THDv measurement methods were carried out on the three phases of the FA333 and FA346 transformers using the HIOKI 3286-20 Clamp on hi tester then simulation of THDi level improvement was carried out using ETAP16 software. S 7.60% and 11.20% T phase. The measurement results on the FA346 transformer obtained THDi values in the R phase of 6.60%, the S phase of 9.10% and the T phase of 8.20%. After simulating the attenuation of the harmonic filter, the THDi level in both transformers fell below the IEEE 519-1992 standard, which is less than 8%.
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