Abstract
The paper considers a method for protecting a direct current exciter from remagnetization in transient modes. A schematic diagram of the synchronous generator excitation system with an exciter protection device and a description of its operation are given. The proposed technical solution eliminates the violation of the excitation mode and provides high reliability of uninterrupted operation of synchronous generators of small hydroelectric power stations (HPS) by eliminating the possibility of damage to the device that protects the exciter from demagnetization and remagnetization.
Highlights
IntroductionThe energy sector in Uzbekistan, as well as in the entire country, is undergoing radical changes in the main trends governing the industry, which radically changes the usual ideas and perceptions about the competitiveness of various types of power plants, fuels and ownership forms in connection with the transition to market relations
The energy sector in Uzbekistan, as well as in the entire country, is undergoing radical changes in the main trends governing the industry, which radically changes the usual ideas and perceptions about the competitiveness of various types of power plants, fuels and ownership forms in connection with the transition to market relations.The demand for electric and thermal energy in the sectors of the economy and the population is determined by the level of economic development, energy efficiency and energy saving
In accordance with the decree of the President of Uzbekistan dated 30.05.2017 a number of measures are planned to reduce energy intensity, introduce energysaving technologies and systems in the economic and social sectors [1].The main goal of the program is to increase the share of renewable energy sources (RES) in the electricity supply sector, as well as to improve and modernize existing capacities
Summary
The energy sector in Uzbekistan, as well as in the entire country, is undergoing radical changes in the main trends governing the industry, which radically changes the usual ideas and perceptions about the competitiveness of various types of power plants, fuels and ownership forms in connection with the transition to market relations. The demand for electric and thermal energy in the sectors of the economy and the population is determined by the level of economic development, energy efficiency and energy saving. These factors are closely interrelated and together form possible scenarios for the socio-economic development of the Republic. Based on the Decree, a set of measures to ensure energy saving in the economy and social sectors is currently being implemented. The total capacity of power units operating during the maximum load hours of the unified electric power system was 8.6 thousand MW
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