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Journal of Mathematics, Statistics, and Applications
Published by PT. Lontara Digitech Indonesia
ISSN : -     EISSN : 30897076     DOI : https://doi.org/10.61220/jmsa
Core Subject : Education,
Mathematics
Journal of Mathematics, Statistics, and Applications process of peer review and open access with e-ISSN: 3089-7076 published twice a year in June and December in the field of Mathematics, Statistics and Applications.Publish the results of research, original thinking, development, teaching, popular writing, and book studies in the fields of Mathematics, Computational Mathematics, and Statistics.
Arjuna Subject : Matematika - Matematika Terapan
Articles 31 Documents
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Modifikasi Sistem Kontrol Aliran Main Cooling Water Pump 5 (MCWP 05) Menggunakan Variable Speed Drive (VSD) untuk Efisiensi Energi Fauzan Fadillah
Journal of Mathematics, Statistics and Applications Vol. 3 No. 1 (2026): Mei
Publisher : PT. Lontara Digitech Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61220/

Abstract

The Main Cooling Water Pump (MCWP) is a critical component in Combined Cycle Power Plant (CCPP) operations. In conventional systems, the pump motor runs at a fixed speed, and flow/pressure adjustments are made using throttle valves, leading to significant electrical energy waste. This study aims to analyze the implementation of a Variable Speed Drive (VSD) on the 828 kW MCWP 05 motor to replace mechanical valve regulation. Based on operational testing from August 23, 2025, to October 29, 2025 (2 months 6 days), the VSD integration achieved electricity cost savings of IDR 1.257 billion against an initial capital expenditure of IDR 4.5 billion. Financial feasibility analysis indicates a Payback Period (PBP) of approximately 6 months of operation. These findings imply that digitalizing induction motor speed control significantly improves both operational and financial efficiency in power plant cooling systems.

Page 4 of 4 | Total Record : 31

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