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Journal : Marine Science and Technology Journal

Sistem Kontrol Alarm pada Tangki Bahan Bakar Hariningrum, Rita; Utomo, Sukarno Budi
Marine Science and Technology Journal Vol 4 No 2 (2023): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v4i1.2793

Abstract

A level switch is a device that detects the height or level of a volume of liquid in a tube or tank, we take an example, for example a level switch is installed in a water tank to detect the amount or volume of fuel entering the tank, then this device is connected to a pumping machine. fuel, when the volume of fuel in the tube has reached a certain level (high) and is detected by the sensor, the level switch sensor will work because the front of the level switch is submerged in oil, at that time the level switch will instruct the fuel pump engine to stop rotating, in the sense that the level switch will cut off the flow of current leading to the pumping machine. The level switch system has a fairly simple way of working. When the oil reaches half of the lower ballast (low level) then two sinkers will hang where the total weight will be able to pull the switch on the switch body at the top. The switch that is attracted to the ballast will make the relay contact close and electric current will flow through the cable to the fuel control engine which then starts and fills fuel into the tank until it reaches a high level.
Kajian Analisis Perhitungan Sistem Penggerak Katrol Listrik di PT. Jasa Marina Indah Hariningrum, Rita; Utomo, Sukarno Budi
Marine Science and Technology Journal Vol 3 No 2 (2022): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v2i2.2037

Abstract

The development of increasingly advanced technology requires the industrial world to carry out the production process quickly and easily by prioritizing quality and quantity. One of the tools that can help the production process (transportation equipment) is a pulley that serves as a means of support to speed up the production process or move goods from one place to another. Main parts of electric pulley include Hoist, Pulley, Trolly. This study describes the design of an electric pulley system that is capable of lifting a load of 2000 kg. With a lifting speed of Hoist 20 m/s, Pulley 10 m/s, Trolly 5 m/s. The results show that the electric pulley drive system design with the above specifications produces a motor power of 61.393 kw Hoist, 30.6971 kw Pulley, 15.3482 kw Trolly.