AN ELECTRICAL FAULT MONITORING AND CONTROL UNIT

A method of and an electrical fault monitoring apparatus for mon itoring an electrical load in an alternating current electrical installation are disclosed. An input terminal is connected to the electrical load to receive current/voltage input signals associated with the electrical load. A monitor i...

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Hauptverfasser: HAUSSERMANN, ERICH, JAKOB, CAMPETTI, GIANFRANCO
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CAMPETTI, GIANFRANCO
description A method of and an electrical fault monitoring apparatus for mon itoring an electrical load in an alternating current electrical installation are disclosed. An input terminal is connected to the electrical load to receive current/voltage input signals associated with the electrical load. A monitor in communication with the input terminal, monitors the input signals. An operator pre-defines threshold settings suitable for the particular load. A comparator is responsive to the monitor and compares the monitored input signals with the threshold settings and triggers an event if the monitored input signal violates a threshold setting. An output signal is then produced which activates ancillary equipment controlling the supply of power to the load. Tests are conducted at predetermined intervals and a record log is automatically kept of the tests done. Le procédé et l'appareil décrits de surveillance de défaillances servent à surveiller une charge électrique dans une installation électrique à courant alternatif. Une borne d'entrée est connectée à la charge électrique pour recevoir des signaux d'entrée sur la tension ou le courant associés à la charge électrique. Un moniteur en communication avec la borne d'entrée surveille les signaux d'entrée. Un opérateur prédéfinit des réglages limites appropriés pour la charge en question. Un comparateur est sensible au moniteur et compare les signaux d'entrée surveillés avec les réglages limites et déclenche un événement si les signaux d'entrée surveillés dépassent un réglage limite, produisant un signal de sortie qui actionne un équipement auxiliaire qui commande l'alimentation en énergie de la charge. On conduit des tests à des intervalles prédéterminés et on tient automatiquement un journal d'exploitation des tests effectués.
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An input terminal is connected to the electrical load to receive current/voltage input signals associated with the electrical load. A monitor in communication with the input terminal, monitors the input signals. An operator pre-defines threshold settings suitable for the particular load. A comparator is responsive to the monitor and compares the monitored input signals with the threshold settings and triggers an event if the monitored input signal violates a threshold setting. An output signal is then produced which activates ancillary equipment controlling the supply of power to the load. Tests are conducted at predetermined intervals and a record log is automatically kept of the tests done. Le procédé et l'appareil décrits de surveillance de défaillances servent à surveiller une charge électrique dans une installation électrique à courant alternatif. Une borne d'entrée est connectée à la charge électrique pour recevoir des signaux d'entrée sur la tension ou le courant associés à la charge électrique. Un moniteur en communication avec la borne d'entrée surveille les signaux d'entrée. Un opérateur prédéfinit des réglages limites appropriés pour la charge en question. Un comparateur est sensible au moniteur et compare les signaux d'entrée surveillés avec les réglages limites et déclenche un événement si les signaux d'entrée surveillés dépassent un réglage limite, produisant un signal de sortie qui actionne un équipement auxiliaire qui commande l'alimentation en énergie de la charge. On conduit des tests à des intervalles prédéterminés et on tient automatiquement un journal d'exploitation des tests effectués.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
EMERGENCY PROTECTIVE DEVICES
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
GENERATION
INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ONOTHER TECHNOLOGY AREAS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
RELAYS
SELECTORS
SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORKOPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FORIMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION,DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TESTING
title AN ELECTRICAL FAULT MONITORING AND CONTROL UNIT
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