Results 31 to 40 of about 234,715 (304)

Power Enhancement in Partial Shaded Photovoltaic System Using Spiral Pattern Array Configuration Scheme

IEEE Access, 2021
Partial shading causes mismatch losses in the solar PV system. In the PV array, the power output from the healthy PV modules is gone in vain due to the mismatch losses.
Santhan Kumar Cherukuri, Praveen Kumar Balachandran, Kalyan Raj Kaniganti, Madhu Kiran Buddi, Dasu Butti, S. Devakirubakaran, Thanikanti Sudhakar Babu, Hassan Haes Alhelou   +7 more
doaj   +1 more source

The UTMOST: A hybrid digital signal processor transforms the MOST [PDF]

, 2017
The Molonglo Observatory Synthesis Telescope (MOST) is an 18,000 square meter radio telescope situated some 40 km from the city of Canberra, Australia. Its operating band (820-850 MHz) is now partly allocated to mobile phone communications, making radio ...
Bailes, M., Barr, E. D., Bateman, T., Bhandari, S., Bunton, J. D., Caleb, M., Campbell-Wilson, D., Farah, W., Flynn, C., Gaensler, B., Green, A. J., Hunstead, R. W., Jameson, A., Jankowski, F., Keane, E. F., Krishnan, V. Venkatraman, Murphy, Tara, O'Neill, M., Oslowski, S., Parthasarathy, A., Ravi, V., Rosado, P., Temby, D.   +22 more
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A hierarchical architecture for increasing efficiency of large photovoltaic plants under non-homogeneous solar irradiation [PDF]

, 2019
Under non-homogeneous solar irradiation, photovoltaic (PV) panels receive different solar irradiance, resulting in a decrease in efficiency of the PV generation system.
Binh Doan Van, Hoang Nguyen Huy, Ninh Nguyen Quang, Quang Nguyen Phung., Riva Sanseverino Eleonora, Romano Pietro, Thang Tran Trong, Thanh Ngo Ngoc, Viola Fabio   +8 more
core   +1 more source

The beamformer and correlator for the Large European Array for Pulsars [PDF]

, 2017
The Large European Array for Pulsars combines Europe's largest radio telescopes to form a tied-array telescope that provides high signal-to-noise observations of millisecond pulsars (MSPs) with the objective to increase the sensitivity of detecting low ...
Bassa, C. G., Janssen, G. H., Karuppusamy, R., Kramer, M., Lee, K. J., Liu, K., McKee, J., Perrodin, D., Purver, M., Sanidas, S., Smits, R., Stappers, B. W., Zhu, W. W.   +12 more
core   +6 more sources

A Reconfiguration Circuit to Boost the Output Power of a Partially Shaded PV String

Energies, 2023
An optical isolator circuit is developed to detect and dynamically relocate the photovoltaic (PV) module under partial shading. The suggested system control structure operates in two modes.
Ali Faisal Murtaza, Hadeed Ahmed Sher
doaj   +1 more source

Power enhanced solar PV array configuration based on calcudoku puzzle pattern for partial shaded PV system

Heliyon, 2023
The power output of solar photovoltaic systems can be affected by environmental factors, such as partial shading. This can lead to a decrease in the power conversion rate of the system.
Belqasem Aljafari, Devakirubakaran S, Bharatiraja C, Praveen Kumar Balachandran, Thanikanti Sudhakar Babu   +4 more
doaj   +1 more source

Revival of the magnetar PSR J1622-4950: observations with MeerKAT, Parkes, XMM-Newton, Swift, Chandra, and NuSTAR [PDF]

, 2018
New radio (MeerKAT and Parkes) and X-ray (XMM-Newton, Swift, Chandra, and NuSTAR) observations of PSR J1622-4950 indicate that the magnetar, in a quiescent state since at least early 2015, reactivated between 2017 March 19 and April 5.
Abbott, T. D., Adam, R. M., Adams, G. B., Alberts, T., Andreas, R., Archibald, R. F., Asad, K. M. B., Bailes, M., Baker, D. E., Baloyi, T., Bauermeister, E. F., Baxana, T., Bennett, T. G. H., Bernardi, G., Booisen, D., Booth, R. S., Botha, D. H., Boyana, L., Brederode, L. R. S., Buchner, S., Burger, J. P., Camilo, F., Cheetham, T., Conradie, J., Conradie, J. P., Davidson, D. B., de Bruin, G., de Swardt, B., de Villiers, C., de Villiers, D. I. L., de Villiers, M. S., de Villiers, W., de Waal, C., Dikgale, M. A., Esterhuyse, S. W. P., Fanaroff, B., Fataar, S., Foley, A. R., Foster, G., Fourie, D., Gamatham, R., Gatsi, T., Geschke, R., Goedhart, S., Grobler, T. L., Gumede, S. C., Heever, L. van den, Hlakola, M. J., Hobbs, G., Hokwana, A., Hoorn, D. H., Horn, D., Horrell, J., Hugo, B., Isaacson, A., Jacobs, O., Jameson, A., Johnston, S., Jonas, J. L., Jordaan, B., Joubert, A., Joubert, F., Jozsa, G. I. G., Julie, R., Julius, C. C., Kapp, F., Karastergiou, A., Karels, F., Kariseb, M., Karuppusamy, R., Kasper, V., Kaspi, V. M., Knox-Davies, E. C., Koch, D., Kotze, P. P. A., Krebs, A., Kriek, N., Kriel, H., Kusel, T., Lamoor, S., Lehmensiek, R., Liebenberg, D., Liebenberg, I., Lord, R. T., Lunsky, B., Mabombo, N., Macdonald, T., Macfarlane, P., Madisa, K., Mafhungo, L., Magnus, L. G., Magozore, C., Mahgoub, O., Main, J. P. L., Makhathini, S., Malan, J. A., Malgas, P., Manley, J. R., Manzini, M., Marais, L., Marais, N., Marais, S. J., Maree, M., Martens, A., Matshawule, S. D., Matthysen, N., Mauch, T., Merry, B., Merryfield, M., Millenaar, R. P., Mjikelo, C., Mkhabela, N., Mnyandu, N., Moeng, I. T., Mokone, O. J., Monama, T. E., Montshiwa, K., Moss, V., Mphego, M., Nally, L. D. Mc, New, W., Ngcebetsha, B., Ngoasheng, K., Niehaus, H., Ntuli, P., Nzama, A., Obies, F., Obrocka, M., Ockards, M. T., Olyn, C., Oozeer, N., Otto, A. J., Padayachee, Y., Passmoor, S., Patel, A. A., Paula, S., Peens-Hough, A., Pholoholo, B., Prozesky, P., Rakoma, S., Ramaila, A. J. T., Rammala, I., Ramudzuli, Z. R., Rasivhaga, M., Ratcliffe, S., Reader, H. C., Renil, R., Reynolds, J. E., Richter, L., Robyntjies, A., Rosekrans, D., Rust, A., Salie, S., Sambu, N., Sarkissian, J., Schollar, C. T. G., Scholz, P., Schwardt, L., Seranyane, S., Serylak, M., Sethosa, G., Sharpe, C., Siebrits, R., Sirothia, S. K., Slabber, M. J., Smirnov, O., Smith, S., Sofeya, L., Songqumase, N., Spann, R., Stappers, B., Steyn, D., Steyn, T. J., Strong, R., Struthers, A., Stuart, C., Sunnylall, P., Swart, P. S., Taljaard, B., Tasse, C., Taylor, G., Theron, I. P., Thondikulam, V., Thorat, K., Tiplady, A., Toit, G. du, Toit, L. J. du, Toruvanda, O., van Aardt, J., van Balla, T., van der Byl, A., van der Merwe, C., van der Merwe, P., van Niekerk, P. C., van Rensburg, J. P. Jansen, van Rooyen, R., van Staden, J. P., van Straten, W., van Tonder, V., van Wyk, R., Wait, I., Walker, A. L., Wallace, B., Welz, M., Williams, L. P., Xaia, B., Young, N., Zitha, S.   +207 more
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A matlab-based modelling to study and enhance the performance of photovoltaic panel configurations during partial shading conditions

Frontiers in Energy Research, 2023
Introduction: The utilization of solar energy in large-scale photovoltaic arrays has gained immense popularity on a global scale. However, shadows in the array lead to significant reductions in power output and create multiple power peaks in the P-V ...
Sadaquat Ali, Lahcen El Iysaouy, Lahcen El Iysaouy, Mhammed Lahbabi, Mhammed Lahbabi, Younes Boujoudar, Sultan J. Alharbi, Mohamed Azeroual, Fatima Zahra Bassine, Ayman Aljarbouh, Alexey Knyazkov, Aiman Albarakati, Mayur Rele, Stephanie Ness   +13 more
doaj   +1 more source

A Cosmic Census of Radio Pulsars with the SKA [PDF]

, 2014
The Square Kilometre Array (SKA) will make ground breaking discoveries in pulsar science. In this chapter we outline the SKA surveys for new pulsars, as well as how we will perform the necessary follow-up timing observations. The SKA's wide field-of-view,
Bates, S., Bhattacharyya, B., Bhattacharyya, B., Burgay, M., Champion, D., Chatterjee, S., Eatough, R., Hessels, J., Janssen, G., Keane, E., Keane, E., Kramer, M., Kramer, M., Lee, K., Margueron, J., Oertel, M., Possenti, A., Ransom, S., Stappers, B., Stappers, B., Theureau, G., Torne,, van Leeuwen, J.   +22 more
core   +4 more sources

Experimental analysis to extract maximum power from PV array reconfiguration under partial shading conditions

Engineering Science and Technology, an International Journal, 2019
An investigation of auto-reconfiguration scheme for interchanging the electrical connections of photovoltaic (PV) array of 3 × 3 size, from series-parallel (SP) to total cross-tied (TCT) configuration under partial shading conditions (PSCs) is presented.
Rupendra Pachauri, Rajesh Singh, Anita Gehlot, Rohit Samakaria, S. Choudhury   +4 more
doaj   +1 more source