Energi & Kelistrikan最新文献

{"title":"Redesain penampang kabel wiring APP pelanggan TM untuk perbaikan akurasi pengukuran kWh","authors":"Fadjar Kurniadi","doi":"10.33322/ENERGI.V12I2.1173","DOIUrl":"https://doi.org/10.33322/ENERGI.V12I2.1173","url":null,"abstract":"Abstract \u0000Current Transfomer(CT) accuracy for big customers is very important. Constraints Execution of CT accuracy testing on big customers is quite a lot of customers and scattered, and longtime outage duration. Development of electronic kwh Meter for checking on-site CT customers as a solution to these problems. The onsite CT measurement method is carried out by comparing the primary and secondary of the CT by utilizing the current coil on the electronic kWh Meter. This method has several advantages, lower costs, easy procurement, easy and fast operation, so the duration of outages can be minimized. This method is very supportive in the implementation of the Revenue Assurance program. \u0000  \u0000Keywords: English, , 3-5 words \u0000  \u0000  \u0000ABSTRAK \u0000Akurasi CT (Current Transfomer) pada pelanggan besar sangat penting. Kendala Pelaksanaan pengujian akurasi CT pada  pelanggan besar adalah  pelanggan cukup banyak dan tersebar, dan waktu pemadaman yang lama. Pengembangan kwh Meter Alat untuk pengecekan CT Pelanggan secara on site sebagai solusi permasalahan tersebut. Metode penugukuran CT onsite dilaksanakan dengan membandingkan sisi primer dan sekunder CT dengan memanfaatkan kumparan arus pada kWh Meter elektronik. Metode ini memiliki beberapa keuntungan, antara lain biaya lebih murah, mudah pengadaan,mudah dan cepat dalam pengoperasiannya sehingga lama pemadaman dapat diminimalkan. Cara  ini sangat mendukung dalam pelaksanaan program Revenue Assurance dalam memastikan kebenaran CT yang terpasang. \u0000  \u0000Kata kunci: Electronic Meter, CT Testing","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131991185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analisis Partial Discharge dan Prediksi Usia Layak Isolasi Belitan Stator Generator 143,4 MVA","authors":"Kukuh Widodo, M. Haddin, Gunawan Gunawan","doi":"10.33322/energi.v12i1.927","DOIUrl":"https://doi.org/10.33322/energi.v12i1.927","url":null,"abstract":"ABSTRACT \u0000The arise of partial discharge in isolation of the winding stator generator is thing that general because existence ageing and excessive stress. Partial discharge in isolation of the winding stator occur in the core slot area or endwinding area. The problem that occur in isolation of the winding stator generator is the presence of corona and high partial discharge in the endwinding area caused by ineffective monitoring of partial discharge. This research discusses about that occurrence corona and partial discharge, and the effectiveness of repairing insulation of the stator winding that performed during overhaul. The analysis methods used is comparative, characteristics and trending, and linear regression to predict the age of operation worthiness in isolation of the winding stator. The results of the analysis showed that, the cause of corona and high partial discharge due to damage to the isolation surface consequence contamination from bearing seal oil which have seepage and load & thermal cycling, with the age of operation worthiness shortest isolation of the winding stator during ± 2 years 1 month 21 days or only increased 14 days after overhaul. \u0000  \u0000Keywords : partial discharge, corona, linear regression, age of worthiness isolation of the winding \u0000  \u0000  \u0000ABSTRAK \u0000Timbulnya partial discharge pada isolasi belitan stator generator merupakan hal yang umum terjadi karena adanya penuaan dan tekanan yang berlebih. Partial discharge pada isolasi belitan stator terjadi di area slot inti atau area endwinding. Permasalahan yang terjadi pada isolasi belitan stator generator adalah adanya korona dan partial discharge tinggi pada area endwinding yang disebabkan karena kurang efektifnya monitoring terhadap partial discharge. Penelitian ini membahas tentang terjadinya korona dan partial discharge, serta efektifitas perbaikan isolasi belitan stator generator yang dilakukan saat overhaul. Metode analisa yang digunakan adalah komparasi, karateristik dan trending, serta regresi linear untuk memprediksi usia kelayakan operasi isolasi belitan stator. Hasil analisa menunjukkan bahwa, penyebab terjadinya korona dan partial discharge tinggi karena adanya kerusakan pada permukaan isolasi akibat kontaminasi minyak dari seal oil bearing 5 yang mengalami rembesan dan load & thermal cycling, dengan usia kelayakan operasi tersingkat isolasi belitan stator selama ± 2 tahun 1 bulan 21 hari atau hanya mengalami kenaikan 14 hari setelah overhaul. \u0000  \u0000Kata kunci : partial discharge, korona, regresi linear, usia layak isolasi belitan","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132641956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analisa Dampak Bayangan Modul Terhadap Output PLTS","authors":"Adrian Mansur","doi":"10.33322/energi.v11i2.746","DOIUrl":"https://doi.org/10.33322/energi.v11i2.746","url":null,"abstract":"Solar cells are a technology that converts sunlight into electricity, therefore if there is a shadow that covers the surface of the module it will cause a decrease in energy production, therefore this study aims to see the impact of shadows on the module by analyzing the output per PLTS array, then the shadow source removed. The analysis shows that there is an increase in output at 06.00-12.00 in array 2 by 48% above the increase in average output which is only around 24%, as well as in the output style that is not far adrift from other arrays with only 1 % deviation remaining At 12.00-18.00 changes in output can also be observed in Array 4 by 46% above the average increase of only 39%, as well as the output style with a deviation from 21% to 1%.","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123509179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Penerapan Algoritma Kunang – Kunang (Firefly Algorithm) untuk Optimasi Rekonfigurasi Jaringan Distribusi Radial","authors":"Yoakim Simamora, Ibnu Hajar, Alex Fernandes","doi":"10.33322/energi.v11i2.498","DOIUrl":"https://doi.org/10.33322/energi.v11i2.498","url":null,"abstract":"ABSTRAK \u0000Penelitian ini membahas tentang rekonfigurasi jaringan untuk meminimalkan rugi jaringan pada sistem distribusi. Nilai rekonfigurasi jaringan dibatasi oleh jumlah tie switch yang ada pada jaringan distribusi. Rekonfigurasi jaringan Distribusi merupakan salah satu cara yang dilakukan untuk memperbaiki kualitas daya, kualitas daya dalam hal ini adalah perbaikan jatuh tegangan dan rugi – rugi daya. Binary firefly algorithm digunakan untuk optimasi rekonfigurasi jaringan Distribusi IEEE 33 bus. Skema ini diujikan pada sistem 12,66 kV. Hasil simulasi dengan menggunakan binary firefly algorithm pada saat belum dilakuakn optimasi pada sistem distribusi IEEE 33 bus memiliki rugi jaringan sebesar 202,69 kW dengan tegangan minimum 0,91 pu. Setelah rekonfigurasi jaringan rugi jaringan yang optimal sebesar 139,53 kW dengan tegangan minimum 0,95 pu. \u0000  \u0000Kata kunci: Rekonfigurasi, Rugi-rugi Daya, Fire Fly Algorithm","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131787926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analisis Efektifitas Penggunaan Metode Soft Starter saat Start awal pada pengoperasian Motor 220 kW","authors":"Andi Junaidi, Susana Damayanti","doi":"10.33322/energi.v11i2.559","DOIUrl":"https://doi.org/10.33322/energi.v11i2.559","url":null,"abstract":"The  Multipurpose  Reactor  G.A  Siwabessy is a  research reactor equipped with a  Cooling  System consisting of 2 systems, namely the primary cooling system and the secondary cooling system. This Project discusses the effectiveness of using the Soft starter method in the initial starting process of the electric motor in the secondary cooling system which aims to reduce the value of a high current surge when the motor starts working. The data type used is primary data obtained directly by the author through a  measurement process with a  measuring instrument.  When using  the  Star-Delta method the surge current is 765 A while with the Soft starter method there is a decrease in the current surge value to 517 A, the conclusion of the result is a decrease in the current surge value of 0,677% using the Soft starter method \u0000.","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128336324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efisiensi Motor Sinkron Linier dengan Magnet Permanen Sebagai Penggerak KRL Terbaru","authors":"Sofitri Rahayu, Y. Baskoro","doi":"10.33322/energi.v11i2.489","DOIUrl":"https://doi.org/10.33322/energi.v11i2.489","url":null,"abstract":"The latest electric train at this time has begun to be widely used linear synchronous motors with permanent magnets as driving locomotives.  This  permanent  magnet  has  the  same  function  as  a conventional synchronous motor which is to produce a magnetic field so that the motor can move linearly. This  linear  synchronous  motor  does  not  have  a  gear  (gear)  and  axis,  but  the  mechanical motion of this linear motor is synchronous with the magnetic field running. This running magnetic field is produced by the entanglement of the three phases and the arrangement of magnetic poles U, S, U, S. Because the motor is linear synchronous is a high-speed motor, the mechanical speed is the same as the speed of the magnetic field running. So that this motor is capable of producing large thrust compared to the use of conventional motors (DC motors and induction motors) to drive electric rail trains. If the conventional synchronous motor uses a frequency of 50 Hz, then the linear high-speed synchronous motor uses a frequency of 5-50 Hz in changing its speed and this research the efficiency, electromagnetic power (thrust) and thrust force of a synchronous motor will be analyzed. linear according to the frequency selection from 5-50 Hz, to drive the electric train locomotive.","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121605686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Simulasi Pemodelan Sistem Eksitasi Statis pada Generator Sinkron terhadap Perubahan Beban","authors":"Hastuti Azis, Pawenary Pawenary, M. Sitorus","doi":"10.33322/energi.v11i2.483","DOIUrl":"https://doi.org/10.33322/energi.v11i2.483","url":null,"abstract":"Excitation system is one of the most important parts of synchronous generators, where the system functions to provide dc power to the field generator coil. Iin this study, a static excitation system consisting of transformers and connected thyristors in bridge configuration has been implemented in synchronous machines that operate as 206,1 mva capacity generators, 16,5 kv using the help of matlab simulink r2017b software. By adjusting the load given to the generator, variations in excitation currents can affect the amount of output voltage generated by the generator so that it can increase and decrease the induced voltage. In full load conditions, namely p = 175 mw, q = 100 mvar, the results of the study show that when the simulation is run at alpha 0 °, it is known that the average value of dc voltage is 496,4 v, excitation current is 1057 a and voltage generator output has increased beyond its nominal voltage of 16,72 kv. in this case, to maintain the terminal voltage, the excitation current must be reduced by increasing the angle of shooting of the thyristor to an alpha angle of 45 °, so that the average dc voltage can be reduced to 479,3 v, as well as the excitation current to 985,9 a. the generator output voltage at the alpha 45 ° angle is obtained according to its nominal value of 1,.5 kv.","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"162 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124553863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Konsep Fotovoltaik Terintegrasi On Grid dengan Gedung STT-PLN","authors":"A. Hasanah, Rinna Hariyati, M. Qosim","doi":"10.33322/ENERGI.V11I1.394","DOIUrl":"https://doi.org/10.33322/ENERGI.V11I1.394","url":null,"abstract":"Entering the 21st century, oil and gas supplies are running low. While the need for energy is increasing, especially in industrialized countries, it will increase to 70% between 2000 and 2030. In 2017, the electricity needs will reach 25.4 trillion kWh. Solar energy that can be generated for the entire Indonesian mainland which has an area of ​​± 2 million km2 with a radiation distribution of 4.8 kWh/m2/day is 5.10 mW, equivalent to 112,000 gWp. In terms of technique in totality it can be said that it is feasible to operate, solar panels have an efficiency increase of 17.4%. In terms of components and regional quality that will be absorbed by PLTS and synchronized by KWH EXIM, from calculations with a performance ratio yielding 81%, so the system is technically said to be feasible to be realized.","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122878164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analisis Perbandingan Efisiensi Penyaluran Listrik Antara Penghantar ACSR dan ACCC pada Sistem Transmisi 150kV","authors":"Oktaria Handayani, Tasdik Darmana, Christine Widyastuti","doi":"10.33322/ENERGI.V11I1.480","DOIUrl":"https://doi.org/10.33322/ENERGI.V11I1.480","url":null,"abstract":"Electricity need in Indonesia continues to increase in accordance with the rate of recovery of the economy and industry and the increase in population. The transmission line transmits electricity from the power plant to the load center via the High Voltage transmission lines (SUTT) or Extra High Voltage Transmissio lines (SUTET), because the long distance causes power losses. The condition before the reconducting of Tebing Tinggi - Kuala Tanjung transmission uses ACSR conductor types and after the reconducting has been replaced by the ACCC, where ACCC has 2 times the current trying of the type of ACSR. In this study, we will examine and analyze the magnitude of the power losses and the efficiency of the distribution of the two types of ACSR and ACCC supply channels with a case study of the 150 kV transmission system Tebing Tinggi - Kuala Tanjung which has a distance of 71.5 km. From the calculation results obtained, after the reconducting process using the conductor the ACCC was able to reduce power losses and increase efficiency by 1.35%. \u0000  \u0000 ","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"195 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129964451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Kajian Ketelitian Current Transformer (CT) Terhadap Kesalahan Rasio Arus pada Pelanggan 197 kVA","authors":"A. Hasanah, Tony Koerniawan, Yuliansyah Yuliansyah","doi":"10.33322/ENERGI.V11I1.390","DOIUrl":"https://doi.org/10.33322/ENERGI.V11I1.390","url":null,"abstract":"With the growth of electricity consumption getting bigger, the possibility of greater losses arises from measuring energy in customers. One cause of the losses due to mistakes in flow ratio CT (Current Transformer) installed on APP Box indirect measurement. Necessary to test the CT accuracy class to determine the current ratio error limits set by the standard PLN. Then do the replacement on the CT accuracy class to resolve this issue. This activity is done at the customer PT. Astra Int Auto 2000 by replacing the CT accuracy class of 0.5 becomes 0,5S. There is a comparison of the measurement between the two different classes. Based on the results of tests performed, a decline in the current ratio error before and after the replacement of accuracy class. After calculating the error margin of the second flow ratio CT installed that are not measured by the energy meter. This Value kWh that is the losses to PT. PLN (Persero) Area Depok. So understanding CT as one of the tools of measurement (instrumentation) should be changed to a point of transaction (point of transaction). So that the revenue gains kWh a business orientation that is fundamental to PLN by pressing slightly possible energy losses (losses) that occur in the measurement system.","PeriodicalId":377082,"journal":{"name":"Energi & Kelistrikan","volume":"137 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124335487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}