State Electricity Company Research Articles

Analisis Manfaat Penyertaan Modal Negara Pada Program Pembangunan Infrastruktur Listrik Desa Provinsi Bali

Infrastructure in Indonesia needs to be developed every year following the economic growth of Indonesia and the world. Regarding the availability of electricity resources, there are still many households in rural Bali that do not have electricity facilities so that rural communities cannot be fully productive economically. This study aims to measure the effectiveness of government investment through State-owned Equity Participation to the State Electricity Company (PT. PLN) in the Java-Bali electricity infrastructure development program, especially in the village electricity program in Bali Province. This study uses a qualitative method using Atlas.ti software to analyze the results of interviews by providing codes in the form of a collection of words that are most relevant and needed in research. This study also calculates the benefits of government investment through a cost and benefit analysis approach. The results show that the Java-Bali electricity infrastructure development program, especially the village electricity program in Bali Province, has effectively increased the electrification ratio by 100%. Other results show other benefits of village electricity projects such as increasing productivity, cost and energy efficiency, improving living standards, adding insight and information, and also facilitating small and medium enterprises in the villages of Bali Province.

Influence of service quality and price of new electricity on the level of satisfaction by household customers

The new Install process at State Electricity Company (SEC) is the first interaction between prospective customers and SEC. Customers may evaluate and react to the quality of services and the number of new installation costs paid throughout the process. These issues must be addressed very away since they may impact consumer satisfaction with electricity services. This research focuses on customer satisfaction with service quality and pricing perceptions of new pairs at SEC Rivai is Customer Service Unit (CSU). The data utilized is current. Thus it is applicable to present circumstances. However, since the quantity of sample data in this study is still limited, it can only represent customer satisfaction on a single scale, which may be the starting point for future research.

Dynamic System Modeling of Renewable Energy Diversification at ITS Surabaya as a Sustainable University Management Effort

Diversification is an effort to diversify various energy sources through reducing the use of fossil energy sources and substituting them with other energy sources including RE in order to optimize energy supply. Meanwhile, energy conservation is a systematic, planned and integrated effort to conserve existing energy resources and increase the efficiency of their use. Energy has a very significant role in human life in all sectors. Where energy demand in the commercial sector such as offices and services is still largely dominated by electricity around 60% -70%. Where the management is still largely managed by the State Electricity Company (PLN). The electricity consumption of the ITS Surabaya campus in 2019 around 9,586,857.72 kWh / year is still supported by PLN with a total expenditure of more than 9 billion. Considering the Indonesian government's program on the Target of Diversification of RUEN at least 23% in 2025 and 31% in 2050 and one of the 2030 Agenda for Sustainable Development Goals (SDGs) globally namely clean and affordable energy, the ITS Surabaya management effort is to achieve diversification of energy sources 50% renewable as stated in the 2015-2020 RENSTRA Target. The effort to diversify this renewable energy is by building a 16 KWP On Grid Solar Power Plant in the Research Center Building, which has produced around 26,290.92 kWh / year during the 2019 period.

Solar-Powered Electrocoagulation System for Tofu Wastewater Treatment and its Characteristic

This study aims to investigate the ability of solar-powered electrocoagulation for tofu wastewater, especially for reducing COD and TSS. This feasibility was compared with conventional electrocoagulation using electricity from the state electricity company. The study was conducted on a laboratory scale using a batch reactor electrocoagulation and aluminium electrode. The types of electrolytes used are sodium chloride and potassium chloride. The contact time is 0, 2, 4, 6, and 8 hours. The results showed that removal of COD and TSS in tofu wastewater increases with a longer electrolysis time. During two hours of electrolysis time, the removal of COD and TSS were 25 and 53.85%, respectively. This process yielded the highest COD and TSS removal of 75 and 76.9%, respectively, at 6 hours. Pseudo-second order kinetics about COD removal, both in conventional and solar panel systems, is concluded. By adding NaCl electrolytes, the conductivity of wastewater was increased, and then the removal of COD and TSS was also increased. At the end of the electrolysis time (5 hours), the pH of wastewater was neutral. The results of sludge characterization using FTIR showed the presence of hydroxyl groups, amide compound, and aromatic compound. The process of using solar panels gives results slightly different from conventional electricity, but has advantages in terms of lower operating costs and environmental friendly.

Private Sector Contribution in Achieving the Sustainable Development Goals (SDGs) 7 in Kendari, Indonesia

This study aims to explain and find out how the contribution of PT DSSP Power Kendari in achieving sustainable development goals (SDGs) 7 (clean and affordable energy) through cooperation between PT DSSP Power Kendari and State Electricity Company (PLN). This study uses a qualitative approach and type of descriptive research with data collection techniques through interviews and documentation. This study uses the theory of sustainable development using the concept of Public-Private Partnership (PPP). The results of the study show that the contribution of PT DSSP Power Kendari in achieving SDGs 7 is to collaborate with PLN with a contract period of 25 years, to provide electricity with a capacity of 2 x 50 megawatts and create electricity education programs for the younger generation, this contribution is made to achieve development sustainable electrical energy by discovering the use of household electricity in the city of Kendari.

Solar Energy Hybrid Control System Design Photovoltaic Using Fuzzy Logic Controller

Design of hybrid control system of solar energy and State Electricity Company electrical energy using fuzzy logic controller aimed to set the time switch control with State Electricity Company electrical energy. The control system uses fuzzy logic to control when the dynamic load is supplied by the solar array and when supplied by a source of electricity. Input of fuzzy logic is the intensity of sunlight, the load current and the percentage of state of charge of the battery. The output of the fuzzy logic is a dynamic load of electricity supplied by the source. Switch on time is dependent on the three input. Results of experiments with the initial battery state of charge by 25%, switch control on at the time outside the peak load and can maintain the condition of the battery state of charge between 20-90%. Daily load changes of ± 20% does not affect the performance of the switch control (works well).

Monitoring of Photovoltaic Performance as an Alternative Energy Source in Campus Buildings

Universitas Bangka Belitung is currently supplied by electricity from the State Electric Company in 690 kVA. Concerning utilizing renewable energy at Universitas Bangka Belitung, the solar power plant is an alternative energy source that will implement. Therefore it is necessary to design a solar power plant with a monitoring system to be known at any time the performance of the solar power plant. Monitoring is conducted in real-time via a website displaying several photovoltaic parameters, including voltage, current, humidity, temperature, and solar irradiation. From the measurement results obtained environmental parameters for temperature between 26°- 56.4°C, humidity 23.6% RH - 85.6% RH and solar irradiation 4.4 W/m2 - 1281.4 W/m2. The measured voltage of 11.41 - 18.95 volts with the rated current from the load used is 0.05 - 1.5 amperes.

Empowering Gili Ketapang Island: Dissemination of Environmentally Friendly Photovoltaic Technology to the Young Generation

Solar Cell Research Group, which is under Advanced Materials Research Group, Department of Physics, Faculty of Science and Data Analytics, ITS Surabaya, with its competency and research, tries to be actively involved in contributing and providing alternative solutions to problems in society, especially regarding the problem of global warming and energy crisis. One of the concrete actions is through community education activities to increase understanding and awareness of the use of environmentally friendly photovoltaic technology on Gili Ketapang Island, Probolinggo. This island is one of the most populous small islands in Indonesia with the problem of ‘high-cost electricity from the state electricity company. The training materials provided for this activity include the Qur’an and Science, global warming, energy crisis, and renewable energy, and the use of photovoltaic energy technology. Thus, the understanding, awareness, and independence of the community of Gili Ketapang Island in the electricity sector can be improved by utilizing renewable energy sources, especially photovoltaic technology. In the long term, the role of various renewable energies in the future is expected to be more significant on this island by utilizing this abundant solar energy

Kontribusi BUMN (Badan Usaha Milik Negara) Pada SektorEkonomi Dalam Menghadapi Pandemi Covid-19

The objective of this research is to find out how the contribution of SOEs in the economic sector in the face of theCovid-19 pandemic which threatens economic stability and the consequences of the Covid-19 pandemic in theeconomic sector. The research method used was qualitative by following the typology of normative legalresearch. The research data were collected by means of literature and document studies. The data that has beencollected will be identified and arranged systematically and written descriptively and analyzed qualitatively. Theresearch results obtained are: 1. Contribution of SOEs in the economic sector in the context of facing the Covid-19pandemic, including a. The State Electricity Company (PLN) which contributes to providing free electricityassistance; b. PT Jamkrindo and PT Askrindo contributed in providing credit guarantees; c. Pegadaian, PNM, andBRI contributed in providing interest subsidy incentives. 2. The consequences arising from the Covid-19pandemic in the economic sector include household consumption or people's purchasing power of the economywhich has decreased drastically, there is prolonged uncertainty so that investment weakens and has implicationsfor the cessation of business, and the whole world is experiencing economic downturn so that Commodity pricesfell and Indonesian exports to several countries also stopped.

Remote Monitoring Application for Automatic Power Supply System in Telecommunication Network

The source of backup power supply at telecommunication BTS is only temporary because its power only depends on the generator and battery capacity used. However, on the other hand, the backup power system is rarely monitored due to a lack of resources such as human resources and the remote location of the equipment/site. Meanwhile, the use of Android which is open source is now widely used by the public for many things, but there are still not many Android applications used to control the power supply system. The purpose of this research is to design and analyze the automatic backup power system on the integrated power system in the telecommunication network by adding an Android application to monitor the occurrence of faults in the system. The communication used in this research is the connection of the automatic backup power control circuit, the microcontroller, the webserver, and the android application itself. Automatic backup power control circuit in the form of a main power transfer control circuit, for example, the power from State Electricity Company (PLN), if a problem occurs it will switch to the back-up power in the form of a generator and battery. The results show that the design of the automatic power system device can work properly.

Design of solar power plants with hybrid systems

The design of hybrid power plants aims to provide alternative solutions to the community in the event of a power outage. This solar power generation system utilizes solar panels that have the function of converting sunlight energy into direct electrical energy which is used as the main source in battery charging. In a hybrid solar power plant system that is made equipped with a logger system that stores data about temperature, current, voltage on the solar panel, battery percentage, output power at the load, charging source and the power used at the load. From the results of the design and testing of the hybrid charging system, the main power source of the solar panel, if the battery power is less than 40%, the charging system moves to PLN (the state electricity company) and when the battery power is above 50%, the charging from the PLN will be turned off, at Auto Transfer Switch (ATS) system will be active if the power from the PLN goes out, the relay will move the PLN power to battery power for 3 seconds due to the start of the inverter, if the PLN power is on, the power from the inverter will move to PLN directly with no pause.

Company participation in supporting national energy security through collective installation of rooftop solar panel of employees’ houses as an effort to accelerate increased utilization of solar energy

To support the achievement of government targets in the New and Renewable Energy Program, and to play an active role in responding to global issues related to energy, environment, global warming, and energy conservation issues, large and medium-sized companies can encourage them to use renewable energy. energy through a campaign for all employees to take advantage of the solar panel system in every home, which can be integrated with the electricity grid of the State Electricity Company (PLN). The direct benefit that employees get from using a solar panel system is that it can reduce household electricity bills. The campaign was continued by realizing a collective rooftop solar panel installation program for employee rooftops with an instalment system that was not burdensome for 24 to 36 months, which was deducted from wages through the payroll system, of course taking into account the Company’s ability to fund the purchase and installation of rooftop solar panels. With this program, assuming a total capacity of 200 kWp in each company (around 100 employee houses), the maximum cost impact for the company is around Rp. 3.6 billion. If this program can be implemented simultaneously by all large and medium-sized companies in Indonesia, the potential for achieving solar energy use in 7 months could reach 6.72 GWp. Meanwhile, the Indonesian government is targeting the use of solar energy for the national energy mix in 2025 at 6.5 GW. With the participation of companies and supporting them, it is one way to achieve the target of using solar energy in Indonesia, which is 6.5 GW by 2025.

Correlation between Organizational Roles, OBC, and Organizational Commitment toward Employees of the Limited Liability Company of State Electricity Company of APJ Jember

This study aimed to determine the influence of organization commitment to Organizational Citizenship Behavior (OCB). The sample at the Limited Liability Company of APJ Jember area, it is state-owned company that operates in the electricity sector with total of 82 employees. Researchers collected data by using questionnaires, documentation study, interviews and surveys. Testing of validity, reliability, normality, multicolinearity, heteroscedasticity, and hypotheses was carried out using IBM SPSS 17.00. The results showed that there was influence from the organizational culture; Organizational Citizenship Behavior simultaneously improved the workforce performance in the scope PT. PLN (Persero) of APJ Jember. This result either culture, OCB and the organization had positive and meaningful influence in improving employee performance. Organizational commitment had very significant / dominant influence and was able to improve employee performance more optimally than organizational culture and organizational citizenship behavior.

Pengaruh Perubahan Beban Terhadap Putaran dan Daya Masuk Motor Induksi Tiga Fasa (Aplikasi Pada Laboratorium Konversi Energi Listrik FT-UHN)

An electric motor is an electro-magnetic device that converts electrical energy into mechanical energy. This mechanical energy is used to, for example, rotate a pump impeller, fan or blower, drive a compressor, lift materials, etc. Electric motors are also used at home (mixers, electric drills, wind fans) and in industry. Electric motors are sometimes called the "workhorse" of industry because it is estimated that they use about 70% of the industry's total electrical load.
 And at this time the power from the power source, namely PLN (State Electricity Company) often changes in voltage. Therefore, it is necessary to know by calculating the rotation and input power which is influenced by changes in the load of an induction motor as an illustration of induction motors in society which generally use single-phase induction motors. In this article, a 4 HP cage rotor 3-phase induction motor with a voltage of 380/220 volts is used in the electrical energy conversion laboratory of FT-UHN.

Pengaruh Perubahan Beban Terhadap Putaran dan Daya Masuk Motor Induksi Tiga Fasa (Aplikasi Pada Laboratorium Konversi Energi Listrik FT-UHN)

An electric motor is an electro-magnetic device that converts electrical energy into mechanical energy. This mechanical energy is used to, for example, rotate a pump impeller, fan or blower, drive a compressor, lift materials, etc. Electric motors are also used at home (mixers, electric drills, wind fans) and in industry. Electric motors are sometimes called the "workhorse" of industry because it is estimated that they use about 70% of the industry's total electrical load.
 And at this time the power from the power source, namely PLN (State Electricity Company) often changes in voltage. Therefore, it is necessary to know by calculating the rotation and input power which is influenced by changes in the load of an induction motor as an illustration of induction motors in society which generally use single-phase induction motors. In this article, a 4 HP cage rotor 3-phase induction motor with a voltage of 380/220 volts is used in the electrical energy conversion laboratory of FT-UHN.

Using of Sun Power Plant to Light Out The Residential Environment of Lau Damak Village

Until now, it seems that electricity is still a challenge in Indonesia, there are still many who have not enjoyed electricity for those who live in suburban or coastal areas, and some are located not far from cities. The target area is relatively close to the center of the capital, but has escaped the attention of the government because the location is quite remote with a minimal population, so it is considered uneconomical to provide electricity to this area. This hamlet is also inhabited by less than 18 families, so that only those with an interest are left in and out of this hamlet. The remote location from one house to another makes the construction of the electricity network no longer efficient for State Electricity Company. Therefore, people must be willing to live without electricity. Lighting as a basic need must be met from an oil lamp (sentir). Some residents who have a few advantages will buy individual generators. This generator only operates from 06.30 pm to 09.00 pm. After entering the sleep time, the generator is immediately turned off, the lighting is continued using an oil lamp. The emergence of the USU Community Services Implementing Team to this partner area provided new hope for the community. The community enthusiastically complained about this condition and hoped that the USU Community Services Implementation Team could help with these residents' problems. The results of monitoring by the Community Services Implementing Team at several residents 'houses proved the residents' complaints. Electric lighting as a basic need for residents is believed to be able to be completed using existing knowledge at the university in the form of lighting using solar power. Science and Technology The USU Community Services Team through the joining program has now produced economical science and technology products and realizes the expectations of the people in this region. Now people can enjoy light for 24 hours using electricity from solar energy. The community would like to thank the team and university for the scientific products that were donated to this village.

Smart solar powered hydroponics system using internet of things and fuzzy association rule mining

Hydroponics is an alternative to limited space agriculture by involving electrical energy for irrigating nutrients for plants. Apart from using an AC power source, hydroponics can also use a DC power source which makes it more portable and can be placed in a location far from the PLN(State Electricity Company) electricity source. DC power sources also have the potential to be supplied by renewable energy sources such as solar power directly without AC / DC conversion. However, solar energy sources have a weakness in the influence of the weather. The study proposes the implementation of the Internet of Things (IoT) to classify the condition of energy sources in its implementation of solar energy powered hydroponics system. The research involves the development of IoT devices to collect energy data generated by solar cells and stored in batteries and environmental conditions, namely light intensity, temperature, and humidity. The proposed IoT system classifies conditions based on the remaining energy in the battery and current weather conditions using the Fuzzy Association Rule Mining (FARM) algorithm. The system also considers the remaining hours of the day, because at night solar energy cannot be produced. The simulation result shows the developed solar-powered hydroponics system capable to keep supplying energy for 24 hours with three 10wp solar cells and a 7Ah battery for the deep flow technique hydroponics with the 24 pot with 1-meter stand and 20watt water pumps. The IoT system capable to collect data and the proposed regression algorithm FARM is capable to do the regression with low error rates (0.06 mean absolute error and 0.24 mean square error) with three days of data. The FARM also capable to extract environmental data that affect the energy generation and usage with a high average of supports (0.29) and confidence (0.32).

Design of the three-phase axial flux generator with eight permanent Neodymium magnets for charging battery 12 Volt

Today with the depletion of primary energy in the form of petroleum and coal, which has led to soaring prices of oil and coal, resulting in swelling in electricity costs in Indonesia. The swelling is also because 85% of electricity fuel is petroleum and coal and added by the development of technology in this era, which will require more electricity resources to supply the needs and demands of consumers to the state electricity company. Therefore, making research modeling as a power plant whose potential energy found in nature will be needed. In every power plant, there will be generators that will be necessary to convert mechanical energy into electrical energy. In design in axial generator flux with opposite poles, they have 12 coils on both stators, each of which has 375 turns connected in series with 8magnets Neodymium Iron Boron (NdFeB)on the rotor. The diameter of the wire email used in this generator is 0.5 mm. Tests carried out using a battery 12 Voltas a load, with the treatment of the cell, is charging using an axial generator flux. Experiments of the voltage, current, and rotational speed of the rotor to determine the power and efficiency of the generator carried out before and after the rectifier 3 phase. The rotation variation will produce harvesting energy. This research employs the system harvesting energy to charge 12 Volt lithium batteries. The test results show that change flux this magnet produces a voltage of 20 volts and a current of 0.288 A, and the interaction of the magnetic field between Aluminum-Cu electrons is capable of producing a current of 0.288 A.

IoT based kWh Meter Recorder System for Electrical Substation

The plan to abolish the substation operator raises new problems in reading the electrical energy stand, which at present all State Electricity Company units conduct it manually. This paper aims to provide a cost-effective meter data recording system to replace manual reading. The proposed solution is developed using WI-FI based internet of things (IoT) technology. Our proposed solution is implemented as a meter-recording device installed at the substation. Since deployed in December 2018, this tool works very well. Since it actively supports East Java’s performance in the pilot distribution control unit, it can be implemented in other units.

Database application based on quick response method in Subulussalam Aceh

Customers are a very important part of the sustainability of a company. The PT. PLN (Persero) is a state electricity company in Indonesia. It has many customers in the Subulussalam district. This study aims to design a customer data management system for PT. PLN (Persero) using the QR code scanner. The method used in this system uses a use case diagram and waterfall model. The database design uses the Entity Relationship Diagram (ERD) model. The system implementation uses PHP as the system interface and MySQL as its database. By scanning the QR code on the customer's meter so the officer can find out the customer's identity number and data. The system test results show that field officers can access customer data in realtime so that the information obtained becomes faster and more accurate.