Analysis of Load Variations in the Electrical Circuit Practice Module

Muchlishah; Nuha Nadhiroh; Muhamad Rasyid; Ramli Muzakki; Yohanes Gerpasi Rumbewas

doi:10.32493/epic.v8i1.43622

Authors

Muchlishah Politeknik Negeri Jakarta
Nuha Nadhiroh
Muhamad Rasyid
Ramli Muzakki
Yohanes Gerpasi Rumbewas

DOI:

https://doi.org/10.32493/epic.v8i1.43622

Keywords:

DC current, Electrical Circuit Module, Load Variation

Abstract

In electrical engineering education, understanding the basic concepts of electrical circuits is very important for university students. However, they often have difficulty understanding the concepts without practical experience. Electrical circuit practice modules offer a solution by allowing students to conduct hands-on experiments and observe how electrical components behave in various configurations. This research analyzes the load variation on an electrical circuit practice module designed for learning. The main focus is to compare the measurement results between series and parallel circuits with DC sources, analyze the characteristics of RL circuits with DC currents, and examine the power factor in resistive, inductive, and capacitive loads. The research method involves experimental testing using an electrical circuit practice module equipped with various electrical components such as resistors, inductors, and capacitors. The practical module uses a DC voltage source with a value of 12V which is used for each test. In a resistor series circuit, a decrease in total resistance causes the current to increase, for example from 0.02A with a voltage of 10V to 0.38A with a voltage of 12V on a 10Ω resistor. In the resistor-inductor (RL) circuit, an increase in inductance causes a decrease in current from 0.25A to 0.12A. Meanwhile, in the resistor-inductor-capacitor (RLC) circuit, the addition of a capacitor does not result in a significant decrease in current, voltage, or power, this is because the capacitor functions to store electrical energy. This research provides insights for the development of a more effective practical module for learning electrical circuits, allowing students to understand abstract concepts through hands-on experience.

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