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Study of Distribution Transformer Direct-Embedding Heat Exchange in Shanghai

Author: HuMin
Tutor: XiaoDengMingï¼›JiangYiMin
School: Shanghai Jiaotong University
Course: Electrical Engineering
Keywords: Shanghai area Distribution transformers Buried Heat exchange
CLC: TM421
Type: Master's thesis
Year: 2009
Downloads: 11
Quote: 0
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Abstract


With the continued growth of the economy and the constant expansion of the city , as well as the improvement of people's living standards , the cityscape and the overall environmental standards are also increasing . The electricity sector in the densely populated commercial building density , economic and cultural center building ground for the difficult distribution facilities , development of underground power supply has become an inevitable trend . Underground distribution transformers can effectively solve the piezoelectric energy transmission , low-voltage electricity load distribution to the nearest , is of great significance to improve the quality of power supply equipment and personal safety , and to reduce the impact on the environment , to solve the underground power supply provides important guarantee , has good prospects for development . Prospects based on the widespread use of underground distribution transformers , the topic through a combination of theoretical and experimental , process temperature rise of the transformer buried study to explore the feasibility of the Shanghai area distribution transformers buried . First explore this topic through the test to determine the selection of underground distribution transformers , to determine the class B insulation underground distribution transformers in the future to promote the use of the feasibility of , and thus will not need to pit buried and placed relative space without the pit -pit ventilation and drainage equipment are two ways to determine the pit to form more suited to the Shanghai region . Research and thermodynamic model to determine the distribution transformers directly buried in the ground (including pit ) temperature rise and buried soil with good heat dissipation conditions through a series of trials related numerical model validation for further study lay the foundation for buried underground distribution transformer running state of relations with the surrounding soil environment .

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CLC: > Industrial Technology > Electrotechnical > Transformers, converters and reactors > Transformers: the role of performance points > Distribution transformers
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