Inversores Lorain Alta Capacidad (50)

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  • 1/50 Questions

    La función de los inversores es la de convertir una fuente de ______ nominales, en una fuente de 120 VCA a 60 Hz una fase

    • 220 vca
    • -48 vcd
    • 440 vca
    • 60 vcd
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Inversores Lorain Alta Capacidad (50) - Quiz
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Telmex 2018

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  • 2. 

    El circuito encargado de determintar cual es el inversor que recibira respaldo, por parte del inversor de reserva es:

    • Circuito de transferencia

    • Circuito de alarmas

    • Circuito de prioridad

    • Circuito de control de frecuencia

    Correct Answer
    A. Circuito de prioridad
    Explanation
    The correct answer is "Circuito de prioridad". This circuit is responsible for determining which inverter will receive backup from the reserve inverter. It prioritizes the order in which the inverters are supported, ensuring that the most important or critical equipment is given priority in case of a power failure.

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  • 3. 

    El indicador dentro de la tarjeta de señalizacion  PLM-51081, el cual representa una señal de respaldo en cualquiera de los inversores tiene un color

    • Verde

    • Rojo

    • Ambar

    • Ninguno de los anteriores

    Correct Answer
    A. Ambar
    Explanation
    The correct answer is "Ambar" because the question is asking about the color of the indicator inside the signaling card PLM-51081, which represents a backup signal in any of the inverters. "Ambar" is the correct spelling of the color "Amber" in Spanish, which is a yellowish-orange color commonly used for warning or caution signals.

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  • 4. 

    El sistema de inversores (uno principal y uno de reserva) de .5 KVA de potencia se indica como

    • 2*WAA602B

    • 2*WAA103B

    • 2*WAA203B

    • 2*WAA502B

    Correct Answer
    A. 2*WAA502B
  • 5. 

    La capacidad del inversor individual WA103B es de:

    • 10 KVA

    • 100 KVA

    • 5 KVA

    • 103 KVA

    Correct Answer
    A. 10 KVA
    Explanation
    The correct answer is 10 KVA. This means that the individual WA103B inverter has a capacity of 10 kilovolt-amperes. KVA is a unit used to measure the apparent power in an electrical system. In this case, the inverter is capable of handling a maximum load of 10 KVA, indicating its power capacity.

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  • 6. 

    El rango de voltaje de entrada del sistema de inversores 2*WAA502B se encuentra entre

    • 39 a 53 VCD, Tierra negativa

    • 42 a 56 VCD, Tierra positiva

    • 40 a 54 VCD, Tierra negativa

    • 41 a 55 VCD, Tierra positiva

    Correct Answer
    A. 42 a 56 VCD, Tierra positiva
    Explanation
    The correct answer is 42 to 56 VDC, positive ground. This means that the input voltage range for the 2*WAA502B inverter system is between 42 and 56 volts DC, with a positive ground. This information is important for ensuring that the system is supplied with the correct voltage and ground configuration for proper operation.

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  • 7. 

    La capacidad del inversor individual WAA502B es de

    • 502 KVA

    • 10 KVA

    • .5 KVA

    • 100 KVA

    Correct Answer
    A. .5 KVA
    Explanation
    The correct answer is .5 KVA. This suggests that the individual WAA502B inverter has a capacity of 0.5 KVA.

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  • 8. 

    El Sistema de inversores de prioridad (ocho principales y uno de reserva) de 10 KVA de potencia se indica como 

    • 9*WAA602B

    • 9*WAA103B

    • 9*WAA203B

    • 9*WAA502B

    Correct Answer
    A. 9*WAA103B
    Explanation
    The given answer, 9*WAA103B, is the correct answer because it matches the pattern of the other options provided. All the options start with "9*WAA" followed by a three-digit number. Therefore, the correct option should also follow this pattern, which is 9*WAA103B.

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  • 9. 

    En caso de que el inversor este alambrado para la ____, este normalmente alimenta a la carga y a la linea comercial de C.A. sirve como una fuente de respaldo:

    • Opcion R

    • Opcion S

    • Opcion T

    • Opcion V

    Correct Answer
    A. Opcion T
    Explanation
    If the inverter is wired for "backfeeding," it means that it is connected in such a way that it can supply power to both the load and the commercial AC line. This configuration allows the inverter to act as a backup power source, providing electricity to the load while also feeding excess power back into the commercial AC line. Therefore, option T is the correct answer.

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  • 10. 

    Es un accesorio designado como opcion Z, y proporciona una salida de 208, 220 o 240 VCA.

    • Autotransformador de salida

    • Transformador de potencia

    • Circuito de sincronia de frecuencia

    • Accesorio de corte de alarma audible

    Correct Answer
    A. Autotransformador de salida
    Explanation
    The correct answer is "Autotransformador de salida." This is because the given statement mentions that the accessory is designated as option Z and provides an output of 208, 220, or 240 VAC. An autotransformer is a type of transformer that has a single winding and can step up or step down the voltage levels. In this case, it is used to provide the specified output voltage range.

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  • 11. 

    Las dos tensiones de salida del sistema de inversores 2*WAA502 son de

    • 127 Y 480 VCA

    • 220 Y 440 VCA

    • 120 Y 220 VCA

    • 220 Y 480 VCA

    Correct Answer
    A. 120 Y 220 VCA
    Explanation
    The correct answer is 120 Y 220 VCA. This means that the output voltages of the 2*WAA502 inverter system are 120 V and 220 V in alternating current (VCA).

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  • 12. 

    La etapa compuesta por transistores que se encarga de Amplificar las señales lógicas en el circuito de prioridad es denominada

    • Prioridad de respaldo

    • Control de sincronia de frecuencia

    • Etapa de Potencia

    • Control de transferencia

    Correct Answer
    A. Etapa de Potencia
    Explanation
    The correct answer is "Etapa de Potencia". This stage is responsible for amplifying the logical signals in the priority circuit. It is the stage where the power amplification takes place, allowing the signals to be boosted and transmitted effectively.

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  • 13. 

    El rango de entrada del inversor, en el cual se da el corte por entrada baja, tiene un valor entre

    • 39 a 41 VCD

    • 43 a 46 VCD

    • 42 a 43 VCD

    • 36 a 38 VCD

    Correct Answer
    A. 39 a 41 VCD
    Explanation
    The correct answer is 39 to 41 VCD. This is the range of input voltage at which the inverter will cut off due to low input voltage.

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  • 14. 

    En el rango de voltaje de salida del sistema de inversores 2*WAA502B se encuentra entre

    • 130 Y 142 VCA

    • 127 Y 142 VCA

    • 100 Y 109 VCA

    • 110 y 126 VCA

    Correct Answer
    A. 110 y 126 VCA
    Explanation
    The correct answer is 110 y 126 VCA. This is because the question is asking for the range of output voltage of the inverters 2*WAA502B. The given answer range falls within the specified voltage range of 110 to 126 VCA.

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  • 15. 

    Este circuito determinara la frecuencia de salida del inversor de CA

    • Circuito de fuente de alimentacion

    • Circuito de secuencia de arranque

    • Circuito de precarga/arranque

    • Circuito de disparo de tiristores

    Correct Answer
    A. Circuito de disparo de tiristores
    Explanation
    This circuit determines the output frequency of the AC inverter. The circuit is responsible for triggering the thyristors, which are semiconductor devices used for controlling the flow of electric current. By controlling the triggering of the thyristors, the circuit can regulate the frequency of the output waveform produced by the AC inverter.

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  • 16. 

    Se encarga de determinar la frecuencia de salida del inversor de CA dentro de la tarjeta de disparo de tiristores (A1)

    • Circuito de fuente de alimentación

    • Circuito de secuencia de arranque

    • Circuito inhibidor del inversor

    • Circuito de disparo de tiristores

    Correct Answer
    A. Circuito de disparo de tiristores
    Explanation
    The correct answer is "Circuito de disparo de tiristores." This circuit is responsible for determining the output frequency of the AC inverter within the thyristor firing card (A1). It controls the timing and triggering of the thyristors, which are semiconductor devices used to control the flow of electric current. By controlling the firing of the thyristors, the circuit can regulate the frequency of the AC output from the inverter.

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  • 17. 

    La frecuencia de salida del inversor, ajustada con el potenciometro ___ en la tarjeta de disparo de tiristores A1

    • R8

    • R9

    • R11

    • R13

    Correct Answer
    A. R8
    Explanation
    The correct answer is R8. The question is asking about the potentiometer on the trigger card of the thyristor inverter that adjusts the output frequency. Among the options provided, R8 is the correct choice.

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  • 18. 

    Este interruptor momentaneo permite la carga de los capacitores del filtro de entrada

    • Selector de transferencia

    • Precarga / arranque

    • De entrada de CD

    • Corte de alarma

    Correct Answer
    A. Precarga / arranque
    Explanation
    This momentary switch allows for the charging of the input filter capacitors. It is used for preloading or starting the system.

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  • 19. 

    Para que el voltaje de salida del autotransformador este en 220v, el ajuste de voltaje de transferencia debe de tener un valor de:

    • 198 V

    • 187 V

    • 216 V

    • 200 V

    Correct Answer
    A. 198 V
    Explanation
    In order for the output voltage of the autotransformer to be 220V, the voltage transfer setting must be adjusted to a value of 198V.

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  • 20. 

    Su funcion es la de generar pulsos de peine dentro del circuito de disparo de tiristores:

    • A1(?)

    • A8G1

    • A5G3

    • A9G3

    Correct Answer
    A. A1(?)
  • 21. 

    En el caso de que el voltaje de salida del inversor caiga por debajo de _____, la carga automaticamente sera transferida a la linea de C.A.

    • -48 VCD

    • 110 VCA

    • -50 VCD

    • 108 VCA

    Correct Answer
    A. 108 VCA
    Explanation
    Cuando el voltaje de salida del inversor cae por debajo de 108 VCA, la carga se transferirá automáticamente a la línea de corriente alterna (C.A.). Este umbral de voltaje se establece como el punto en el que el inversor ya no puede proporcionar la energía necesaria para alimentar la carga, por lo que se activa un mecanismo de transferencia para utilizar la energía de la línea de C.A. y mantener la alimentación de la carga.

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  • 22. 

    En el panel frontal del inversor, el indicador de carga del capacitor es

    • DS2

    • S1

    • DS1

    • S2

    Correct Answer
    A. DS1
  • 23. 

    La capacidad en amperes del fusible que se utiliza en el bastidor de distribucion de corriente, para alimentar cada uno de los inversores tiene un valor de:

    • 200 A

    • 150 A

    • 300 A

    • 100 A

    Correct Answer
    A. 200 A
    Explanation
    The correct answer is 200 A. This means that the fuse capacity used in the current distribution frame to power each of the inverters is 200 amperes.

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  • 24. 

    La función del fusible F4 dentro del circuito inversor de onda cuadrada es la de proporcionar proteccion instantanea contra ______

    • Sobretension

    • Baja corriente

    • Sobrecarga

    • Bajo voltaje

    Correct Answer
    A. Sobrecarga
    Explanation
    The function of the fuse F4 within the square wave inverter circuit is to provide instant protection against overload. When the current flowing through the circuit exceeds the rated capacity of the components, the fuse will blow and interrupt the flow of current, preventing any damage to the circuit. This helps to ensure the safety and proper functioning of the inverter system.

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  • 25. 

    Dentro del circuito de disparo de tiristores, la frecuencia de los pulsos de 2B-5/5, esta determinada por los elementos:

    • C9, 10 Y C13

    • R1, R2, Y C5

    • C4, CR9 Y R10

    • R20, CR18 Y R12

    Correct Answer
    A. R1, R2, Y C5
    Explanation
    The correct answer is R1, R2, and C5. These elements determine the frequency of the pulses in the thyristor triggering circuit. R1 and R2 are resistors that control the charging and discharging time of the capacitor C5, which in turn determines the frequency of the pulses. By adjusting the values of R1, R2, and C5, the frequency of the pulses can be controlled.

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  • 26. 

    Este indicador de alarma se enciende en caso de que el interruptor de entrada de CD sea operado en APAGADO

    • Falla de salida

    • Falla de fusible

    • De transferencia

    • Falla de inversor

    Correct Answer
    A. Falla de inversor
    Explanation
    The correct answer is "Falla de inversor". This means that the alarm indicator will turn on if the CD input switch is operated in the OFF position due to an inverter failure.

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  • 27. 

    El voltaje de alimentación, del gabinete de control de los sistemas con prioridad 9*WAA103B, tienen un valor de:

    • 42 A 56 VCD

    • 48 A 56 VCD

    • 42 A 48 VCD

    • 40 A 50 VCD

    Correct Answer
    A. 42 A 56 VCD
    Explanation
    The correct answer is 42 A 56 VCD. This means that the voltage of the power supply for the control cabinet of the systems with priority 9*WAA103B is 56 VCD and the current is 42 A.

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  • 28. 

    Este interruptor enciende y apaga el inversor cuando se opera a las posiciones encendido y apagado

    • Selector de transferencia

    • Precalentador/arranque

    • De entrada CD

    • Corte de alarma

    Correct Answer
    A. De entrada CD
    Explanation
    The correct answer is "De entrada CD". This is because the sentence states that the switch turns on and off the inverter when operated in the "encendido" (on) and "apagado" (off) positions. "De entrada CD" translates to "DC input", suggesting that the switch controls the power input from a DC source to the inverter.

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  • 29. 

    Este circuito proporciona una trayectoria de carga para los capacitores de los filtros de C.D.

    • Circuito precarga/arranque

    • Circuito de alarma de falla de fusible

    • Circuito inversor de onda cuadrada

    • Circuito de disparo de tiristores

    Correct Answer
    A. Circuito precarga/arranque
    Explanation
    This circuit is designed to provide a charging path for the capacitors of the DC filters. It is used to pre-charge and start the circuit.

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  • 30. 

    La carga sera transferida al inversor de reserva cuando la tension de alimentacion caiga por debajo de:

    • 38 VCD

    • 41 VCD

    • 40 VCD

    • 39 VCD

    Correct Answer
    A. 41 VCD
    Explanation
    The correct answer is 41 VCD. This means that when the supply voltage falls below 41 VCD, the load will be transferred to the backup inverter.

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  • 31. 

    Cuando existe una falla en el inversor WAA103B (10 KVA), el fusible que abre debido a una corriente excesiva es:

    • F1

    • F2

    • F3

    • F4

    Correct Answer
    A. F4
    Explanation
    When there is a fault in the WAA103B (10 KVA) inverter, the fuse that opens due to excessive current is F4.

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  • 32. 

    Su funcion es la de encender y apagar el inversor cuando se opera a las posiciones encendido y apagado respectivamente

    • Interruptor de entrada de CD

    • Interruptor de limite

    • Interruptor de precarga/arranque

    • Interruptor de entrada de CA

    Correct Answer
    A. Interruptor de entrada de CD
    Explanation
    The correct answer is "Interruptor de entrada de CD". This is because the given statement mentions that its function is to turn the inverter on and off when operated in the on and off positions respectively. Since the inverter converts DC power to AC power, it makes sense that the switch responsible for controlling the input of DC power would be used to turn the inverter on and off.

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  • 33. 

    Se enciende en caso de que el interruptor de entrada de CD (S1) sea operado a la posicion de apagado (automatica o manualmente)

    • Indicador de alarma de falla de salida

    • Indicador de alarma de falla de fusible

    • Indicador de alarma de falla de inversor

    • Indicador de alarma de transferencia

    Correct Answer
    A. Indicador de alarma de falla de inversor
    Explanation
    The correct answer is "Indicador de alarma de falla de inversor" because it is the indicator that is activated when the CD input switch (S1) is operated in the off position, either automatically or manually. This indicates a failure in the inverter system.

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  • 34. 

    Es la frecuencia de la onda rectangular a la salida de la terminal 3 de A2 del circuito de disparo de tiristores

    • 240 Hz

    • 180 Hz

    • 120 Hz

    • 60Hz

    Correct Answer
    A. 240 Hz
    Explanation
    The correct answer is 240 Hz. This is the frequency of the rectangular wave at the output of terminal 3 of A2 in the thyristor firing circuit.

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  • 35. 

    Los elementos cuya funcion son la de proporcionar supresion de ruido EMI, en el circuito de salida del inversor:

    • L1 CR1 Y K7

    • L2 CR6 Y CR7

    • L4 C36 Y C37

    • L5 C29 Y C30

    Correct Answer
    A. L4 C36 Y C37
    Explanation
    L4, C36, and C37 are the elements that provide EMI noise suppression in the output circuit of the inverter.

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  • 36. 

    El fusible tipo Chase-Shawmut A50P500 cuya capacidad es de 500 amperes, esta designado dentro del inversor WAA103B como

    • F1

    • F4

    • F5

    • F3

    Correct Answer
    A. F4
    Explanation
    The correct answer is F4. The Chase-Shawmut A50P500 fuse, with a capacity of 500 amperes, is designated as F4 within the WAA103B inverter.

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  • 37. 

    Pertenece a una de las alarmas que utilizan tanto la tarjeta de señalizacion como el circuito de prioridad

    • Falla de fusible externa

    • Falla de alimentacion de CA

    • Falla de alimentacion de CD

    • Falla de salida del inversor

    Correct Answer
    A. Falla de salida del inversor
    Explanation
    This answer suggests that the failure lies in the output of the inverter. The inverter is responsible for converting DC power to AC power, so if there is a failure in the output of the inverter, it means that the AC power is not being properly supplied. This could result in the alarm not functioning correctly or not receiving the necessary power to operate.

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  • 38. 

    Se encarga de gobernar el funcionamiento del inversor de reserva, e incluye una tarjeta de señalización

    • Bastidor de Control y Distribución

    • Circuito de prioridad

    • Circuito de C.A.

    • Tarjeta de control y transferencia

    Correct Answer
    A. Bastidor de Control y Distribución
    Explanation
    The correct answer is "Bastidor de Control y Distribución" because it is responsible for governing the operation of the reserve inverter and includes a signaling card. This component is essential for controlling and distributing power in a system, ensuring that the reserve inverter functions properly and that power is transferred effectively.

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  • 39. 

    Una de las alarmas que maneja la tarjeta de señalizacion PLM-51081 y el circuito con prioridad 5*WAA502B es:

    • Falla de transferencia de inversor

    • Falla de fusible

    • Falla por bajo voltaje de entrada

    • Falla por alto voltaje de entrada

    Correct Answer
    A. Falla de transferencia de inversor
    Explanation
    La tarjeta de señalización PLM-51081 y el circuito con prioridad 5*WAA502B están diseñados para detectar y manejar diversas alarmas. En este caso, la respuesta correcta es "Falla de transferencia de inversor". Esto significa que si hay un problema con la transferencia de energía del inversor, la tarjeta de señalización y el circuito con prioridad estarán preparados para detectar y responder a esta falla. Esta alarma es importante ya que indica un problema en el sistema de inversor, lo que puede afectar la operación y el rendimiento general del equipo.

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  • 40. 

    Si ocurriera una perdida total del voltaje de C.A. hacia la carga, se activara:

    • Alarma bajo voltaje de entrada

    • Alarma falla de fusible

    • Alarma falla de salida

    • Alarma falla inversor

    Correct Answer
    A. Alarma falla de salida
    Explanation
    If there is a total loss of AC voltage to the load, the "Alarma falla de salida" (output failure alarm) will be activated. This alarm indicates that there is a failure in the output of the system, which could be caused by various factors such as a faulty inverter or a problem with the load itself. It serves as a warning for the user to investigate and address the issue to restore the power supply to the load.

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  • 41. 

    El fusible para la conexion de VCA de respaldo para el inversor de reserva, debe tener una capacidad de

    • 300 A

    • 250 A

    • 200 A

    • 125 A

    Correct Answer
    A. 125 A
    Explanation
    The correct answer is 125 A. This is because the fuse for the backup AC connection for the reserve inverter should have a capacity of 125 A.

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  • 42. 

    Los elementos que componen el filtro de entrada de CD y cuya funcion es de limitar la transmision de ruido hacia la bateria son

    • L4 C36 y C37

    • L4 CR6 y CR7

    • L4 CR5 y CR12

    • L1 C4 a C15

    Correct Answer
    A. L1 C4 a C15
    Explanation
    The correct answer is L1 C4 a C15. This is because L1 and C4 to C15 are the elements that make up the input filter of the CD and their function is to limit the transmission of noise to the battery.

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  • 43. 

    ES un indicador amarillo y se ilumina cuando la alarma audible ha sido cortada utilizando el interruptor de CORTE DE ALARMA

    • Indicador de encendido

    • Indicador CA

    • Indicador de alarma de transferencia

    • Indicador de alarma de falla de salida

    Correct Answer
    A. Indicador CA
    Explanation
    The correct answer is "Indicador CA." The given explanation states that the indicator is yellow and lights up when the audible alarm has been cut off using the ALARM CUT switch. This indicates that the indicator is related to the AC (alternating current) power supply. Therefore, the correct answer is "Indicador CA," which translates to "AC Indicator" in English.

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  • 44. 

    Las conexiones de VCD y VCA debe incluir un fusible de ______ para cada inversor

    • 200A

    • 400A

    • 150A

    • 100A

    Correct Answer
    A. 400A
    Explanation
    Las conexiones de VCD y VCA deben incluir un fusible de 400A para cada inversor. Esto se debe a que los fusibles se utilizan para proteger los inversores y evitar que se dañen debido a una corriente excesiva. Un fusible de 400A es capaz de soportar una mayor corriente que los fusibles de 200A, 150A o 100A, lo que lo hace más adecuado para proteger los inversores en este caso.

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  • 45. 

    En la tarjeta de disparo de tiristores A1 la frecuencia de salida de inversor es ajustada mediante el potenciometro ____

    • R4

    • R3

    • R8

    • R5

    Correct Answer
    A. R8
    Explanation
    The correct answer is R8. In the firing card of thyristors, the output frequency of the inverter is adjusted using the potentiometer R8.

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  • 46. 

    En la tarjeta de control de transferencia A3, El ajuste de transferencia, se realiza mediante el potenciometro

    • R1

    • R2

    • R8

    • R4

    Correct Answer
    A. R4
    Explanation
    The correct answer is R4. This is because the sentence states that the transfer adjustment on the A3 transfer control card is done using a potentiometer. Among the options given, only R4 is a potentiometer.

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  • 47. 

    Pertenece a la tarjeta de disparo de tiristores A1 del inveersor WAA103B

    • Circuito inversor de onda cuadrada

    • Inhibicion por bajo voltaje de entrada

    • Tarjeta por bajo voltaje de entrada

    • Circuito de control de sincronia y frecuencia

    Correct Answer
    A. Inhibicion por bajo voltaje de entrada
    Explanation
    The correct answer is "Inhibición por bajo voltaje de entrada." This means that the circuit has a feature that inhibits or prevents operation when the input voltage is too low. This can be important for protecting the circuit and ensuring proper functioning.

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  • 48. 

    El circuito de control y transferencia esta designado dentro del inversor WAA502B como 

    • A3 (4864-432-00)

    • A1 (4873-561-00)

    • A2 (4334-323-00)

    • A8 (4872-257-00)

    Correct Answer
    A. A3 (4864-432-00)
    Explanation
    The correct answer is A3 (4864-432-00). This is because the question is asking for the designation of the control and transfer circuit within the WAA502B inverter, and A3 (4864-432-00) is the given designation.

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  • 49. 

    En la tarjeta de disparo de tiristores A1 el ajuste del apagado por bajo voltaje de entrada, se hace mediante el potenciomentro

    • R2

    • R5

    • R8

    • R6

    Correct Answer
    A. R5
    Explanation
    The correct answer is R5. On the firing card of thyristors A1, the adjustment of the shutdown due to low input voltage is made using potentiometer R5.

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