Question 1 of 6
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Which type of output filter does Grundfos recommend?

Question 2 of 6
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The larger the cross-sectional area of the cable, the lower the energy losses. True or false?

Question 3 of 6
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What is the main advantage of using a variable frequency drive in submersible pumps?

Question 4 of 6
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When does undervoltage typically happen?

Question 5 of 6
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Which of these three parameters isn’t essential in terms of gaining an optimal motor protection?

Question 6 of 6
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At which stage does Grundfos recommend installing an output filter?

Question 6 of 6
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1: Which type of output filter does Grundfos recommend?
Line choke filter
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1: Which type of output filter does Grundfos recommend?
Sine wave filter
1: Which type of output filter does Grundfos recommend?
dV/dt filter
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2: The larger the cross-sectional area of the cable, the lower the energy losses. True or false?
True
2: The larger the cross-sectional area of the cable, the lower the energy losses. True or false?
False
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3: What is the main advantage of using a variable frequency drive in submersible pumps?
It allows you to regulate your installation
3: What is the main advantage of using a variable frequency drive in submersible pumps?
It is much quieter
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3: What is the main advantage of using a variable frequency drive in submersible pumps?
It is easy to install
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4: When does undervoltage typically happen?
When the drop cables are too small
4: When does undervoltage typically happen?
When the drop cables are too large
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4: When does undervoltage typically happen?
When there is too much heat in the motor
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5: Which of these three parameters isn’t essential in terms of gaining an optimal motor protection?
Motor current
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5: Which of these three parameters isn’t essential in terms of gaining an optimal motor protection?
Motor temperature
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5: Which of these three parameters isn’t essential in terms of gaining an optimal motor protection?
Motor power
6: At which stage does Grundfos recommend installing an output filter?
If the net supply is over 340 V
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6: At which stage does Grundfos recommend installing an output filter?
If the net supply is over 360 V
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6: At which stage does Grundfos recommend installing an output filter?
If the net supply is over 380 V