Signs of inactive power in the electric traction system of dc
DOI:
https://doi.org/10.15587/1729-4061.2012.4603Keywords:
irregular energy consumption, electric transport of dc, inactive power.Abstract
Energy consumption in the electric transport system possesses the long-term and short-term variation, caused by the regulation process in the wide range of tractive power of electric rolling train, necessary for the required traffic condition. Irregular energy consumption for thrust with probable variable nature, leads to the growth of power losses in the system elements of electric traction. One of the ways of solution of the given problem is based on the analysis of total power components of the traction system and on the estimation and decrease of inactive power, which is the combination of reactive and distortion powers. Existing computing and compensation methods determine the basic signs of the powers’ presence in electric circuits. The instantaneous power method, classical and integral approaches are the most universal as they based on the similar physics and have similar results. In the process of tram energy consumption, the voltage on the current collector differs from the traction current. This indicates the presence of dc of distortion power in the traction system of electric transport. The inequality of active and total powers and variable nature of resistance of power circuit also indicates the consumption of dc of inactive power by electric transport. Thus, the system of electric traction of dc that is considered as dc system is actually a consumer of inactive power to reduce the electric losses.References
- Баланс энергий в электрических цепях / [В. Е. Тонкаль, А. В. Новосельцев, С. П. Денисюк и др.]. – К.: Наук. думка, 1992. – 312 с.
- Новосельцев А. В. Определение составляющих полной мощности в однофазных электрических цепях на основе классического метода и метода гипотетических составляющих / Новосельцев А. В., Стрелков М. Т. – К., ИЭД, 1986. – 63 с. – (Препринт / АН УССР, Ин-т электродинамики).
- Новосельцев А. В. Определение составляющих полной мощности в однофазных электрических цепях на основе интегрального, спектрального и статистического методов / Новосельцев А. В., Стрелков М. Т. – К., ИЭД, 1986. – 59 с. – (Препринт / АН УССР, Ин-т электродинамики).
- Крогерис А. Ф. Оценка энергетических процессов по мгновенной мощности / А. Ф. Крогерис, К. К. Раешевиц, Э. П. Трейманис [и др.] // Электричество. – 1987. – №7. – С. 31-35.
- Маевский О. А. Энергетические показатели вентильных преобразователей / О. А. Маевский – М.: Энергия, 1978. – 320 с.
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