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dip04051978

Member Since 09 Aug 2003
Offline Last Active Aug 30 2011 11:16 AM
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Posts I've Made

In Topic: Capacitor Bank On Vfd Output / Soft Starter Output

22 December 2008 - 05:44 AM

Thanks for rpely Jreaf.
We know it is not recommanded to connect capacitor on the output side of the Drive / Softstarter.
But can you please explain in detail how it will fail.

In Topic: Drive Tuning With Wrong Rpm

23 July 2008 - 05:18 AM

QUOTE (marke @ Jul 22 2008, 08:48 AM) <{POST_SNAPBACK}>
Hello dip04051978

I assume that you are referring to the motor data that you program into the drive.
If you program the wrong value for the "rated full speed" of the motor, the mathematical model will not be correct and this will compromise the performance and behaviour of the motor

Best regards,
Mark



Yes. I am referring Motor name plate data only. Motor name plate is showing 920 rpm & i tunned drive with 960 rpm.
Is that possible that drive will stall due to this wrong data entered in the drive.
What exactly affected due to this ??

In Topic: Need Explaination On Altivar61 Freq Terminology

22 July 2008 - 07:28 AM

Pl.share the value of each above parameter & at what ref. i.e value of current input 4-20mA.

Pl.share the value of each above parameter & at what ref. i.e value of current input 4-20mA.

In Topic: Confused. Need Help Onaltivar61

22 July 2008 - 07:24 AM

Reference frequency is which you are giving command to drive.
Output frequency is the drive output frequency to the motor.
Measure frequency is the measured by Encoder if it is there.

Reference frequency is which you are giving command to drive.
Output frequency is the drive output frequency to the motor.
Measure frequency is the measured by Encoder if it is there.

And all this parameter, you will able to see under Monitoring menu. You can not change the value of the above parameter in monitoring mode.

In Topic: Altivar 58 Trips For Overbreaking

21 July 2008 - 09:58 AM


But with STOP Type : Freewheel stop, Dec. time will not come in picture as drive there will be no output from the VFD immediately after stop command.
Set motor control to V/F, Energy saving etc & try.


But with STOP Type : Freewheel stop, Dec. time will not come in picture as drive there will be no output from the VFD immediately after stop command.
Set motor control to V/F, Energy saving & try.