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Journal articles on the topic 'Turbo-alternator'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

S, Arunkumar, Sridhar A, Praveen vaitheeswaran S, Sasikumar S, and Sefin Jose. "DESIGN AND FABRICATION OF SIMPLE TURBO ALTERNATOR." JOURNAL OF APPLIED PHYSICS AND ENGINEERING 1, no. 3 (2016): 5–10. http://dx.doi.org/10.26524/jap11.

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2

SAIDY, M., and F. M. HUGHES. "Predictive excitation control of a turbo-alternator." International Journal of Control 61, no. 3 (1995): 507–24. http://dx.doi.org/10.1080/00207179508921914.

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3

SAIDY, M., and F. M. HUGHES. "Predictive excitation control of a turbo-alternator." International Journal of Control 61, no. 5 (1995): 949–63. http://dx.doi.org/10.1080/00207179508921940.

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4

Saidy, M., and F. M. Hughes. "Predictive Control of Turbo-Alternator Terminal Voltage." IFAC Proceedings Volumes 25, no. 6 (1992): 479–84. http://dx.doi.org/10.1016/s1474-6670(17)50952-0.

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5

Skvortsov, Boris. "Specifics of turbo-alternator design with a high rotational speed of 6000 rpm." Transactions of the Krylov State Research Centre 4, no. 398 (2021): 108–22. http://dx.doi.org/10.24937/2542-2324-2021-4-398-108-122.

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Object and purpose of research. The object under study is a 36 МW turbo-alternator (TA) with electromagnetic excitation and a high rotational speed of 6000 rpm, which can be used as an option for ac electric power source of 100 Hz in ship electric power systems with a turbo-alternator plant. The purpose is to perform electromagnetic calculations to determine TA main data and technical characteristics, including the stator and rotor pack, their design, mass of active materials, etc. for comparison with a TA of the same power but 3000 rpm. Materials and methods. The studies are based on research

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6

Thomas, Cornelius Temitope, Olalekan Ogunbiyi, Mudathir Funsho Akorede, and Jimi Benjamin Olufeagba. "Assessment of Failure and Repair Behaviours of the Jebba Hydroelectric Power Station." ELEKTRIKA- Journal of Electrical Engineering 17, no. 3 (2018): 13–19. http://dx.doi.org/10.11113/elektrika.v17n3.113.

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Nigeria power generation is circa 4000 MW as at October 2016, this is far less than the national required value.Jebba Hydroelectric Power Station (JHEPS) is one of the three major hydropower stations in the country which its maximumaverage generation value is still less than the rated value of 578.4 MW. This paper presented some basic concepts of analysisof failure and repair. An algorithm was set up to extract the contiguous set of up-times and down-times to determine time-tofail (TTR) and time-to-repair (TTR) events, these events were analyzed for stochastic study. It was observed that the l

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7

OKAMOTO, Noriaki. "Study on Hysteresis Behavior of Turbo-Alternator End Bells." Transactions of the Japan Society of Mechanical Engineers Series A 63, no. 607 (1997): 618–23. http://dx.doi.org/10.1299/kikaia.63.618.

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8

Robertson, S. S., W. E. Leithead, and J. O'Reilly. "Multivariable Quantitative Nyquist/Bode Design: An Illustrative Turbo-Alternator Example." IFAC Proceedings Volumes 30, no. 6 (1997): 1167–72. http://dx.doi.org/10.1016/s1474-6670(17)43519-1.

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9

Кузьмин, Виктор Владимирович, Валентина Владимировна Шевченко та Александр Николаевич Минко. "Об оптимальном использовании материалов и снижении массогабаритных показателей торцевой зоны неактивных частей турбогенераторов". Сборник научных трудов "Вестник Национального технического университета "Харьковский политехнический институт". Серия "Энергетические и теплотехнические процессы и оборудование" (ISSN 2078-774x) 6 (21 січня 2011): 106–12. https://doi.org/10.5281/zenodo.2531011.

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<strong>На русском:</strong> [Кузьмин В.В., Шевченко В.В., Минко А.Н. Об оптимальном использовании материалов и снижении массогабаритных показателей торцевой зоны неактивных частей турбогенераторов // Сборник научных трудов "Вестник Национального технического университета "Харьковский политехнический институт". Серия "Энергетические и теплотехнические процессы и оборудование" (ISSN 2078-774x), №6. - Украина, Харьков: НТУ "ХПИ", 2011. - С. 106-112. https://doi.org/10.5281/zenodo.2530993] Проведен анализ конструкции торцевой зоны неактивной части турбогенератор

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10

Yacamini, R. "How HVDC schemes can excite torsional oscillations in turbo-alternator shafts." IEE Proceedings C Generation, Transmission and Distribution 133, no. 6 (1986): 301. http://dx.doi.org/10.1049/ip-c.1986.0044.

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11

Kebabsa, Tarek, Nouredine Ouelaa, Jerome Antoni, Mohamed Cherif Djamaa, Riad Khettabi, and Abderrazek Djebala. "Experimental study of a turbo-alternator in industrial environment using cyclostationarity analysis." International Journal of Advanced Manufacturing Technology 81, no. 1-4 (2015): 537–52. http://dx.doi.org/10.1007/s00170-015-7083-5.

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12

Nonthakarn, Prasert, Mongkol Ekpanyapong, Udomkiat Nontakaew, and Erik Bohez. "Design and Optimization of an Integrated Turbo-Generator and Thermoelectric Generator for Vehicle Exhaust Electrical Energy Recovery." Energies 12, no. 16 (2019): 3134. http://dx.doi.org/10.3390/en12163134.

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The performance of turbo-generators significantly depends on the design of the power turbine. In addition, the thermoelectric generator can convert waste heat into another source of energy. This research aims to design and optimize an integrated turbo-generator and thermoelectric generator for diesel engines. The goal is to generate electricity from the vehicle exhaust gas. Electrical energy is derived from generators using the flow, pressure, and temperature of exhaust gases from combustion engines and heat-waste. In the case of turbo-generators and thermoelectric generators, the system autom

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13

Peng, Xing Dong, Lin Hu, Pei Xin Wang, and Lian Gang Zhao. "Study on Unidirectional Solidification of Slab Ingot for Special Heavy Plate." Advanced Materials Research 189-193 (February 2011): 4033–36. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.4033.

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Unidirectional solidification is a method of producing slab ingot for special heavy plate, when compression radio is more than 2.5, internal soundness of slab ingot is assurance, and the nature of Z orientation and percent of pass through supersonic flaw detecting are increased. Products are used in oil drilling platform in ocean ,separator of steam turbo-alternator with more than 0.6 million kW, anchor gate of large-scale hydropower station, shell of nuclear power plant, armoured plate of aircraft carrier. According to dissection on 28t large-sized slab ingot, simulation experiment of crystal

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14

Htun, Theingi, and Myo Thet Tun. "Design Calculation of Parabolic Trough Solar Thermal System and Three-phaseTurbo Alternator." International Journal of Electrical and Computer Engineering (IJECE) 5, no. 5 (2015): 939. http://dx.doi.org/10.11591/ijece.v5i5.pp939-947.

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Solar energy can be converted into thermal energy with the help of solar<br />collectors. Electricity can be produced directly from solar energy using<br />photovoltaic devices or indirectly from steam generators using solar thermal collectors to heat a working fluid. This research is using the conversion of solar energy into electricity in a closed cycle driven by natural convection. It would mean that electricity is cheaper than from any other renewable technology and cheaper than from fossil fuels. This paper describes converting thermal energy collected by solar collector to el

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15

Olalekan, Ogunbiyi, Y. Ogundepo Oludare, I. Sani Madugu, Thomas Cornelius, and J. Olufeagba Benjamin. "A progressive domain expansion method for solving optimal control problem." TELKOMNIKA Telecommunication, Computing, Electronics and Control 18, no. 4 (2020): 2062–69. https://doi.org/10.12928/TELKOMNIKA.v18i4.15047.

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Electricity generation at the hydropower stations in Nigeria has been below the expected value. While the hydro stations have a capacity to generate up to 2,380 MW, the daily average energy generated in 2017 was estimated at around 846 MW. A factor responsible for this is the lack of a proper control system to manage the transfer of resources between the cascaded Kainji-Jebba Hydropower stations operating in tandem. This paper addressed the optimal regulation of the operating head of the Jebba hydropower reservoir in the presence of system constraints, flow requirement and environmental factor

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16

Thomas, Olabode Ale, Jimi Olufeagba Benjamin, and Olayinka Oyeleye Mathew. "A Markov model of generator performance at the Kainji hydro-power station in Nigeria." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 4 (2023): 3585–92. https://doi.org/10.11591/ijece.v13i4.pp3585-3592.

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The Kainji hydropower station is a seven turbo-alternator station that for many years served as the base load supply for the Nigerian power grid. Over 200,000 pieces of data about the performance of the machines were used to estimate values of the failure and repair rates for each machine and a Markov steady-state model of the plant was constructed to determine the probability output of the turbines. This result showed that Kaplan turbine (KT) 12 is prone to failure compared to any other KT unit in the hydropower plant. Also, the clusters of probability that define the system state due to the

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17

Ale, Thomas Olabode, Benjamin Jimi Olufeagba, and Mathew Olayinka Oyeleye. "A Markov model of generator performance at the Kainji hydro-power station in Nigeria." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 4 (2023): 3585. http://dx.doi.org/10.11591/ijece.v13i4.pp3585-3592.

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<p><span lang="EN-US">The Kainji hydropower station is a seven turbo-alternator station that for many years served as the base load supply for the Nigerian power grid. Over 200,000 pieces of data about the performance of the machines were used to estimate values of the failure and repair rates for each machine and a Markov steady-state model of the plant was constructed to determine the probability output of the turbines. This result showed that Kaplan turbine (KT) 12 is prone to failure compared to any other KT unit in the hydropower plant. Also, the clusters of probability that d

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18

Gunawan, Gad, and Diki Ismail Permana. "Perancangan dan Simulasi Kompressor Sentrifugal dengan fluida SCO-2 Pada Siklus Brayton Regeneratif." Jurnal Rekayasa Energi dan Mekanika 3, no. 2 (2024): 112. http://dx.doi.org/10.26760/jrem.v3i2.112.

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Di Indonesia, terdapat potensi energi baru dan terbarukan (EBT) yang cukup besar dan beragam. Salah satu sumber energi terbarukan yang tersedia adalah biomassa. Pemanfaatan Siklus Brayton dengan karbon dioksida sebagai fluida kerja pada fase superkritis merupakan salah satu metode pemanfaatan biomassa. Karena karbon dioksida tersedia secara luas di Bumi dan memiliki kepadatan tinggi pada fase superkritis, mesin turbo kompak dapat digunakan. Hal ini memungkinkan desain turbin, kompresor, dan alternator yang kecil. Keuntungan Siklus Brayton adalah penggunaan regenerator untuk pemulihan panas di

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19

Ebaid, M. S. Y., F. S. Bhinder, and G. H. Khdairi. "A Unified Approach for Designing a Radial Flow Gas Turbine." Journal of Turbomachinery 125, no. 3 (2003): 598–606. http://dx.doi.org/10.1115/1.1574824.

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Radial flow turbo machines have been used for a long time in a variety of applications such as turbochargers, cryogenics, auxiliary power units, and air conditioning of aircraft cabins. Hence numerous papers have been written on the design and performance of these machines. The only justification for yet another paper is that it would describe a unified approach for designing a single stage inward flow radial turbine comprising a rotor and the casing. The current turbine is designed to drive a direct-coupled permanent magnet high-speed alternator running at 60000 rpm and developing a maximum o

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20

"077 Predictive control of turbo-alternator terminal voltage." Control Engineering Practice 1, no. 5 (1993): 890. http://dx.doi.org/10.1016/0967-0661(93)90333-m.

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21

Pan, Yuanhang, Jiangtao Yang, Qing Li, Shoudao Huang, and Jun Ma. "Novel Hybrid Excitation High Temperature Superconducting Homopolar Inductor Alternator for Aviation Turbo-Electric System." IEEE Transactions on Applied Superconductivity, 2024, 1–6. https://doi.org/10.1109/tasc.2024.3519072.

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22

Ojongbede, H. A., I. O. A. Omeiza, C. T. Thomas, and B. J. Olufeagba. "EFFECTIVE CAPACITY AS A MANAGEMENT AND ASSESSMENT TOOL FOR A HYDRO-POWER STATION." Nigerian Journal of Tropical Engineering 16, no. 1 (2022). http://dx.doi.org/10.59081/njte.16.1.004.

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Management of large power stations in a developing nation like Nigeria is difficult due to inadequate technical expertise and funding available to plant managers, engineers and technicians. Often the effectiveness of the plants is couched in mystery as measures of “reliability”, “maintainability” and in aggregate terms “availability”, which are not easily understood by funding authorities. A more practical measure that can be easily interpreted by even the most technically uninformed, for the purpose of decision making is a new metric (Effective Capacity) that precisely represents the actual a

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23

Sengupta, Bidesh, and Chittatosh Bhattacharya. "Investigation of Energy Loss on Fractional Deposition in Last Stages of Condensing Steam Turbine Due to Blade Shape and Moisture Droplet Size." Journal of Engineering for Gas Turbines and Power 140, no. 7 (2018). http://dx.doi.org/10.1115/1.4038544.

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The steam consumption in a turbine within an operating pressure range determines the effectiveness of thermal energy conversion to electric power generation in a turbo-alternator. The low pressure (LP) stage of the steam turbine produces largest amount of steam to shaft-power in comparison to other stages of turbine although susceptible to various additional losses due to condensation of wet steam near penultimate and ultimate stages. The surface deposition in blade is caused by inertial impaction and turbulent-diffusion. With increasing blade stagger angle along the larger diameter of blading

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24

Conboy, T., J. Pasch, and D. Fleming. "Control of a Supercritical CO2 Recompression Brayton Cycle Demonstration Loop." Journal of Engineering for Gas Turbines and Power 135, no. 11 (2013). http://dx.doi.org/10.1115/1.4025127.

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The U.S. Department of Energy is currently focused on the development of next-generation nuclear power reactors, with an eye towards improved efficiency and reduced capital cost. To this end, reactors using a closed-Brayton power conversion cycle have been proposed as an attractive alternative to steam turbines. The supercritical-CO2 recompression cycle has been identified as a leading candidate for this application since it can achieve high efficiency at relatively low operating temperatures with extremely compact turbomachinery. Sandia National Laboratories has been a leader in hardware and

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25

Raghavendra, Prasad S.A. "Collaborative Activity as a Learning Tool to Improve Students Learning Experience in Core Mechanical Subjects." July 30, 2023. https://doi.org/10.5281/zenodo.8197226.

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In this world of diminishing resources, renewable energy acts a significant role. The part of the renewableenergy in the future worldis of greatsignificance for the globalenvironmental constancy. Sun, wind and flowing or stored hydro energy are considered the most common renewable energy sources for power generation. The water wheels were progressive in the early ages for the power generation, due to their small contact area and large diameter they were unsuccessful in utilizing water energy successfully, therefore water wheels were less efficient. The kinetic energy available in the open chan

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