Muldi Yuhendri

• Dr
• Lecturer at State University of Padang

This paper presents the control strategy of an isolated hybrid wind-diesel geneator system with battery energy storage. The system consists of permanent magnet synchronous generator (PMSG) driven by a wind turbine, battery energy storage system (BESS) and diesel generator. The back to back converter and buck-boost dc/dc converter is applied to supp...

The strategy to improve both efficiency and power quality of grid-connected wind turbine generator systems (WTGs) are presented. WTGs efficiency is improved by developing a variable speed control to obtain maximum power at all wind speeds. Variable speed control based on Adaptive Type-2 Fuzzy Sliding Mode Control (AFSMOC) is proposed by employing V...

The maximum power of Wind Turbine Generators (WTGs) can be obtained by adjusting the rotor speed at the optimum Tip Speed Ratio (TSR), so that the Maximum Power Point Tracking (MPPT) algorithms is needed to obtain the reference speed. The conventional MPPT such as Pertubartion and Observation (PO), a reference speed is determined by a constant step...

The Output power of wind turbine is determined by wind speed. The Output power can be adjusted by controlling the generator speed and pitch angle of wind turbine. When the wind speed below the wind turbine rated, the output power of generator can be maximized by controlling the generator speed at point of maximum power coefficient. When the wind sp...

This paper introduces an application of Linear Quadratic Regulator (LQR) based on Genetic Algortihm (GA) for improving the stability of modular matrik converter. GA is used for constructing the weighting matrices Q and R of LQR. To design controller, the converter is analyzed in small signal model and steady state model. Stability performances of c...

Abstrak Becak motor adalah salah satu alat transportasi darat yang masih banyak digunakan masyarakat terutama untuk jarak dekat. Salah satu kekurangan penggunaan becak motor untuk transportasi adalah belum tersedianya standar tarif bagi penumpang. Dalam paper ini diusulkan argometer untuk menentukan tarif becak motor berdasarkan jarak tempuh. Tampi...

This paper discusses a single-phase boost inverter that functions to increase and convert DC voltage to AC. A boost inverter is a combination of two DC-DC boost converters that can be operated as an inverter with a load connected in an opposite direction between the two converters. The boost inverter in this final project is implemented with an Ard...

One kind of power converter that is frequently found in devices that employ a DC voltage source to produce a voltage output higher than the input voltage is the boost converter. The boost converter output voltage converter must be adjusted in order to produce the desired voltage output. This research suggests utilizing an Arduino Mega 2560 microcon...

To achieve the desired DC voltage, a variety of DC-DC converter types are employed, including buck converters, which can generate output voltages lower than the input voltage, boost converters, which can generate output voltages higher than the input voltage, and buck-boost converters, which can raise and lower the output voltage value based on the...

One method to reduce power loss in wind power plants is by using a low-speed generator that can connect directly to a wind turbine without a gearbox. Low-speed generators require significant mechanical torque, necessitating the wind turbine to produce substantial mechanical torque at low speeds. This requirement can be met by increasing the number...

Many industrial devices operate using movements operated by electric motors. One type of motor that is widely used in industry is the three-phase induction motor. In order for the motor to operate according to needs, the motor needs to be controlled, such as controlling the rotation speed, controlling the direction of rotation, braking and starting...

The development of technology, particularly in the field of robotics, is increasingly influencing various aspects of life, including the organization of robot contests which are attracting more participants. The Indonesian Robot Contest (KRI) and the ABU Robocon Indonesia Robot Contest (KRAI) are competitions involving broad participation from acro...

Peternakan itik petelur adalah salah satu usaha sampingan masyarakat nagari Salareh Aia Kecamatan Palembayan Kabupaten Agam, Sumatera Barat. Biasanya bibit itik di daerah ini diperoleh dari penetasan dengan induk ayam yang kapasitasnya terbatas. Untuk meningkatkan kapasitas itik petelur dilakukan peningkatan kapasitas bibit itik melalui program pen...

The source of energy used in everyday equipment is electrical energy. Starting from a small scale from household needs to a large scale as an energy source for industry, there are two types of voltage commonly used for various purposes, namely alternating voltage or also known as alternating current (AC) and direct voltage or direct current (DC). T...

Various electrical equipment uses direct voltage (DC) as its power source, such as electronic equipment, dc motors and so on. Direct voltage (DC) used in electrical equipment usually consists of various voltage ratings ranging from 1.5 volts, 3 volts, 6 volts 12 volts and others. To get a direct voltage (DC) that suits the needs of the equipment, t...

Permanent magnet synchronous generator is one type of generator that is widely used for small-scale power generation, because it can be operated at low speed, so it does not require a gearbox in its operation. This paper proposes the manufacture of a low speed axial flux permanent magnet synchronous generator that can be used for small-scale electr...

Abstrak INFO. Penelitian ini bertujuan untuk meningkatkan kinerja pompa air melalui implementasi sistem kontrol dan monitoring yang efisien serta terhubung ke HMI dan internet. Dalam penelitian ini, dilakukan pemrograman melalui PLC Siemens S7-1200 1215C DC/DC/Relay. HMI KTP 700 Basic digunakan sebagai antarmuka pengguna yang memudahkan monitoring...

Pembangkit listrik tenaga angin adalah salah satu jenis energi terbarukan yang mulai berkembang di Indonesia. Pembangkit listrik tenaga angin ini menggunakan turbin angin untuk mengkonversikan daya angin menjadi daya mekanik yang akan menggerakan generator listrik. Generator yang digunakan pada pembangkit listrik tenaga angin ini memiliki batas mak...

Berbagai macam pembangkit tenaga listrik menghasilkan daya listrik dalam bentuk tegangan searah, seperti panel surya, fuel cell, baterai dan sebagainya. Peralatan ini menghasilkan daya listrik dengan tegangan yang bervariasi. Disisi lain, beragam peralatan listrik juga menggunakan tegangan searah dengan berbagai level tegangan, seperti, 12 Volt, 24...

Energi merupakan kebutuhan masyarakat yang harus dipenuhi. Energi yang selama ini digunakan adalah energi fosil atau energi yang tidak terbarukan. Produksi energi yang meningkat menyebabkan ketersediaan bahan baku energi menjadi menurun. Hal ini mendorong pemerintah untuk meningkatkan peran energi baru terbarukan dengan memanfaatkan energi terbesar...

Kebutuhan terhadap energi listrik saat ini semakin meningkat seiring dengan pesatnya perkembangan peralatan-peralatan yang menggunakan daya listrik dipakai oleh manusia dalam kehidupan sehari-hari. Mulai dari peralatan rumah tangga, peralatan perkantoran sampai pada peralatan produksi di industri. Umumnya daya listrik untuk peralatan-peralatan ini...

Tujuan dari penelitian ini adalah untuk mengoptimalkan pengoperasian motor induksi 3 fasa dengan mengimplementasikan sistem kontrol dan monitoring yang efisien dan dapat diakses secara jarak jauh melalui jaringan internet. Pada penelitian ini, dilakukan pemrograman dan pengaturan parameter pada ATV 12 untuk mengendalikan kecepatan motor induksi 3 f...

Beragam peralatan listrik maupun elektronik yang beroperasi dengan tegangan searah menggunakan baterai sebagai sumber energi listriknya. Sebagian besar baterai tersebut dapat diisi ulang dengan charger sehingga dapat digunakan dalam jangka waktu yang lama. Pengisian baterai dengan charger perlu dikendalikan dan dimonitor agar tidak terjadi sesuatu...

Setiap produk makanan pasti akan mengalami proses kimiawi disebabkan oleh aksi penuaan, bakteri, dan jamur yang menghasilkan panas respirasi dan pembusukan. Usaha untuk memperlambat proses tersebut adalah dengan menurunkan suhu ruangan penyimpanan produk makanan. Untuk mengatasi hal tersebut dirancanglah ruangan penyimpanan yang dapat menjaga suhu...

Pada era revolusi industri 4.0 saat ini, industri akan memasuki dunia virtual serta penggunaan mesin-mesin automasi yang terintegrasi dengan internet sehingga efek yang ditimbulkan dari penerapan teknologi ini adalah meningkatnya efisiensi produksi dan terjadi peningkatan produktivitas serta daya saing. Pada bidang olahraga tenis lapangan, teknolog...

Beragam peralatan listrik menggunakan suplai tegangan searah untuk pengoperasiannya. Sumber tegangan tegangan searah ini bisa diperoleh dari baterai, panel surya dan sebagainya. Beragam rating tegangan searah yang digunakan oleh peralatan listrik. Untuk mendapatkan nilai tegangan yang lebih besar dari sumber, dapat digunakan konverter dc-dc boost....

One of the Practice courses for the D3 Electrical Engineering study program at the Electrical Engineering Department is Electrical Machine Control Practice. One of the materials given in this Electric Machine Control Practice is servo motor control. Along with technological developments, in the electrical energy conversion laboratory as a place for...

This research aims to control the position of servo motors based on Human Machine Interface (HMI) and Internet of Things (IoT). This system uses an HMI interface and internet network to control and monitor the motor's position. Servo motors can be controlled with a closed feedback system (close loop) where the position of the motor will be informed...

Abstrak INFO. Penelitian ini bertujuan untuk mengembangkan sistem kendali dan monitoring Pembangkit Listrik Tenaga Surya (PLTS) berbasis antarmuka manusia mesin (HMI) dan Internet of Things (IoT). Sistem ini menghubungkan antara manusia dengan mesin yang peka terhadap teknologi IoT untuk memantau dan mengendalikan PLTS secara efisien. Melalui antar...

Abstrak INFO. Air adalah kebutuhan penting bagi kelangsungan hidup, tanpa air tidak ada kehidupan di dunia ini. Daerah yang permukaan tanahnya lebih tinggi dari sumber air dan daerah yang bergelombang sulit menerima air secara terus menerus. Salah satu cara untuk memenuhi kebutuhan air terutama di tempat yang lebih tinggi dari mata air adalah denga...

Technological developments, electronic components and circuits have resulted in a direct voltage supply system that is produced by converting the input DC voltage to another form of DC voltage with a higher output utilizing a boost converter circuit, using a low source voltage where the output voltage can be changed according to user requirements....

The solar panel monitoring system based on the human machine interface is a system that can control and monitor the power generated by solar panels in the form of voltage, current, power, temperature, and solar radiation parameters in real time. PLC is used to monitor the panel work system in a long distance by utilizing PLC communication as an ind...

One of the practicum courses for the D3 Electrical Engineering study program in the Electrical Engineering Department is Electrical machine control practicum, some of the learning materials are about induction motor control with PLC which in the learning process uses trainers that are already based on PLC and equipped with HMI as teaching aids, but...

The practice of electrical machines is one of the learning activities for undergraduate students of Electrical Engineering Education which is carried out in the form of practice in the laboratory. This practical activity requires a worksheet as a guide for students to practice. Based on the observations made, the jobsheets used in the electrical ma...

The Induction motors are electric motors that are widely used as propulsion in industry, because of their simpler construction, relatively cheap prices compared to other types of motors, lighter weight and easier maintenance compared to DC motors. To get the induction motor operation as desired, the motor needs to be controlled and supervised or mo...

Panel surya merupakan salah satu sumber energi terbarukan untuk pembangkit listrik yang menggunakan cahaya matahari sebagai sumber utamanya. Daya output panel surya ditentukan oleh temperatur dan radiasi cahaya matahari yang mengenai panel surya tersebut. Daya panel surya memiliki satu titik maksimum pada setiap perubahan temperatur dan radiasi cah...

Masih banyak mahasiswa yang belum familiar akan fitur Big Blue Button ini dikarenakan belum optimalnya sosialisasi terhadap fitur yang ada di E-learning. Selain itu, banyak dosen yang lebih memilih menggunakan zoom cloud meetings karena pemakaiannya lebih mudah dan stabil. Penelitian ini bertujuan untuk menganalisis efektivitas penggunaan E-learnin...

Banyak generator berkecepatan rendah telah dikembangkan untuk pembangkit tenagalistrik, di karenakan tidak memerlukantambahangearbox, sehingga lebih efisien. Permanent Magnet Synchronous Generator (PMSG) merupakan salah satu jenis generator yangbanyak dikembangkan untuk generator kecepatan rendah. Salah satujenis PMSG yang dikembangkanuntuk generat...

This study aims to analyze the Study of Effect of the Role of Parents and the School Environment on the Learning Outcomes of Class X Students in Basic Electrical and Electronics Subjects During the Covid-19 Pandemic At SMKN 1 Koto XI Tarusan. The type of research that the author does is a type of quantitative research with a causal associative appr...

This study aims to determine the effectiveness of using E-learning as a learning medium during the COVID-19 pandemic in the January-June 2021 semester of the Technology and Vocational Education study program, Padang State University. This research is descriptive research with quantitative method. Data collection techniques using a questionnaire giv...

Pertumbuhan penduduk yang semakin meningkat menyebabkan kebutuhan energi terus meningkat, namun peningkatan ini tidak dapat lagi diimbangi dengan ketersedian sumber utama energi primer tesebut, sehingga saat ini dikembangkan sumber energi terbarukan. Pembangkit listrik tenaga angin merupakan energi terbarukan yang dimanfaatkan sebagai sumber energi...

Catu daya DC merupakan serangkaian komponen elektronik yang dapat menyuplai tegangan DC ke komponen elektronik lainnya. Setiap perangkat elektronik membutuhkan tegangan suplay yang berbeda-beda. Karena penggunaan catu daya yang luas ini, diperlukan suatu sistem yang dapat mengkonversikan tegangan DC dari suatu tingkat tegangan ketingkat tegangan la...

Solar panels are a renewable energy power plant that uses sunlight as its main energy source. The power generated by solar panels are determined by the size of the solar panels, solar radiation and temperature. The power of the solar panels is also determined by the output voltage of the solar panels. To get the maximum output power at any time, it...

Energi listrik yang dihasilkan dari sebuah pembangkit akan disalurkan pada sebuah subsistem yang dinamakan dengan single machine infinite bus, tetapi gangguan pada sistem single machine infinite bus seperti perubahan beban secara acak pada sisi pembangkit dapat mengakitbatkan kestabilan sistem berubah sehingga sistem single machine infinite bus tid...

Based on the source used, there are several types of converters, one of which is a voltage source converter (VSC). In this study, using a converter that can work as an inverter. In industry, an inverter is useful for supplying the AC voltage source from industrial plants with DC sources, by varying the voltage and output frequency of the inverter....

Education is a systematic process to increase the dignity of human development in a holistic manner, which enables the full potential of individuals so that the aspirations of developing Indonesian people as a whole can be achieved. Completeness of equipment or facilities is the level of achievement in the form of the number of facilities that are...

The rapid development of technology to date has made many electrical and electronic equipment that require a direct current (dc) voltage source whose output voltage can be adjusted to the needs of the user. There are several direct voltage levels that are commonly used by electrical and electronic equipment. To get a direct voltage that can be used...

Basic Electrical and Electronics Subjects are basic subjects that must be studied by students. In the implementation of learning, there is a lack of handle modules for students, so that students' learning motivation is low which has an impact on learning outcomes. The availability of adequate teaching materials will certainly increase learning moti...

Energy listrik merupakan sumber energi yang banyak digunakan dalam kehidupan sehari hari salah satunya aki. aki merupakan tempat penyimpanan sumber listirik yang praktis yang mudah dibawa dan digunakan sesuai kebutuhan sehari hari. Sedangkan jika aki dipakai terus menerus maka tegangan aki akan menjadi kosong , oleh sebab itu diperlukan pengisian u...

This research is motivated by several things, namely the limitations of supporting books for student books, students still have difficulty mastering the learning material well. This study aims to develop a valid and practical student worksheet for Microprocessor and Microcontroller Programming in SMKN 1 Koto XI Tarusan. The research method uses the...

Electrical Lighting Installation is a training course that is studied by class XI students in the Electrical Power Installation Engineering skill competency of SMK. In the learning process students find it difficult to learn the material provided by the teacher. In connection with the current situation, namely the Corona or Covid-19 Pandemic. The g...

Artikel ini membahas tentang perancangan sebuah rangkaian converter DC-DC tipe Boost Converter(Penaik tegangan). Rangkaian ini menggunakan GUI (Graphical User Interface) sebagai monitoring. Untuk menaikkan tegangan Boost Converter dilakukan dengan mengatur PWM (Pulsa Width Modulation) menggunakan potensio. Arduino sebagai kontroler penerima respon...

Wind power is a type of renewable energy power plant that is starting to develop in Indonesia. This plant uses wind turbines to convert wind power into mechanical power that will drive the generator. The generators used in this wind power plant have limited capabilities. In order to prevent operation that exceeds the capacity of the generator, it i...

DC (Direct Current) motor is one of drive which is widely used in industry. DC motor as a drive has several advantages compared with AC (Alternating Current) motor. One of the advantages use DC motor as drive in industry because has a starting big torque and rotation speed motor can be set up easily in the range wide variation of rotation. One of s...

Solar power plant (PLTS) is a renewable energy power plant that is starting to develop in Indonesia as fossil energy is decreasing as the main energy source for electricity generation. This PLTS works by converting sunlight energy into electrical energy using solar panels. Increasing the efficiency of PLTS can be done by controlling the solar panel...

This study aims to produce valid and practical Powerpoint media in basic electricity and electronics subjects in class X (SMKN) 5 Padang. To achieve this goal, the authors develop the media using research and development methods with the following steps : (1) analyzing the need to determine the problem, (2) determining KD in determining material ne...

Direct current (dc) voltage sources are one of the voltage sources most widely used for various purposes. Dc voltage can be obtained from a dc generator or by converting an ac voltage into a dc voltage using a power converter. There are several dc voltage levels that are commonly used by electrical and electronic equipment. To get a dc voltage that...

Pompa air tenaga surya adalah salah satu alternatif penyediaan air bersih untuk daerah yang belum terjangkau jaringan listrik. Pompa air tenaga surya membutuhkan peralatan yang dapat menaikan tegangan panel surya sesuai dengan rating tegangan motor pompa air dan inverter untuk mengkonversikan tegangan dc panel surya menjadi tegangan ac sesuai denga...

Distance learning carried out during the COVID 19 pandemic requires learning materials that students can use independently. One of the learning sources that can be used independently is the learning module. This study proposes the development of a workshop work subject module and technical drawings for class X Audio Video Engineering students at th...

One of the practical subjects in the Electrical Power Installation Engineering department of SMK Negeri 2 Sawahlunto is the installation of an electric motor. One of the factors that support the smooth implementation of the practicum is the availability of a jobsheet as a guide in practice. In this study, a jobsheet was developed to obtain a valid...

Clean water is one of the most vital needs for a mosque. Clean water is generally taken from wells using electric water pumps. The use of water pumps is often a problem in areas where the electricity network is often off, as happened in the Raya Mosque of Nagari Salareh Aia, Palembayan District, Agam Regency. To overcome this problem, a solar autom...

Motor speed control requires motor speed data as feedback from control actions. Motor speed data is usually obtained from the speed sensor. In this paper, the motor speed observer for permanent magnet synchronous motor is proposed to obtain motor speed data based on motor back emf voltage making it more economical without a speed sensor. The Speed...

Super chicken is one type of chicken that began to be developed to get better meat with a faster harvest. Super native chicken seedlings can be obtained from broiler broodstocks with males from native chickens. In this paper, an automatic egg incubator is proposed to increase the productivity of super native chicken seedlings developed in Nagari Sa...

Sistem kelistrikan sangat berperan penting pada peternakan ayam, terutama untuk pembibitan anak ayam yang menggunakan mesin tetas telur dan untuk pemanasan dan penerangan pada kandang day old chicken (DOC). Dalam program pengabdian masyarakat ini diusulkan sistem kelistrikan hibrida untuk kandang terpadu di sentra peternakan ayam kampung di Nagari...

Wind turbines function as producers of mechanical power to drive generators in wind power plants. One factor that needs to be considered in the operation of wind turbines is the maximum capacity of the generator. Wind turbines must operate below the generator rating so as not to cause damage to the generator. Therefore, the operation of the wind tu...

DC motor is one type of electric motor that is widely used in industry to support the production process. The DC motor speed must be controlled so that it operates in accordance with the desired speed. In this paper, The DC motor control system is proposed using an one quadrant DC chopper based on proportional Integral (PI) controller. The control...

Motorcycle pedicab is one of the land transportation vehicles that are still widely used by the community, especially for short distances. One of the disadvantages of using a motorcycle pedicab for transportation is the unavailability of standard fare for passengers. In this paper, a taximeter is proposed to determine motorcycle pedicab rates based...

Variable speed control of wind turbine generator systems have been developed to get maximum output power at every wind speed variation, also called Maximum Power Points Tracking (MPPT). Generally, MPPT control system consists of MPPT algorithm to track the controller reference and generator speed controller. In this paper, MPPT control system is pr...

This paper proposes the sparse matrix converter as variable speed drives of a direct driven wind energy conversion system (WECs), because its features can provide excellent power quality at both sides of the converter and does not require dc-link energy storage. Variable speed control of the WECS is proposed to get maximum power of the generator on...

Matrix converter is a good choice for Permanent Magnet Synchronous Motor (PMSM) drives, because it has high power density and does not require dc-link energy storage. the disadvantages of conventional matrix converter is using 18 active switches, so it becomes expensive and the modulation method becomes more complicated than back to back converter....

Matrix converter is a good choice for Permanent Magnet Synchronous Motor (PMSM) drives, because it has high power density and does not require dc-link energy storage. the disadvantages of conventional matrix converter is using 18 active switches, so it becomes expensive and the modulation method becomes more complicated than back to back converter....

Abstrak— Pembangkit listrik tenaga angin umumnya menggunakan konverter daya untuk menyalurkan daya ke konsumen. Selain itu, konverter daya juga digunakan untuk mengendalikan pembangkit dari sisi generator, seperti kendali kecepatan untuk daya output maksimum. Dalam paper ini diusulkan Very Sparse Matrik Konverter (VSMC) untuk pembangkit listrik ten...

This paper describe the performance of three phase induction motor braking 2.2 kW/3 hp, 50Hz, 230/380V, 8, 7/5,0 Amp, 1430 rpm by using programmable logic control (PLC) based control system. The performance of the braking system is obtained by comparing the time required by the motor to stop between the braking system mechanism with non braking sys...

This is paper proposes a variable speed control scheme of stand alone wind power generation system to produce the maximum output power, which is based on a Neural Network Counterpropagation (NNCP) and Fuzzy Logic Controller (FLC). The generation system using the squirrel-cage induction generator, which is operated in direct field oriented control m...

Makalah ini mengusulkan model konverter untuk mendapatkan daya output generator yang maksimum pada pembangkit listrik tenaga angin stand alone. Daya output maksimum didapatkan dengan mengendalikan kecepatan generator pada titik daya maksimum dan mengurangi rugi daya pada kondisi tunak. Pembangkit menggunakan generator induksi tiga fasa rotor sangka...