Device for measuring space charges in transformer oil under impulse voltages
A transformer oil and impulse voltage technology, applied in the direction of measuring devices, measuring electrical variables, instruments, etc., can solve the problem of unsuitable transformer oil, etc., and achieve high sensitivity, safe automatic control and signal processing, and easy automatic control and signal processing Effect
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[0019] The present invention will be described in detail below with reference to the drawings.
[0020] See figure 1 The device for measuring space charge in transformer oil under impulse voltage of this embodiment includes two parts: a voltage system and an optical system. The optical system includes a helium-neon laser 1 and a light receiving device 10 arranged oppositely. On the optical path between the polarizer 2, λ / 4 wave plate I 3, beam expander 4, fuel tank 5, λ / 4 wave plate II 7, analyzer 8, spatial filter 9 and light receiving device 10 The oil tank 5 is provided with an electrode 6 containing a liquid medium; the signal output end of the light receiving device 10 is electrically connected to the signal input end of the oscilloscope 11. The helium-neon laser 1, the light receiving device 10, the polarizer 2, the λ / 4 wave plate I 3, the beam expander 4, the fuel tank 5, the λ / 4 wave plate II 7, the analyzer 8, the spatial filter 9 Both the light receiving device 10 and ...
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