Analysis of Discharge Rate and Ambient Temperature Effects on Lead Acid Battery Capacity

Fatullah, Muhammad Alif; Rahardjo, Amien; Husnayain, Faiz

doi:10.1109/icird47319.2019.9074667

Cited by 12 publications

(5 citation statements)

References 7 publications

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“…The next step is to distribute the diagnostic load depending on the performance characteristics of the cells, and in this case -the current battery charge. For this, we introduce the required coefficient according to the formula (6). Thus, the number of checks per element is calculated by the formula (7).…”

Section: Methodsmentioning

confidence: 99%

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Improving the Functioning Reliability of the Information Management System Elements, Using Built-in Diagnostic Tools

Kleiman

Freyman

2021

RIC

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Context. In the modern world, information management systems have become widespread. This make it possible to automate the technological processes of enterprises of various sizes. Many information management systems include wireless and autonomous elements. Autonomy, in this case, means the ability of the system elements to function for a certain time without additional energy supply. In this regard, such a parameter of operational reliability as the battery life of a system element becomes one of the most important. One of the main tools for improving the reliability and fault tolerance of information management system elements – is the use of a modern diagnostic system. Objective. The aim of the work is to develop a method for increasing the reliability of the functioning of autonomous elements of information management systems. It includes the creation of a model of an information management system and an algorithm for reasonable redistribution of diagnostic functions, as well as a software implementation of the developed algorithm, which confirms its higher reliability indicators in comparison with other algorithms. Methods. The basic model was the Preparata-Metz-Chen model. On its basis, a new model of the system was built, including the structural and logical description of the elements and the determination of the way of their interaction. The elements were classified by the degree of criticality of the functions performed in the system. On the basis of the developed model and description of the elements, an algorithm was developed for the reasonable redistribution of the diagnostic load, which made it possible to reduce the average energy consumption of the elements and thereby improve the reliability indicators. A software implementation of the developed algorithm was created, which allows to numerically evaluate its advantages. The developed and existing algorithms were compared. Results. A model of information management system has been developed. In such a system, it is proposed to use an integrated test diagnostics system. This diagnostic system implements algorithms for redistributing the diagnostic load. To determine the importance of the characteristics taken into account, a linear criterion was chosen, as the most studied and fastest in application. A software model, that implements the developed algorithm and makes it possible to compare it with existing algorithms, has been developed. A study of the software model with various parameters was carried out and, based on the results of the software simulation, conclusions were drawn about the possibilities of improving the algorithm and directions for further scientific research were formulated. Conclusions. The usage of the developed algorithm makes it possible to increase such a characteristic of the reliability of the elements of the information and control system as the mean time of failure-free operation (mean time between failures) by increasing the operating time of autonomous elements without recharging. When carrying out software modeling of the developed and existing algorithms, the advantages of the first were confirmed, and theoretical possibilities for its improvement were formulated.

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Section: Methodsmentioning

confidence: 99%

“…It allows reducing the load on the most important elements of the system or elements with a low battery charge. This will allow them to reduce the rate of discharge of the battery [6] and increase battery life without recharging. As a result, the reliability of the functioning of the IMS elements increases [7].…”

Section: Review Of the Literaturementioning

confidence: 99%

Improving the Functioning Reliability of the Information Management System Elements, Using Built-in Diagnostic Tools

Kleiman

Freyman

2021

RIC

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“…The traditional energy storage model does not consider the effect of ambient temperature on the battery, but the actual usable capacity is related to the surface temperature of the battery [21,22], which is mathematically expressed as follows:…”

Section: Battery Storage Modelmentioning

confidence: 99%

Optimized Dispatch of Regional Integrated Energy System Considering Wind Power Consumption in Low-Temperature Environment

Li,

Huang,

et al. 2023

Energies

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The wind abandonment phenomenon of cogeneration units in regional integrated energy systems (RIES) under the operation mode of “heat for electricity” and the improvement in the operation efficiency of the energy storage system under a low-temperature environment are problems that need to be solved urgently. To this end, a regional integrated energy system optimization scheduling method based on fine energy storage and wind power consumption is proposed in the paper. First, a fine energy storage model more adapted to a low-temperature environment is established on the power side to accurately simulate the actual working state of the energy storage components and quantify the uncertainty of the wind power output using the conditional value-at-risk (CVaR) theory. Then, a combined heat and power demand response mechanism is introduced on the load side to reduce the peak-to-valley difference in the heat and power loads, it is realized to promote the system’s consumption of wind power without increasing the transmission power of the contact line. Finally, the example is solved on the MATLAB platform with the objective of minimizing the total cost of the RIES optimal dispatch. The simulation results show that the proposed model is not only more adaptable to a low-temperature environment compared with the traditional model but also reduces the overall cost of the system by 2.58% while realizing the complete consumption of wind power. This innovative study provides a feasible and efficient solution to improve the performance of integrated energy systems, especially the operation capability in extreme environments.

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“…Gangguan yang sering terjadi pada baterai ini yaitu terdapat suhu lebih saat pemakaian yang memiliki dampak pada penurunan usia pakai baterai, sehingga kapasitas pemakaiannya juga akan menurun. Faktor yang dapat mempengaruhi kapasitas baterai yaitu tingkat debit (pelepasan) dan suhu lingkungan [9].…”

Section: Pendahuluanunclassified

Prediksi usia pakai baterai pada sistem pencadangan unit 3 PLTU Suralaya

Fauziah

Laksono

2021

JITEL

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Sistem cadangan sangat penting dan wajib dimiliki dalam sebuah sistem produksi. Sistem ini berfungsi untuk menjaga keandalan dari sistem tersebut. Pembangkit Listrik Tenaga Uap (PLTU) PT. Indonesia Power Suralaya merupakan salah satu perusahaan penghasil listrik yang menggunakan baterai sebagai sistem cadangan, terutama pada peralatan listrik yaitu menggunakan sistem baterai 220 VDC. Pada sistem pencadangan ini terdiri dari 104 sel baterai dan masing-masing sel baterai bernilai 2 VDC berjenis asam timbal. Masalah yang sering terjadi pada sistem baterai tersebut yaitu suhu kerja yang melebihi suhu yang ditentukan oleh spesifikasi baterai untuk bekerja maksimum dikarenakan faktor cuaca lingkungan. Permasalahan ini berdampak terhadap usia pakai baterai menjadi lebih pendek. Oleh karena itu, penelitian ini bertujuan untuk mengetahui pengaruh suhu lebih terhadap usia pakai baterai asam timbal. Data pada penelitian ini diperoleh berdasarkan pengukuran rutin bulanan yang diukur langsung menggunakan thermogun dengan analisis data menggunakan metode regresi linier. Berdasarkan hasil analisis didapat bahwa usia pakai baterai pada saat kondisi ini akan bertahan selama 13 tahun 2 bulan sejak awal dipasang yaitu sejak bulan Februari tahun 2017, dengan usia pakai seharusnya yaitu 20 tahun atau berkurang sekitar 7 tahun (± 35%) dibandingkan spesifikasinya. Dengan demikian, pada bulan Agustus tahun 2029 baterai direkomendasikan untuk diganti.

show abstract

Analysis of Discharge Rate and Ambient Temperature Effects on Lead Acid Battery Capacity

Cited by 12 publications

References 7 publications

Improving the Functioning Reliability of the Information Management System Elements, Using Built-in Diagnostic Tools

Improving the Functioning Reliability of the Information Management System Elements, Using Built-in Diagnostic Tools

Optimized Dispatch of Regional Integrated Energy System Considering Wind Power Consumption in Low-Temperature Environment

Prediksi usia pakai baterai pada sistem pencadangan unit 3 PLTU Suralaya

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