1
Which type of output filter does Grundfos recommend?
2
When does undervoltage typically happen?
3
Which of these three parameters isn’t essential in terms of gaining an optimal motor protection?
4
What is the main advantage of using a variable frequency drive in submersible pumps?
5
At which stage does Grundfos recommend installing an output filter?
6
Where can you find the required cooling level?
Test results
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01.
Q: Which type of output filter does Grundfos recommend?
A: Line choke filter
01.
Q: Which type of output filter does Grundfos recommend?
A: Sine wave filter
01.
Q: Which type of output filter does Grundfos recommend?
A: dV/dt filter
02.
Q: When does undervoltage typically happen?
A: When the drop cables are too small
02.
Q: When does undervoltage typically happen?
A: When the drop cables are too large
02.
Q: When does undervoltage typically happen?
A: When there is too much heat in the motor
03.
Q: Which of these three parameters isn’t essential in terms of gaining an optimal motor protection?
A: Motor current
03.
Q: Which of these three parameters isn’t essential in terms of gaining an optimal motor protection?
A: Motor temperature
03.
Q: Which of these three parameters isn’t essential in terms of gaining an optimal motor protection?
A: Motor power
04.
Q: What is the main advantage of using a variable frequency drive in submersible pumps?
A: It allows you to regulate your installation
04.
Q: What is the main advantage of using a variable frequency drive in submersible pumps?
A: It is much quieter
04.
Q: What is the main advantage of using a variable frequency drive in submersible pumps?
A: It is easy to install
05.
Q: At which stage does Grundfos recommend installing an output filter?
A: If the net supply is over 340 V
05.
Q: At which stage does Grundfos recommend installing an output filter?
A: If the net supply is over 360 V
05.
Q: At which stage does Grundfos recommend installing an output filter?
A: If the net supply is over 380 V
06.
Q: Where can you find the required cooling level?
A: In Grundfos Product Center
06.
Q: Where can you find the required cooling level?
A: On the motor nameplate
06.
Q: Where can you find the required cooling level?
A: In the pump’s data booklet