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THE “MURMAN-2018” EXPERIMENT TECHNIQUE
Center for Physical and Technical Problems of Energy of the North - a Branch FRC “Kola Science Center of the Russian Academy of Sciences”
Journal: Science and technological developments
Tome: 98
Number: 4
Year: 2019
Pages: 50-56
UDK: 621.314:550.837+550.837.61
DOI: 10.21455/std2019.4-5
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BARANNIK M.B. THE “MURMAN-2018” EXPERIMENT TECHNIQUE // . 2019. Т. 98. № 4. С. 50-56. DOI: 10.21455/std2019.4-5
@article{BARANNIKTHE2019,
author = "BARANNIK, M. B.",
title = "THE “MURMAN-2018” EXPERIMENT TECHNIQUE",
journal = "Science and technological developments",
year = 2019,
volume = "98",
number = "4",
pages = "50-56",
doi = "10.21455/std2019.4-5",
language = "English"
}
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Keywords: controlled current source, pulse width modulation inverter, grounded transmitting line, frequency sounding, distance sounding
Аnnotation: The methodology of the “Murman-2018” experiment is considered. The technique of the study is based on the distance principle of the deep sounding in combination with frequency and audio magnetotelluric soundings. Two mutually orthogonal grounded transmitting lines 1.6 km and 1.9 km in length powered by the “Energy-4” generator that was used as a controllable source of the electromagnetic field. The main focus of the paper is the description of the self-powered 29 kW “Energy-4” generator with output voltage up to 1200 V, developed at the NERC KSC RAC. The experience of using the generator for the solution of the fundamental problem of studying the nature of the deep geophysical boundaries in the Archaean crystalline crust of the Murmansk block in the “Murman-2018” experiment is discussed. Block diagram and operation principle of the “Energy-4” generator are briefly given in the paper.
