Dasar-dasar Rangkaian Listrik Disertai Contoh Soal-soal dan Pembahasannya

Ratnadewi, Ratnadewi

doi:10.31219/osf.io/rc3mn

Cited by 4 publications

(6 citation statements)

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“…The EMME/4 program yields a matrix as its final output, which will be employed for MAT estimation through the Maximum Likelihood method and the negative exponential resistance function. Still, before that, it is necessary to calibrate the β parameter as a parameter that describes the average travel cost [2]. This β parameter will be used to compute the resistance function with a negative exponential approach within the gravity formula.…”

Section: Study Methodsmentioning

confidence: 99%

“…This study used the ML method in the calibration process for the β parameter. Based on combined probability density theory, for example, a random variable x 1 , x 2 , x 3 , ... xn, which is a stochastic variable characterized by its probability density function, which is expressed by f(x, 𝜃) [2], [11]. The value of 𝜃 is an unknown variable.…”

Section: Maximum Likelihood (Ml) Formulationmentioning

confidence: 99%

“…Traffic is inseparable from the needs of people's lives. According to [2], the demand for movement is a derivative need, where every movement occurs to fulfill community needs. If the movement that happens is not controlled correctly, it can cause transportation problems.…”

Section: Introductionmentioning

confidence: 99%

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Origin-destination matrix estimation in Solo agglomeration with the maximum likelihood method

Agustin,

Millah,

Briliansyah

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The movement of vehicles is one form of fulfilling community needs. High vehicle movement can cause transportation problems, one of which is congestion. To overcome this problem, planning a transportation system is essential. Using the EMME/4 program, we analyzed the distribution of movements in the Origin Destination Matrix (MAT) using a gravity model. Using the User’s Equilibrium method, the study aims to determine the parameter β, data validity value (R2), and movement patterns. The research study area was carried out in Solo Agglomeration with 19 zones. The results indicate a β value of 0.0796 (R2 = 0.817), with an estimated Solo Agglomeration movement of 34428 passenger-car-units per hour in 2023. The most extensive distribution of movements occurred within internal movements, making up 62.85%, while the smallest were external-external movements, accounting only for 4.01%.

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Section: Study Methodsmentioning

confidence: 99%

Section: Maximum Likelihood (Ml) Formulationmentioning

confidence: 99%

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Origin-destination matrix estimation in Solo agglomeration with the maximum likelihood method

Agustin,

Millah,

Briliansyah

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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“…Sudut yang didapat pada daya nyata (P) dengan daya semu (S) adalah sudut cos phi. [4]. Prinsip perbaikan faktor daya dapat ditunjukkan pada gambar 1.…”

Section: Perbaikan Faktor Dayaunclassified

Penggunaan Kapasitor Bank Untuk Memperbaiki Faktor Daya Dan Mengurangi Rugi-Rugi Daya Menggunakan Fuzzy Logic Controller Di Quest Hotel Kuta Badung

Wiantara¹,

Mataram²,

Manuaba³

2020

SPEKTRUM

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Quest Hotel Kuta is a place of business engaged in lodging services. To support operationalneeds, the hotel uses electrical equipment, most of which are inductive. The use of high inductiveloads can produce high reactive power, depending on the power factor because the active powerobtained from the installed power will be less. Based on the measurement results at Quest Hotel Kutathe measured power factor is 0.70, while PLN charges the excess cost of kVARH to the customer ifthe average power factor is less than 0.85. To be able to improve the low power factor can be done byusing a capacitor bank, the capacitor uses the reactive power required at the inductive load. Changingthe power factor in consumers can change. To equalize the power change factor, the capacitor bank isassembled to work multiple steps / multi steps. Multi-step capacitor banks consist of several capacitorswith the same or different capacities. Based on the results of measurements before using the fuzzylogic method, the obtained power factor is 0.70 to 0.74 while the capacitors are installed from 12.5kVAR to 25 kVAR. After using the fuzzy logic controller method the power factor obtained is 0.80 to0.87 and capacitors using the 13.1 kVAR to 22.4 kVAR method. Whereas the power losses beforeusing the fuzzy logic controller method are 26220.5 watts. After using the fuzzy logic controllermethod, the power losses incurred were 23214.45 watts.

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“…The separation of residence and work location should be minimized to consider the convenience of commuting trips to participate in subsistence activities. It is noteworthy because subsistence activities have the most significant motivation to make people travel [3]. Due to fulfilling their needs, human is obliged to work, requiring them to make trips to their office in another place and often closer to the city center.…”

Section: Introductionmentioning

confidence: 99%

Enhancing workers’ quality of life: why land use mix should be increased? (Case study: Semarang City)

Badawi Wempi Suek

2024

IOP Conf. Ser.: Earth Environ. Sci.

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Nowadays, many urban workers are struggling and exhausted because of commuting activity due to the effect of urban sprawl. In order to overcome the externalities of the sprawl, many cities are directed to become more compact, to reduce travel time and cost. The efficiency that comes from the proximity of mixed-use development helps workers allocate time and money for participating in other activities and indirectly increases their quality of life. This article reviews the importance of increasing the land use mix to facilitate workers’ activities. The network and entropy index analyses are used to examine the land use mix in the study area. Then the result is discussed in the context of the travel behavior approach theory. The result shows the aggregate land use mix in the study area is moderate-mix with an index of 0,47. In detail, areas under 2 kilometers have a high mix of land use (0,63-0,74), but the value decreases as it moves away from the city center to an index of 0,4. This study reveals that increasing number of land use variants does not improve the land use mix, but balancing the proportion of land use area is more important to increase the mix. It is necessary to improve land use mix because there are approximately 6.939-13.877 workers in the area that should be facilitated so they might participate in other activities effectively. Workers with a simple trip chain might be facilitated handily. But as the land use mix increases, workers with a complex trip chain might fulfill their needs within the area. Integrating land use and transportation allows workers to make active trips, which can affect their health and quality of life.

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Dasar-dasar Rangkaian Listrik Disertai Contoh Soal-soal dan Pembahasannya

Abstract: #post print, Buku, Penerbit Alfabeta Bandung, 2015, http://cvalfabeta.com/0609-detail-.html

Cited by 4 publications

References 0 publications

Origin-destination matrix estimation in Solo agglomeration with the maximum likelihood method

Origin-destination matrix estimation in Solo agglomeration with the maximum likelihood method

Penggunaan Kapasitor Bank Untuk Memperbaiki Faktor Daya Dan Mengurangi Rugi-Rugi Daya Menggunakan Fuzzy Logic Controller Di Quest Hotel Kuta Badung

Enhancing workers’ quality of life: why land use mix should be increased? (Case study: Semarang City)

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