Primary current signal simulator for optical current transformer
A technology of current transformer and current signal, applied in the field of primary current signal simulator, can solve the problems of large primary current and difficult research and development process of optical current transformer, etc.
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[0023] Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0024] figure 2 It is the basic principle diagram of the optical current transformer based on the Faraday magneto-optical effect in the prior art. image 3 It is a schematic diagram of a primary current signal simulator of an optical current transformer based on the Faraday magneto-optical effect applying the concept of the present invention.
[0025] in the prior art figure 2 In the above, the light source generates light with constant power. After the light passes through the polarizer, it becomes linearly polarized light. After the linearly polarized light passes through the magneto-optical material placed in the magnetic field, the polarization angle is deflected. The deflection angle and the magnetic field in which it is located Proportional to the magnetic field strength, that is, proportional to the current to be measured. After the deflected polarized light...
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