知搜-全球专利检索

  1. 登录
  2. 注册
实用新型
CN201398067Y 超高压与变压器连接法兰处的外壳绝缘件过电压保护器 失效 - 权利终止

超高压与变压器连接法兰处的外壳绝缘件过电压保护器
摘要：
本实用新型涉及一种大、中型水电工程领域超高压气体绝缘组合电器(GIS)设备，特别是一种超高压与变压器连接法兰处的外壳绝缘件过电压保护器，它包括套接在OIL/SF6套管外的GIS母线筒及连接GIS母线筒与OIL/SF6套管下部的调节法兰，其特征是：在连接GIS母线筒与OIL/SF6套管下部的调节法兰外壳绝缘件两侧并联有过电压保护器，过电压保护器是ZnO避雷器，在OIL/SF6套管1下部连接有套管升高座5。这种过电压保护器可以阻止VFTO的传递，达到保护变压器的目的。它结构简单，成本低廉，方便可靠，效果显著，具有较强的推广应用价值。
摘要（英）：

The utility model relates to an ultrahigh voltage gas insulation combined electric appliance (GIS) in the large and medium hydraulic power project fields, in particular to a casing insulator overvoltage protector on the connection flange of ultrahigh voltage and transformer, which comprises a GIS bus tube sheathed outside an OIL/SF6 sleeve, and a regulating flange for connecting the GIS bus tube and the lower part of an OIL/SF6 sleeve. The casing insulator overvoltage protector is characterized in that the two sides of the casing insulator of the regulating flange for connecting the GIS bus tube and the lower part of an OIL/SF6 sleeve are connected with overvoltage protector in parallel; the overvoltage protector is a ZnO arrester; and the lower part of the OIL/SF6 sleeve 1 is connected with a sleeve lifting seat 5. The overvoltage protector can prevent the transmission of VFTO, and achieves the purpose of protecting the transformer. The casing insulator overvoltage protector has simple structure, low cost, convenient and reliable use, significant effect and strong popularization and application value.

0/0