Basic Electrical Principles Research Articles

Pengaruh Media Trainer terhadap Hasil Belajar Praktek Instalasi Listrik Komersil Mahasiswa Pendidikan Teknik Elektro

Electrical installation learning is the process of understanding how to install, maintain, and repair electrical systems. This includes an understanding of basic electrical principles, safety codes and standards, and best practices in the installation and maintenance of electrical equipment. This study aims to evaluate the effect of using media trainers in practical learning of commercial electrical. Installations on the learning outcomes of electrical engineering education students. The research method used was a quasi-experiment with a nonequivalent design. The samples for this research were two groups of students, each consisting of 10 people. One group received learning using trainer media, while the control group received conventional learning. Learning outcome data is collected through a final test which includes cognitive, affective and psychomotor aspects. The results of data analysis show that the use of media trainers significantly improves student learning outcomes in all aspects measured compared to conventional learning. The implication of these findings is the importance of using technology in supporting practical learning in the context of electrical engineering education.

Exploring Gaussian elimination based solution methods of electric systems using circuit principles

AbstractIn power system simulation, the mathematical solution methods are typically regarded as pure numerical operations, which are independent of the circuit principles. In this letter, it is demonstrated that the computational procedures in the commonly used numerical solution methods for circuit equations are essentially equivalent to the basic principles of electricity. The computational procedures of the representative Gaussian elimination based solution methods (including GE and pivoting method for sparsity of GE/LU) are comprehensively analyzed and their deep relationships with the circuit principles are revealed: the computation process of these mathematics based numerical solution methods can be completely explained using circuit principles. The interesting findings could help understand the computational process of solution methods from the circuit perspective, which may also guide the design of new circuit solution methods.

Electrical and Fire Safety in the OR

In the OR, electrical shocks and fire represent two very important risks and they occur more commonly than most people recognize. Electrical and fire safety in the OR is every team member’s responsibility. Prevention is the first step, but when incidents occur, optimal outcomes depend on concerted efforts. Thisapproach, along with a comprehensive electrical and fire safety program, is a continued effort to create a safer healthcare environment for every worker and patient. Understanding the basic principles of electricity and fire safety is the first step towards this goal. Unfortunately, many institutions do not involve the key players (surgery and anesthesia department members) in the education and preparation process. By involving all team members, optimal outcomes for patients at this vulnerable time may be achieved. Our patients expect us to know the risks and management of these potentially life-threatening occurrences. This chapter endeavours to facilitate these goals. This review contains 9 figures, 3 tables, and 51 references Keywords: electrosurgical unit, fire extinguisher, ground fault circuit interrupter, grounding, ignition source, line isolation monitor, macroshock, microshock, Ohm law

Design and implementation of a microcontroller-based adjustable voltage automatic battery charger

Battery chargers come in different shapes, sizes and capacities, but it is difficult (if not rare) to find one charger unit that regulates overcharge and can charge different battery voltages. This work uses the basic electrical principles and ICs, to design a user friendly charger circuit that manually adjusts the voltage depending on the voltage of the battery, (6volts, 9volts and 12volts was considered because it is generally available). The circuit charges in three modes namely: Burst charging, trickle charging and pulse charging. It also incorporates a Liquid Crystal Display (LCD) to display the voltage that is being charged. The circuit also uses a Pulse Width Modulator (PWM) in order to control the duty cycle and voltage. The circuit also has an overcharge and over discharge protection. This remarkable charger saves the user time and resources needed to purchase three different chargers for three batteries, with different voltages. From the result obtained the built battery charger was able to charge 6volts (10Ah), 9volts (1200mAh) and 12volts (10Ah) battery to 100% state of charge. The charging time for the 6volts battery was 2hours 24 minutes, 2 hours 36 minutes for the 9volts battery and 2 hours 30 minutes for the 12volts battery.Keywords: Burst Charge, Depth-Of-Discharge DOD, Pulse Charge, State-Of-Charge SOC, Trickle charge, Duty Cycle

Support for Augmented Reality Simulation Systems: The Effects of Scaffolding on Learning Outcomes and Behavior Patterns

An AR-based simulation system that integrates background knowledge and experimental support (AR-SaBEr) was designed as a learning tool for teaching basic principles of electricity to ninth-grade students. The aim of this study was to investigate how supporting the learner focus on meaningful activities affects behavior and learning performance. The sample was 82 students, who were randomly assigned to two groups. The control group used AR-SaBEr with no support for recommending activities. The experimental group had personalized extra support designed to help learners focus on the subject matters that they did not master. The study found that learners from the experimental group showed better learning achievements than those who participated in the control group. Furthermore, learners’ behavioral patterns were dependent upon the support received. Learners from the control group were more willing to browse information about activities than to read about the subject before experimenting. Learners from the experimental group browsed information about prior to carrying them out and read about the subject matter prior to experimentation. The observed behavioral patterns and learning achievements suggest that in augmented reality based simulation environments, it is worth providing mechanisms to focus the attention of students on the most relevant topics for them.

Augmented Reality-Based Simulators as Discovery Learning Tools: An Empirical Study

This paper reports empirical evidence on having students use AR-SaBEr, a simulation tool based on augmented reality (AR), to discover the basic principles of electricity through a series of experiments. AR-SaBEr was enhanced with knowledge-based support and inquiry-based scaffolding mechanisms, which proved useful for discovery learning in Web-based simulation environments. Learning performance factors evaluated included students' learning behavior while interacting with the system, AR-SaBEr's learning effectiveness, and students' motivation in using the AR-based simulation environment. The study suggests that AR simulators can be exploited as effective learning environments for learning the basic principles of electricity. It would, however, be necessary to consider a number of scaffolding options to improve the learning effectiveness of AR-based simulation environments when used with students who have low levels of either: 1) self-regulation skills, or 2) motivation to engage in AR-based simulation activities.

Alternatives in evaluating multimedia in secondary school science teaching

While different approaches to evaluation will yield different results, depending on the purpose of the evaluation this article describes an evaluation approach that was aimed at investigation the mental models of users of the programme. The study was driven by questions about the differences in mental models of the instructional designers and the learners, the time learners spent working through the program and the observable changes in their mental models. In this design experiment, a program was developed to teach basic principles of electricity. Three boys and three girls one each of high, medium and low achievement in science were selected from an advantaged urban school, and a similar sample was taken from a disadvantaged rural school. They were asked to draw their impressions of various concepts of electricity and then allowed free access to the program, where they could visit any section even if they had not completed a previous one. Afterwards they were asked to draw sketches again. Other instruments included an opinion questionnaire and observation of the learners working with a “think aloud” protocol. It was found that there were considerable differences in the mental models of the learners and designers about what to expect from computer-based learning. While navigational freedom allowed fast learners to move through work that they knew already, weaker learners tended to get lost. The sketches that learners made before and after exposure to the program provided valuable insights into the growth of their understanding of the concepts.

Electrosurgery

Electrosurgery (diathermy) has been in widespread use for many years. However, few surgeons understand its principles or dangers. This review explains the basic principles of electricity and electrosurgery and how the fundamental difference between them is the frequency of the alternating current. The very-high frequency (radio-frequency) of the alternating current allows it to be passed through tissue without the risk of electrocution for the purposes of cutting and coagulation, but the same high frequency is associated with other dangers. The important concepts of capacitance and current density are explained and the danger of non-contract activation with high voltages is highlighted. The contribution explains how the tissue effect achieved is influenced by several factors, including the choice of electrode and the generator output mode. Although electrosurgical equipment may be inherently safe, the dangers arising from poor technique are discussed and recommendations for safe practice are made.

Protecting the Patient from Electrical Hazards

Electrical accidents are a potential problem wherever electrical equipment is used. Microshock is an ever-present hazard with the electrically sensitive patient. All health care personnel must be aware of the potential dangers as well as the many advantages offered by the use of electrial instruments in modern diagnosis and therapy. Electrical safety will be promoted by: understanding the basic principles of electricity; knowledgeable use of equipment; and a hospital-wide electrical safety and training program. Today’s health team includes not only physicians, nurses, technicians, and administrators, but also electricians, engineers, and architects. Their sharing of information and expertise is essential for safe patient care. Each has an essential role in protecting patients and personnel from the hazards of macroshock and microshock.

Fundamentals of Electroencephalography

This book presents the fundamentals of electroencephalography in an organized and lucid manner. The author's extensive experience at the University of Michigan Medical School provides a wealth of theoretical and practical material concerning cerebral electrical activity in health and disease. Basic electrical principles are discussed by Basman in an introductory chapter, followed by chapters on instrumentation and electrical fields. Six chapters are devoted to the neurophysiologic basis of the electroencephalogram and these provide the foundation for a function-ori ented approach to electroencephalographic interpretation. Ample illustrative electroencephalographic tracings present the various normal and abnormal patterns, and the value of the computer averaging technique in studying cerebral evoked responses is shown. The author wisely emphasizes the principle that no brain wave pattern is considered specific for establishing a clinical diagnosis, but the usual electroencephalographic abnormalities encountered in the major categories of central nervous system disorders are described in the final third of

Suffern, Maurice Grayle. Basic Electrical Principles. New York: McGraw‐Hill Book Company, Inc., 1949. 430 p. $3.20

Science EducationVolume 34, Issue 5 p. 336-336 Book Review Suffern, Maurice Grayle. Basic Electrical Principles. New York: McGraw-Hill Book Company, Inc., 1949. 430 p. $3.20 First published: December 1950 https://doi.org/10.1002/sce.37303405106Citations: 3AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article.Citing Literature Volume34, Issue5December 1950Pages 336-336 RelatedInformation