CN108053914B - 一种低电力损耗的干式变压器 - Google Patents
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Abstract
本发明属于变压器技术领域,尤其是涉及一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层及包覆在导体层外的绝缘漆层构成,导体层的横截面是圆形,绝缘漆层的横截面是圆形;所述导体层及绝缘漆层是特殊的材料。本发明具有以下主要有益效果:变压器重量轻、成本低、运输及安装方便、漆包线的漆层粘结强度高且更耐高温、电力损耗更低。
Description
本申请是名称为:一种低电力损耗的干式变压器、申请日为:2016年6月9日、申请号为:201610401261.3的发明专利申请的分案申请。
技术领域
本发明属于变压器技术领域,尤其是涉及一种低电力损耗的干式变压器。
背景技术
随着电力行业的快速发展,干式变压器的使用量日益增加。现有技术中的干式变压器中使用的导体主要有铜箔和漆包线,漆包线中的导电材料主要是铜,由于铜的密度较大,因此,变压器的整体重量较重,且其为重金属,故价格比较昂贵;由于铜的固有特征,因此,对于漆包线的漆具有较高的要求,故漆层的材料也居高不下。因此,行业内需求具有重量更轻、成本更低的变压器。
发明内容
为了解决上述问题,本发明的目的是揭示一种低电力损耗的干式变压器,它是采用以下技术方案来实现的。
本发明的第1实施例中,一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层及包覆在导体层外的绝缘漆层构成,导体层的横截面是圆形,绝缘漆层的横截面是圆形,绝缘漆层的横截面积是导体层的横截面积的0.1~1.5倍,所述导体层按重量份计,由以下原材料构成:铜20~30份、铝60~80份、硼2~4份、硅1~3份、锰1~2份、镁0.1~0.4份、银0.1~0.3份、锆0.1~0.2份、铬0.1~0.2份、锌0.3~0.6份、钇0.1~0.2份、钛0.2~0.4份、铍0.1~0.2份、铼0.1~0.2份、钨0.1~0.3份、镓0.1~0.3份,其中,按质量比,铜:铝:硼:硅:锰=1:(2~4):(0.06~0.13):(0.03~0.15):(0.03~0.10);所述绝缘漆层按重量份计,由以下原材料构成:二甲基乙酰胺70~80份、乙醇8~10份、聚酰胺酸7~9份、环烷酸钴2~4份、对苯二甲酸丁二醇酯1~3份、碳化硅5~10份、二苯甲烷二异氰酸酯8~14份、聚氨基树脂3~7份、尼龙6或尼龙12:3~6份、醋酸乙酯6~9份、醋酸丁酯1~2份、乙酸3~5份、云母10~15份、三氧化二铝1~1.5份、型号为G60-95的防火清漆4~6份、二月桂酸二丁基锡2~4份。
本发明的第2实施例中,一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层及包覆在导体层外的绝缘漆层构成,导体层的横截面是矩形,绝缘漆层的横截面是圆形,绝缘漆层的横截面积是导体层的横截面积的0.1~2.5倍,所述导体层按重量份计,由以下原材料构成:铜20~30份、铝60~80份、硼2~4份、硅1~3份、锰1~2份、镁0.1~0.4份、银0.1~0.3份、锆0.1~0.2份、铬0.1~0.2份、锌0.3~0.6份、钇0.1~0.2份、钛0.2~0.4份、铍0.1~0.2份、铼0.1~0.2份、钨0.1~0.3份、镓0.1~0.3份,其中,按质量比,铜:铝:硼:硅:锰=1:(2~4):(0.06~0.13):(0.03~0.15):(0.03~0.10);所述绝缘漆层按重量份计,由以下原材料构成:二甲基乙酰胺70~80份、乙醇8~10份、聚酰胺酸7~9份、环烷酸钴2~4份、对苯二甲酸丁二醇酯1~3份、碳化硅5~10份、二苯甲烷二异氰酸酯8~14份、聚氨基树脂3~7份、尼龙6或尼龙12:3~6份、醋酸乙酯6~9份、醋酸丁酯1~2份、乙酸3~5份、云母10~15份、三氧化二铝1~1.5份、型号为G60-95的防火清漆4~6份、二月桂酸二丁基锡2~4份。
本发明的第3实施例中,一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层及包覆在导体层外的绝缘漆层构成,导体层的横截面是矩形,绝缘漆层的横截面是矩形,绝缘漆层的横截面积是导体层的横截面积的0.1~1.8倍,所述导体层按重量份计,由以下原材料构成:铜20~30份、铝60~80份、硼2~4份、硅1~3份、锰1~2份、镁0.1~0.4份、银0.1~0.3份、锆0.1~0.2份、铬0.1~0.2份、锌0.3~0.6份、钇0.1~0.2份、钛0.2~0.4份、铍0.1~0.2份、铼0.1~0.2份、钨0.1~0.3份、镓0.1~0.3份,其中,按质量比,铜:铝:硼:硅:锰=1:(2~4):(0.06~0.13):(0.03~0.15):(0.03~0.10);所述绝缘漆层按重量份计,由以下原材料构成:二甲基乙酰胺70~80份、乙醇8~10份、聚酰胺酸7~9份、环烷酸钴2~4份、对苯二甲酸丁二醇酯1~3份、碳化硅5~10份、二苯甲烷二异氰酸酯8~14份、聚氨基树脂3~7份、尼龙6或尼龙12:3~6份、醋酸乙酯6~9份、醋酸丁酯1~2份、乙酸3~5份、云母10~15份、三氧化二铝1~1.5份、型号为G60-95的防火清漆4~6份、二月桂酸二丁基锡2~4份。
本发明具有以下主要有益效果:变压器重量轻、成本低、运输及安装方便、漆包线的漆层粘结强度高且更耐高温、电力损耗更低。
附图说明
图1为本发明实施实例1中使用的漆包线的横截面结构示意图。
图2为本发明实施实例2中使用的漆包线的横截面结构示意图。
图3为本发明实施实例3中使用的漆包线的横截面结构示意图。
具体实施方式
实施实例1
请见图1,一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层1及包覆在导体层1外的绝缘漆层2构成,导体层的横截面是圆形,绝缘漆层的横截面是圆形,绝缘漆层的横截面积是导体层的横截面积的0.1~1.5倍,所述导体层按重量份计,由以下原材料构成:铜20~30份、铝60~80份、硼2~4份、硅1~3份、锰1~2份、镁0.1~0.4份、银0.1~0.3份、锆0.1~0.2份、铬0.1~0.2份、锌0.3~0.6份、钇0.1~0.2份、钛0.2~0.4份、铍0.1~0.2份、铼0.1~0.2份、钨0.1~0.3份、镓0.1~0.3份,其中,按质量比,铜:铝:硼:硅:锰=1:(2~4):(0.06~0.13):(0.03~0.15):(0.03~0.10);所述绝缘漆层按重量份计,由以下原材料构成:二甲基乙酰胺70~80份、乙醇8~10份、聚酰胺酸7~9份、环烷酸钴2~4份、对苯二甲酸丁二醇酯1~3份、碳化硅5~10份、二苯甲烷二异氰酸酯8~14份、聚氨基树脂3~7份、尼龙6或尼龙12:3~6份、醋酸乙酯6~9份、醋酸丁酯1~2份、乙酸3~5份、云母10~15份、三氧化二铝1~1.5份、型号为G60-95的防火清漆4~6份、二月桂酸二丁基锡2~4份。
实施实例2
请见图2,一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层1及包覆在导体层1外的绝缘漆层2构成,导体层的横截面是矩形,绝缘漆层的横截面是圆形,绝缘漆层的横截面积是导体层的横截面积的0.1~2.5倍,所述导体层按重量份计,由以下原材料构成:铜20~30份、铝60~80份、硼2~4份、硅1~3份、锰1~2份、镁0.1~0.4份、银0.1~0.3份、锆0.1~0.2份、铬0.1~0.2份、锌0.3~0.6份、钇0.1~0.2份、钛0.2~0.4份、铍0.1~0.2份、铼0.1~0.2份、钨0.1~0.3份、镓0.1~0.3份,其中,按质量比,铜:铝:硼:硅:锰=1:(2~4):(0.06~0.13):(0.03~0.15):(0.03~0.10);所述绝缘漆层按重量份计,由以下原材料构成:二甲基乙酰胺70~80份、乙醇8~10份、聚酰胺酸7~9份、环烷酸钴2~4份、对苯二甲酸丁二醇酯1~3份、碳化硅5~10份、二苯甲烷二异氰酸酯8~14份、聚氨基树脂3~7份、尼龙6或尼龙12:3~6份、醋酸乙酯6~9份、醋酸丁酯1~2份、乙酸3~5份、云母10~15份、三氧化二铝1~1.5份、型号为G60-95的防火清漆4~6份、二月桂酸二丁基锡2~4份。
实施实例3
请见图3,一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层1及包覆在导体层1外的绝缘漆层2构成,导体层的横截面是矩形,绝缘漆层的横截面是矩形,绝缘漆层的横截面积是导体层的横截面积的0.1~1.8倍,所述导体层按重量份计,由以下原材料构成:铜20~30份、铝60~80份、硼2~4份、硅1~3份、锰1~2份、镁0.1~0.4份、银0.1~0.3份、锆0.1~0.2份、铬0.1~0.2份、锌0.3~0.6份、钇0.1~0.2份、钛0.2~0.4份、铍0.1~0.2份、铼0.1~0.2份、钨0.1~0.3份、镓0.1~0.3份,其中,按质量比,铜:铝:硼:硅:锰=1:(2~4):(0.06~0.13):(0.03~0.15):(0.03~0.10);所述绝缘漆层按重量份计,由以下原材料构成:二甲基乙酰胺70~80份、乙醇8~10份、聚酰胺酸7~9份、环烷酸钴2~4份、对苯二甲酸丁二醇酯1~3份、碳化硅5~10份、二苯甲烷二异氰酸酯8~14份、聚氨基树脂3~7份、尼龙6或尼龙12:3~6份、醋酸乙酯6~9份、醋酸丁酯1~2份、乙酸3~5份、云母10~15份、三氧化二铝1~1.5份、型号为G60-95的防火清漆4~6份、二月桂酸二丁基锡2~4份。
上述任一实施实例中所述的一种低电力损耗的干式变压器,其特征在于所述导体层按重量份计,由以下原材料构成时,能达到最优的性能:铜25份、铝70份、硼3份、硅2份、锰1.5份、镁0.25份、银0.2份、锆0.15份、铬0.15份、锌0.45份、钇0.15份、钛0.3份、铍0.15份、铼0.15份、钨0.2份、镓0.2份,其中,按质量比,铜:铝:硼:硅:锰=1:2.8:0.12:0.08:0.06。
上述任一实施实例中所述的一种低电力损耗的干式变压器,其特征在于所述绝缘漆层按重量份计,由以下原材料构成时,能达到最优的性能:二甲基乙酰胺75份、乙醇9份、聚酰胺酸8份、环烷酸钴3份、对苯二甲酸丁二醇酯2份、碳化硅7.5份、二苯甲烷二异氰酸酯11份、聚氨基树脂5份、尼龙6或尼龙12:4.5份、醋酸乙酯4.5份、醋酸丁酯1.5份、乙酸4份、云母12.5份、三氧化二铝1.25份、型号为G60-95的防火清漆5份、二月桂酸二丁基锡3份。
本发明中,导体层中加入锆与铝形成ZrAl3化合物,阻碍再结晶过程,细化再结晶晶粒;加入的银使铝合多的导电率大大提高,接近了铜的导电率;铬、钨、钛、锌等的加入,大大提高了导体的抗腐蚀能力;铜:铝:硼:硅:锰质量比为铜:铝:硼:硅:锰=1:(2~4):(0.06~0.13):(0.03~0.15):(0.03~0.10),导体的强度远大于铜材料的强度,保证了导体的强度比纯铝的强度高70~90MPa、收缩率比纯铝的小40%~60%、同样环境条件时120℃~250℃之间抗氧化的机率比纯铜降低300%~600%、同样环境条件时120℃~250℃之间抗氧化的机率比纯铝降低90%~150%;20℃时电阻率为0.01773Ω·m~0.01856Ω·m,而20℃时铜线的标称电阻率为0.01724Ω·m、20℃时铝线的标称电阻率为0.0258Ω·m;同样的载流量,重量比铜的明显减轻;最优配方时,20℃时电阻率达到为0.01773Ω·m。
因此,本发明中的导体层材料具有导电率更高,抗腐蚀能力更强,强度更高,成本更低;重量更轻、运费更低、价格更便宜等优点。
本发明中,绝缘漆层的特殊配方,使得其具有更优良的粘结性能,表面光滑,绝缘漆层厚度为0.05mm时,与本发明中的导体层粘结后,8小时后,粘结力最小值为35g,连续150℃、720h试验后漆层无目力开裂、重量百分比换算挥发量≤0.35%;绝缘漆层厚度为0.10mm时,与本发明中的导体层粘结后,8小时后,粘结力最小值为30g,连续150℃、720h试验后漆层无目力开裂、重量百分比换算挥发量≤0.50%;采用最优配方时,绝缘漆层厚度为0.05mm时,与本发明中的导体层粘结后,8小时后,粘结力最小值为45g,连续150℃、720h试验后漆层无目力开裂、重量百分比换算挥发量≤0.20%;绝缘漆层厚度为0.10mm时,与本发明中的导体层粘结后,8小时后,粘结力最小值为38g,连续150℃、720h试验后漆层无目力开裂、重量百分比换算挥发量≤0.30%。
因此,本发明中的绝缘漆层不仅有较好的粘结强度,而且还具有优良的高温稳定性。
由于本发明中的导体层相比铝导体具有较低的电阻率,且与铜导体接近,故节能效果更加显著、电力损耗更低。
本发明中的变压器重量轻、成本低、运输及安装方便、漆包线的漆层粘结强度高且更耐高温、电力损耗更低。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (3)
1.一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层及包覆在导体层外的绝缘漆层构成,导体层的横截面是圆形,绝缘漆层的横截面是圆形,绝缘漆层的横截面积是导体层的横截面积的0.1~1.5倍,所述导体层按重量份计,由以下原材料构成:铜25份、铝70份、硼3份、硅2份、锰1.5份、镁0.25份、银0.2份、锆0.15份、铬0.15份、锌0.45份、钇0.15份、钛0.3份、铍0.15份、铼0.15份、钨0.2份、镓0.2份,其中,按质量比,铜:铝:硼:硅:锰=1:2.8:0.12:0.08:0.06;所述绝缘漆层按重量份计,由以下原材料构成:二甲基乙酰胺70~80份、乙醇8~10份、聚酰胺酸7~9份、环烷酸钴2~4份、对苯二甲酸丁二醇酯1~3份、碳化硅5~10份、二苯甲烷二异氰酸酯8~14份、聚氨基树脂3~7份、尼龙6或尼龙12:3~6份、醋酸乙酯6~9份、醋酸丁酯1~2份、乙酸3~5份、云母10~15份、三氧化二铝1~1.5份、型号为G60-95的防火清漆4~6份、二月桂酸二丁基锡2~4份。
2.一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层及包覆在导体层外的绝缘漆层构成,导体层的横截面是圆形,绝缘漆层的横截面是圆形,绝缘漆层的横截面积是导体层的横截面积的0.1~1.5倍,所述导体层按重量份计,由以下原材料构成:铜20~30份、铝60~80份、硼2~4份、硅1~3份、锰1~2份、镁0.1~0.4份、银0.1~0.3份、锆0.1~0.2份、铬0.1~0.2份、锌0.3~0.6份、钇0.1~0.2份、钛0.2~0.4份、铍0.1~0.2份、铼0.1~0.2份、钨0.1~0.3份、镓0.1~0.3份,其中,按质量比,铜:铝:硼:硅:锰=1:(2~4):(0.06~0.13):(0.03~0.15):(0.03~0.10);所述绝缘漆层按重量份计,由以下原材料构成:二甲基乙酰胺75份、乙醇9份、聚酰胺酸8份、环烷酸钴3份、对苯二甲酸丁二醇酯2份、碳化硅7.5份、二苯甲烷二异氰酸酯11份、聚氨基树脂5份、尼龙6或尼龙12:4.5份、醋酸乙酯4.5份、醋酸丁酯1.5份、乙酸4份、云母12.5份、三氧化二铝1.25份、型号为G60-95的防火清漆5份、二月桂酸二丁基锡3份。
3.一种低电力损耗的干式变压器,包含有铁芯、套装在铁芯外的低压线圈、套装在低压线圈外的高压线圈、箱体、高压引出线、低压引出线、高压套管、低压套管,低压线圈中使用了低压漆包线,高压线圈中使用了高压漆包线;其特征在于,所述低压漆包线由导体层及包覆在导体层外的绝缘漆层构成,导体层的横截面是圆形,绝缘漆层的横截面是圆形,绝缘漆层的横截面积是导体层的横截面积的0.1~1.5倍,所述导体层按重量份计,由以下原材料构成:铜25份、铝70份、硼3份、硅2份、锰1.5份、镁0.25份、银0.2份、锆0.15份、铬0.15份、锌0.45份、钇0.15份、钛0.3份、铍0.15份、铼0.15份、钨0.2份、镓0.2份,其中,按质量比,铜:铝:硼:硅:锰=1:2.8:0.12:0.08:0.06;所述绝缘漆层按重量份计,由以下原材料构成:二甲基乙酰胺75份、乙醇9份、聚酰胺酸8份、环烷酸钴3份、对苯二甲酸丁二醇酯2份、碳化硅7.5份、二苯甲烷二异氰酸酯11份、聚氨基树脂5份、尼龙6或尼龙12:4.5份、醋酸乙酯4.5份、醋酸丁酯1.5份、乙酸4份、云母12.5份、三氧化二铝1.25份、型号为G60-95的防火清漆5份、二月桂酸二丁基锡3份。
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