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All Journal Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat (J-ABDIMAS) Jurnal ELTEK ELPOSYS: Jurnal Sistem Kelistrikan Jurnal Teknik Ilmu dan Aplikasi

Mochammad Mieftah

Politeknik Negeri Malang

Author-ID : 4012747

Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering

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PELATIHAN PERAWATAN DAN PERBAIKAN PERALATAN LISTRIK RUMAH TANGGA BAGI MASYARAKAT RUKUN WARGA 09 KELURAHAN BUNULREJO – KOTA MALANG Heri Sungkowo; Mochammad Mieftah; Slamet Nurhadi; Epiwardi; Sukamdi
Jurnal Pengabdian Polinema Kepada Masyarakat Vol. 7 No. 2 (2020): Jurnal Pengabdian Polinema Kepada Masyarakat
Publisher : UPT Penelitian dan Pengabdian Kepada Masyarakat Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jppkm.v7i2.38

Maintenance and repair of household electrical appliances for the Rukun community Residents 09 Bunulrejo Village / Kec. Blimbing - Malang City, gives additional the skills and motivation for the Rukun Community of 09 Bunulrejo Village for practice maintenance and repair of household electrical appliances for the Rukun community Residents 09 Bunulrejo Village. Besides that it can also improve skills addition to the community of Rukun Warga 09 Kelurahan Bunulrejo in the field of care and repair of household electrical appliances for the 09 Rukun Warga community in the Village Bunulrejo that applies in this era.

PELATIHAN PENGOPERASIAN DAN PERAWATAN MESIN PRODUKSI DENGAN KENDALI ELEKTRONIKA UNTUK PENGAJAR PROGRAM STUDI TEKNIK LISTRIK INDUSTRI DI SMK TUREN – KAB. MALANG Mochammad Mieftah; Awan Setiawan; Rachamad.S; M.Manaf; Anang Dasa Novfowan
Jurnal Pengabdian Polinema Kepada Masyarakat Vol. 7 No. 2 (2020): Jurnal Pengabdian Polinema Kepada Masyarakat
Publisher : UPT Penelitian dan Pengabdian Kepada Masyarakat Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jppkm.v7i2.40

Training on Operation and Maintenance of Production Machines with Electronic Control for Instructors in the Industrial Electrical Engineering Study Program at SMK Turen - Kab. Malang, provides additional teaching and motivation for teachers of Electrical Engineering study programs at SMK Turen practicing Operation and Maintenance of Production Machines with Electronic Control. Besides that, it can also increase additional skills for teachers of the electrical engineering study program at the current Turen Vocational School

Pelatihan Pemasangan Instalasi Listrik Tenaga Untuk Masyarakat Binaan Disnaker Di Pemkot Malang Anang Dasa Novfowan; Mochammad Mieftah; Rachmat Sutjipto; Dhimas Kharisma; Sukamdi
Jurnal Pengabdian Kepada Masyarakat (J-ABDIMAS) Vol 9 No 1 (2022): JURNAL PENGABDIAN KEPADA MASYARAKAT 2022
Publisher : Publisher UPT P2M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jabdimas.v9i1.152

Training on the correct, precise and safe installation of electric power installations for the people assisted by the Manpower Office in the Malang City Government. The existence of this training is expected to provide additional skills for installing power installations, to be used in working on installing power installations that are correct and safe and in accordance with standards, so as to minimize work hazards or accidents due to errors due to installation and use.

Pemasangan Lampu Penerangan Jalan Dan Running Text Pada Gapura Perumahan Landungsari Indah Kabupaten Malang Mochammad Mieftah; Dhimas Kharisma; Rahman Azis Prasojo; Epiwardi; Anang Dasa Novfowan
Jurnal Pengabdian Kepada Masyarakat (J-ABDIMAS) Vol 9 No 1 (2022): JURNAL PENGABDIAN KEPADA MASYARAKAT 2022
Publisher : Publisher UPT P2M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jabdimas.v9i1.153

The installation of lighting and running text in the housing gate is expected to provide lighting around the gate so that it is clearly seen if there are vehicles passing by. In addition, with the upgrade of the information board using an electronic board (running text) it becomes very clear and beautiful both in the morning and at night.

KAJIAN EFISIENSI ENERGI DENGAN PENGATURAN SUPLAI ENERGI LISTRIK Mochammad Mieftah
JURNAL ELTEK Vol 16 No 1 (2018): ELTEK Vol 16 No 1
Publisher : Politeknik Negeri Malang

A power system can be said to be reliable if it has a high continuity of service. To achieve this, an operational arrangement is required to optimize installed power to supply the load to avoid overloading or over-supply of the system. Modjopanggoong Sugar Factory Tulungagung is one of the sugar producing industries, where the electrical system in this factory uses two power supply, which is using PLN supply and Turbine Generator Boiler (BTG). The use of more than one power supply resulted in an increase in the required electricity production costs. To solve this problem, in this research will be conducted a study to make efficient of electrical energy cost which is done by arranging supply of electric energy, that is using maximum supply of BTG and its deficiency supported PLN supply (alternative I), using PLN maximum supply and its deficiency is supported BTG supply alternative II) and only use PLN supply (alternative III). The results showed that energy efficiency can be done with the regulation of energy supply at the factory, that is in alternative I with savings Rp.430.025.007 (2.1%), alternative II with savings of Rp. 553,984,815 (2.7%), and alternative III with savings of Rp. 2.055.727.407 (10%).

Perencanaan Rekonfigurasi Penyulang Mojoanyar Dengan Pengalihan Beban Ke Penyulang Elkishi Di Daerah Kawasan Industri Mojosari Pada PT PLN (Persero) UP3 Mojokerto Mochammad Mieftah; Heri Sungkowo; Mudjiono
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 3 (2022): ELPOSYS vol.9 no.3 (2022)
Publisher : Politeknik Negeri Malang

Mojosari is a customer area consisting of industrial customers and high power customers. Currently, the demand for electrical energy in the area is supported by the Mojoanyar Feeder, which is supplied by the Transformer I Pulling Substation I with a capacity of 30 MVA. The reconfiguration of the feeder was carried out for several reasons, one of which was the addition of power from an industrial customer in the Mojoanyar Feeder area of PT PLN (Persero) ULP Mojosari, namely PT Sinar Karya Duta Abadi (Arwana). If there is additional power, the additional load capacity also increases in a feeder. If the load capacity increases, the current flowing in the conductor also increases. It can be seen from the loading data in February 2021 that the maximum current flowing in the Mojoanyar Feeder during the day is 210 A, the maximum current flowing in the Mojoanyar Feeder at night is 215 A. And if there is a disturbance near the area, the Mojoanyar Feeder will not maneuver because the load is close to the maximum. Therefore, PT PLN (Persero) ULP Mojosari plans a reconfiguration of the feeder by transferring the burden of the Mojoanyar feeder.The analysis was carried out using the simulation program ETAP Power Station 12.6.0. and manual calculations according to standards. After being reconfigured, the Mojoanyar Feeder experienced a decrease in the value of the voltage drop from 8.78% to 7.86%. Mojoanyar feeders experienced a decrease in losses of 5.84% compared to before the reconfiguration of 10.4%

Analisis Keandalan Sistem Distribusi 20kV Pada Penyulang Pujon PT. PLN (PERSERO) ULP Batu Wijaya Kusuma; Ruwah Joto; Mochammad Mieftah; Awan Setiawan
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 3 (2022): ELPOSYS vol.9 no.3 (2022)
Publisher : Politeknik Negeri Malang

At PT. PLN (Persero) ULP Batu, Pujon feeder is one of the 9 feeders in the distribution system that supplies several areas in PT. PLN (Persero) ULP Batu. At the Pujon feeder, the number of disturbances that occurred from January to November 2021 occurred twenty-two times, with details of eighteen temporary disturbances and four permanent disturbances. The number of disturbances that often occur can affect the feeder who is working normally. This can cause voltage drops and power losses, causing the flow of electric power to be less than optimal and detrimental to customers or consumers. Because it requires maneuvering so that the disturbance does not spread to all feeders and cause one feeder to experience a blackout. Based on the problems that occur, maneuver analysis is needed to reduce the impact of disturbances on the Pujon feeder and to maintain the reliability value of the distribution system at PT. PLN (Persero) ULP BATU.

Pemasangan Instalasi Listrik Penerangan Untuk Masyarakat Binaan Disnaker di Pemkot Malang Sukamdi; Anang Dasa Novfowan; Mochammad Mieftah; Rachmat Sutjipto; Dhimas Dhesah Kharisma
Elposys: Jurnal Sistem Kelistrikan Vol. 7 No. 3 (2020): ELPOSYS vol.7 no.3 (2020)
Publisher : Politeknik Negeri Malang

This study discusses the installation of lighting electrical installations that are appropriate and safe for the community assisted by the Manpower Office in Malang City Government. The existence of this research is expected to provide additional skills in installing lighting installations, to be used in working to install lighting installations that are correct and safe and in accordance with standards, so as to minimize work hazards or accidents due to errors due to installation and use. This research activity was carried out in the AK Building of Malang State Polytechnic, Jalan Soekarno Hatta Malang by Malang State Polytechnic. The research activity for lighting electrical installations was carried out using a direct practice method. These activities are the introduction of standard electrical installation equipment according to PUIL; Introduction of lighting equipment components such as lamps, switches, contact boxes; and Installation of fittings, contact boxes, pipes, cables, switches. From the results of the research which was carried out for several days, the results obtained were knowing the practical theory of lighting installation; know the use of PPE properly; know the components of the lighting installation; know the electric measuring instruments; knowing how to install lighting installation components correctly and safely; know what things are done before the object is connected to a power source; and can take measurements when the object has been connected to a power source.

Alternatif Penanganan Losses Akibat Ketidakseimbangan Beban Pada Trafo Distribusi Anang Dasa Novfowan; Mochammad Mieftah; Wijaya Kusuma
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 1 (2023): ELPOSYS vol.10 no.1 (2023)
Publisher : Politeknik Negeri Malang

The unbalanced load on distribution transformers is mostly caused of connecting new customers and changing patterns of electricity usage in the community. The impact of the unbalanced load is the emergence of a current flowing on the transformer neutral conductor that causes energy losses. Load balancing of distribution transformers is commonly done by technicians, but the implementation takes quite a long time and is repeated, sometimes up to 4-5 times to get the appropriate results. This is more due to less valid customer phase data. Customer phase verification is needed to accelerate the load balancing process in an effort to reduce losses in distribution transformers. With valid customer phase data, just one stage of load balancing can reduce losses by 1.06%..

Implementasi Metode Scoring Matrix dalam Menentukan Indeks Kondisi Minyak Isolasi pada Transformator Daya 150 kV Rahman Azis Prasojo; Liska Safarina; Agung Fiqh Paramonta Islam; Rohmanita Duanaputri; Mochammad Mieftah; Eko Yulianto
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 1 (2023): ELPOSYS vol.10 no.1 (2023)
Publisher : Politeknik Negeri Malang

Transformers are critical equipment in electrical power system which assist in transmitting electrical energy from generators to consumers. Oil insulation is one of the key component in power transformer. Poor quality of oil insulation can be fatal to the transformer, especially when a disturbance occurs. Oil insulation can affect the aging of power transformers and the failure can disturb the continuity of electrical energy supplied to consumers. There are three things that affect the condition of transformer oil insulation, namely chemical, electrical, and physical. The test results of oil insulation parameters that were collected was assessed individually, such as Interfacial Tension (IFT), colour, breakdown voltage (BDV), acidity, and water content. Then, the condition assessment of power transformer oil insulation using a scoring matrix method proposed in CIGRE TB 761 was performed to determine the assessment index of oil insulation conditions of two 150 kV power transformers based on the results of various oil testing. Lastly, recommended action is provided based on the analysis.

Co-Authors Agung Fiqh Paramonta Islam Anang Dasa Novfowan Awan Setiawan Dhimas Dhesah Kharisma Dhimas Kharisma Eko Yulianto Epiwardi Liska Safarina M.Manaf Mudjiono Mudjiono Nurhadi - Rachamad.S Rachmat Sutjipto Rahman Azis Prasojo Rohmanita Duanaputri Ruwah Joto Sukamdi Sungkowo, Heri Wijaya Kusuma

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