Device for measuring currents in a high voltage conductor including a controlled optical arrangement

摘要: A control unit derives a magnitude from current to be measured in high voltage conductor. controlled optical arrangement utilizes the for converting light beam into pulses having an information content corresponding measured. is directed arrangement. receiver converts output signals The comprises electro-optical or magneto-optical device including double refractor polarization plane rotator transverse refracting and rotating of beam. polarizer polarizes after rotation thereof.