Combination of Implementation of Antiphase and Overcurrent Relays for Protection of 0.75 kW Three-Phase Induction Motor in Industry

Authors

  • Purbo Widagdo Tri Atmojo Dept. of Electrical Engineering, Faculty of Engineering, Universitas Bhayangkara Surabaya, Surabaya, Indonesia.
  • Amirullah Amirullah Dept. of Electrical Engineering, Faculty of Engineering, Universitas Bhayangkara Surabaya, Surabaya, Indonesia. http://orcid.org/0000-0003-2452-723X

DOI:

https://doi.org/10.26418/elkha.v16i2.78739

Keywords:

unbalance load, antiphase, over current, relay, induction motor

Abstract

Three-phase induction motors are the most widely used type of motor in industry. These motor operations are generally susceptible to unbalanced voltage disturbances. This interference is caused by the loss of one or two phases on the input side of the motor. This source voltage disturbance then causes an unbalanced current which flows to the coil, causing a phase shift, overheating the coil, and if left for a long time, it causes the motor to burn out. The research aims to design and implement a combination of antiphase relay (APR) and overcurrent relay (OCR) to prevent voltage drops due to failure of one or two phases and overcurrent to prevent overheating and fires in three-phase induction motor coils. Motor testing is carried out by adjusting the magnitude of the three-phase motor source voltage in three testing stages, i.e., tests A, B, and C, under no-fault conditions, 1-phase open and 2-phase open conditions respectively. The direct test results are then validated with ETAP simulations. In direct testing, A, B, and C can produce a current and relay working time of 6 A-31.04 s, 7.1 A-20.98 s, and 8.3 A-14.93, respectively. Meanwhile, testing using ETAP simulation can produce current and relay working times of 6A-31.366 s, 7A-20.599 s, and 8A-14.822 s respectively. The combination of an APR and an OCR can detect and interrupt voltage drops and overload currents in systems connected to 0.75 kW three-phase induction motors in the industry.

Author Biographies

Purbo Widagdo Tri Atmojo, Dept. of Electrical Engineering, Faculty of Engineering, Universitas Bhayangkara Surabaya, Surabaya, Indonesia.

PURBO WIDAGDO TRI ATMOJO was born in Mojokerto on October 22 1999. In 2019 he continued his studies at the Department of Electrical Engineering, Faculty of Engineering, Bhayangkara University Surabaya, Surabaya, Indonesia and graduated in November 2023. Now he works at PT Keramik Diamond Industries, Bambe, Gresik.

Amirullah Amirullah, Dept. of Electrical Engineering, Faculty of Engineering, Universitas Bhayangkara Surabaya, Surabaya, Indonesia.

Amirullah was born in Sampang, East Java, Indonesia, in 1977. He received B.Eng and M.Eng degrees in electrical engineering from the University of Brawijaya Malang and ITS Surabaya, in 2000 and 2008, respectively. Since 2002, he has also worked as a lecturer at Universitas Bhayangkara Surabaya and now has an associate professor. He obtained a doctoral degree in electrical engineering from ITS Surabaya in 2019 from the Power System and Simulation Laboratory (PSSL). He has 18 publications in Scopus with an h-index 8. His research interest includes power distribution modeling and simulation, power quality, harmonics mitigation, filter of filter/power factor correction, and renewable energy base on artificial intelligence. He also has been an IEEE member since 2019.

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Published

2024-10-21

Issue

Section

Vol. 16 No.2 October 2024