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All Journal Journal of Mechanical Design and Testing (JMDT)
Novarino Herdyan Minanta
Department of Electrical Maintenance, PT. PLN Indonesia Power Pro POMU, Jakarta, Indonesia
Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Motor Control Center Breaker Modification Through On/Off Switch to Prevent Motor Failure Ahmad Rosyiddin; Imam Maulana Arief; Novarino Herdyan Minanta
Journal of Mechanical Design and Testing Vol 5, No 1 (2023): Article in Press
Publisher : Departemen Teknik Mesin dan Industri, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jmdt.85643

Abstract

Motor Control Center (MCC) GT module, is a power breaker device that connects the voltage source to the load. MCC breaker rack-in and rack-out activities can be classified as unsafe action and unsade condition.  Because there is a possibility of explosion. As it had happened several times in several places in the world. In 2021 there were 3 force derating and force outages which are caused by MCC motor breaker failures. That accident resulted 500,516.67 KWh loss or Rp 682,262,223,- ($ 44,766). Therefore, modifications need to be made to 0.4kV MCC breaker by adding a selector for the order off blocker to minimize socket damage due to frequent rack-in-rack-out breakers activity. After installing the modification to all breakers in Priok POMU, there was no failures occurred. The frequency of rack-in-rack-out activities were reduced significantly and that is a good result for operation safety. This modification can also prevent Priok POMU from a potential loss and potentially increase net profit up to Rp 221,549,398,- ($ 14,537).
Co-Authors Ahmad Rosyiddin Imam Maulana Arief