Question 1 of 6
Intermediate

Is the SQE pump able to provide constant pressure?

Question 2 of 6
Intermediate

How many times higher than nominal speed does the motor current reach during the first milliseconds?

Question 3 of 6
Intermediate

Why is it important to protect the pump from over- and under voltage?

Question 4 of 6
Intermediate

By how much does the supply voltage decrease before the motor contactor stops the pump?

Question 5 of 6
Intermediate

Why must the pump unit be installed below the dynamic water table?

Question 6 of 6
Intermediate

What is the most commonly used starting method for motors in 4” conventional pumps?

Question 6 of 6
Intermediate

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1: Is the SQE pump able to provide constant pressure?
No.
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1: Is the SQE pump able to provide constant pressure?
Yes.
2: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Four times higher
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2: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Six times higher
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2: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Seven times higher
3: Why is it important to protect the pump from over- and under voltage?
Because large variations in power supply will damage the motor over time.
3: Why is it important to protect the pump from over- and under voltage?
To avoid burning the house fuses.
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3: Why is it important to protect the pump from over- and under voltage?
To minimise the power consumption.
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4: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 10 %
4: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 15 %
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4: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 20 %
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5: Why must the pump unit be installed below the dynamic water table?
So you are sure to minimise your power bill.
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5: Why must the pump unit be installed below the dynamic water table?
To avoid the risk of dry-running during operation.
5: Why must the pump unit be installed below the dynamic water table?
To maintain a stable pressure in the system.
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6: What is the most commonly used starting method for motors in 4” conventional pumps?
Direct on line
6: What is the most commonly used starting method for motors in 4” conventional pumps?
Star delta starters
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6: What is the most commonly used starting method for motors in 4” conventional pumps?
Auto transformer
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