Abstract
The glaze icing of a transmission line may cause serious damage to the security operation of the power grid. To prevent this, manual interventional aerosols incorporating organic compounds were synthesized. More importantly, they are combustion stable and exhibit excellent ice formation properties at different temperatures. As a result, the deicing performance of these modified aerosols was enhanced significantly. More importantly, the organic-based aerosol sample may exhibit a new reaction mechanism distinct from the conventional silver iodide aerosol. Our results indicate that such organic compounds can be applied as an alternative to replace silver iodide and improve the deicing efficiency of aerosols.
Highlights
We found that the nucleation rates of organic-based aerosols were lower than aerosol incorporating silver iodide (AgI) sample, their deicing performance were comparable, which indicates that the aerosol samples incorporating organic compounds may exhibit a different ice formation mechanism distinct from the existed AgI one
This mechanism is still under development, our present results indicate that the new aerosols incorporating organic compounds have great potential to be employed into deicing applications
The unmodified (No 1) and AgI-incorporated (No 2) aerosols were fabricated to compare with the organic-based aerosols
Summary
The rapid development of the economy and technology has made electric power supply an important and popular topic. irresistible natural disasters that happened in recent years have brought serious damage and challenges to the electricity supply system such as the state grid. reducing the negative impacts of disasters and improving the safety of the high-voltage transmission lines becomes important. Among various types of disasters, glaze icing does the most severe damage to the electricity supply system, which may induce ice flash trip, phase flashover, and, more seriously, it may break the line and cause tower collapses. For example, Quebec in Canada is the most serious ice cover area, the southern region of China and central and southwestern regions of America face severe ice disasters, and other countries including Russia, Finland, and Iceland encountered this issue.. For the first time, we report aerosols incorporating phthalic anhydride (PA), acetylacetonate copper (AAC), and tetra acetaldehyde (TAA) organic molecules for manual interventional deicing applications These aerosols could be fabricated through a simple pouring method. We found that the nucleation rates of organic-based aerosols were lower than AgI sample, their deicing performance were comparable, which indicates that the aerosol samples incorporating organic compounds may exhibit a different ice formation mechanism distinct from the existed AgI one. This mechanism is still under development, our present results indicate that the new aerosols incorporating organic compounds have great potential to be employed into deicing applications
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