Winda Arista, Siti Anisah, Pristisal Wibowo

Analisis Kinerja Trafo Distribusi pada ULP Medan Kota dan Penanggulangannya dengan Sisip Trafo

Introduction

Analisis kinerja trafo distribusi pada ulp medan kota dan penanggulangannya dengan sisip trafo. Analisis kinerja trafo distribusi ULP Medan Kota & penanggulangan overload dengan sisip trafo. Tingkatkan efisiensi, keandalan, kurangi beban 50%, & minimalkan drop tegangan.

Abstract

Distribution transformers play a critical role in delivering electrical energy from medium-voltage networks to low-voltage consumers. At ULP Medan Kota, several distribution transformers have been operating with loads exceeding 80% of their nominal capacity, posing risks of overloading, efficiency reduction, and equipment failure. This study aims to analyze the performance of distribution transformers based on actual load data and evaluate mitigation strategies through the implementation of additional parallel transformers (trafo sisip). The methodology includes data collection, load and current calculation, and simulation of load distribution after transformer insertion. The results show that the installation of trafo sisip reduces the load on the main transformer by approximately 50% and significantly lowers the current to safer levels. Moreover, placing the trafo sisip at an optimal position minimizes voltage drop to as low as 0.0745 Volts. Therefore, the addition of trafo sisip is proven to enhance the reliability, efficiency, and operational life of the power distribution system at ULP Medan Kota.

Review

This paper, "Analisis Kinerja Trafo Distribusi pada ULP Medan Kota dan Penanggulangannya dengan Sisip Trafo," addresses a critical operational challenge faced by many electricity distribution utilities: the overloading of distribution transformers. The authors identify a pertinent issue at ULP Medan Kota, where several transformers are operating at loads exceeding 80% of their nominal capacity, thereby exposing the system to significant risks such as reduced efficiency, premature equipment failure, and overall diminished reliability. The study's clear objective is to comprehensively analyze the performance of these transformers under real-world conditions and to evaluate a practical mitigation strategy to address these identified vulnerabilities. The methodology employed is robust, involving detailed data collection, meticulous calculation of actual loads and currents, and subsequent simulation of load distribution following the proposed intervention. This systematic approach lends credibility to the findings. The core of the solution presented is the strategic implementation of additional parallel transformers, referred to as "trafo sisip." The results demonstrate a significant positive impact, notably a substantial reduction of approximately 50% in the load on the main transformer, leading to a much safer operational current. Furthermore, the study highlights the importance of optimal placement for these additional transformers, achieving an impressive minimization of voltage drop, quantified at a mere 0.0745 Volts. The findings from this research offer valuable insights and a practical, implementable solution for power distribution systems experiencing similar overload issues. The proven benefits of integrating "trafo sisip" extend beyond just load reduction; they directly translate to enhanced system reliability, improved energy efficiency, and a prolonged operational life for existing infrastructure at ULP Medan Kota. This study provides a compelling case for proactive network management and capacity planning, serving as a useful reference for other utilities confronting the challenges of increasing demand and aging equipment. The paper successfully demonstrates a tangible and effective approach to maintaining grid stability and service quality.

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