EXPERIMENTAL DEVICE FOR AUTOMATION REEDING OF GALVANOMAGNETIC ELEMENTS TRANSDUSER CHARACTERISTICS

  • TITLE: EXPERIMENTAL DEVICE FOR AUTOMATION REEDING OF GALVANOMAGNETIC ELEMENTS TRANSDUSER CHARACTERISTICS
  • AUTHOR(S): T. Angelova
  • ABSTRACT: Display the characteristics of galvanomagnetic elements is impossible without specialized devices known as chart-graph system. Estab- lished and described is electronic device in combination with electronic oscilloscope displays the conversation characteristics of galvanomagnetic sensors. Presented is a functional block diagram and schematic circuit diagram of the experimental device for visualization the characteristics of the galvanomagnetic elements. Described is an algorithm of action and timing diagrams are presented describing his work.
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МODELING THE AMOUNT OF ELECTRICITY PRODUCED DURING OPERATION OF DECENTRALIZED PHOTOVOLTAIC SOURCE

  • TITLE: МODELING THE AMOUNT OF ELECTRICITY PRODUCED DURING OPERATION OF DECENTRALIZED PHOTOVOLTAIC SOURCE
  • AUTHOR(S): S. Bojkov, V. Mladenov
  • ABSTRACT: The subject of this paper is to investigate and analyze the performance of a photovoltaic source model built in Matlab environment. For this purpose, an experimental comparison is made between the produced amount of power during the operation of a real functioning photovoltaic plant connected at low voltage and output power of the built and proposed in previously developed authors model. The results obtained are presented in graphic form. Conclusions are made about the operation of the model.
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SIZE OF THE ABRASIVE PARTICLES, PARTICIPATING IN PROCESS OF WEARING ELEMENTS BALL BEARING

WAY OF COOLING WITH THE HELP OF THE AIR – PULSATION METHOD

  • TITLE: WAY OF COOLING WITH THE HELP OF THE AIR – PULSATION METHOD
  • AUTHOR(S): J. E. Safarov
  • ABSTRACT: This article presents an approach to cooling by means of the air-pulsation method. The mechanism for creating a pulsation has been explained. The operating schedule of the mill, results of experiments and efficiency of the cooling system have been shown.
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VACUUM ION-PLASMA DEVICES AND THE PROCESSING TECHNOLOGIES OF STEEL IN THE MECHANICS

  • TITLE: VACUUM ION-PLASMA DEVICES AND THE PROCESSING TECHNOLOGIES OF STEEL IN THE MECHANICS
  • AUTHOR(S): Saidahmedov R.H. * , Каmardin A.I., Yuldasheva G.A.
  • ABSTRACT: Ion treatment devices for vacuum surface were worked out. Coatings for steel based on chromium were formed. There has been studied the effect of process-dependent parameters on the coatings properties.
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