XMV660 MEDIUM VOLTAGE SPEED DRIVE
POWER ELECTRONICS
10
VISUAL INSPECTION AND REQUIREMENTS
TASK
STATUS
The ambient conditions and cleanliness is correct.
Verify the correct connections of the secondary winding with the power cells
Verify that the power cells are correctly installed and fixed
Verify the correct operation of the power cell fuses measuring its terminals
impedance
Verify that the impedance between the input phases L1, L2, L3 and ground is
greater t
han 100kΩ.
Verify that the impedance between the output phases U, V, W and ground is
greater than 100kΩ.
The fans are correctly installed and rotates smoothly without noise.
Check that the output power sequence U, V, W and impedance is correct .