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发明公开
CN104793170A 绝缘在线监测装置现场计量标准装置及校验方式 无效 - 驳回

绝缘在线监测装置现场计量标准装置及校验方式
摘要：
本发明公开了一种绝缘在线监测装置现场计量标准装置，该装置包括壳体以及设置在壳体内部的相对介损及氧化锌避雷器阻性电流模拟信号发生器和标准测试仪；在壳体上设有与相对介损及氧化锌避雷器阻性电流模拟信号发生器相连接的第一电流输出端子、第二电流输出端子和电压输出端子，第一电流信号通过第一电流输出端子传输到被检在线监测装置上，且该第一电流信号还通过设置在壳体内部的第一高精度穿心互感器传输到标准测试仪上；在壳体内部还设有一切换装置。本发明设计合理、结构简单，且具有体积小、质量轻、操作简单的优点，是可以用于在现场校验容性设备的介质损耗因数、电容量以及校验金属氧化物避雷器阻性电流或容性电流的在线或带电测试装置的一种现场计量标准装置。
摘要（英）：

The invention discloses a field measurement standard device of an insulated online monitoring device. The device comprises a shell, and a relative dielectric loss and zinc oxide arrester resistive current analog signal generator and a standard tester, which are arranged in the shell; a first current output terminal, a second current output terminal and a voltage output terminal connected with the relative dielectric loss and zinc oxide arrester resistive current analog signal generator are arranged on the shell, a first current signal is transmitted by the first current output terminal onto a detected online monitoring device, and the first current signal is further transmitted onto the standard tester through a first high precision punch current transformer arranged in the shell; a switching device is further arranged in the shell. The field measurement standard device disclosed by the invention has the advantages of reasonable design, simple structure, small volume, light weight and simple operation, and the field measurement standard device can be used for verifying the dielectric loss factor and the capacitance of capacitive equipment on site and verifying the online or charged test device of resistive current or capacitive current of a metal oxide arrester.

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