Pengaruh Ketidakseimbangan Beban Terhadap Losses dan Pembebanan Transformator Distribusi
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Abstract
PT. PLN (Persero) Suluttenggo Region Gorontalo Branch can be said to have a fairly large electricity supply area. In general, households, industries, offices, and companies use inductive electrical devices such as electronic devices, electric motors for TL lamps, transformers and certain inductive equipment. One of the problems that arise in the previous use is the use of reactive, inductive power for a smaller apparent power requirement, resulting in an imbalance of loads in an electric power distribution system and neutral currents that occur in distribution transformers, resulting in power losses in the distribution transformer. traffic As an example of the distribution of the Isimu Raya road substation in this thesis the author takes a comparison of power losses due to load imbalance in the distribution of the substation. In the calculations, the author clearly knows how many kVA distribution transformers are used in general, so that the data can be accurately calculated later. In general, the distribution of the transformer used is 100 kVA 3 phase, current 2.9 – 144.5, with 4% impedance. In the calculation, there are several percentages of loading on the distribution of the transformer that occur during the day and night as seen from the form of electricity consumption. In transformer loading, it can be seen that during the day the percentage of loading decreases, while at night (peak load) the percentage of loading is quite high. So that it can be seen the peak load time at the distribution of the GLI 58 substation on Jalan Isimu Raya. Overall, the key is at night so that the load on the pole transformer gets bigger because the use of the electric load is uneven.
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