Dynamics of a microhydroelectric power plant with autoballast voltage stabilization

B. V. Lukutin, S. G. Obukhov

Research output: Contribution to journalArticlepeer-review


One of the effective methods for stabilizing the output electrical parameters of an autonomous microhydroeletric power plant is the use of an autoballast load. The autoballast load through a thyristor regulator is connected parallel to the useful load of the electrical equipment and permits control of the working conditions of the hydroturbine-generator system. An autoballast regulator is made most simply from thyristors with phase control and natural commutation. The complexity of the electromechanical processes in a microhydroelectric power plant, the elements of which are described by a system of nonlinear equations of high order, dictates selection of computer modelling as the method for studying the transient processes. The task of the study is to determine the parameters of an autonomous hydroelectric unit that influence the deviation in magnitude and frequency of the output voltage from the nominal values under transient and stabilized conditions and their optimization in order to reduce the error of stabilization of the output parameters of the microHPP.

Original languageEnglish
Pages (from-to)13-18
Number of pages6
JournalSoviet electrical engineering
Issue number10
Publication statusPublished - 1989

ASJC Scopus subject areas

  • Engineering(all)

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