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All Journal Jurnal Mekanik Terapan Journal of Research and Publication Innovation
Ricky Ardiansyah
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Automotive Engineering Computer Science & IT Energy Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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PENGARUH ECONOMIC VALUE ADDED DAN MARKET VALUE ADDED TERHADAP RETURN SAHAM PADA PT. HANJAYA MANDALA SAMPOERNA PERIODE 2013 - 2022 Ricky Ardiansyah; Kartono
Journal of Research and Publication Innovation Vol 3 No 1 (2025): JANUARI
Publisher : Journal of Research and Publication Innovation

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Abstract

This research aims to determine the effect of Economic Value Added and Market Value Added on Return at PT. Hanjaya Mandala Sampoerna Tbk for the period 2013-2022. This research method uses quantitative with an associative approach. based on the t test results obtained that Economic Value Added has a tcount value of 7,422 > ttable 2,36462 and a significant value of  0,000 < 0,05, this means that Economic Value Added partially has a posisitve and significant effect on Return, while Market Value Added has a tcount value of 4,365 > ttabel 2,36462 and a significant value of 0,014 < 0,05. This shows that Market Value Added partially has a posisitve and significant effect on Return. The results of the f test, obtained a fcount value of 27,741 > Ftable 4,74 with a significant value 0,000 < 0,05. This shows that Economic Value Added and Market Value Added simultaneously have a positive and significant effect on Return.
Analisis Sistem Proteksi pada Motor Circulating Water Pump PT. XYZ Andi Ulfiana; Ricky Ardiansyah; P. Jannus
Jurnal Mekanik Terapan Vol 5 No 2 (2024): Agustus 2024
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v5i2.6030

Abstract

PT. XYZ melakukan penggantian motor circulating water pump tetapi alat proteksi yang digunakan belum disesuaikan dengan motor yang baru. Hal tersebut sangat berbahaya bagi peralatan, manusia maupun lingkungan sekitar. Penelitian ini bertujuan untuk melakukan setting ulang alat proteksi sehingga diperoleh koordinasi relay proteksi dan memberi perlindungan pada sistem. Penelitian dilakukan dengan melakukan perhitungan arus setting Over Current Relay (OCR) berdasarkan data eksisting motor circulating pump dan relay yang digunakan.. Motor yang digunakan adalah motor induksi 3 phasa. Relay yang digunakan adalah NARI RCS-9626CN. Hasil penelitian didapatkan arus nominal sebesar 105 A, arus sekunder setelah melewati current transformer sebesar 2,625 A, Arus setting pada OCR I, II dan III sebesar 19,6875 A, 3,9375 A dan 10,2375 A. Waktu setting pada OCR I, II dan III sebesar 0,02 s, 14 s dan 12 s. Arus setting pada over load relay sebesar 3,2025 A dengan waktu setting 24 s. Relay tidak akan bekerja saat starting motor dimana arus motor yang sangat besar terjadi dalam waktu singkat. Relay hanya akan bekerja saat terjadi arus lebih setelah melewati waktu starting
Co-Authors Andi Ulfiana Kartono P. Jannus