CN107967985A - 一种具有铝合金复合冷却管的电力变压器冷却系统 - Google Patents

一种具有铝合金复合冷却管的电力变压器冷却系统 Download PDF

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CN107967985A
CN107967985A CN201710931375.3A CN201710931375A CN107967985A CN 107967985 A CN107967985 A CN 107967985A CN 201710931375 A CN201710931375 A CN 201710931375A CN 107967985 A CN107967985 A CN 107967985A
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Abstract

一种具有铝合金复合冷却管的电力变压器冷却系统，包括外部缠绕有铝合金复合冷却管的三相绕组和承载三相绕组的架体，三相绕组每个绕组分别设有独立的铝合金复合冷却管，复合冷却管连接变压箱外的冷却油泵，外部缠绕冷却管的三相绕组有效提高了冷却效率，有保证变压器的正常运行；本发明电力变压器冷却系统采用铝合金复合冷却管保证了冷却系统的强度要求。

Description

一种具有铝合金复合冷却管的电力变压器冷却系统
技术领域
本发明涉一种具有铝合金复合冷却管的电力变压器冷却系统，属于电力变压器技术领域。
背景技术
近年来，发生在国内外的电力事故使人们意识到电力系统的安全涉及到整个社会经济生活的安全。在电力系统输变电的过程中，变压器作为电能传输的纽带，是电力设备中最重要和最关键的设备之一，其安全稳定运行关系到整个电网的稳定运行。运行在系统中的变压器一旦出现严重事故，不仅会造成设备的自身破坏，还会中断电力网的电能供应，给社会的生产和生活造成巨大的影响。尤其随着电力系统的电压等级越来越高，长期运行在电力系统中的变压器散热的逐步恶化问题显得更加突出，因此，改善变压器运行的散热问题，从而减少绝缘故障已成为现实的迫切需要。
发明内容
一种具有铝合金复合冷却管的电力变压器冷却系统，包括外部缠绕有铝合金复合冷却管的三相绕组和承载三相绕组的架体，三相绕组每个绕组分别设有独立的铝合金复合冷却管，复合冷却管连接变压箱外的冷却油泵，冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷150-160份，月桂基磺酸钠20-30份，氢氧化钾5-6份，亚硝酸钠4-5份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份，铝合金复合冷却管包括铝合金管体和铝合金管体外的保护涂层，铝合金元素组成为：Mg7-8%，Nb4-5%，Ag0.7-0.8%，Fe0.5-0.6%，Ba0.4-0.5%，Ti0.2-0.3%，Si0.10.2%，Mn0.08-0.09%，Zn0.07-0.08%，B0.07-0.08%，Ga0.02-0.03%，Nd0.01-0.02%，余量为Al，保护涂层包括：氧化锆100份，碳化钛20-30份，碳化钼10-15份，氮化硅5-6份，碳化铬2-3份。
所述的一种电力变压器冷却系统，冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷150份，月桂基磺酸钠20份，氢氧化钾5份，亚硝酸钠4份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份。
所述的一种电力变压器冷却系统，冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷160份，月桂基磺酸钠30份，氢氧化钾6份，亚硝酸钠5份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份。
所述的一种电力变压器冷却系统，冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷155份，月桂基磺酸钠25份，氢氧化钾5.5份，亚硝酸钠4.5份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份。
所述的一种电力变压器冷却系统，铝合金元素组成为：Mg7%，Nb4%，Ag0.7%，Fe0.5%，Ba0.4%，Ti0.2%，Si0.1%，Mn0.08%，Zn0.07%，B0.07%，Ga0.02%，Nd0.01%，余量为Al。
所述的一种电力变压器冷却系统，铝合金元素组成为：Mg8%，Nb5%，Ag0.8%，Fe0.6%，Ba0.5%，Ti0.3%，Si0.2%，Mn0.09%，Zn0.08%，B0.08%，Ga0.03%，Nd0.02%，余量为Al。
所述的一种电力变压器冷却系统，铝合金元素组成为：Mg7.5%，Nb4.5%，Ag0.75%，Fe0.55%，Ba0.45%，Ti0.25%，Si0.15%，Mn0.085%，Zn0.075%，B0.075%，Ga0.025%，Nd0.015%，余量为Al。
所述的一种电力变压器冷却系统，保护涂层包括：氧化锆100份，碳化钛20份，碳化钼10份，氮化硅5份，碳化铬2份。
所述的一种电力变压器冷却系统，保护涂层包括：氧化锆100份，碳化钛30份，碳化钼15份，氮化硅6份，碳化铬3份。
所述的一种电力变压器冷却系统，保护涂层包括：氧化锆100份，碳化钛25份，碳化钼13份，氮化硅5.5份，碳化铬2.5份。
上述发明内容相对于现有技术的有益效果在于：1）外部缠绕冷却管的三相绕组有效提高了冷却效率，有保证变压器的正常运行；2）本发明电力变压器冷却系统采用铝合金复合冷却管保证了冷却系统的强度要求；3）冷却系统中的冷却油具有很好的热传导性使得热量传导更加快。4）保护涂层具有更好的防火性能和绝缘性，又能降低产品成本，提高使用寿命。
附图说明
图1为电力变压器冷却系统示意图。
具体实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现详细说明本发明的
具体实施方式。
一种电力变压器冷却系统，包括外部缠绕有铝合金复合冷却管1的三相绕组2和承载三相绕组的架体3，三相绕组每个绕组分别设有独立的铝合金复合冷却管，复合冷却管连接变压箱外的冷却油泵4，在冷却管环路上还设有散热装置(未示出)，散热装置为风冷或水冷系统。
实施例1
一种电力变压器冷却系统，包括外部缠绕有铝合金复合冷却管的三相绕组和承载三相绕组的架体，三相绕组每个绕组分别设有独立的铝合金复合冷却管，复合冷却管连接变压箱外的冷却油泵，冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷150份，月桂基磺酸钠20份，氢氧化钾5份，亚硝酸钠4份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份，铝合金复合冷却管包括铝合金管体和铝合金管体外的保护涂层，铝合金元素组成为：Mg7%，Nb4%，Ag0.7%，Fe0.5%，Ba0.4%，Ti0.2%，Si0.1%，Mn0.08%，Zn0.07%，B0.07%，Ga0.02%，Nd0.01%，余量为Al，保护涂层包括：氧化锆100份，碳化钛20份，碳化钼10份，氮化硅5份，碳化铬2份。
实施例2
一种电力变压器冷却系统，包括外部缠绕有铝合金复合冷却管的三相绕组和承载三相绕组的架体，三相绕组每个绕组分别设有独立的铝合金复合冷却管，复合冷却管连接变压箱外的冷却油泵，冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷160份，月桂基磺酸钠30份，氢氧化钾6份，亚硝酸钠5份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份，铝合金复合冷却管包括铝合金管体和铝合金管体外的保护涂层，铝合金元素组成为：Mg8%，Nb5%，Ag0.8%，Fe0.6%，Ba0.5%，Ti0.3%，Si0.2%，Mn0.09%，Zn0.08%，B0.08%，Ga0.03%，Nd0.02%，余量为Al，保护涂层包括：氧化锆100份，碳化钛30份，碳化钼15份，氮化硅6份，碳化铬3份。
实施例3
一种电力变压器冷却系统，包括外部缠绕有铝合金复合冷却管的三相绕组和承载三相绕组的架体，三相绕组每个绕组分别设有独立的铝合金复合冷却管，复合冷却管连接变压箱外的冷却油泵，冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷155份，月桂基磺酸钠25份，氢氧化钾5.5份，亚硝酸钠4.5份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份，铝合金复合冷却管包括铝合金管体和铝合金管体外的保护涂层，铝合金元素组成为：Mg7.5%，Nb4.5%，Ag0.75%，Fe0.55%，Ba0.45%，Ti0.25%，Si0.15%，Mn0.085%，Zn0.075%，B0.075%，Ga0.025%，Nd0.015%，余量为Al，保护涂层包括：氧化锆100份，碳化钛25份，碳化钼15份，氮化硅5.5份，碳化铬2.5份。
实施例4
一种电力变压器冷却系统，包括外部缠绕有铝合金复合冷却管的三相绕组和承载三相绕组的架体，三相绕组每个绕组分别设有独立的铝合金复合冷却管，复合冷却管连接变压箱外的冷却油泵，冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷152份，月桂基磺酸钠21份，氢氧化钾5.2份，亚硝酸钠4.3份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份，铝合金复合冷却管包括铝合金管体和铝合金管体外的保护涂层，铝合金元素组成为：Mg7.4%，Nb4.3%，Ag0.72%，Fe0.51%，Ba0.42%，Ti0.23%，Si0.13%，Mn0.082%，Zn0.071%，B0.071%，Ga0.022%，Nd0.013%，余量为Al，保护涂层包括：氧化锆100份，碳化钛24份，碳化钼13份，氮化硅5.2份，碳化铬2.2份。
实施例5
一种电力变压器冷却系统，包括外部缠绕有铝合金复合冷却管的三相绕组和承载三相绕组的架体，三相绕组每个绕组分别设有独立的铝合金复合冷却管，复合冷却管连接变压箱外的冷却油泵，冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷159份，月桂基磺酸钠28份，氢氧化钾5.7份，亚硝酸钠4.8份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份，铝合金复合冷却管包括铝合金管体和铝合金管体外的保护涂层，铝合金元素组成为：Mg7.8%，Nb4.7%，Ag0.77%，Fe0.56%，Ba0.47%，Ti0.28%，Si0.19%，Mn0.088%，Zn0.079%，B0.078%，Ga0.027%，Nd0.016%，余量为Al，保护涂层包括：氧化锆100份，碳化钛27份，碳化钼14份，氮化硅5.6份，碳化铬2.7份。

Claims (1)

1.一种具有铝合金复合冷却管的电力变压器冷却系统，包括外部缠绕有铝合金复合冷却管的三相绕组和承载三相绕组的架体，三相绕组每个绕组分别设有独立的铝合金复合冷却管，复合冷却管连接变压箱外的冷却油泵，
冷却系统中的冷却油包括：1-苯基-1-二甲苯基乙烷150-160份，月桂基磺酸钠20-30份，氢氧化钾5-6份，亚硝酸钠4-5份，癸二酸2份，二乙醇胺5份，聚正丁基乙烯醚5份，
铝合金复合冷却管包括铝合金管体和铝合金管体外的保护涂层，铝合金元素组成为：
Mg7-8%，Nb4-5%，Ag0.7-0.8%，Fe0.5-0.6%，Ba0.4-0.5%，Ti0.2-0.3%，Si0.10.2%，
Mn0.08-0.09%，Zn0.07-0.08%，B0.07-0.08%，Ga0.02-0.03%，Nd0.01-0.02%，余量为Al，
保护涂层包括：氧化锆100份，碳化钛20-30份，碳化钼10-15份，氮化硅5-6份，碳化铬2-3份；
铝合金元素组成为：Mg7%，Nb4%，Ag0.7%，Fe0.5%，Ba0.4%，Ti0.2%，Si0.1%，Mn0.08%，Zn0.07%，B0.07%，Ga0.02%Nd0.01%，余量为Al。
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