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Wahana : Tridarma Perguruan Tinggi
Published by Universitas PGRI Adi Buana Surabaya
ISSN : 08534403     EISSN : 26544954     DOI : https://doi.org/10.36456/wahana.v75i2
Core Subject : Humanities, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Humanities Education Engineering Languange, Linguistic, Communication & Media
Journal Wahana Tridharma Perguruan Tinggi Received research papers and literature review studies on Multidisciplinary sciences consisting of applied science, social sciences and humanities, education, psychology, law, engineering, health and pharmacy, technology, management, economy, accounting and business. Journal Wahana Tridharma Perguruan Tinggi is managed by the Institute for Research and Community Service, Universitas PGRI Adi Buana Surabaya
Arjuna Subject : Umum - Umum
Articles 565 Documents
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Performance Analysis of SF6 Circuit Breakers: Case Study of Rungkut 150 kV Main Substation Reza Sarwo Widagdo; Puji Slamet; Fernanda Eka Saputra
Wahana Vol 76 No 1 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v76i1.8487

Abstract

Electrical energy transmission plays an important role as a means of distributing electrical energy from generation to distribution and consumers. During the process of distributing electrical energy, disturbances such as short circuits often occur. Therefore, there needs to be safeguards so that the distribution process runs well. One of the safety equipment in the main substation is the circuit breaker. Circuit breaker is a mechanical switch or switching equipment that can close, transmit or disconnect the load current under normal conditions or under abnormal conditions such as a short circuit. Problems with circuit breaker can be detrimental and disrupt the operation of the electric power system. If the circuit breaker does not work properly when a disturbance occurs, the disturbance can damage other devices and cause instability in the distribution of electrical power. Therefore, regular testing and maintenance must be carried out to ensure the circuit breaker is suitable for operation. The testing stages include SF6 pressure, insulation resistance, contact resistance, and circuit breaker contact simultaneity. The test results show SF6 pressure with a value above the circuit breaker nameplate, insulation resistance with a value above 150 MΩ, contact resistance with a standard value below 50 µΩ, and contact simultaneity testing is carried out by calculating the delta time when close and open on each phase in below the value of 10 ms. In accordance with the results of SF6 gas pressure testing, insulation resistance, contact resistance and circuit breaker synchronization at the 150 KV Rungkut Bay Line Main Substation, Surabaya Selatan, it is in operational condition.
EVALUATION OF “NEW LET’S TALK IN ENGLISH GRADE 1” Sudono Noto Pradono
Wahana Vol 76 No 1 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v76i1.8859

Abstract

The purpose of evaluation of “New Let’s Talk in English Grade 1” which is used for elementary students of grade 1 is intended to know whether this coursebook can be adopted or adapted by identifying the strengths and weaknesses. The writer evaluates the coursebook based on the checklist for evaluation and selection proposed by Cunningsworth. The writer can conclude that “New Let’s Talk in English Grade 1” cannot directly be adopted to use for teaching English language to grade 1 elementary students. However, it still can be adapted. The teachers who use this coursebook should be creative in sequencing the order of the units in this coursebook. Besides that, the teachers should use the target language only in teaching the grade 1 elementary students.
The Quality Assurance Acceleration Through Accreditation for Civil Service Universities in Indonesia Nashrul Hakiem; Sandra H. Afrizal
Wahana Vol 76 No 1 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v76i1.8897

Abstract

The Quality assurance for higher education is very important to ensure that the educational institutions provide quality services to students and the community. Currently, more than hundreds Civil Service Universities or Perguruan Tinggi Kedinasan (PTK) have been established in Indonesia. PTK is a governmental unit dedicated to improve the learning capacity of civil servants, so that the quality assurance is considered as the strategic role for the institutions to prepare the quality of human resources in the public sector. In order to improve the quality, accreditation is required as a standardized instrument for higher education to comply. This paper aims to explore the urgency of accreditation for civil service universities in Indonesia. The format of this paper is a policy brief, so the writing structure is structured as follows: Executive Summary, Policy Issue (Background), Problem Formulation, Impact of Non-Accredited PTK, Recommendations for Alternative Solutions, and Conclusion.
Analysis of the Effect of Profitability, Company Size, Liquidity, Managerial Ownership, and Audit Opinion on the Timeliness of Submitting Financial Reports Fatimatus Zehroh; Nur'Aini Rokhmania
Wahana Vol 76 No 1 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v76i1.8963

Abstract

The purpose of this study was to examine the effect of profitability, company size, liquidity, managerial ownership and audit opinion on the timeliness of financial reporting submissions in basic materials sector companies listed on the Indonesia Stock Exchange (IDX). The independent variables in this study are profitability, company size, liquidity, managerial ownership and audit opinion while the dependent variable is the timeliness of financial reporting submissions. The population in this study are companies registered on the IDX for the 2020-2022 period. The sample in this research is additional companies registered on the IDX for the 2020-2022 period in the basic materials sectors. The data collection technique used was purposive sampling, in order to obtain a sample of 62 companies with 169 data that match the criteria. The results of this research show that profitability and liquidity has an effect the timeliness of financial reporting submissions, while company size, managerial ownership and audit opinion has no effect on the timeliness of financial reporting submissions.
Level of Interest of Female Students at SMAN 1 Ambarawa to Participate in Extracurricular Futsal Charis Dwi Churnaiwan; Ibnu Fatkhu Royana; Osa Maliki
Wahana Vol 76 No 1 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v76i1.8972

Abstract

Futsal is a sport similar to football which is played indoors and played by 2 teams consisting of 5 people. The problem of this research is how interested female students of SMAN 1 AMBARAWA are in taking part in extracurricular futsal at school. This research aims to find out how interested female students at SMAN 1 AMBARAWA are in taking part in extracurricular futsal. This research is a quantitative descriptive research using a survey method. In this study, the sample used was class The data collection technique is in the form of a questionnaire using a Likert scale test. The research results will be further detailed into 2 factors, namely intrinsic and extrinsic. Where at 1). The intrinsic factor in the interest of female students at SMAN 1 Ambarawa to take part in extracurricular futsal can be categorized as very high with the number of students being 28 students, 56%. 2). External factors in the interest of female students at SMAN 1 Ambarawa Ambarawa to take part in futsal extracurriculars are in the very high category from 5 indicators including: a). Infrastructure facilities in the very high category with 43 female students (86%), b) environment in the high category with 26 female students (52%), c) Training indicators in the very high category with 37 female students (74%), d) Friends in the category very high with 34 female students (68%), e) Parents are in the very high category with 44 female students (88%) So it can be concluded that the interest of female students at SMAN 1 AMBARAWA in participating in futsal extracurriculars is in the very high category, which means the female students are very interested in take part in the futsal extracurricular that will be held
Analisis Kinematika Renang Gaya Dada 100 Meter Berbasis Kinovea Pada Atlet Putra Tingkat Senior Di Event Piala Walikota Surabaya Tahun 2023 Shinta Nuriyah Anwar; Hayati Hayati; Brahmana Rangga Prastyana; Billy Emir Rizkanto
Wahana Vol 76 No 1 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v76i1.9133

Abstract

Stroke Frequency (SF), Stroke Rate (SR), Stroke Length (SL) and Swimming Velocity (SV) in athletes are basic abilities that must be possessed to improve performance, so it is important to carry out kinematic analysis to determine the level of these basic technical abilities. This study aims to determine the kinematics of 100 m breaststroke swimming in male senior athlete participants in the 2023 Surabaya Mayor's Cup. Method: Data collection on men's 100 m breaststroke swimmers at the 2023 Surabaya Mayor's Cup event using a Sony Rx-10 Mark IV camera. After that, the data was analyzed descriptively quantitatively in the SPSS version 26 . Results: Data analysis shows the following results: SF at a distance of 25-50 m has an average of 13,9000 (strokes), at 75-100 m has an average value of 16,4000 (strokes) SL at 25-50 meters has an average -The average is 1.8400 with a frequent result of 2.08 (meters/cycle) then at 75-100 meters it has an average of 1.5480 and a frequent result of 1.47 (meters/cycle). While the SR at 25-50m has an average of 45.6100 (cycles/second) at 75-100 m has an average of 51.5950 (cycles/second). Conclusion: the results can be concluded that the most influential thing is muscle strenght, even though the SL decreases, the SR increases which causes the SV get better.
Comparison of E-Learning and Conventional Teaching in Lecturer Teaching Technique: Students' Perspective Akmal Bagus Jauhar; Hertiki Hertiki
Wahana Vol 76 No 2 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v76i2.9275

Abstract

The purpose of this study is to investigate the similarities and differences between lecturers' conventional (offline) and E-learning (online) teaching techniques. The research aims to uncover insights that contribute to the development of the language teaching and learning process. The objectives included examining the delivery of course content, assessment and evaluation, student perspectives, efficiency, flexibility, engagement, and distraction in both settings. This research utilized qualitative methods with a narrative approach. Data was collected through interviews with four students from the English Department at PGRI Adi Buana University Surabaya. The findings show that face-to-face and online learning have their own unique advantages. The students consider that the delivery of the subject matter and the assessment method are the same. However, the students stated that they prefer offline learning because of the direct interaction, discussion, and supportive environment. Online learning is recognized for its practicality, flexibility and energy efficiency, although challenges such as technical issues and disruptive behavior remain. Research shows that a balanced approach, which integrates offline and online methods, can create an optimal and inclusive learning environment. For students, active participation in both environments, using technology, and providing feedback to teachers is encouraged. Lecturers are encouraged to integrate teaching methods, utilize technology for engagement, and address distractions to create a conducive online environment. Future research should explore hybrid learning models, focus on specific technological tools, and conduct longitudinal studies to understand the sustained effects of blended learning approaches.
Analysis of the Effectiveness of Using Active Filters and Passive Filters in Reducing Harmonics Using a Power Simulator (PSIM) at PT. Delta Jaya Mas Reza Sarwo Widagdo; Puji Slamet Slamet; Cahyo Pangestu
Wahana Vol 76 No 2 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v76i2.9283

Abstract

The Extruder Machine at PT. Delta Jaya Mas plays a critical role in the production of rubber and PVC hoses, as well as molded rubber products. This process involves the use of a 3-phase synchronous motor and Variable Frequency Drive (VFD), which can introduce harmonics into the electrical system due to their non-linear load. These harmonics can cause waveform distortion, leading to decreased efficiency and potential equipment damage. To overcome this issue, a comprehensive research is being conducted utilizing the Power Simulator (PSIM) program to analyze the impact of harmonics and evaluate the effectiveness of both active and passive filters in reducing these unwanted distortions. Initial assessments of the Extruder SDP panel revealed elevated levels of Total Harmonic Distortion (THD) in the current phases, while the voltage phases remained within acceptable thresholds. Simulation results demonstrated that the active filter was able to significantly reduce THD to an impressive 1.57%, showcasing its effectiveness in harmonic mitigation. On the other hand, the passive filter also proved beneficial, albeit to a slightly lesser extent, achieving a reduction in THD to 34.07%. This ongoing research not only aims to assist PT. Delta Jaya Mas in implementing appropriate harmonic reduction measures for their Extruder Machine but also seeks to advance the understanding of harmonic analysis and filter applications.
Analisis Skrining Tuberkulosis Anak melalui MT (Mauntox Test) Terhadap Status Gizi Balita Indria Nuraini; reni umbarawati; Retno Setyo Iswati; Nurul Farida
Wahana Vol 76 No 1 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

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

Abstract

The Tuberculin Skin Test (TST) is a relevant tuberculosis diagnostic test, with sensitivity and specificity ≥ 90%. Nutritional status is an important factor in the occurrence of infectious diseases, including TB. Nutritional status greatly determines the body's ability to fight TB germs. Children with good nutrition can prevent the spread of the disease, while children with poor nutritional status or stunting can cause lung disease with large cavities at an early age. This research aims to determine Child Tuberculosis Screening via MT (Mauntox Test) on the Nutritional Status of Toddlers. The population of this study were toddlers aged 1-59 months with stunting. The stages of this research include: Scoring system, namely weighting symptoms or clinical signs in children suspected of having TB by carrying out anamnesis and physical examination (Symptom scoring and TB supporting examinations), Determining Status Toddler nutrition is measured anthropometrically based on height for age (TB/U) and (WW/U) with Z-Score, Tuberculin Test. Test data analysis using Logistic Regression, to see the level of influence of Tuberculosis Screening via the Mountox Test on the incidence of Stunting, while bivariate testing using chi square and multivariate testing using Logistic Regression. Research results: age, gender, immunization status and the results of the Mauntox screening test did not affect the nutritional status of toddlers, whether based on PB/U or BB/U because it was seen that the p-value was >0.10. Meanwhile, gender has a 1,258 times risk of stunting (PB/U) and age has a 2,054 times risk of very poor nutritional status (BB/U). The conclusion is that there is no effect of the Mauntox test on the nutritional status of toddlers
Model Kepemimpinan Kepala Sekolah Dalam Implementasi Kurikulum Merdeka Berbasis Proyek Agustina Rahmi; Saniyah Saniyah; Dwi Sogi Sri Redjeki; Sabariah Sabariah
Wahana Vol 76 No 1 (2024): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v76i1.9408

Abstract

The principal is the spearhead of the implementation of education in schools. However, in the field it was found that there was still inadequate understanding in the implementation of the Merdeka curriculum and the monitoring and evaluation system was less effective. The aim of this research is to explore the principal's leadership model in implementing the project-based Merdeka curriculum at SDN Sungai Gampa 2, implementation, and identify inhibiting factors and the solutions offered. This research uses qualitative methods with data collection techniques including observation, interviews and documentation. The results of the research show that the leadership model used by the Principal of SDN Sungai Gampa 2, namely: a) implementing transformational leadership, b) opening good communication with parents ensuring the availability of learning resources and encouraging teachers to improve their competence, and d) establishing needs-based policies. Meanwhile, the implementation of the leadership model carried out by the school principal, namely: a) improving the quality of service, b) to teachers, providing support in professional development and providing learning resources, and c) to parents, encouraging teachers to provide information related to child development and efforts to support the Merdeka curriculum. Meanwhile, the solutions taken by the school principal if there are challenges and obstacles are: a) identifying obstacles, b) providing advice and direction, c) evaluating the procurement of needed resources

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