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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Infomedia Jurnal Ekonomi Pembangunan Indonesian Journal of Electrical Engineering and Computer Science Jurnal Ilmiah Ilmu Terapan Universitas Jambi Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika Serambi Engineering
Zamzami
Politeknik Negeri Lhokseumawe
Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Non-uniform Rooftop PVs Distribution Effect to Improve Voltage Profile in Residential Feeder Zamzami Zamzami; Nelly Safitri; Fauzi Fauzi
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 4: August 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i4.7789

Abstract

This paper presents the simple design of a grid-tied single-phase with distributed rooftop photovoltaic (PV) non-uniformly location and ratings. All the inclusion components in the developed scheme are estimated and defined as the inevitability of low voltage (LV) residential network. This developed scheme is purposed for allocating AC and DC load, which are divided into four steps: the sized determination of PV inverter (1-5kW), the selection of PV array, the size determination of battery and the selection of other supporting components. The purposed configuration consists of modeling the system with non-uniform distributions of rooftop PVs, modeling the rooftop PVs based on their injected active and reactive power, and finally the inclusion of battery storage, based on its state of charge (SOC). Due to test the configuration, several cases are built in the MATLAB platform. Simulation results have been generated and analyzed for an unbalanced three-phase residential feeder which is populated with rooftop PVs and battery storage (BS). The simulation results show that the unbalanced reduction due to the coordinate of PVs and BS that provided educated energy storage when the unequal loadings are there, have significant effect toward the anxiety of the distribution network are successfully done.
Harmonic Impact in Induction Generator Voltage Using Thyristor Control Reactor Suprihardi Suprihardi; Yaman Yaman; Zamzami Zamzami; Nelly Safitri
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 3: June 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i3.7788

Abstract

As commonly known that theload fluctuations that have been performed on an induction motor operated as an induction generator (IG) triggers unstable induced voltage and frequency. Asthe result, the load that receiving the power quality is not running properly and the efficiency is low. The problems that have beenmitigated in this research in such way is the stability of the voltage that generated by IG due to fluctuating loading, and the harmonics can be damped by single tuned due to the work of thyristors and non-linear loads. The used method is the Ziegler-Nichols method by measuring and testing the design of prototype to get the best performance in stabilizing the voltage by using thyristor control reactor (TCR). The results showed that the induced generator with single tuned filter and TCR to nonlinear load variation at 1618 RPM is maintained stably for the voltage and frequency. Although, 3rd order harmonics of voltage and current that has been tuned can be dampedby using THDI 8.36%. Furthermore, it can be said that the response that generated by voltage control system using proportionalintegral (PI) control in 1kW-4 poles three-phase IG with additional and reductionalload generated a stable response.
Control System Based on Fuzzy Logic In Nutmeg Oil Distillation Process Syamsul Syamsul; Rudi Syahputra; Suherman Suherman; Zamzami Zamzami
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 5: October 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i5.8350

Abstract

The focus of this research is the application of electronic control on the distillation boiler of nutmeg oil. The control system is based on fuzzy logic and as the input parameter is temperature and vapor pressure. The temperature parameters are set in the range 80-120ºC, and the vapor pressure parameters are set in the range of 1-2.5 atmospheres. The output parameter is the time required in the distillation process. The optimal values of these input and output parameters are embedded in microcontroller based control. The control responds to the temperature and vapor pressure to select the gas flow rate at the distillation boiler. This experiment was conducted on a distillation system with a capacity of 25 kg of crushed dried nutmeg, manually and with control based on fuzzy logic. Conventional testing requires 6.90 kg of gas and applying fuzzy logic based control requires 5.50 kg of gas. The yield of nutmeg oil from the distillation process is 2.5 kg conventionally and 2.63 kg with fuzzy logic control. Based on the optimal time of 16 hours distillation process, there was a decrease of gas consumption by 20.3%.
Rancang Bangun Robot Humanoid Berbasis Mikrokontroler Atmega 2560 Zamzami Zamzami; Salahuddin Salahuddin; Anwar Anwar; Yusman Yusman
Jurnal Infomedia:Teknik Informatika, Multimedia & Jaringan Vol 6, No 1 (2021): Jurnal Infomedia
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jim.v6i1.1155

Abstract

Seiring perkembangan teknologi yang semakin maju, teknologi robot merupakan alat yang dapat digunakan sebagai alat bantu manusia dalam pelayanan sosial yang memiliki beberapa kelebihan. Tujuan dalam pembuatan proyek akhir ini adalah untuk mempermudah pekerjaan manusia dalam penyambutan tamu sehingga pelayanannya selalu menjadi yang terbaik. Pada penelitian ini dibuat Robot Humanoid meggunakan Mikrokontroler ATMega2560 sebagai pengendali utama, tinggi robot mencapai 50 cm  dan dengan menggunakan 11 buah motor servo sebagai motor pergerakan robot dalam melangkah dan melambaikan tangan  serta  modul Bluetooth Hc-05 sebagai komunikasi robot, Sedangkan Sensor PING digunakan untuk mendeteksi adanya objek didepan robot. Jarak objek dengan robot akan  ditampilkan dalam bentuk tulisan pada layar LCD 2x16. Dan pada saat objek terdeteksi robot akan melambaikan tangan dan mengeluarkan suara, Segala aktivitas robot dikontrol keseimbangannya dengan sebuah sensor gyroscope. Dari hasil pengujian tegangan pada motor servo adalah 5V dan arusnya 1A sedangkan pada modul mp3 hanya 3.3 V dan Robot humanoid dapat melangkah secara perlahan dan dapat mendeteksi objek maksimal 50 cm serta dapat melakukan lambaian tangan dan mengeluarkan suara. 
Simulation of photovoltaic station interfacing scada within transmission line Zamzami Zamzami; Nelly Safitri; Muhammad Arhami; Naziruddin Naziruddin
Indonesian Journal of Electrical Engineering and Computer Science Vol 30, No 3: June 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v30.i3.pp1269-1278

Abstract

In this paper, a developed simulation of a photovoltaic (PV) station that includes a PV module, a grid-connected inverter, a maximum power point tracking (MPPT) system, and a DC link capacitor was discussed. The MPPT uses a proportional integral derivative (PID) incremental conductance controller. Due to make it simple to control and monitor the PV station, Simulink dashboard is used to develop an interface that resembles a supervisory control and data acquisition (SCADA) system. Then the faults circumstances were simulated on one of the circuits of the double circuit transmission line using the faults combo box that is accessible in the interface. Then the cases were developed to examine the impact of various faults on the operation and control of the solar station. The developed cases namely normal circumstance, single-phase to ground fault circumstance, double-phase fault circumstance, and three-phase to ground fault circumstance, respectively. Three-phase voltage and current at given fault conditions have been measured to control voltage sag and swell. The active and reactive power are also measured due to obtain that they are injected or absorbed the power from and to the transmission line and maintain toward their setpoint values as indications while the faults occurred.
Pengontrolan Tandon Air Berbasis IoT Menggunakan Node MCU 8266 Salahuddin; Yusman; Zamzami; Bakhtiar; Sayed Munazzar; Muhammad Nasir
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The control and monitoring of the water tank, located on the third floor of the building, continues to face problems related to the filling process and limited monitoring. Water continues to enter the tank unnoticed, resulting in energy wastage. This study aims to create a framework that can monitor the water level in the tank of a three-storey building using Internet of Things (IoT) technology. The tank's water level monitoring system uses a JSN-SR04T ultrasonic sensor to collect water level data, with a Node MCU serving as the microcontroller. The system can monitor water levels from 0% to 100%. A reading of 0% indicates that the water is at its minimum level, while 100% indicates that the water tank has reached its maximum capacity. The system created can monitor excessive water consumption at each level using a flow meter sensor. The Virtuino application can stop the water flow by pressing the ON button, which activates the relay in the design model and stops the water flow at any desired level. The water pump will start to fill the reservoir until it reaches the desired level set by the user based on their needs.
Pemanfaatan Pipa Air Bersih Krueng Meureudu sebagai Pipa Pesat pada Perancangan Pembangkit Listrik Tenaga Air Gampong Lhoksandeng Pidie Jaya Aufa, Muhammad Jazaul; Zamzami, Zamzami; Hasanuddin, Teuku
Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika Vol. 21 No. 2 (2024): Jurnal Litek, September 2024
Publisher : Jurusan Teknik Elektro Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/litek.v21i2.48

Abstract

Pembangkit listrik tenaga air merupakan salah satu jenis dari sistem kelistrikan yang berbasis generasi terdistribusi dengan energi terbarukan. Tujuan yang ingin dicapai pada penelitian ini adalah memanfaatkan energi potensi air yang ada pada Krueng Lhok Sandeng yang berlokasi di Gampong Lhok Sandeng Kecamatan Meurah Dua Kabupaten Pidie Jaya menjadi energi listrik, untuk memenuhi kebutuhan energi listrik masyarakat disekitarnya dan masyarakat Aceh pada umumnya. Perancangan pembangkit tenaga air Krueng Lhok Sandeng dimulai dengan pengukuran debit air yang tersedia dan mencari elevasi tertinggi pada sungai tersebut dengan panjang dan diameter pipa penstock yang paling optimal dengan metode pembatasan kecepatan air dan minimalisasi rugi-rugi ketinggian. Dari hasil penelitian diperoleh sebuah kesimpulan bahwa pada perancangan pembangkit listrik tenaga air Lhok Sandeng Meureudu menghasilkan daya listrik efektif pada alat ukur Current Meter sebesar 1616,4 kW, pada alat ukur pelampung menghasilkan daya listrik efektif sebesar 1590,47 kW dan pada debit andalan 90% mendapatkan hasil daya efektif sebesar 1607,66kW. Pada debit 4,7 m3/det dengan elevasi 21 meter dan panjang pipa pesat 1300 KM. Dan rugi-rugi pada pipa pesat dengan debit andalan 90% mendapatkan hasil rugi-rugi daya listrik sebesar 21,34 kW, pada alat ukur Current Meter menghasilkan rugi-rugi daya listrik sebesar 12,6 kW dan pada alat ukur pelampung mendapatkan hasil rugi-rugi daya listrik sebesar 38,53 kW.
The Relationship Between Absolute Poverty Income Inequality in Rural and Urban Areas in Indonesia: The Granger Causality Approach Mustika, Candra; Haryadi, Haryadi; Junaidi, Junaidi; Zamzami, Zamzami
Jurnal Ekonomi Pembangunan Vol 11 No 2 (2022): Volume 11 Nomor 2 Tahun 2022
Publisher : Fakultas Ekonomi dan Bisnis Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jep.v11i2.541

Abstract

This study aims to determine the relationship between poverty and inequality in rural and urban areas by using the Granger causality test approach. This research method uses the Granger causality test analysis tool with rural and urban areas as objects in all provinces in Indonesia with use data from thirty four province and period year from 2014 until 2020. The results of the Granger causality test for rural areas show that there is a realtionship unidirectional relationship between poverty and inequality, the relationship shows significant inequality that causes poverty in rural areas, that meaning in rural area absolute poverty happen because inequality income distribution, while the results of causality tests for urban areas show that there is no relationship at all between poverty and inequality in the urban areas. that meaning In urban areas no causality between absolute poverty and inequality income distribution, this result shows that poverty and inequality in urban areas do not contain a direct one way or two-way relationship.
SUPERIOR AGRO INDUSTRY BASED ON THE PEOPLE'S ECONOMY AND ITS DEVELOPMENT STRATEGY FOR SUSTAINABILITY Yuvanda, Sesraria; Rachmad R, Muhammad; Achmad, Erni; Zamzami, Zamzami; Abdrazakova, Ainur; Listyaningsih, Erna
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 4 (2025): Volume 9, Nomor 4, December 2025
Publisher : LPPM Universitas Jambi

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Abstract

Agro-industry is a processing industry that contributes significantly to the economy of Jambi Province. The agro-industry in Jambi Province is primarily based on plantations. Plantations in Jambi Province produce agro-commodities that are used as raw materials for the agro-industry. The purpose of the research is to determine the superior agro-industry based on the people's economy and then formulate appropriate strategies for the sustainable economic development of Jambi Province. The research methods applied were quantitative-descriptive and observational methods. Meanwhile, the analysis models used were the TOPSIS analysis model to determine the superior agro-industry and the TOPSIS-SWOT analysis model to formulate the development strategies. The research results show that the cooking oil industry is selected as the superior agro-industry. The development strategies for the selected cooking oil industry include increasing the carrying capacity of oil palm plantations and CPO factories, establishing a CPO processing industry polytechnic, utilizing low-cholesterol technology for processed products derived from CPO, facilitating investment in environmentally friendly CPO factories, as well as increasing export quotas and domestic consumption control. The novelty of the research focuses on the development of agro-industries based on the criteria used in determining the superior agro-industry, including business units, workforce, production value, investment value, and turnover. The implications of the research require follow-up on the establishment of an agro-industrial polytechnic in Jambi Province, the growth and development of low-cholesterol and environmentally friendly cooking oil factories, as well as the increase in local exports and consumption.
Co-Authors Abdrazakova, Ainur Anwar Anwar Arhami, Muhammad Aufa, Muhammad Jazaul Bakhtiar Erna Listyaningsih Erni Achmad Fauzi Fauzi Haryadi - Hasanuddin, Teuku Junaidi Junaidi Muhammad Nasir Mustika, Candra Naziruddin Naziruddin Nelly Safitri Rachmad R, Muhammad Rudi Syahputra Salahuddin Salahuddin Salahuddin Sayed Munazzar Suherman Suherman Suprihardi Suprihardi Syamsul Syamsul Yaman Yaman Yusman Yusman Yusman Yuvanda, Sesraria