Chapter 5
Troubleshooting
|
5-2
Revision Nov. 2008, VLE1, SW V1.03
5.2 Ground Fault
GFF
Ground fault
No
Yes
If output circuit(cable or
motor) of AC motor drive
is grounded?
Remove grounding
Maybe AC motor drive has
malfunction or misoperation
due to noise. Please
contact DELTA.
5.3 Over Voltage (OV)
Over voltage
Yes
No
Yes
No
No
No
If voltage is within
specification
Reduce voltage to
be within spec.
If over-voltage is occurred without load
Maybe AC motor drive
has malfunction or
misoperation due to
noise. Please contact
with DELTA.
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
When OV occurs, check if the
voltage of DC BUS is greater
than protection value
If OV occurs when
sudden acceleration
stops
Increase
deceleration
time
Increase setting time
Increase
acceleration
time
Reduce moment
of inertia
Reduce moment of load inertia
Use braking unit or DC braking
Need to check control method. Please contact DELTA.
Need to considerate to
use braking unit and
DC braking
Содержание Elevator Drive VFD-VL
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Страница 20: ...Chapter 1 Introduction Revision Nov 2008 VLE1 SW V1 03 1 11 1 2 5 Cutout Dimensions 7 5 15HP 5 5 11kW frame C...
Страница 21: ...Chapter 1 Introduction 1 12 Revision Nov 2008 VLE1 SW V1 03 20 30HP 15 22kW frame D...
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Страница 197: ...Appendix A Specifications A 4 Revision Nov 2008 VLE1 SW V1 03 This page intentionally left blank...
Страница 205: ...Appendix B Accessories B 8 Revision Nov 2008 VLE1 SW V1 03 VFDB4132 VFDB4132 CHARGE ACT OC OH...
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Страница 237: ...Appendix B Accessories B 40 Revision Nov 2008 VLE1 SW V1 03 Order P N 50TDS4W4C Order P N 100TDS84C...
Страница 238: ...Appendix B Accessories Revision Nov 2008 VLE1 SW V1 03 B 41 Order P N 200TDDS84C...
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Страница 251: ...Appendix C How to Select the Right AC Motor Drive C 8 Revision Nov 2008 VLE1 SW V1 03 This page intentionally left blank...