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All Journal Jurnal Teknik ITS International Journal of Marine Engineering Innovation and Research Jurnal Airaha

Sardono Sarwito

Unknown Affiliation

Author-ID : 433033

Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation

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Articles

Studi Perancangan Degaussing System untuk Melindungi Kapal Perang Tipe OPV 90m dari Medan Magnet Emil Faridhan Primaseta; Agoes Santoso; Sardono Sarwito
Jurnal Teknik ITS Vol 1, No 1 (2012)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Degaussing system adalah suatu sistem yang digunakan pada bagian logam atau perangkat elektronik yang beresiko medan magnetik. Pada kapal militer sistem ini digunakan untuk menghindari ranjau magnetik maupun torpedo yang menggunakan medan magnet sebagai sensor pendeteksi logam ketika kapal sedang berpatroli maupun sedang berperang. Dari studi literatur yang dilakukan, dapat diketahui bagaimana cara instalasi degaussing system pada kapal dan perlengkapan apa saja yang dibutuhkan untuk sistem tersebut. Degaussing system yang didesain pada skripsi ini mempunyai kekuatan medan magnet sebesar 27,5 Tesla dengan daya sebesar 12 kW. Desain koil diletakkan pada lambung kapal tepat dibawah garis air untuk mendapatkan daya hantar magnet yang baik. Berat dari instalasi untuk degaussing system ini adalah 1040 kg.

Analisis Human Error Terhadap Kecelakaan Kapal Pada Sistem Kelistrikan Berbasis Data Di Kapal Lucky Andoyo; Sardono Sarwito; Badrus Zaman
Jurnal Teknik ITS Vol 4, No 1 (2015)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Kecelakaan kapal banyak terjadi di Indonesia. Salah satu penyebabnya adalah volume lalu lintas kapal yang tinggi seperti pada alur pelayaran Selat Bali. Menurut data KNKT lebihdari 80% kecelakaan disebabkan oleh human error.Tujuan utama dari penulisan tugas akhir adalah untuk menganalisis seberapa besar nilai human error berpengaruh terhadap kecelakaan kapal akibat peralatan navigasi dan komunikasi .Setelah mengetahui seberapa besar nilai human error berpengaruh terhadap kecelakaan kapal, maka selanjutnya akan dianalisis mengenai faktor-faktor apa saja yang mempengaruhi human error. Metode yang digunakan dalam tugas akhir ini adalah kombinasi dari metode AHP (Analytical Hierarchy Process) dan SHELL Model, sehingga dapat diketahui seberapa besar nilai human error dan apa saja penyebabnya. Dari hasil analisis diketahui bahwa nilai human error terhadap kecelakaan kapal akibat kondisi Sistem kelistrikan sebesar 26.9% dan nilai terbesar yang mempengaruhi human error adalah kesehatan SDM dengan nilai sebesar 32.1%.

Transient Voltage Analysis for Dynamic Positioning Closed Bus Electrical System on Ship in Laboratory Scale Sardono Sarwito; Eddy Setyo Koenhardono; A.A Masroeri; Indra Ranu Kusuma; Mochamad Nur Ichwan
International Journal of Marine Engineering Innovation and Research Vol 4, No 3 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Ships equipped with a dynamic positioning system has a more number of thuster than ships that are not equipped with a dynamic positioning system. The addition of this thruster resulted in a significant increase in electrical loads so that the power plant will be added to the vessel. Dynamic positioning is a system used to support offshore vessel work consisting of a collection of equipment and control systems that work simultaneously to maintain the position of a vessel in accordance with which has been input into the system. Installation of the dynamic positioning system on the vessel affects the electrical system of the vessel. In the operation of electrical system on the vessel found the disturbances that arise one of them is transient interference that causes the change of voltage and frequency value in a short time. A Transient voltage occurs within a few seconds where the system conditions are unstable. The research was conducted in a laboratory scale by modeled a series of vessels that have the system with existing laboratory equipment where transient interference occurred due to the starting motor so that it is done Analysis of the magnitude of the voltage and frequency in the specified scenario as well as finding a solution to correct emerging interference that exceeds the standard. In the experiments made some configuration changes and obtained the result that the configuration of Split Plant 1 generator thruster has good system stability capable of achieving a stable condition with a loading of 50%. As for the loading of 60% stability of the system is unstable and can be improved again with the addition of capacitor.

Analysis of Three Phases Asynchronous Slip Ring Motor Performance Feedback Type 243 Sardono Sarwito; Semin Semin; Achmad Suherman
International Journal of Marine Engineering Innovation and Research Vol 2, No 1 (2017)
Publisher : Institut Teknologi Sepuluh Nopember

Induction motor is an Alternating Current Electric Motor (AC), this motor most widely used. There are two types of rotor on three-phasess asynchronous motor, the squirrel-cage rotor and the slip ring rotor. Every motor has its own characteristic, it have been affect the used of the motor. In this research is aiming to know three-phasess asynchronous slip ring motor performance on unloaded and loaded condition. On its condition, the variation resistance starting from 0Ω - 25Ω. The results of three-phasess asynchronous slip ring motor on unloaded condition having maximum output power 58 W and maximum torque 0.22 Nm in 25Ω of resistance. While in the condition loaded having a maximum Pin 131,5 W, maximum Pout 109,31 W, maximum torque 2,08 Nm and maximum efficiency 95%. The analysis was done by knowing the relation between torque vs speed and efficiency vs load. The result shows that the increasing of motor speed have been give affect the decreasing of motor torque in according with the torque formula. In the other result, it can be seen that increasing of the load, efficiency have been increase

Study Of Calculation Of Degaussing System For Reducing Magnetic Field From Submersible Vehicle Sardono Sarwito; Juniarko Prananda; Eddy Setyo Koenhardono; Anggela Wahyu Kurniawan
International Journal of Marine Engineering Innovation and Research Vol 1, No 2 (2017)
Publisher : Institut Teknologi Sepuluh Nopember

The rapid development of maritime technology in the world to make Indonesia are also increasingly taking the development of maritime technology, such as in a Submersible Vehicle one is degaussing system, this technology should be owned by the vessel so that the vessel can avoid dangerous explosive equipment contained in the sea. Degaussing system is a system that is in use on the metal parts or electronic devices that are at risk of a magnetic field. This system is used to prevent the vessel from dangerous equipment in the sea which can trigger an explosion and the damage that utilize magnetic fields as a metal-detection sensor when the boat was doing dives. To the authors will plan the design degaussing system, and calculating the system in order to reduce the magnetic properties of the Submersible Vehicle which were obtained by the use of Coil Degaussing along 214,5 meters, a diameter of 0,2, with 500.000 coil that will generate a current of 0,0157 Ampere's 0.0787 Tesla generates a magnetic field.

Analysis of Electric Propulsion Performance on Submersible with Motor DC, Supply Power 10260AH at Voltage 115VDC Indra Ranu Kusuma; Sardono Sarwito; Ristita Anggarini Widya Ayu Irawati
International Journal of Marine Engineering Innovation and Research Vol 1, No 2 (2017)
Publisher : Institut Teknologi Sepuluh Nopember

Electric propulsion is the ship system using propulsion motor to replace performance of main engine. The application of diesel engine as propulsion system have some problems and weaknesses such as diesel engine unability to operate when submersible vessel is operating under sea. To overcome that problems in submersible vessel, alternative solution of ship propulsion is required. DC Motor can be used as this alternative solution. Submersible vessel use electric propulsion system with DC Motor because DC Motor has advantages of easy rotation setting and does not cause noise when submersible vessel is diving. This bachelor thesis will study the application of DC Motor as an electric propulsion system on submersible vessel with length 59,57 m in series and parallel circuit by simulation using MATLAB software. The simulation data obtained are rotation and torque of DC Motor. From these simulation, it can be concluded that parallel circuit rotation is greater than series circuit rotation. It caused the greater speed and lower power in parallel circuit.

OPTIMASI DESAIN GENERATOR PHOTOVOLTAIK-DIESEL BERDASARKAN LAJU PENANGKAPAN IKAN DAN LIFE CYCLE COST, STUDI KASUS BAGAN PERAHU 10 GT DI PERAIRAN SAMATE PEMDA RAJA AMPAT, PAPUA BARAT Akhmad Nurfauzi; Sardono Sarwito; Sutopo Purwono Fitri
Jurnal Airaha Vol 2 No 1: Juni 2013
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

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Utilization of Gen-set Hibrid Photovoltaik-Diesel (DC-AC Couple Battery-Backup Grid Connecting PV System) is a efforts to minimization operational cost from Stick held dipnet. This case is caused by diesel fuel which has higher price and rare. This article will discuss about analysis approach as first, calculate impact need of lighting toward rate of catching phototaxis fish. This case use analysis different test (test of t) toward output of optimum catching use 4 underwater lamps which have different of kind. The porpose from this case to analysis genset diesel capacity by usage optimum power of lighting. The method will be used is calculating instrumentation load factor, synchronic factor, and load of genset factor as standart of BKI. Based on monitoring, selected under water lamp E-CDL 45 W is real different (tcalculate3,4355>ttable2,776) which has more optimum catching of fish (6960 Kg) than others. Based on calculating needed daily load capacity 2530 W. It mean the capacity of Genset Hibrid PV array-Diesel 34020 Wh, appropriate with Samate water condition which has low and high temperature (27,1o C and 31,8o C) needed 15 PV-modul @200 W (the voltage and electric current source of PV array 100 Vdc and 31,6 A), bank battery 14 units @200 AH/12 V which has output voltage is 24 Vdc, 2 units charge controller (@current input 15 A), 1 unit inverter (voltage input 24 Vdc/output 240 Vac and 3000W), battery charger (input 240 Vac/output 24 Vdc), and MCB (standby load : single phase 220 Vac) 15 A Busbar 45 A. Ecomonic analysis use Life Cycle Cost (LCC) method toward genset (diesel and Hibrid PV array-diesel). From the calculating, nominal of LCC genset Hibrid PV array-Diesel (Rp.173.421.297,-) lower or cheaper than LCC genset diesel (Rp.223.715.493,-). The net from this case is Rp.50.294.196,- which got for 20 years instrumentations usage. The last discuss about calculating distance between stick held dipnet and area which can reached to outside lighting lamp (E-CDL 50 W) at height 5 meters toward surface of sea water is 235 m2.

Co-Authors A.A Masroeri Agoes Santoso Anggela Wahyu Kurniawan Badrus Zaman Eddy Setyo Koenhardono Emil Faridhan Primaseta Indra Ranu Kusuma Juniarko Prananda Lucky Andoyo Mochamad Nur Ichwan Nurfauzi, Akhmad Ristita Anggarini Widya Ayu Irawati Semin Semin Sutopo Purwono Fitri

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