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Hamdani
Faculty of Science and Technology, Program Study Electrical Engineering, Universitas Pembangunan Panca Budi Medan, North Sumatra, Indonesia

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AN IMPROVEMENT OF POWER POINT TRACKING WEAR METHOD DC-DC CONVERTER METHOD PLTU BAYU BASED ON FUZZY LOGIC Ari Pahala Situmorang; Solly Aryza; Hamdani
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (337.849 KB)

Abstract

In increasing the electrical power capacity of the Wind Power Plant (PLTB) there are several ways, among others, by increasing the number of generators, but the drawback is that the cost is too expensive because they have to build new plants. Another way is to increase the output power efficiency of existing wind power plants. One way is to use Maximum Power Point Tracking (MPPT) technology which functions to increase the output power of the power plant when there is a change in wind speed. In this paper, this technology is in charge of regulating the generator output voltage through a DC-DC converter type Cuk Converter, where the switching technique uses PWM (Pulse Width Modulation) by adjusting the amount of duty cycle. Changes in the value of the duty cycle depending on the size of the wind speed, so that to adjust the value of the duty cycle and speed up the switching response of the PWM control, a modern algorithm called the Fuzzy Logic Controller (FLC) is used. The results showed that FLC-based MPPT technology could increase the percentage of PLTB output power efficiency from 45.5% to 87%.
AN OVERCOMING VOLTAGE DROP IN REPAIR CONDUCTOR USING ETAP SOFTWARE Afrizal Chaniago; Solly Aryza; Hamdani
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (333.709 KB)

Abstract

This study aims to determine the percentage drop in the network end voltage on the PU. 1 refiner, determine the effect of load breakdown and increase in conductors on the PU. 6 refiner on the improvement of the quality of the end voltage on the PU. 1 refiner, and get the results of the analysis of the voltage drop at the end of the network on the PU refiner. .1 with ETAP 12.60 software. The research method used is a simulation method for calculating voltage drop using Etap 12.60 software. The data taken in the form of data length, cross-sectional area, stress, and load distribution network. From the results of the study, it was found that the percentage of end voltage drop before uprating the conductor and breakdown load on the PU.6 refiner on the results of voltage measurements at Final Load = 24.12%, voltage at Middle Load = 18.09% and stress at Even Load = 12.06 %. There is a voltage drop at the end of the distribution system network with the lowest end voltage at the end load which is 15.1 kV and a voltage drop of 24.12% occurs. After raising the conductor and disconnecting the load on the refiner PU.6, the voltage at the final load on PU.1 in the ETAP result is 18.03 kV
ENHANCE PROTECTION GROUNDING FAILURE 17 MH SIPANSIHAPORAS HYDROELECTRIC POWER PLANT BASED ON NEW DESIGN NEUTRAL GROUNDING Victor H Pangaribuan; Adi Sastra Tarigan; Hamdani
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.495 KB)

Abstract

Ground failure is one of the conditions in which leakage current occurs between the phase and neutral which can damage the core of the stator. A grounding failure that occurs will cause a very large current so that the damage that will be caused will be very damaging. The need for protection against grounding failure is very much needed, especially in generators with large capacities. In this paper, we will discuss the design of a protection system against grounding failure at the SIPANSIHAPORAS HEPP, with specifications of 17 MW, 11KV. The protection system that will be discussed in this paper is a Neutral Grounding Transformer (NGT). From the results of the study, it was found that the NGT has a capacity of 46.6 KVA (5 minutes rating), 11000/240 V with a secondary resistor of 0.7 , with a current of 211.7 A (5 minutes rating).
AN ANALYSIS OF POME WASTE TREATMENT PROCESS (OIL PALM FACTORY) BECOME A BIOGAS POWER PLANT IN SEI MANGKEI Irwansha Lubis; Solly Aryza; Hamdani
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (511.849 KB)

Abstract

The problem that is often caused by the palm oil industry is the disposal of liquid waste which causes air pollution due to the pungent smell from the waste pool. If it is thrown into the river it will pollute the river and if it is thrown into the ground then the soil will be contaminated. Then an analytical study was conducted so that the liquid waste can be processed by analyzing methane gas whose raw material is liquid waste that is processed anaerobically to fuel the Biogas Power Plant. One of the large plantation potentials obtained from Palm Oil Mills (PKS), which processes Palm Oil Fresh Fruit Bunches (FFB) into Crude Palm Oil (CPO), is biomass waste with a fairly large amount in the form of organic waste in the form of empty coconut bunches. palm oil (Tankos), shells and coir, and liquid waste (Palm Oil Mill Effluent/POME). POME has high energy potential, but in general it has not been used optimally. POME is decomposed in sewage ponds left to decompose naturally. Converting POME into biogas to be burned can produce energy while reducing the impact of climate change. This gas appears as a result of the anaerobic breakdown of organic compounds. Organic liquid waste generated during palm oil production is a major energy source that has not been widely utilized in Indonesia. Converting POME into biogas to be burned can produce energy while reducing the impact of climate change.