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Journal of Mining Sciences

2016 year, number 2

Voltage Stabilization System for Power Installations in Mines

B. F. SIMONOV1, S. A. KHARITONOV2,3, S. V. BROVANOV3, E. YA. BUKINA2, D. V. MAKAROV3
1Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia
2Novosibirsk State Technical University, pr. K. Marksa 20, Novosibirsk, 630073 Russia
3National Research Tomsk Polytechnic University, pr. Lenina 30, Tomsk, 634050 Russia
Keywords: синхронный генератор, постоянные магниты, переменная частота вращения, стабилизация напряжения, полупроводниковый преобразователь, synchronous generator, permanent magnets, variable frequency, voltage stabilization, semiconductor converter

Abstract

The authors analyze feasibility of voltage stabilization for permanent magnet synchronous generators in independent variable-frequency power networks. The method of voltage stabilization is based on series connection of the generator and a semiconductor converter generating wattles power. Basic energy characteristics of the semiconductor converter and synchronous generator are analytically defined, frequency constraints of the proposed method are found, and rational frequency range and overall power of the system are determined.