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Design Features of Нigh-frequency Synchronous Generators for Autonomous Power Installations

Design Features of Нigh-frequency Synchronous Generators for Autonomous Power Installations

Abstract

Purpose. To provide recommendations on the principles of selecting the main sizes and electromagnetic loads of high-frequency synchronous generators for autonomous electric power installations. Methodology. The proposed design principles are based on the use of a machine constant. Electromagnetic loads are proposed to be determined through the apparent power of the generator. The relationship between the main dimensions and the nominal data is determined by analytical methods. Results. The results of the design of synchronous generators according to the machine constant are analyzed. The discrepancy between the technical data of the designed synchronous generators and the calculated results was revealed. The proposed principles of developing a mathematical relationship between nominal data, electromagnetic characteristics and geometric sizes are based on the formula of the apparent power of the synchronous machine. The proposed approach to choosing the main dimensions does not contain any assumptions in the transformation of the EMF and the stator winding current to the magnetic induction in the air gap and the stator linear load, respectively. The dependences of the calculated volume of the machine on nominative apparent power at different rotation frequencies are determined in order to create the correct technical task for the design of a synchronous generator. Differences in determining the diameter of the rotor based on mechanical strength conditions were determined. Checking the correctness of determinated main dimensions and electromagnetic loads is the fulfillment of the requirements for the energy characteristics and the thermal state of the synchronous generator. Originality. Dependencies that are recommended for creating new high-frequency synchronous generators are found. Practical value. These design features proposed for use in research and engineering practice.

Проаналізовано існуючі принципи обирання електромагнітних навантажень та головних розмірів синхронних машин. Виявлено принципи обирання головних розмірів та електромагнітних навантажень високочастотних генераторів у відповідності до номінальних даних, зазначених у технічному завданні. Сформульовано рекомендації щодо проектування високочастотних синхронних генераторів для автономних енергетичних установок. Отримано залежності, якими рекомендується користуватись при створенні нових високочастотних синхронних генераторів.

Проанализированы существующие принципы выбора электромагнитных нагрузок и главных размеров синхронных машин. Выявлены принципы выбора главных размеров и электромагнитных нагрузок высокочастотных генераторов в соответствии с номинальными данными, указанными в техническом задании. Сформулированы рекомендации по проектированию высокочастотных синхронных генераторов для автономных энергетических установок. Определены зависимости, которые рекомендуется использовать при создании новых высокочастотных синхронных генераторов

Keywords

High frequency synchronous generator; design; machine constant; main dimensions; electromagnetic loads; network frequency; rotation speed., Високочастотний синхронний генератор; проектування; машинна постійна; головні розміри; електромагнітні навантаження; частота мережі; частота обертання., Высокочастотный синхронный генератор; проектирование; машинная постоянная; главные размеры; электромагнитные нагрузки; частота сети; частота вращения.

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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!
0
Average
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