环氧树脂干式变压器的结构特点有哪几种

Release time:2022-11-25
author:Ameya360
source:网络
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  环氧树脂是难燃、阻燃、自熄的固体绝缘材料,安全、洁净环氧树脂干式变压器以环氧树脂为绝缘材料。高、低压绕组采用铜带(箔)绕成,在真空中浇注环氧树脂并固化,构成高强度玻璃钢体结构。另外高压线圈是完全包封的,耐外界环境的污秽和潮湿的能力较强。环氧树脂干式变压器有电气性能好、耐雷电冲击能力强、抗短路能力强、体积小重量轻等特点。可安装温度显示控制器,对变压器绕组的运行温度进行显示和控制,保证变压器正常使用寿命。

环氧树脂干式变压器的结构特点有哪几种

  下面来了解环氧树脂干式变压器的结构特点吧:

  1、高、低压绕组全部采用铜带(箔)绕成;

  2、高、低压绕组全部在真空中浇注环氧树脂并固化,构成高强度玻璃钢体结构;

  3、高、低压绕组根据散热要求设置有纵向通风气道;

  4、线圈内、外表面由玻璃纤维网格布增强;

  5、绝缘等级有F、H级;

  6、环氧树脂干式变压器体积小、重量轻。

环氧树脂干式变压器的结构特点有哪几种

  环氧树脂浇注干式变压器的绕组绝大多数是采用环氧树脂浇注成型的,成型后绕组的内在性能也随之确定,一旦成型后的绕组性能达不到规定的标准,就只好报废。所以,为了保证绕组的浇注质量,要求预浇注绕组的结构必须可靠。同时,要求绕组浇注材料配方要合理,且浇注工艺要先进。

环氧树脂干式变压器的结构特点有哪几种

  环氧树脂干式变压器由于其线圈被环氧树脂包封,所以难燃,防火、防爆,免维护,无污染,体积小,可直接安装在负荷中心。同时科学合理的设计和浇注工艺,使产品局部放电量更小,噪声低,散热能力强,在强迫风冷条件下可以在140%额定负载下长期运行,并配有智能温控仪,具有故障报警,超温报警,超温跳闸等优越功能。


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