title: Ð¡ÑÐ°Ð²Ð½Ð¸ÑÐµÐ»ÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· Ð±ÑÑÑÑÐ¾Ñ Ð¾Ð´Ð½ÑÑ Ð¸ ÑÐ¸Ñ Ð¾Ñ Ð¾Ð´Ð½ÑÑ ÑÑÑÐ±Ð¸Ð½
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Comparative analysis of high-speed and low-speed turbines
Creators: name: ÐÐ¾Ð»Ð¸ÐµÐ², ÐÐ½Ð´ÑÐµÐ¹
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: ÐÐÐ­Ð -1200
ÑÐ¸Ñ Ð¾Ñ Ð¾Ð´Ð½Ð°Ñ ÑÑÑÐ±Ð¸Ð½Ð°
Ð±ÑÑÑÑÐ¾Ñ Ð¾Ð´Ð½Ð°Ñ ÑÑÑÐ±Ð¸Ð½Ð°
ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÑ Ð¿ÑÐ¾ÑÐ¾ÑÐ½Ð¾Ð¹ ÑÐ°ÑÑÐ¸
VVER-1200
low-speed turbine
high-speed turbine
efficiency of the flow path

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description: Currently, when working as part of a nuclear power plant unit with a VVER-1000/1200 reactor, it is planned to create steam turbine units of 2 types: low-speed and high-speed. Paying attention to foreign experience, you can make sure that the vast majority of turbines produced are low-speed with a rotation speed of 1500 rpm. However, in the domestic market there is experience in the design, manufacture and operation of highâspeed turbines (the total number of revolutions is 3000 rpm). A surface analysis of the mass and dimensional characteristics of existing high-speed and low-speed steam turbine designs shows that: 1. Due to the smaller dimensions and weight of the parts of the stator and the rotor of the high-speed turbine, the capital costs for the construction of the engine room and its installation, as well as the operating costs for the repair and maintenance of the unit will be less. 2. Based on the meaning of technological progress in the field of energy construction, with the growth of the unit capacity of the unit, it is necessary to provide an appropriate exhaust area in order to reduce losses at the output speed. The increase in the exhaust area is directly related to the possibility of using the blades of the last stage of the maximum length. The reduction of centrifugal forces was initially achieved by switching to a low-speed type of powerful steam turbines for nuclear power plants. Based on the generally accepted equations of the theory of turbomachines, the author obtained an analytical dependence that establishes a relationship between the kinematic parameters of the flow, geometric parameters, thermodynamic and rotor speed with the efficiency coefficient of the multistage flow part of the heat turbine.