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Abstract Topic: Electric System, Drives, Motors, Machinery

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Comparison Power Consumtion 125 Watts Pump by Using AC and DC Based on Solar Energy
S. Sulistyo, Sri Nugroho, Ade Mukti Wibowo

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Corresponding Author
Sulistyo Sulistyo

Institutions
Mechanical Engineering Department Diponegoro University, Tembalang Semarang
NCSTT, ITB Bandung

Abstract
The development of photovoltaics has shown the maturity of technology. The application can already be used as a source of electrical energy and is an environmentally friendly source of electrical energy. The use of PV technology in Indonesia has developed well for the generation of electricity for companies or household units as an alternative energy source. Currently, Indonesia has begun to develop electric car transportation by using batteries, so that it was need inverter equipment which change a direct current to the alternating current. This paper discusses the comparison of power consumtion 125 watts pump by using alternating current (AC) and direct current (DC) based on solar energy using photovoltaic (PV). The type PV cell uses a 100-watt peak solar cell type silicon mounted on a portable basis and paralel connected. The PV is installed at Semarang region which connected by battery. The type battery is 100 AH, 12 V. The battery was connected to motor pump of 125 watts. There are two motors type which has specification as DC motor and AC motor. The DC motor should be connected by DC-DC converter before DC motor pump to increase the requirement voltage of motor pump while AC motor should be provided by inverter DC to AC. The pump was connected by piping system which suction pipe use a diamter of 32 mm and discharge pipe of 20 mm. The total head for both experiment are 4 m. The speed of motor was measured as in motor specification. The operating of PV was at 08.00 am – 16.00 pm. The result of the power consumtion of the DC motor was more effiency tha by using AC motor. The operation of the battery using DC motor is about two times longer than AC motor.

Keywords
Solar Energy, Photovoltaics, Pump

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/JtAEc9U2xFBu


Development of an Integrated Axle for MD Trucks for Urban Distribution Traffic
Jürgen Tochtermann, Stephan Brandl

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Corresponding Author
Stephan Brandl

Institutions
Powertrain Engineering
AVL List GmbH

Abstract
The need for zero emission transport solutions in urban areas is strongly driven by topics like local air pollution, noise emissions as well as global CO2 reduction and public pressure. One solution for this demand are battery electric vehicles with the focus to provide emission free urban transportation combined with lowest total cost of ownership and consequently a positive business case for the end customers. Requirements and approaches to achieve this important goal are discussed in this paper.

Keywords
electrification, e-axle, cooling, powertrain integration

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/L7ZtHhKukDXA


How Engineering Service Providers Can Support Local EV Development
Stephan Brandl

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Corresponding Author
Stephan Brandl

Institutions
AVL

Abstract
Content of this session will be how engineering service suppliers can support Indonesia economy and Indonesian OEMs to boost local EV development. In the beginning most important components for future EVs and required charging solutions will be highlighted. Additionally a brief overview of potential component developments and integration of off-the-shelf systems as well as production and cost engineering will be presented.

Keywords
Engineering, Local EV development, OEM

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/LqQpUVtnfTyR


Magnetic Flux Modelling and Analysis of 120 kW Brushless DC Motor for Medium Bus Application Based with JMAG
Syadila Refiasto, Farhan Hafiz Budisatrio, Jihad Furqani, Agus Purwadi

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Corresponding Author
Syadila Refiasto

Institutions
ITB

Abstract
In this paper, magnetic flux (distribution and direction) modelling and analysis of brushless DC (BLDC) motor that output power is 120 kW using JMAG software is investigated. Before performing magnetic flux analysis, the motor parameters is verified by using JMAG-Express. After verifying the design, the magnetic flux distribution and direction is analyzed. The purposed of this research is investigating the operation area of magnetization-demagnetization process in the stator and rotor core of BLDC motor.

Keywords
Magnetic flux analysis, modelling, JMAG, Brushless DC Motor (BLDC).

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/LfbQcurJwvMh


Novel Design of Four Wheeler Electric vehicle with Semi-Autonomous Control System for Developing Countries
Mohammad Zahirul Islam,Ali Ahsan,A.K.M.Waliuzzaman,Mohammad Abdul Hannan,Md Khalilur Rhaman,Md Saiful Islam

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Corresponding Author
A.K.M. WALIUZZAMAN

Institutions
BRAC University,Dhaka

Abstract
Electric three-wheeler vehicles are getting popular in many progressive countries and Bangladesh is one of them. Based on the study of current vehicle systems in Bangladesh novel design of a four-wheeler low cost safe electric vehicle has been approached in this research paper for daily uses. Double wishbone independent suspension system with high performance shock absorber helps the design to ensure a smooth movement. Implementation of CAN Bus system minimizes wire management and ensures a flawless data transfer with interactive control system. Sensor node based forward collision avoidance algorithm has been proposed to assuring safety and introducing a semi-autonomous control system. Custom designed integrated GPS tracking system diminish the chance of unwanted theft threat and maintain a strong navigation system. Different software-based simulation with a couple of real-life experiments in different road condition justify the sustainability and accuracy for all the designed systems.

Keywords
Electric car, Collision avoidance, CAN bus System

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/3aHf7nWZhbY6


Performance Improvement of Axial Switched Reluctance Motor using Low-Cost Magnet
Yoga Uta Nugraha, Dimas Anton Asfani, Dedet Candra Riawan, M. Nur Yuniarto

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Corresponding Author
yoga uta nugraha

Institutions
Department of Electrical Engineering
Center of Excellence for Automotive Control & System
Institut Teknologi Sepuluh Nopember

Abstract
A Switched reluctance motor (SRM) is known characterized by a robust, simple structure, and low cost. However, its torque density is generally lower than the induction motor (IM) and brushless DC motor (BLDC). In addition, axial SRM produces more torque than radial SRM by the same dimension. In this paper, performance improvement of axial SRM by adding a low-cost magnet in the stator yoke is investigated. A nonrare earth type magnet, Alnico, has been used for this research. Placement and dimensions of low-cost magnet affect performance improvement. Simulation and analysis using Finite Element Magnetic Method (FEMM) and Ansys Maxwell. A comparison between existing axial SRM and axial SRM with low-cost magnet is reported.

Keywords
Axial, Swithced Reluctance Motor (SRM), simulation, low-cost magnet.

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/9xfEzaKkUtZh


Sensorless Control of Railway Traction Motor in The Energy Point of View
Maghfiroh, H., Hermanu, C., Nizam, M.

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Corresponding Author
Hari Maghfiroh

Institutions
Dept. Electrical Engineering
Universitas Sebelas Maret
Indonesia

Abstract
Railway systems, especially electric railway, are more efficient compared to another mode of transportation. However, it consumes a lot of electrical power. Therefore, improving energy efficiency is a great interest to reduce operational cost. Traction motor consumes a lot of portion of energy in railway rolling stock. In this paper, the comparative study between Indirect Field Oriented Control (IFOC) sensored and IFOC-sensorless are studied in both performance and energy viewpoint to know which one has better efficiency. MRAS is chosen as speed estimation in sensorless method. Case studies with constant track and variable track were performed. The result shows that sensorless method using MRAS can be applied in railway application. However, its performance is decreases in braking mode shown by acceleration fluctuation. However, the speed performance is well. According to speed performance both methods have good result. In the energy point of view, sensored method resulted more energy from regenerative braking. From the total energy consumption, sensored method can save energy up to 33.76 % compared with sensorless method in constant track.

Keywords
railway, traction motor, motor control, sensorless

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/Q432ndLDHxty


SYSTEM IDENTIFICATION OF SWITCHED RELUCTANCE MOTOR (SRM) USING BLACK BOX METHOD FOR ELECTRIC VEHICLE SPEED CONTROL SYSTEM
Muhammad Rizalul Wahid1, Nadana Ayzah Azis2, Endra Joelianto2

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Corresponding Author
Muhammad Rizalul Wahid

Institutions
ITB

Abstract
Switched reluctance motor (SRM) as a driving force has a very important role in an electric vehicle because it is able to produce a large torque about 12.3 Nm and the speed is about 9600 rpm. There is no model that represents the real SRM motor. Model identification is done by using the Black Box method in the Matlab System Identification Toolbox (SIT). The speed output of the SRM motor is measured externally by a sensor based on the hall effect principle, which gives a high pulse of 4.27 volts every it detects an existing magnet at the motor rotation. The speed sensor of motor is simulated and validated using the Intelligent Schematic Input System (ISIS) software on the Proteus before it is implemented into the SRM motor. The results are obtained in the form of transfer function system with order 1 and order 2. The order 1 has a match with the real data of 93.65% and the order 2 has a greater match value of 93.7%.

Keywords
Electric Vehicles, Black Box Method, System identification, Switched reluctance motor (SRM),

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/fhXV73DgYvFA


THE DESIGN FOR AUTOMATIC SYRINGE SHAKER AS THE MEDIA SUPPORTING METHOD OF DISSOLVED GAS ANALYSIS (DGA) TRANSFORMER OIL
Chico Hermanu B A ; Ratih Rachmatika ; Augustinus Sujono

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Corresponding Author
Ratih Rachmatika

Institutions
Department of Electrical Engineering, Faculty of Engineering, Universitas Sebelas Maret, Surakarta

Abstract
The general problem of operational power transformer was appearing in both thermal and electrical failure. Most of the power transformer usually used insulator oil that was functioning as cooler and to dissolve its hazardous gas in order not to circulate independently. Identifying type and number of gas concentration, which was dissolved in oil could provide information about the indication of failure that occurs in the transformer. Method for identifying and analyzing dissolved gas in the oil was called dissolved gas analysis (DGA). Procedure for oil sampling of testing DGA with a method of Morgan Schaffer was using syringe. In the use of syringe, after taking oil sample into syringe and then syringe was extracted to separate components of dissolved gas. Utilizing syringe in the process of extraction was not maximal since it had to be manually done the process of extraction for each syringe. In this research, it was done in making automatic syringe shaker, which could do an extraction of transformer oil to extract dissolved gas in the transformer oil automatically. This research would also determine the time and speed variable to obtain optimizing syringe shaker. This instrument used a DC motor as a driving source. Based on data, which was obtained, the percentage of extraction level that was obtained with using automatic syringe shaker transformer oil was smaller compared with the manual process and it had an error level of 0.124%.

Keywords
Automatic Syringe Shaker, Method Dissolved Gas Analysis, Transformer Oil, DC Motor

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/CYu9qnZhcP4K


The Effect of Vehicle Inertia on Regenerative Braking Systems of Pure Electric Vehicles
Joga Dharma Setiawan, Bentang Arief Budiman, Ismoyo Haryanto, Munadi, Mochammad Ariyanto, and Mohammad Alfian Hidayat

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Corresponding Author
Joga Dharma Setiawan

Institutions
Universitas Diponegoro
joga.setiawan[at]ft.undip.ac.id

Abstract
Electric vehicles have the advantage of regenerative braking in which the electric motor can be used as a generator to convert the kinetic energy of a moving vehicle into electrical energy during the braking process. The purpose of this study is to determine the effect of vehicle inertia on the voltage and electrical power profiles at the ultracapacitors as the energy storage system (ESS) and the vehicle speed during the motoring and the generating modes. In this study, an induction motor is used. The combination of regenerative and mechanical braking systems is regulated by the control logic to meet the drivers request. The mathematical model of a regenerative parallel braking system is coded in MATLAB/Simulink. The simulation results show the profiles of electric power flow, energy flow, mechanical braking torque, braking torque by the motor, and the State of Charge (SOC) of the ultracapacitor stacks.

Keywords
Regenerative braking, SOC, ultracapacitors, flywheel, generating mode

Topic
Electric System, Drives, Motors, Machinery

Link: https://ifory.id/abstract/BewnaCkHc8AM


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