VLT Installation
Rev.02
40
North America
Motion Controls
Confidential / Property of Danfoss Drives A/S
Review
1) One of the main warnings for the VLT is to wait
a maximum of 30 minutes before a person can
work on the VLT. Which of the following is the
best reason for this wait?
A. The IGBTs need time to cool off.
B. The motor coils need time to cool off.
C. The DC Link Capacitors need time to cool off.
D. The IGBTs need time to discharge
E. The DC Link Capacitors need time to
discharge.
Now it is time for a review of the information that was just covered. The next 10
questions are Multiple Choice. Select the BEST answer for each question.
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