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Anggia Arista; Hasibuan, Rizki Prakasa; Elsya Paskaria Loyda Tarigan

Jurnal Universal Technic (UNITECH) 2022 Fakultas Teknik Universitas Maritim AMNI Semarang

PT. X adalah Manufaktur Valve, Accuator dan Accessories. PT. X mengalami kesulitan dalam memenuhi pesanan pesanan karena proses setting produk Main Steam terlalu lama sehingga kapasitas produksinya rendah, sehingga perlu dilakukan perancangan Jig pada proses setting produk Main Steam agar dapat mengeliminasi waktu pengerjaan setting. Penelitian ini dilakukan pada bagian produksi dengan menggunakan metode analisis Quality Function Deployment. Tahapan dalam penelitian ini menggunakan Voice of Costumer yang berguna untuk mengetahui ketertarikan perusahaan, atribut produk dan respon teknis guna menghilangkan set up time yang lama sehingga tercapai kapasitas produksi. Setelah tahapan tersebut selesai, dilakukan analisis dengan menggunakan metode QFD. Identifikasi quality deployment function (QFD) sebagai salah satu alat yang dapat digunakan untuk mengidentifikasi kebutuhan pelanggan dan menghubungkan kebutuhan tersebut dengan desain produk. PT. X berhasil memangkas waktu setting dengan metode QFD untuk meningkatkan hasil produksi.

Mastiri Mastiri; Desmira Desmira

Jurnal Riset Rumpun Ilmu Teknik 2022 Pusat riset dan Inovasi Nasional

Electrical energy continues to grow over time, power plants with large capacities are the main sources of electricity in Indonesia, one of which is the Steam Power Plant (PLTU). In the field of power plants that use coal always need air during the electricity production process. This study aims 1) to determine the protection management system on the Forced Draft fan motor using GE Multilin 269 Plus, 2) Setting GE Multilin 269 Plus as protection, 3) The results of the protection in the form of Normal Motor, Alarm, and Trip conditions in the accumulation of imbalance (Unbalance) ). The method used is a quantitative research method based on analysis, taking data and then analyzing the data obtained. The results of this quantitative study regarding the Unbalance value or imbalance of the electric motor analyzed resulted in a value of 5.8% for normal conditions, 10.86% for alarm conditions on multilin and 15.50% in trip conditions or the motor had stopped. These values ​​are obtained from the results of calculations comparing negative sequence currents and positive sequence currents (In/Ip). The conclusion obtained is that the GE Multilin 269 Plus protects the electric motor from system damage by using a current sensor and through a setting point that is adjusted to the provisions of NEMA (National Electrical Manufacturers Association) with an unbalance value of more than 15% for trips, more than 10% for alarm conditions and less than 10% under normal conditions