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Installation
Visual inspection:
- Power cables
- Earthing
- CT wiring and 1 or 5A HW check with AF-Card set-up
- Control wire
- Mounting
- Cooling
- Dust
- Temperature
- Glant plate check
CT installed at di erent
voltage (MV) then lter
300-22
No
CT placement
Location: 300-26
Yes
Load side
Manual CT set-up:
- Polarity: 300-25
- Sequency: 33-24
- Primary rate: 300-20
Program lter mode:
- Priority 300-01
- Cos setpoint 300-35
- Harmonic mode 300-00
Fault!
- In Selective 300-30
Check
installation
Turn on lter
"Auto mode"
Running at around 10-30A
No
Document
Performance
VLT-Aktivfilter AAF 00x
Fluke 435
OK
available
No
Power-on lter
program I/Os
Check all CTs have
OK
same primary rate
Auto CT
Failed
300-29
Succesful
Stop lter and remove
Yes
the three CT-shorts at
CT terminals
Make grid analyses:
- Record THDv and THDi improvements
- RMS
- True PF and displacement PF
Check CT
settings again
®
MG.90.V2.03 - VLT
ist eine eingetragene Marke von Danfoss.
Document
Environment
Make grid analyses:
- Connect voltage and current probes at
Yes
transformer
- Record THDv and THDi at normal operation and
full load
PCC side
Yes
Document
Settings
Turn on lter
"Auto mode"
Fluke 435
Yes
available
Check that THDi read out
No
value is reduced to 5-9%
when lter is turned on
Document
THDv
Sum transformers
used
Remove CT shorts
at the CT terminal
block
No
45
4
4
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