PROCEDURE AND ARRANGEMENT FOR THE SUPERVISION OF SUPPLY NETWORKS.

摘要

IN THE PROPOSED PROCEDURE, SPECTRAL VALUES ARE CALCULATED FROM THE CURRENT VALUES OF THE WORK NETWORK OR THE VOLTAGE OF THE WORK NETWORK, SAMPLED BY DISCRETE FOURIER TRANSFORMATION TECHNIQUES. OF THESE SPECTRAL VALUES, ONLY THOSE THAT ARE GREATER THAN THE THRESHOLD VALUES (SW) GIVEN ARE TRANSMITTED LATER OR STORED. STOP REBUILDING SAMPLED VALUES, LOST SPECTRAL VALUES ARE CONSIDERED AS ZERO HEAT. IN GENERAL, ONLY THOSE SPECTRAL VALUES THAT ARE ASSOCIATED WITH A PREVIOUS AND SUBSEQUENT HISTORY OF SEVERAL SECONDS ARE TRANSMITTED OR STORED. THE INVENTION IS SUITABLE FOR USE IN DISTURBANCE RECORDS.