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Yoffi Andinata
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Education Mathematics

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Analysis Of Distribution Transformer Shifting To Address Overload And End Voltage At Gardu HJ177 In PT. PLN (Persero) Kertosono Service Unit Tri Della Cristy Sembiring; Dicky Lesmana; Yoffi Andinata
Jurnal Scientia Vol. 13 No. 03 (2024): Education and Sosial science, June - August 2024
Publisher : Sean Institute

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Abstract

The HJ177 substaion in its loading datareached 126.10% (± 63,054 kVA) of its capacity of 50 kVAwith an end voltaicge of 206 V and experienced avoltage dropge of 12%. The loading exceeded the maximum capacity of the stanord transformer of 80%, which has the potential for materialand finalncial losses for PT PLN (Persero) Kertosono Customer Service Unit (ULP). The voltalge drop resulting from this has exceeded SPLNT6.001-2013 of -±10% for low voltagege. Considering the matrix in the Health Index aassessment tier-1 Distribution Transformer, willingted to the percentage of tranformer loading, it's in the bald caBeca's categoryuse it is loaded ≥100%. To overcome this, an insert transformer caln be installed. With the originl load from 126.10% to 46.942% of the 50kVAcapacity, then the end voltage at the HJ177 Substation with the insertion of the transformer was originallly 206 V with avoltage drop of 12.0% increased to 213 V with avoltage drop percentage that decreased to 8.2%. The implementation of the transformer insertion for the HJ177 substation is effective in overcoming overloadyesnd improving the end voltage
A Network Design Using MPLS For Video Streaming Services Mulyanita Br Damanik; Solly Aryza; Yoffi Andinata
Jurnal Scientia Vol. 13 No. 04 (2024): Education and Sosial science, September-December 2024
Publisher : Sean Institute

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The design of a reliable and efficient network is crucial to support services that require large data transfers, such as video streaming. This research aims to design a network using Multiprotocol Label Switching (MPLS) technology to enhance the quality of video streaming services. MPLS is known as an effective solution for managing network traffic due to its ability to perform label-based routing, which allows for more optimal and faster path selection compared to traditional routing methods. In this study, the MPLS network design is implemented to provide better Quality of Service (QoS), focusing on parameters such as latency, jitter, and packet loss, which greatly impact the user experience in video streaming. The design method involves selecting the most efficient routes and managing priority traffic to ensure that video streaming data can be transmitted with optimal speed and stability. The results of this study show that the use of MPLS in networks for video streaming services can improve bandwidth efficiency, reduce disruptions caused by network congestion, and ensure more stable playback with minimal buffering. Therefore, MPLS-based network design becomes an effective solution to support higher-quality video streaming services.
Co-Authors Dicky Lesmana Mulyanita Br Damanik Tri Della Cristy Sembiring