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3–36
Regenerative Brake Operation
Programming
C
u r T
r
i p F i l t e r
1 1
5
.
0
11
Parameter No.
Number
Display Units
Read/Write
Parameter Type
Factory Default
1/10
Min/Max Value
1 = 4096
Drive Units
R
e g e n
C u r r L i m i t
- 1
5
0 %
1 3
13
Parameter No.
%
Display Units
Read/Write
Parameter Type
-150%
Factory Default
-150/0
Min/Max Value
100 = 4096
Drive Units
I
O C S
W
T r i p
1
1 4
9
2 %
Parameter No.
Display Units
Read/Write
Parameter Type
192% I
Factory Default
100/200% I
Min/Max Value
100 = 4096
Drive Units
V
o l t
T
r p F l t r B W
9
1 5
.
8
Parameter No.
Display Units
Read/Write
Parameter Type
Factory Default
0.5/100
Min/Max Value
1.0 = 4096
Drive Units
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Instantaneous Overcurrent Trip Filter Constant
This parameter adjusts a software filter to prevent nuisance tripping due to severe, repeated
and prolonged line notches and voltage sags on the utility system. The default factory setting of
should be adequate for the majority of line and load conditions.
5
Example:
For a setting of
•
5
•
•
•
Regen Current Limit
Sets the actual negative or regenerating AC line current limit in percent of P-2 [Rated AC Line
Current].
Important: The 1336 REGEN Converter cannot be enabled for the [Regen Curr Limit] to be
changed.
Instantaneous Overcurrent Trip Level
This parameter sets the software trip point for the Instantaneous SW Overcurrent Fault in
percent of P-2 [Rated AC Line Current].
I
Amps = the rated nameplate current of the 1336 REGEN Converter [Rated AC Line
14
RATE
Current].
%
Important: The 1336 REGEN Converter cannot be enabled for the [IOC SW Trip] to be
RATE
changed.
RATE
Voltage Feedback Filter Bandwidth
This parameter sets the bandwidth of a first order filter used for AC line voltage feedback.
Increasing the bandwidth can help avoid nuisance trips due to short term AC line overvoltage
or undervoltage conditions.
15
Hz
Important: The 1336 REGEN Converter cannot be enabled for the [Volt Trp Fltr BW] to be
changed.
9.8
5:
The converter will fault if line current reaches the HW Overcurrent Trip Point
after approximately (5) consecutive sampling intervals.
If (3) consecutive hardware trip conditions occur, the converter will not fault.
If fault conditions disappear after (3) counts, the filter will discharge towards
zero at a rate (10) times less that the one it was initially charged up at.
If fault conditions reappear before the filter discharges to zero, it will start
counting up again from the internal value it reached during discharge towards
zero and quickly reach the HW Overcurrent Trip point.
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