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title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: A comparative study of methods for reg-ulating the electrical load of a block backpressure turbine generator of a mini-CHP of a closed heat supply system
Creators: name: ÐÐ¾Ð»ÐºÐ¾Ð², ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2023
Subjects: Ð¼Ð¸Ð½Ð¸-Ð¢Ð­Ð¦
Ð·Ð°ÐºÑÑÑÐ°Ñ ÑÐ¸ÑÑÐµÐ¼Ð° ÑÐµÐ¿Ð»Ð¾ÑÐ½Ð°Ð±Ð¶ÐµÐ½Ð¸Ñ
ÑÐµÐ¿Ð»Ð¾Ð²Ð°Ñ ÑÑ ÐµÐ¼Ð°
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ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¾Ð¹ Ð½Ð°Ð³ÑÑÐ·ÐºÐ¸
mini-CHP
closed heat supply system
thermal circuit
turbo generator
electric load regulation

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description: The topic of the final qualifying work: A comparative study of methods for regulating the electrical load of a block backpressure turbine generator of a mini-CHP of a closed heat supply system. In closed heat supply systems, electricity generation for the boiler houses own needs is carried out on the heating load. The change in the temperature of the return mains water makes it necessary to provide for the regulation of heat exchange processes in mains water heaters. Two methods of regulating the load of mini-CHP plants have become widespread: by changing the number of operating heaters, as well as bypassivation by the flow of mains water of steam-water heaters. The paper presents a mathematical description of the processes for these methods of regulation based on conservation laws for flows. A program has been developed that allows determining the parameters of the mini-CHP circuit for these methods of load regulation. The methods of regulating the load of the turbine generator by quantitative indicators are compared on the basis of numerical modeling of energy exchange processes in the equipment of mini-CHP. Bypass through mains water is a more efficient method, allows for continuous regulation, but requires the installation of expensive valves with an electric drive and control it using a controller. When the heat exchangers are switched off, there is an abrupt change in the parameters of the mini-CHP, which leads to low accuracy in maintaining the power of the turbo generator. At the same time, this method does not require the installation of additional valves with an electric drive.