Modern methods of controlling micro hydropower plants with an asynchronous generator


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This overview is dedicated to issues of controlling micro hydropower plants that possess an asynchronous generator (a squirrel-cage induction motor), which converts the energy of water flow—a promising alternative source of energy—to electric energy. Modern “green electronics” allows producing cheap and reliable micro hydropower plants and ensures stability of their output parameters amidst undefined and variable load and water-flow characteristics. The modes of self-excitation with no load and under load are given. The article describes design solutions based on various topologies of power converters specially designed for solving the set control problem, and describes two topologies using a direct current link with uncontrolled and controlled rectifiers, as well as a topology with a STATCOM system. Their advantages and disadvantages are discussed, and the potential of this approach to building a micro hydropower plant based on asynchronous generators is demonstrated.

作者简介

S. Ryvkin

Trapeznikov Institute of Control Sciences of the Russian Academy of Sciences

编辑信件的主要联系方式.
Email: journal-elektrotechnika@mail.ru
俄罗斯联邦, Moscow

G. Ziborov

National Research University “Moscow Power Engineering Institute”

Email: journal-elektrotechnika@mail.ru
俄罗斯联邦, Moscow, 111250

A. El Alami

Graduate School of Technology

Email: journal-elektrotechnika@mail.ru
摩洛哥, Casablanca

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