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All Journal Jurnal SPEKTRUM IDEAS: Journal on English Language Teaching and Learning, Linguistics and Literature International Journal of Engineering and Emerging Technology Energy, Materials and Product Design

I Made Suartika

Department Of Electrical And Computer Engineering, Udayana University

Author-ID : 2460193

Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering

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PENGARUH SUDUT BUKAAN GUIDE VANE DAN TEKANAN AIR TERHADAP KECEPATAN PUTAR DAN DAYA OUTPUT PADA PROTOTYPE PEMBANGKIT LISTRIK TENAGA MIKROHIDRO DENGAN TURBIN CROSSFLOW I Wayan Arta Wijaya; I Made Dwi Mertadiyasa; I Made Suartika
Jurnal SPEKTRUM Vol 7 No 4 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The pattern of power plants development in Indonesia is still relying on the availability of fossilfuels based energy sources. Meanwhile, Human are faced with a situation of depleting reserves offossil energy sources and increasing environmental damage due to the use of fossil fuels basedenergy sources. Renewable Energy development can be a solution to these problems. One of them isthe development of a Micro Hydro Power Plant. In the realization of Micro Hydro Power Plant inIndonesia, the crossflow water turbine type can be used. It is a type of impulse turbine with a goodcharacteristic at a low head for micro-scale generator capacity. This study analyzes the effect of guidevane opening angle and water pressure on rotation and output power of crossflow turbine. Theopening angle of the guide vane studied was 15º, 30º, 45º, 60º, 75º, and 90º in each water pressurecondition of 4 psi, 8.5 psi and 13 psi. The test is carried out by simulating direct measurements on theprototype of the Micro-hydro Power Plant that has been built. Every combination of parameterstested, the maximum value of rotational speed and output power is obtained at the guide vaneopening angle of 30º and water pressure of 13 psi. Turbine rotation values generated before and aftercoupled with a generator are 591.9 rpm and 522.7 rpm. The values of the generator rotation beforeand after the load coupled are at 3490 rpm and 2368 rpm. And the power value generated by thegenerator is 11.8 Watts.

Designing Data Warehouse at the Impatient and Outpatient (Case Study: Sanglah Hospital) Putu Veda Andreyana; Putu Angelina Widya; Made Suartika
International Journal of Engineering and Emerging Technology Vol 2 No 1 (2017): January - June
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

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

The growth of patient data increasing the hospital resulted in even harder to compile data and analyze the data manually, so it takes a data warehouse that can perform this task automatically. The design of the data warehouse Sanglah hospital aims to build a data warehouse that can store data in structured and easier to analyze the data to make a decision. Design methods Fact Constellation Schema and method used is a Nine-step methodology consisting of nine stages, namely the Electoral Process, Selection of Grain, identification and adjustment of the dimensions, the Electoral Facts, Storage pre-calculation in the fact table, Ensuring the dimension tables, the Electoral duration database, Track changes of dimensions is slowly, prioritization and query model. Designing Data Warehouse Sanglah Hospital helpful enough for data processing in large enough quantities, so expect the needs and information about the patient can be met. Data warehouse Sanglah Hospital can be used to analyze patient data in order to get information on the number of patients of various dimensions

RANCANG BANGUN GEROBAK SORONG SEMI-OTOMATIS BERPENGGERAK MOTOR DC DENGAN MENGGUNAKAN METODE PULSE WIDTH MODULATION Yozi Abdullah Haqiqi; I Made Suartika; I Nyoman Setiawan
Jurnal SPEKTRUM Vol 9 No 4 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The wheelbarrow is a tool for transporting material in mining, plantation, and other areas that is pushed by one person with two rear handles and one wheel in the front. However, its use still requires and relies on a large amount of human power. The workers still have to expend energy to push the wheelbarrow which of course will be very heavy if the load is added in the wheelbarrow. Therefore, it is necessary to add an additional driving force to the wheelbarrow that can help the workers so that they can save their energy and also can make work more efficient. This wheelbarrow will use a DC motor as the driver and use Arduino uno with the PWM method as the control system. In addition, the tool will use a Lithium-ion battery so that it is more durable and can be easily recharged. The battery used has a voltage of 24V and a capacity of 9Ah. This semi-automatic wheelbarrow that uses a dc motor can help work faster up to about 32.5% more efficiently than without using a dc motor. In addition to being more efficient in use, wheelbarrows with dc motors also make it easier for users to use these tools compared to wheelbarrow without dc motors.

PENGARUH VARIASI JUMLAH SUDU TERHADAP EFISIENSI PADA PROTOTYPE PEMBANGKIT LISTRIK TENAGA MIKROHIDRO (PLTMH) DENGAN MENGGUNAKAN TURBIN VORTEX Kadek Rekha Agustha; Lie Jasa; I Made Suartika
Jurnal SPEKTRUM Vol 9 No 3 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Micro-hydro power plants using vortex turbines have the advantage that their operation can be carried out at low levels of falling water or head. One of the problems that exist in vortex turbine is there is no equation to determine the maximum output generated by the number of blades used. Based on the problems described, a prototype of micro-hydro power plants using vortex was made to test the variations in the number of blades to get the best efficiency. The prototype test in this study used a turbine with various number of blades of 3, 5, and 9 blades. Based on the research conducted, the increase of micro-hydro power plant prototype performance equals to number of blades used. When the system was set with a discharge of 4.5 liters per second paired with a turbine consisted of 9 blades which produced 303.8 rpm of turbine rotation before coupled by the generator and 230.5 rpm after coupled by the generator, the generator rotation was 653.5 rpm, the generator output voltage was 8.29 Volts, generator current output was 0.046, generator power output was 0.387 Watt, torque was 0.0393 Nm, and the highest efficiency was 2.92%

ANALISIS DAYA OUTPUT GENERATOR BERDASARKAN VARIASI DEBIT AIR PADA PROTOTYPE PLTMH DENGAN TURBIN VORTEX I Gusti Ngurah Agastya Citranath; Lie Jasa; I Made Suartika
Jurnal SPEKTRUM Vol 9 No 3 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Vortex turbine is a reaction water turbine that can utilize energy from low headed waterway. The power output of generator on microhydro power plant will differ depend on the input parameters used, such as water flow rates. Hence, this research goal is to find out the power output of generator from various water flow rates with an artificial waterway on a vortex turbine within the microhydro power plant prototype. This research consist a free variable of water flow rates of 2,5 l/s, 3,5 l/s, and 4,5 l/s using 9 blades turbine and paralel load lamps. From the experiment, raises of water flow rate is proportional to the increase of generator’s power output. The power output generated by each water flow rates used are 0,085 W at 2,5 l/s water flow rate, 0,256 at 3,5 l/s, and 0,387 at 4,5 l/s. Based on the experiment, it can be concluded that the increase of input water flow rate is equal to the increase of the power output generated by the generator. It is caused by the rotation of the turbine will be adjusted by the water flow rate used.

RANCANG BANGUN PROTOTYPE TURBIN VORTEX UNTUK PEMBANGKIT LISTRIK TENAGA MIKROHIDRO (PLTMH) Gede Pudja Dianda Mayapada; Lie Jasa; I Made Suartika
Jurnal SPEKTRUM Vol 9 No 3 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

MHPP is a run of river hydroelectric power plant type, that does not require a large dam or water discharge, but rather diverts the flow rate of water into a channel. Vortex turbine utilizes whirlpool of water obtained from the spiral basin shape to push the turbine to rotate. The reason of this research was to decide the design of the MHPP prototype using a vortex turbine. This prototype is a miniature or laboratory scale. This research is designed to model the MHPP prototype using a Vortex turbine which is helpful for learning before it is implemented directly to the river. In this study, the prototype MHPP with vortex turbine was designed with a 0.3 m head, 1.5 dim input pipe, 4.5 L/s water flow, basin with an upper diameter of 40 cm, 40 cm height and 12 cm outlet and 41° cone angle. The runner blade design has 9 blades with a runner outer diameter of 15 cm, 5 cm neck diameter, and 5 cm runner width. This prototype is able to generate power of 0.387 Watt and has an efficiency of 2.93%.

PENGARUH FILTER AKTIF TERHADAP LOSSES TRANSFORMATOR DI FAKULTAS TEKNIK UNIVERSITAS UDAYANA BUKIT JIMBARAN DENGAN FUZZY LOGIC CONTROLLER MENGGUNAKAN SIMULINK I Kadek Indra Jana Martana; I Wayana Arta Wijaya; I Made Suartika
Jurnal SPEKTRUM Vol 10 No 1 (2023): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2023.v10.i01.p10

Harmonics in the electrical system can have a negative impact on the quality of the electrical energy being distributed. Harmonics are phenomena that arise due to the operation of non-linear electrical loads. Thus causing the formation of waves with a frequency that is different from the fundamental frequency. Total harmonic distortion (THD) is the effective value of waves affected by harmonics so that they can affect power losses. This study analyzes the power losses in the KA4214 transformer at the Faculty of Engineering, Udayana University, Bukit Jimbaran. The method used is to carry out simulations and analysis of the results of harmonic measurements carried out in existing conditions using active filters, and using active filters with fuzzy logic controllers and then compared with IEEE 519-2014 standards. The simulation results from using an active filter with a fuzzy logic controller obtained the smallest current THD value of each phase, namely R = 0.28%, S = 0.71% and T = 0.72% with the resulting power losses of 0.0009905 kW.

RANCANG BANGUN SISTEM KONTROL DAN MONITORING SUHU PADA RUANG FREEZER BERBASIS ESP8266 (STUDI KASUS PADA PT. AEROFOOD ACS DENPASAR) Komang Dody Pramudya Indra Jaya; I Gede Dyana Arjana; I Made Suartika
Jurnal SPEKTRUM Vol 10 No 2 (2023): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2023.v10.i02.p10

The temperature control and monitoring system in the freezer room has an important role in maintaining the quality of food raw materials. Freezer space is used to store food raw materials to keep them fresh and undamaged. However, if the temperature in the freezer compartment is not properly monitored, food raw materials may be damaged which can affect their quality and safety. Therefore, an IoT-based temperature control and monitoring system in the freezer room was created using Wemos D1 R2. The design of this prototype uses hardware, namely the WeMos D1 R2 microcontroller based on ESP8266 because it can be connected to WiFi, DHT22 temperature sensor, I2C LCD and relay. The results of this prototype design are being able to read the temperature and humidity of the freezer room and having a temperature control system that can be seen on the Blynk application on a smartphone by displaying the temperature and humidity values. The conclusion from this study is that the prototype has succeeded in controlling the temperature of the freezer room as well as monitoring the temperature and humidity of the freezer room and displaying it on the Blynk application on a smartphone and has a warning notification when the temperature rises above -18 degrees celsius.

An Analysis of Assertive Speech Act in Donald Trump Inauguration 2025 Speech in YouTube I Made Suartika; Ida Ayu Putri Gita Ardiantari
IDEAS: Journal on English Language Teaching and Learning, Linguistics and Literature Vol. 13 No. 2 (2025): IDEAS: Journal on English Language Teaching and Learning, Linguistics and Lite
Publisher : Universitas Islam Negeri Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/ideas.v13i2.7906

This study aims to identify and explain the types and functions of assertive speech acts used in Donald Trump’s 2025 inauguration speech. The data were taken from a video entitled “Donald Trump Inauguration Speech 2025” uploaded on the official CNN YouTube Channel (accessed on February 5, 2025, with a duration of 23 minutes and 14 seconds, and 5.8 million views at the time of analysis). This research employs a qualitative descriptive approach, referring to Searle’s (1979) theory of illocutionary speech acts. The findings show that out of 56 assertive utterances, there are five types of assertive speech acts: claiming (25%), stating (21.43%), complaining (19.64%), reporting (17.86%), and explaining (16.07%). The claiming type was the most frequently used, indicating that Trump often emphasized his beliefs and evaluations of the political situation to strengthen his message and shape the audience’s perception. This study expands the application of speech act theory in political contexts and provides insight into how language is strategically used to build legitimacy, trust, and a leader’s image.

PENENTUAN WAKTU STANDAR PENGGANTIAN OLI SHOCK DENGAN TsA-1 (TOOL SHOCK ABSORBER) DI BENGKEL PT. ASTRA INTERNATIONAL TBK-HONDA SALES OPERATION MATARAM I Made Suartika; A.A. Alit Triadi; I G.N.K. Yudhyadi; Sahram
Energy, Materials and Product Design Vol. 1 No. 1 (2022): Energy, Materials and Product Design
Publisher : Jurusan Teknik Mesin dan Industri, Fakultas Teknik, Universitas Mataram

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

Honda Sales Operation Mataram is a company engaged in distribution, retail and vehicle maintenance workshops. Existing workshops become a job for some communities and help improve the economy of the community. It is an important concern considering that it is the mechanics who are the main spears in service. From this, a company needs human resources that are able to work effectively and efficiently. To produce human resources that work effectively and efficiently, proper human resource planning and management is needed to encourage the achievement of the company's vision and mission. In planning and managing time it is necessary to take measurements of working time and update existing resources or the need for a tool to accelerate the pace of productivity in the company. One of them is in the oil shock and seal shock changes, and made TsA-1 (shock absorber tool) to make it easier for mechanics to work and know the comparison of time in completing a job, where the normal time obtained by using ordinary tools in oil shock changes is 39.38 minutes and the normal time obtained using TsA-1 (shock absorber tool) in shock oil change is 33.52 minutes. So the mechanic is faster to do his job using TsA-1 (Tool shock absorber), where the time difference is 5.86 minutes. The standard time obtained using a regular tool is 41.45 minutes and the standard time using TsA-1 (tool shock absorber) is 35.28 minutes. Mechanics using the TsA-1 (shock absorber) tool are 6.17 minutes faster than regular tools. And for the replacement of seal shock obtained a normal time of 53.36 minutes with a regular tool, 51.70 minutes using TsA-1 (Tool shock absorber). Mechanics are faster to do their work in 1.66 minutes using TsA-1 (Tool shock absorber). The standard time of seal shock replacement with a regular tool is 56.16 minutes, and 54.42 minutes using TsA-1 (Tool shock absorber). Mechanics using TsA-1 (shock absorber) are 1.74 minutes faster than regular tools.

Co-Authors A.A. Alit Triadi Achmad Zainuri Anak Agung Gede Maharta Pemayun Anak Agung Maharta Pemayun Anak Agung Maharta Pemayun Ayu Rahmawati Dewa Made Wiharta Doni Helmahera Fahrurrozi Fransiskus Xaverius Saav Agus G. A. M. Dwi Ade Saputra Gede Pudja Dianda Mayapada I G.N.K. Yudhyadi I Gede Dyana Arjana I Gst Agung Putu Raka Agung I Gusti Ngurah Agastya Citranath I Gusti Ngurah Dwipayana I Kadek Agus Yodha Bhaskara I Kadek Indra Jana Martana I Kadek Satrya Anggara Putra I Ketut Suantika I Komang Gede Darma Yasa I Made Adi Sayoga I Made Dwi Mertadiyasa I Made Mara I Made Nuarsa I Made Yoga Dwipayana I Nyoman Setiawan I Nyoman Sudiatmika I Putu Adhe Putra Novantara I Putu Gede Surya Angga Pranata I Putu Wijaya Adi Candra I Wayan Arta Wijaya I Wayan Joniarta I Wayan Pasek Suyadnya I Wayan Rinas I Wayana Arta Wijaya I.B.G. Manuaba I.D.K. Okariawan Ida Ayu Putri Gita Ardiantari Ida Bagus Alit Ida Bagus Gede Manuaba Irwan Kurnia Yulianto Kadek Ary Susiawan Kadek Dwiky Sadha Widiarta Kadek Rekha Agustha Komang Dody Pramudya Indra Jaya l Gusti Ngurah Janardana Lie Jasa Linawati Linawati Made Wijana Nyoman Agus Nugraha Ginarsa Pande Putu Teguh Winata Putu Andi Dinata Putu Angelina Widya Putu Veda Andreyana Rukmi Sari Hartati Sahram Syahrul Tri Rachmanto Yozi Abdullah Haqiqi

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