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实用新型
CN203337300U 一种变压器绕组幅向应力测量装置 有权

一种变压器绕组幅向应力测量装置
摘要：
本实用新型公开了一种变压器绕组幅向应力测量装置，它包括第一光纤接头、粘贴在变压器线圈绕组表面绝缘纸上的第一玻璃纤维带、固定在第一玻璃纤维带上的第一光纤光栅应变传感器、输入端与第一光纤光栅应变传感器的输出端连接的第一光纤耦合器、一端与第一光纤耦合器输出端连接的第一内部连接光纤、与第一内部连接光纤的另一端连接的第一外部连接光纤、与第一外部连接光纤连接的光纤光栅解调仪、与光纤光栅解调仪连接的计算机，其中，第一内部连接光纤通过第一光纤接头与第一外部连接光纤连接。本实用新型为变压器抗短路能力研究，变压器绕组变形诊断提供了准确有效的绕组幅向应力测量数据。
摘要（英）：

The utility model discloses a transformer winding longitudinal stress measuring device which comprises a first optical fiber connector, a first glass fiber tape adhered to insulation paper on the surface of a transformer coil winding, a first fiber grating strain sensor fixed on the first glass fiber tape, a first optical fiber coupler having an input end connected with an output end of the first fiber grating strain sensor, a first internal jointed fiber having an end connected with an output end of the first optical fiber coupler, a first external jointed fiber connected with the other end of the first internal jointed fiber, a fiber grating demodulator connected with the first external jointed fiber and a computer connected with the fiber grating demodulator, wherein the first internal jointed fiber is connected with the first external jointed fiber through the first optical fiber connector. The utility model provides accurate and effective winding longitudinal stress metrical data for anti-short circuit capacity research of a transformer and winding deformation diagnosis of a transformer.

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