Appendix B Accessories
B.4.3 Applications
Connected in input circuit
Application 1 | Question |
|
|
When more than one AC motor drive is | When applying power to one of the AC motor |
connected to the same mains power, and one | drive, the charge current of the capacitors |
of them is ON during operation. | may cause voltage dip. The AC motor drive |
| may be damaged when over current occurs |
| during operation. |
Correct wiring
M1 reactor
M2
AC motor drive
AC motor drive
motor
motor
Mn
AC motor drive
motor
Application 2 | Question |
Silicon rectifier and AC motor drive are | Switching spikes will be generated when the |
connected to the same power. | silicon rectifier switches on/off. These spikes |
| may damage the mains circuit. |
Correct wiring |
|
| Silicon Controlled Rectifier |
power | reactor |
| |
| DC |
| AC motor drive |
| reactor |
| motor |
Revision July 2008, EG03, SW V1.06 |
