Measurement System of Dissolved Gas Components in Transformer Oil Based on Time Division Multiplexing
A transformer oil and time-division multiplexing technology, which is applied in the direction of color/spectral characteristic measurement, etc., can solve the problems of low measurement accuracy, cross-interference of background gas, long measurement time, etc.
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[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0017] see figure 1 and figure 2 It is illustrated that the time division multiplexing-based TDLAS transformer oil dissolved gas composition measurement system includes a conversion relay group 101, a laser group 102, a fiber beam splitter 103, a collimating mirror 104, a hollow fiber air chamber 106, a temperature sensor 108, and a temperature controller. 107, focuser 121, vacuum pump 119, exhaust gas treatment device 118, photodetector 115, preamplifier 112, lock-in amplifier 111, A / D converter 109, I / O converter 113, laser controller 114 and embedded computer 110;
[0018] The signal line of the embedded computer 110 is connected to the I / O converter 113 and the A / D converter 109 , one signal output end of the I / O converter 113 is connected to the switch relay group 101 , and the other side of the I / O converter 113 is connected to the switch relay g...
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