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All Journal MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Jurnal Amplifier: Jurnal Ilmiah Bidang Teknik Elektro dan Komputer International Journal of Engineering Continuity
Anggraini, Ika Novia
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PENGUJIAN FILTER PARTIKULAT ASAP ROKOK ELECTROSTATIC PRECIPITATOR DENGAN ELEKTRODA TEMBAGA DAN ALUMUNIUM Anggraini, Ika Novia
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 13 No. 2 (2023): Amplifier November Vol. 13, No. 2 2023
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v13i2.28056

Abstract

Cigarette smoke is a source of air pollution, especially indoors. The smoke from burning cigarettes doesn't just evaporate into the air, but there is nicotine residue that sticks to the dust or items around the smoker, such as clothes, carpets, walls. A smoke filter or smoke particulate filter is something that is really needed to reduce pollutants in the room. Research on "Testing Electrostatic Precipitator (ESP) Cigarette Smoke Particulate Filters with Copper and Aluminum Electrodes" aims to analyze the comparison of the use of copper and aluminum electrodes as filters on ESP. In this research, a high voltage DC generator was used using the full-wave cascade method, for the high voltage that was successfully generated by this full-wave cascade method was 2.25 kV to 5.46 kV. From the test results, it was found that the difference in (∆ levels between the inlet and outlet containers (∆ using a copper plate was higher than using an aluminum plate. In addition, it can be concluded that increasing the voltage causes more (∆ levels to be filtered.
Analisis Perubahan Besaran Listrik Pada Pemanas Induksi Menggunakan Inverter Setengah Jembatan Anggara, Sandy; Herawati, Afriyastuti; Priyadi, Irnanda; Anggraini, Ika Novia
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 10 No. 1 (2020): Amplifier Mei Vol. 10, No. 1 2020
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v10i1.15167

Abstract

AbstrakNowadays induction heating has become one of the people's choices in the heating process both in industry and households. Induction heating technology is also growing. But the electrical quantities that change with the temperature changes in the induction heating process must also be analyzed. To make induction heating, we need a device that is capable of producing large electrical energy. This tool uses a 12 Volt DC voltage, strong current 10 ampere and with a 120 watt input power. This induction heater is made using a half bridge inverter which generates heat through waves at high frequencies. The resonant frequency used is 25kHz. From the test obtained an average temperature increase of 134.5 ° C at the 600th second with a paper clip load and with a voltage of 3.33 Volts, a current of 0.15 A, a power of 0.56 watts, and a heat of 19.5J, and a test with a load nails obtained an average temperature of 136 ° C at 360 seconds with a voltage of 4.54 V, a current of 0.27 A, power of 1.12 watts, and a heat of 33.6JKata kunci : Pemanas Induksi, frekuensi, suhu, Solenoide.
Sistem Proteksi Motor Induksi 3 Fasa Terhadap Bermacam Gangguan Menggunakan Mikrokontroller Darmawansyah, Darmawansyah; Rosa, M Khairul Amri; Anggraini, Ika Novia
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 10 No. 1 (2020): Amplifier Mei Vol. 10, No. 1 2020
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v10i1.15168

Abstract

ABSTRACTIn the current era of globalization, various human jobs depend on electrical equipment such as three-phase induction motors. Three-phase induction motors are very important to use according to their roles and functions. The occurrence of voltage variations in the electric power system is due to the magnitude of the voltages between the three phases which are not the same so that there are differences in the angle of the R, S and T phases, which causes an uneven load overload in the electrical distribution system. Among the disturbances that can occur are overvoltage, under voltage, unbalance voltage between phases, overload, and overheating. Based on these problems, a three-phase induction motor protection system was designed, the system uses current, voltage, temperature sensors, which functions to measure the value when a disturbance occurs, a magnetic contactor as a breaker and a liaison when the disturbance is given in accordance with the set point value given to the microcontroller. The results of the research for unbalanced voltage of V1 112 V, V2 114 V, V3 108 V, overvoltage of V1 228 V, V2 207 V, V3 264 V, over current of A1 104 A, A2 107 A, A3 0.77 A , the overload on the resistance source is 333 ?, 250 ?, 200 ?, 167 ?, and the overheating is 40.75 ºC at 6.5 minutes with tripping conditions in each test. The final results of this study indicate that the protection system which is designed is better used for three-phase induction motors.Keywords: unbalaced, disturbances, protection systems, sensors, magnetic contactor, microcontroller.
Aplikasi Lucutan Plasma Corona Dalam Pengolahan Limbah Cair Kelapa Sawit Pamungkas, Adityo; Anggraini, Ika Novia; Rosa, M. Khairul Amri; Herawati, Afriyastuti
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 10 No. 2 (2020): Amplifier November Vol. 10, No. 2 2020
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v10i2.15313

Abstract

ABSTRACT The green revolution in the field of palm oil farming not only contributes to processed products but also produces large-capacity waste originating from its processing starting from the sterilization process, water from the clarification process, hydro cyclone (clay bath) water, and factory washing water. Palm oil mill effluent (LCPKS) contains dissolved and suspended solids in the form of colloids and oil residues with high BOD and COD. If this liquid waste is discharged directly into the water, it can pollute the environment. Some will settle, decompose slowly, consume dissolved dcxdcoxygen, cause turbidity, emit a sharp odor and can damage the aquatic ecosystem. To improve the parameters in the LCPKS so that it is feasible to flow to water bodies or the environment, an LCPKS treatment experiment test is performed by applying corona discharge with variations in voltage and length of time, then comparing the effect on parameters such as BOD, COD, pH and TDS on LCPKS before treatment and after treatment. From the treatment process using a corona discharge application with variations in voltage and time able to reduce BOD levels up to 35%, COD 36%, increase in TDS reached 71.56% and decreased pH by 4.11%.Key words: Palm oil mill effluent (LCPKS), Corona discharge application (Corona Discharge Treatment), COD, BOD, TDS, pH
Analisis Pengaruh Sudut Penyalaan TRIAC terhadap Pengaturan Kecepatan Motor Induksi Satu Fasa Menggunakan Cycloconverter Herawati, Afriyastuti; Saputra, Muhammad Alvin; Anggraini, Ika Novia
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 11 No. 1 (2021): Amplifier Mei Vol. 11, No. 1 2021
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v11i1.15766

Abstract

ABSTRACTA single-phase induction motor is one type of electric motor that is most widely used in everyday’s life, especially for running small loads. The application of this single phase induction motor is not only in households but also in shops, shopping centers, and industry. In its operation, single-phase induction motors can be operated with constant speed and variable speed. The operation of a single-phase induction motor at a constant speed can be done by inputting the nominal voltage and frequency of the motor. Meanwhile, the operation of a single-phase induction motor with varying speeds can be done by adjusting the input frequency of the motor. In this study, an induction motor speed control was carried out using a cycloconverter to regulate the speed of a single-phase induction motor by changing the input frequency of the motor into three variations, namely f / 1, f / 2 and f / 3 at the base frequency of 50 Hz. The cycloconverter switching was designed using TRIAC and then a study was carried out on the effect of the TRIAC’s firing angle on the speed, voltage and output power of the motor by varying firing angles by 0?, 30?, 45?, 60? and 90?. The result show, it is found that increasing the firing angle, the motor output voltage decrease, the motor output power also decrease, except at the angle of 60 ? rises then at the angle of 90 decrease again, while the motor speed increases at the same frequency.  Keyword: cycloconverter, firing angle, TRIAC.
RANCANG BANGUN ALAT PASTEURISASI NON THERMAL DENGAN PULSED ELECTRIC FIELD (PEF) Anggraini, Ika Novia; Simarmata, Elsara Krysti; Daratha, Novalio; Herawati, Afriyastuti; Rodiah, Yuli
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 11 No. 2 (2021): Amplifier November Vol. 11, No. 2 2021
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v11i2.16383

Abstract

ABSTRACTPackaged beverages have become a product that is very much on the market both internationally and nationally. In the process of making packaged beverages, in order to last longer the microbes in the drink must first be inactivated in order for the drink to last longer, the microbial inactivation process in the drink is called pasteurization. Convernsional pasteurization is done by heating the drink to be in production. But the high temperature of the drink can change the taste, color, and even nutrition of the drink. This is underpinning the non-thermal pasteurization process by using high voltage impulses (Pulsed Electric Field,PEF). PEF is a technology that utilizes high voltage DC to produce a field between two electrodes. Pateurization occurs when between electrodes there is milk that is flowed with high voltage DC. High voltage generation is performed using flyback transformers with voltage output up to 30 kV. In the pasteurization process given 6 voltage variations namely 5, 10, 12,5, 15, 20, and 30 kV. Pasteurization results are then tested in fmipa microbiology laboratory to find out the success of the tools that have been made. In each voltage variation it is obtained that all treatments have reached pasteurized milk quality standards based on SNI where at 5kV voltage variation can inactivat microbes up to 83.33%, voltage variation of 10kV can inactivat microbes up to 94.5%, At a voltage variation of 12.5 kV can inactivae microbes up to 83.6%, 15kV voltage variation can inactivae microbes up to 88.8%, while voltage variation of 20 kV can inactivae microbes up to 84.2% and at voltage variation 30 kV can inactivae microbes up to 84.8%.Key Words: PEF, Flyback Transformer, ZVS Driver, Pasteurization.
Perhitungan Suhu Pada Bushing Transformator Unit II GI Pekalongan dengan Metode Elemen Hingga Herawati, Afriyastuti; Rosa, Muhammad Khairul Amri; Surapati, Alex; Handayani, Yanolanda Suzantry; Anggraini, Ika Novia; Rodiah, Yuli; Nugraha, Andi
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 12 No. 1 (2022): Amplifier Mei Vol. 12, No 1 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v12i1.21310

Abstract

The reliability of the power transformer depends on the performance of the its bushing. Transformer bushings subjected to hot conditions or high temperatures for a long period of time can cause bushing failure. Bushing failure can result the damage such as bursting of the conservator tank, explosion and fire. The purpose of this study was to determine the temperature hot spot on the transformer bushing at the Unit II Pekalongan Substation (GI) in order to avoid the damage of transformer. The method that used to analyze the hot spot temperature on the transformer bushing is the finite element. The finite element method is carried out by dividing the bushing parts into small elements to be calculated so that the hot spot temperature value on the transformer bushing is obtained. The result of the highest hot spot temperature on the transformer bushing which were carried out four times using the finite element method is . Based on the IEEE standard, the hot spot temperature of transformer bushing can’t be more than . This result showed that transformer bushng of Unit II Pekalongan Substation are still in the normal category.
Analisis Aliran Daya Pada Sistem Stand Alone Pembangkit Listrik Tenaga Mikro Hidro (PLTMH) Al Hanan Dengan Metode Newton Rhapson Herawati, Afriyastuti; Putra, Ripo Utama; Handayani, Yanolanda Suzantry; Anggraini, Ika Novia
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 12 No. 2 (2022): Amplifier November Vol. 12, No. 2 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v12i2.24504

Abstract

Analysis of power flow in the power system is used to determine the parameters of the system itself. The benefit of the power flow analysis is to determine whether the amount of power in the electric power system still meets the predetermined limits, as well as to determine the number of existing losses, and to obtain the initial conditions for planning the new system. To solve the power flow problem, a power flow simulation can be performed using ETAP software. Simulations were carried out using the Newton-Rhapson method to determine the flow of power during the rainy and dry seasons. The results of the power flow simulation in the rainy season show that the highest active and reactive power values ​​are found in bus 1, namely 156.78 kW and 101.77 kVAR, while the simulation during the rainy season shows the highest active power and reactive power in bus 1, which is 137.85 kW and 88.97 kVAR. Then the highest voltage drop in the rainy season is 3.11% and the dry season is 2.78%. The Newton-Rhapson method requires 2 iterations to reach a convergent value.
Rancang Bangun Pembangkitan Generator Marx 10 Tingkat pada Uji Kapasitor 220 pF dan Lightning Protector Rodiah, Yuli; Putri, Nilda Tri; Anggraini, Ika Novia; Herawati, Afriyastuti; Rizki, M.
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 12 No. 2 (2022): Amplifier November Vol. 12, No. 2 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v12i2.24945

Abstract

The Marx generator circuit is an impulse voltage multiplier that is used to represent lightning overvoltage and switching overvoltage. In this research, a 10-level Marx Generator impulse generator design was carried out by varying the distance between the spark gaps of 2.5mm, 5.0mm, 7.5mm, and 10.0mm and the test load was a 220pF capacitor and a lightning protector. The results of the design and simulation of the 10-level Marx Generator produce an impulse voltage according to the IEC 60060-1 lightning impulses standard, which is 20.20kV with a wavefront and tail time of 2.29 µs and 52.3 µs. The test results for the 220pF capacitor load at a distance of 2.5 mm, the resulting voltage is 23.5 kV with a wavefront and tail time of 1.7 µs and 25 µs, while the lightning protector test load produces a voltage of 24 kV, with a wavefront and tail time of 2.1 µs and 43 µs
Design of an Off-Grid Solar PV System for a Renewable Energy-Based Home in Bengkulu Rinaldi, Reza Satria; Herawati, Afriyastuti; Anggraini, Ika Novia; Helmizar, Helmizar
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 7 No 3 (2025): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/motivection.v7i3.449

Abstract

Bengkulu Province has a solar energy potential of 3,475 MW, with an average daily solar irradiance duration of 5.9 hours in 2022 and 8.3 hours in 2023. This study designs an off-grid solar PV system for a renewable energy-based home (REH) model in the coastal area of Bengkulu City. The REH is a home with electrical energy independence that utilizes renewable energy systems to generate electricity. This study focuses on the REH powered by solar energy, intended for a modest home with a power capacity equivalent to a 900 VA PLN customer classification. The data on solar energy potential in the coastal area of ​​Bengkulu City used in this study is from the Global Solar Atlas. The data analysis confirmed the need for the REH model to generate electricity from solar energy, requiring 12 units of 120Wp PV modules in a PV array. An appropriate solar charge controller for this REH model is the MPPT SCC with a rating of 48 V 30 A. Based on the selected PV modules and the daily load of the REH model, the required 48 V battery capacity is 300 Ah, and the PSW Inverter 2,000 VA 48 V.
Co-Authors Andi Nugraha Anggara, Sandy Daratha, Novalio Darmawansyah Darmawansyah Handayani, Yanolanda Suzantry Helmizar Herawati, Afriyastuti Irnanda Priyadi Nilda Tri Putri Pamungkas, Adityo Putra, Ripo Utama Reza Razali, Makmun Reza Satria Rinaldi Rizki, M. Rodiah, Yuli Rosa, M Khairul Amri Rosa, M. Khairul Amri Rosa, Muhammad Khairul Amri Saputra, Muhammad Alvin Simarmata, Elsara Krysti Sri Wahyuni, Ade Surapati, Alex Sutradi, Tri