Limiting reverse current IR
Spanish translation: limitación de corriente inversa IR
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| 19:12 Jan 19, 2008 |
| English to Spanish translations [PRO] Tech/Engineering - Energy / Power Generation / Energía fotovoltaica | |||||||
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|  Selected response from: Juan R. Migoya (X) Local time: 00:29 | ||||||
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| 5 +1 | corriente inversa limitante Ir |
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| 4 +1 | limitación de corriente inversa IR |
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| 5 -1 | corriente reversa limitante IR |
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Answers
7 mins confidence: 
peer agreement (net): -1
peer agreement (net): -1| limiting reverse current ir corriente reversa limitante IR Explanation: IR es la abreviatura de corriente reversa y se mantiene como nomenclatura estándar |
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2 hrs confidence: 
peer agreement (net): +1
peer agreement (net): +1| limiting reverse current ir limitación de corriente inversa IR Explanation: IR (con R como subíndice) es el símbolo de esta magnitud en las hojas de características. "Because of the cell configuration of thin film modules, extreme voltage and power levels are required to induce reverse currents in the modules, resulting in module temperatures well beyond normal operating ranges or the temperatures intended for the test. Because of this, the IR rating for the module is lower than the fuse requirement for safe operation of the module." |
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2 hrs confidence: peer agreement (net): +1
peer agreement (net): +1| limiting reverse current ir corriente inversa limitante Ir Explanation: Es un circuito electrónico relativamente reciente utilizado en la operación de celdas fotovoltáicas. Puede ser utilizada para otros fines. If= forward current (A). Ir= reverse current (A). Ver el artículo completo en, http://www.beigebag.com/case_ilimiter.htm The B1 device incorporates the equation: v =v(n1,4)> {If}*{Rs}? v(n1,n2) - {If}*{Rs} : v(n1,4)> 0 ? 0 : v(n1,n2) What this equation does is to determine if the current is greater than If in the test. If so, a voltage, which is just enough to oppose any further current increase above, this amount is created for positive voltages and currents. Whereas, if the voltage is positive, and the current is less than If , no opposing voltage is created. But if the voltage is not positive, an opposing voltage is created that will make the device current zero. The B2 device incorporates the simpler equation: v =v(n1,4)> {Ir}*{Rs}? v(n1,n2) - {Ir}*{Rs} : 0 If the voltage is such that the current is greater than Ir, an opposing voltage enough to oppose any further current increase above this amount is created. But in this case, if the current is less than the Ir value, no opposing voltage is created. Now the B1 and B2 generator outputs are divided by two with a resistive divider. The output voltage across R3 (R5) is used by the E1 (E2) generator with a gain of two, to create the opposing voltage. |
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