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成都电讯工程学院研制的OFTM-1型光纤温度测量仪,最近在沈阳变压器厂一台31500kVA变压器上试验成功。该仪器的8只光纤温度传感器安装在变压器的高压线圈上、中、下部分的测点。试验按电力变压器温升试验规程测量变压器内油面温度和线圈平均温升以作比较。变压器与OFTM-1型温度测量仪由300米光缆连接。试验结果表明,OFTM-1型光纤温度测量仪工作稳定(连续工作8小时),抗
OFTM-1 optical fiber temperature measuring instrument developed by Chengdu Telecommunication Engineering Institute has been successfully tested on a 31500kVA transformer in Shenyang Transformer Factory. The instrument’s eight optical fiber temperature sensor installed in the high-voltage transformer coil, the middle and lower part of the measuring point. Test according to the power transformer temperature rise test procedures measuring the oil temperature inside the coil and the coil average temperature for comparison. The transformer and OFTM-1 temperature measuring instrument is connected by a 300-meter optical cable. Test results show that, OFTM-1 optical fiber temperature measuring instrument stable (continuous work 8 hours), anti-