a burden resistor load
French translation: charge du fardeau
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| 09:50 Feb 21, 2023 |
| English to French translations [PRO] Tech/Engineering - Electronics / Elect Eng / (in a patent) SYSTEMS AND METHODS FOR DYNAMICALLY SWITCHING A LOAD OF A CURRENT TRANSFORMER CIRCUIT | |||||
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|  Selected response from: Jennifer Levey Chile Local time: 08:31 | ||||
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| 4 +1 | charge du fardeau |
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| 4 -1 | Charge de la résistance / Charge de la résistance de charge |
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| 4 -1 | (une) resistance de charge du fardeau |
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| Discussion entries: 1 | |
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Answers
1 hr confidence: 
peer agreement (net): -1
peer agreement (net): -1Charge de la résistance / Charge de la résistance de charge Explanation: Bonjour Bout2Chou, Dans l'extrait, plusieurs fois est employée l'expression "Burden resistor", tant tôt seul, soit avec "Load". Seul, le terme signifie: Résistance de charge. Mais le fait qu'on lui attribue "load" veut signifier la possibilité de variation de la charge qui traversera cette résistance. https://forum.arduino.cc/t/ne5534-opamp-amplifier/439573/10 Considérez cette partie de la référence: Does your CT have a built-in burden resistor? What value is it? You'll need to not load down that burden resistor load significantly or you'll change the output level. Use a non-inverting opamp circuit to avoid loading the source perhaps? Donc on peut conclure qu'étant donné que la résistance est déjà en elle même une charge, le terme approprié devrait être au vue de l'emploi des 3 mots à la fois "burden load resistance": Charge de la résistance ou charge de la résistance de charge |
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9 days confidence: peer agreement (net): -1
peer agreement (net): -1(une) resistance de charge du fardeau Explanation: In current transformers a load resistor (burden resistor load) can be connected across the secondary winding (aka burden) to provide kind of a dummy load for certain situations. It's this resistor ("resistance" in French the term can indicate both the component and the electrical quantity) https://www.electrical4u.net/calculator/what-is-ct-burden-re... |
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2 hrs confidence: peer agreement (net): +1
peer agreement (net): +1| burden resistor load charge du fardeau Explanation: The secondary load of a current transformer is called the "burden" to distinguish it from the primary load. It is a low-value resistance across which a voltage is generated, which is proportional to the current in the transformer primary, and which can easily be monitored using a simple voltmeter calibrated in transformer primary circuit ampères. The preferred French term for this 'burden' is fardeau (or fardeau sécondaire) - which avoids confusion with charge which is used for many other concepts in this context (and in Asker's text would create nonsense such as charge de la résistance de charge ). https://en.wikipedia.org/wiki/Current_transformer https://fr.wikipedia.org/wiki/Transformateur_de_courant -------------------------------------------------- Note added at 9 days (2023-03-02 16:40:51 GMT) -------------------------------------------------- @FPC: "The secondary of a current transformer should not be disconnected from its burden while current is in the primary, as the secondary will attempt to continue driving current into an effective infinite impedance potentially generating high voltages and thus compromising operator safety. For certain current transformers, this voltage may reach several kilovolts and may cause arcing. Exceeding the secondary voltage may also degrade the accuracy of the transformer or destroy it. Output voltage in open operation is limited by core saturation since the primary flux is no longer canceled by secondary flux, smaller current transformers may not actually incur dangerous voltages when operating nominally. Faster current transients from loads being switched on etc. can however still induce dangerous voltage levels due to high current slope." Quoted from the first web ref above - and confirmed by personal experience in the operation of HV installations many decades ago. |
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