At which stage does Grundfos recommend installing an output filter?
Where can you find the required cooling level?
What is the main advantage of using a variable frequency drive in submersible pumps?
What is a general rule of thumb when it comes to a motor cable?
Which type of output filter does Grundfos recommend?
When does undervoltage typically happen?
Test results
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Q: At which stage does Grundfos recommend installing an output filter?
A: If the net supply is over 340 V
Q: At which stage does Grundfos recommend installing an output filter?
A: If the net supply is over 360 V
Q: At which stage does Grundfos recommend installing an output filter?
A: If the net supply is over 380 V
Q: Where can you find the required cooling level?
A: In Grundfos Product Center
Q: Where can you find the required cooling level?
A: On the motor nameplate
Q: Where can you find the required cooling level?
A: In the pump’s data booklet
Q: What is the main advantage of using a variable frequency drive in submersible pumps?
A: It allows you to regulate your installation
Q: What is the main advantage of using a variable frequency drive in submersible pumps?
A: It is much quieter
Q: What is the main advantage of using a variable frequency drive in submersible pumps?
A: It is easy to install
Q: What is a general rule of thumb when it comes to a motor cable?
A: It must always be submerged in liquid
Q: What is a general rule of thumb when it comes to a motor cable?
A: It must always be used in the air
Q: What is a general rule of thumb when it comes to a motor cable?
A: It must be larger than the drop cable
Q: Which type of output filter does Grundfos recommend?
A: Line choke filter
Q: Which type of output filter does Grundfos recommend?
A: Sine wave filter
Q: Which type of output filter does Grundfos recommend?
A: dV/dt filter
Q: When does undervoltage typically happen?
A: When the drop cables are too small
Q: When does undervoltage typically happen?
A: When the drop cables are too large
Q: When does undervoltage typically happen?
A: When there is too much heat in the motor