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Pengujian Model Fondasi Kacapuri dengan Penambahan Strip Plat Kayu Ulin di Tanah Gambut Stephanus Alexsander; Fatma Sarie; Mohammad Ikhwan Yani; Liliana; Sinaga, Ayu Rosaulina
AGREGAT Vol 10 No 2 (2025)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ag.v10i2.27368

Abstract

This document serves two fold objectives: as the template as well as the guide for composing your paper. Please write the. The distribution of peat soils with high organic content in the Kalimantan region causes low soil bearing capacity and large soil settlement, which adversely affects construction projects. Local communities commonly use kacapuri foundations made from a combination of ironwood and galam wood, but these foundations are not fully effective in resisting loads. This research modifies the foundation by adding ironwood plate strips modelled through the Plaxis 2D program and continued with prototyping in the laboratory by providing loading tests. The data used is primary data from laboratory testing with soil samples taken from the location on Bondang Street, Palangka Raya City. Laboratory testing of the physical and mechanical properties of peat soil revealed a moisture content = 580.51%, volume weight = 1,06 g/cm3, specific gravity = 1.79, ash content = 4.65%, fibre content = 33.12%, cohesion = 0,0023 kg/cm2, inner shear angle = 1.8856°, shear stress from the normal stress and shear stress relationship graph = 0.006 and soil shear strength in the range of 0.0064 - 0,0174 kg/cm2. The modelling that has been done provides a modification with four strips of ironwood plate. The prototype made produces a decrease value according to SNI 8460: 2017 standard which is 2.5 cm in the Plaxis experiment the required load is smaller than in the laboratory. In Plaxis, a large load of 356.9 kg is required to achieve settlement, and a load of 380 kg is required in the laboratory settlement test.
Comparative Analysis of Static Var Compensator and Distributed Generation Installation on Voltage Profile Zulfatri Aini; Guido, Muhammad Guido Randa Febiant; Tengku Reza Suka Alaqsa; Liliana
Jurnal Teknik Elektro Vol. 16 No. 1 (2024)
Publisher : LPPM Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jte.v16i1.8824

Abstract

In Indonesia, electricity is a basic need with demand that continues to grow. PT PLN (Persero) projects an increase in electricity consumption of 8.9% by early 2022, highlighting the urgent need to address frequent problems such as blackouts, power losses, and voltage sags in the power distribution system. Effective solutions, including Static VAR Compensator (SVC) and Distributed Generation (DG), have been proposed to improve voltage stability and reduce power losses. This study evaluates and compares the performance of SVC and DG on a standard IEEE 14-bus system under increased load conditions. Using power flow analysis in ETAP, we simulate the installation of SVC at 15.99 Mvar and DG at 20.58 Mvar on bus 9, which shows optimal results. The findings show that DG slightly outperforms SVC in improving voltage stability and reducing power losses, with a 0.16% greater voltage increase and a 3.2 MW or 17.3% reduction in power losses. These results indicate that although both devices meet PLN’s voltage standards and improve power system efficiency, DG provides a slightly superior improvement in overall system performance.