Motor Drive Protection Circuits
Authored by Andrew Harrison
Engineering
Professional Development
Used 1+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of relay can provide thermal protection for a motor?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does an on-delay relay do when it is energised?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which component is used for soft-starting a motor?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the thermal protection relay connect to in the motor?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the function of a star contactor in a motor control system?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to the switches of an off-delay relay when it is de-energised?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the control circuit, what arrangement prevents both forward and reverse contactors from being energised at the same time?
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