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MATHEMATICAL MODELING OF THERMAL POWER PLANT'S BOILER AIR-GAS FLOW PATH REGULATION MODES

Authors: Vanin, Viktor; Vanin, Boris; Kruhol, Nikolay;

MATHEMATICAL MODELING OF THERMAL POWER PLANT'S BOILER AIR-GAS FLOW PATH REGULATION MODES

Abstract

В работе предлагаются математические модели газовоздушного тракта котла и механизмов собственных нужд ТЭС. С использованием табличных и графических представлений напорных характеристик серийных вентиляторов и дымососов получены эквивалентные соотношения для сети механизмов. Исследована задача нахождения оптимальных параметров управления для группы центробежных механизмов, обеспечивающих работу газовоздушного тракта котла. Исследовано влияние разрежения в топке котла на режим работы его вспомогательных механизмов. Приводятся результаты моделирования для типичных последовательно-параллельных соединений механизмов в гидравлических сетях ТЭС.

В роботі пропонуються математичні моделі газоповітряного тракту котла та механізмів власних потреб ТЕС. З використанням табличних та графічних представлень напірних характеристик серійних вентиляторів та димососів отримані еквівалентні співвідношення для мережі механізмів. Досліджена задача знаходження оптимальних параметрів керування для групи відцентрових механізмів, що забезпечують роботу газоповітряного тракту котла. Виконаний аналіз впливу розрідження в топці котла на режим роботи його споміжних механізмів. Приводяться результати моделювання для типових послідовно-паралельних з’єднань механізмів в гідравлічних мережах ТЕС.

The paper presents a mathematical model for thermal power plant's boiler air-gas flow paths and auxiliaries. With application of production fans' and flue gas extractor fans' head-capacity curves and tables, equivalent relations for the net of the mechanisms are obtained. A problem of determining the optimal control parameters for a group of centrifugal mechanisms in the air-gas path is studied. The effect of the boiler furnace draft on its auxiliaries operation is analyzed. The results of mathematical modeling for typical serial and parallel connections of the mechanisms in the thermal power plant hydraulic network are given.

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Keywords

тепловая электрическая станция, групповое управление, гидравлические системы, центробежные механизмы, частотно-регулируемы привод, энергоэффективность, теплова електрична станція, групове керування, гідравлічні системи, відцентрові механізми, частотно-регульований привід, енергоефективність, thermal power plant, group control, hydraulic systems, centrifugal mechanisms, variable frequency drive, energy efficiency

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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