Method for evaluating the temperature of an electromagnetic contactor and contactor for implementation of said method

Method for evaluating the temperature of an electromagnetic 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
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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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
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title Method for evaluating the temperature of an electromagnetic contactor and contactor for implementation of said method
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