Danfoss VLT AAF006 Operating Instructions Manual page 62

Applications and Basic Prog...
300-30 Compensation Points
Range: Function:
defines the permitted residual level into the
supply of the following harmonics.
300-35 Cosphi Reference
Range: Function:
0.500 [0.500 - 1.000 ] Enter the reference for cosphi.
*
300-40 Master Follower Selection
Option: Function:
[0] Master If operating active filters in parallel, select
whether this filter is a master or a follower
active filter.
[1] Follower
[2] Not Paralleled
*
NOTICE
Ensure that only 1 master is set in each group of parallel
connected filters. Verify that no other unit is set to
master.
After changing this parameter, additional parameters are
accessible. For the master units, 300-42 Number of Follower
AFs has to be programmed for the number of followers
connected.
300-41 Follower ID
Range: Function:
1 [1 - 3 ] Enter the unique ID of this follower. Verify that no
*
other follower uses the same ID.
NOTICE
Parameter 300-41 Follower ID is not accessible unless
parameter 300-40 Master Follower Selection is set to
follower.
NOTICE
Each follower should have its own follower ID. Verify
that no 2 followers have the same follower ID.
300-42 Num. of Follower AFs
Range: Function:
1 [1 - 3 ] Enter the total number of follower active filters.
*
The master active filter only controls this number
of followers.
NOTICE
Parameter 300-42 Num. of Follower AFs is not accessible
unless parameter 300-40 Master Follower Selection is set
to master.
Program each follower unit at parameter 300-41 Follower ID
with a unique ID.
MG90V302
Operating Instructions
300-50 Enable Sleep Mode
Option:
[0] Disabled Default filter does not use the sleep mode
[1] Enabled The filter enters sleep mode at light loads or if
300-51 Sleep Mode Trig Source
Option:
[0] Mains
*
current
[1] Digital
Input
300-52 Sleep Mode Wake Up Trigger
Range:
Application
dependent
300-53 Sleep Mode Sleep Trigger
Range:
80
% 90 %]
*
Danfoss A/S © 09/2014 All rights reserved.
Function:
This parameter saves energy at light system load
where harmonic distortion is insignificant and
mitigation not needed. The filter automatically
deactivates when not needed and reactivates when
mitigation is called for. The filter still measures
harmonics during sleep, but is not injecting
currents. The filter is hard coded to have a
minimum sleep time of 5 s to avoid contact
bounce.
function.
triggered from external.
Function:
The filter is active/inactive according to line
current. Trigger values are set in
parameter 300-52 Sleep Mode Wake Up Trigger
and parameter 300-53 Sleep Mode Sleep Trigger
Filter sleep is triggered via an external signal
provided to filter terminal 18.
Function:
[Application Only available when [0] Mains
dependant] Current is selected in
*
parameter 300-51 Sleep Mode Trig
Source. The parameter sets the %
current value of
parameter 300-20 CT Primary Rating
at which the filter awakes. 5 equals
5% of parameter 300-20 CT Primary
Rating. If CTs are 1500 and this
parameter is 5, this equals 5% of
1500 A=75 A wake-up current.
Function:
[0 - This value enters the % sleep-mode trigger value
of parameter 300-52 Sleep Mode Wake Up Trigger.
If the filter leaves sleep mode at 75 A and this
parameter is set to 80, it enters sleep mode at
8% of 75 A=60 A. The filter is programmed to
have minimum 5 s sleep time
6 6
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