Delta Electronics VFD-EL Power Supply User Manual


 
Appendix B Accessories|
B-10 Revision August 2008, 2ELE, V1.02
460V, 50/60Hz, 3-Phase
Inductance (mH)
kW HP
Fundamental
Amps
Max.
continuous
Amps
3% impedance 5% impedance
0.4 1/2 2 3 20 32
0.75
1
4 6 9 12
1.5
2
4 6 6.5 9
2.2
3
8 12 5 7.5
3.7
5
12 18 2.5 4.2
B.4.3 Applications
Connected in input circuit
Application 1
Question
When more than one AC motor drive is
connected to the same mains power, and one
of them is ON during operation.
When applying power to one of the AC motor
drive, the charge current of the capacitors
may cause voltage dip. The AC motor drive
may be damaged when over current occurs
during operation.
Correct wiring
M1
M2
Mn
reactor
AC motor drive
AC motor drive
AC motor drive
motor
motor
motor