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Method of using trimethyl azide silane as evaporative cooling medium of generator stator

A technology of trimethylazide silane and generator stator, which is applied in the direction of cooling/ventilation devices, electrical components, electromechanical devices, etc., can solve the problems that affect the application prospect of the technology, the price is expensive, and the economical decline of evaporative cooling technology, and achieves Good economy, lower insulation level, favorable effect of heat exchange

Active Publication Date: 2010-10-06
江苏中国科学院能源动力研究中心 +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

The environmentally friendly cooling fluid currently in use mainly includes Vertrel series, ASAHIKLIN series and perfluorotertiary amine series, etc., are all relatively expensive, which reduces the economical efficiency of evaporative cooling technology and affects the application prospects of the technology

Method used

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Embodiment Construction

[0009] The present invention is used as an evaporative cooling working medium for generator stators, and its Chinese name is trimethylsilylazide, also known as azidotrimethylsilane or trimethylsilyl azide compound; its English name is zidotrimethyl- Silane, azidotrimethyl-silane, zidotrimethylsilane, Trimethylsilyl azide or Trimethylsilylazide; the molecular formula is C 3 h 9 N 3 Si; the structural formula is (Me) 3 SiN 3 ; The molecular weight is 115.21; The current main use is not an intermediate in the synthesis of anti-avian influenza drugs, and there is no report of using it as a refrigerant.

[0010] When in use, fill trimethylazide silane into the closed circuit formed by the hollow copper wire of the stator winding of the generator and the condensation heat exchanger, and vacuumize it to 20kPa-25kPa for use. Alternatively, the generator stator is placed in a sealed casing, the stator winding is immersed in the working medium of the present invention, and the vacuu...

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Abstract

The invention relates to a method using trimethyl azide silane as an evaporative cooling medium of a generator stator, which is characterized by comprising: filling the trimethyl azide silane into a closed loop consisting of a hollow copper conductor of a generate stator winding and a condensation heat exchanger, or placing the generator stator into a sealed shell, soaking the trimethyl azide silane into the stator winding, and vacuumizing to 20 to 25kPa for use. The method overcomes the unsafe factors such as blockage, leakage and the like of internal water cooling modes, can reduce insulating grade, and is favorable for heat exchange. The working medium is obtained by the reaction of trimethyl chlorosilane and sodium azide in hexamethyl phosphorous acid triamide, and has simple production process and better economical efficiency than the prior environment-friendly cooling medium.

Description

technical field [0001] The invention relates to a cooling working medium, in particular to an environment-friendly evaporative cooling working medium suitable for evaporative cooling inside a large-capacity generator stator hollow copper wire. Background technique [0002] The main measure to increase the unit capacity of the generator is to increase the line load, but increasing the line load will increase the copper loss of the wire rod at the same time, and the temperature of the coil will increase. Enhanced cooling technology must be used to improve the heat dissipation intensity. With the increase of the unit capacity of generators, the problem of stator cooling has become increasingly prominent. Traditional cooling methods such as air cooling, hydrogen cooling, water cooling and oil cooling are difficult to achieve good results. Evaporative cooling has gradually become the main research direction of current stator cooling technology. The cooling medium used in evaporat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K9/19H02K9/197
Inventor 梁世强淮秀兰陶毓伽蔡军李志刚
Owner 江苏中国科学院能源动力研究中心
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