Method for evaluating the temperature of an electro-magnetic contactor and contactor for implementation of said method

The method involves sending a closing order by applying voltage to terminals (L1, L2) of an actuating coil (3) for enabling electric current (I) flowing in the coil to be modified up to a reference value. A drop-out order is sent by fixing a drop-out voltage at the terminals of the actuating coil. T...

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Hauptverfasser: Delbaere Stéphane, Orban Rémy
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creator Delbaere Stéphane
Orban Rémy
description The method involves sending a closing order by applying voltage to terminals (L1, L2) of an actuating coil (3) for enabling electric current (I) flowing in the coil to be modified up to a reference value. A drop-out order is sent by fixing a drop-out voltage at the terminals of the actuating coil. The electric current flowing in the coil is measured, and acquisition of specific values on a signal of the electric current is performed. The specific values are analyzed for evaluating operating temperature of the coil. An independent claim is also included for a contactor.
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subjects BASIC ELECTRIC ELEMENTS
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
MEASURING
MEASURING QUANTITY OF HEAT
MEASURING TEMPERATURE
PHYSICS
RELAYS
SELECTORS
TESTING
THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
title Method for evaluating the temperature of an electro-magnetic contactor and contactor for implementation of said method
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